1 |         * IDEC NEW ENGLAND REPRESENTATIVE:                 *          |
    2 |         *         HYLAND AUTOMATION CONTROLS, INC.         *          |
    3 |         *            111 SOUTH BEDFORD STREET              *          |
    4 |         *            BURLINGTON, MA 01803-5145             *          |
    5 |         *     TEL: 781.229.5600     FAX: 781.229.5640      *          |
    6 |         * http://www.HylandAutomation.com                  *          |
    7 |         * email: jerry@HylandAutomation.com                *          |
    8 |         * JERRY HYLAND - PRESIDENT                         *          |
    9 |         * FILE: ALTNDUPX                 SEPTEMBER 6, 1998 *          |
   10 |         *                                                  *          |
   11 |         * IDEC DOCUMENTATION SOFTWARE PACKAGE:             *          |
   12 |         * CLIP: Control Logic Input Program                *          |
   13 |         * CLIP VERSION: 6.0                                *          |
   14 |         *                                                  *          |
   15 |         * ================================================ *          |
   16 |         *        DUPLEX ALTERNATOR SAMPLE PROGRAM          *          |
   17 |         * ================================================ *          |
   18 |         * SEQUENCE OF OPERATION:  AUTOMATIC ALTERNATING    *          |
   19 |         * OF DUPLEX PUMP CONTROL SYSTEM FOR PUMPING OUT    *          |
   20 |         * A TANK WITH 4 FLOAT SWITCHES.                    *          |
   21 |         * ELAPSED HOUR METERS MONITOR PUMP RUNNING TIME    *          |
   22 |         * AND ALARM COUNTERS TOTALIZE THE NUMBER OF LOW    *          |
   23 |         * AND HIGH TANK ALARMS                             *          |
   24 |         * ================================================ *          |
   25 |         *                                                  *          |
   26 |         *                                                  *          |
   27 |         * INPUT                                      N.O./ *          |
   28 |         * NUMBER    DESCRIPTION                      N.C.  *          |
   29 |         * ======    ===========                      ===== *          |
   30 |         * 0         LOW TANK LEVEL ALARM FLOAT SW.   N.O.  *          |
   31 |         *           CLOSES WHEN THE WATER LEVEL RISES      *          |
   32 |         *           ABOVE ITS LOCATION - SECONDARY         *          |
   33 |         *           SIGNAL TO DEENERGIZE ALL PUMPS         *          |
   34 |         * 1         PUMP OFF FLOAT SW.               N.O.  *          |
   35 |         *           CLOSES WHEN THE WATER LEVEL RISES      *          |
   36 |         *           ABOVE ITS LOCATION - SIGNAL TO         *          |
   37 |         *           DEENERGIZE PUMP WHEN LEVEL DROPS       *          |
   38 |         *           BELOW ITS LOCATION                     *          |
   39 |         * 2         PUMP ON FLOAT SW.                N.O.  *          |
   40 |         *           CLOSES WHEN THE WATER LEVEL RISES      *          |
   41 |         *           ABOVE ITS LOCATION - SIGNAL TO         *          |
   42 |         *           START PUMP                             *          |
   43 |         * 3         HIGH TANK LEVEL ALARM FLOAT SW.  N.O.  *          |
   44 |         *           CLOSES WHEN THE WATER LEVEL RISES      *          |
   45 |         *           ABOVE ITS LOCATION - OVERRIDE          *          |
   46 |         *           SIGNAL TO RUN BOTH PUMPS               *          |
   47 |         * 4         PUMP #1 MANUAL OPERATION         N.O.  *          |
   48 |         *           HAND-OFF-AUTO SELECTOR SWITCH          *          |
   49 |         *           CONTACT: X  O  O                       *          |
   50 |         * 5         PUMP #1 AUTO OPERATION           N.O.  *          |
   51 |         *           HAND-OFF-AUTO SELECTOR SWITCH          *          |
   52 |         *           CONTACT: O  O  X                       *          |
   53 |         * 6         PUMP #2 MANUAL OPERATION         N.O.  *          |
   54 |         *           HAND-OFF-AUTO SELECTOR SWITCH          *          |
   55 |         *           CONTACT: X  O  O                       *          |
   56 |         * 7         PUMP #2 AUTO OPERATION           N.O.  *          |
   57 |         *           HAND-OFF-AUTO SELECTOR SWITCH          *          |
   58 |         *           CONTACT: O  O  X                       *          |
   59 |         *                                                  *          |
   60 |         * PHANTOM INPUTS - ACCESSED USING AN IDEC PROGRAM  *          |
   61 |         * LOADER, KEPware KEPSERVER DDE FROM A PC, OR      *          |
   62 |         * IDEC'S CLIP OR WINDLDR SOFTWARE ON A PC          *          |
   63 |         * PHANTOM                                          *          |
   64 |         * INPUT                                            *          |
   65 |         * NUMBER   DESCRIPTION                             *          |
   66 |         * ======   ===========                             *          |
   67 |         * 100      RESET ELAPSED HOUR METERS               *          |
   68 |         * 101      RESET ALARM COUNTERS                    *          |
   69 |         * 102      RESET PUMP ALTERNATOR                   *          |
   70 |         *                                                  *          |
   71 |         * OUTPUT                                           *          |
   72 |         * NUMBER    DESCRIPTION                            *          |
   73 |         * ======    ===========                            *          |
   74 |         * 200       PUMP #1 MOTOR STARTER                  *          |
   75 |         * 201       PUMP #2 MOTOR STARTER                  *          |
   76 |         * 202       LOW TANK ALARM PILOT LIGHT             *          |
   77 |         * 203       HIGH TANK ALARM PILOT LIGHT            *          |
   78 |         *                                                  *          |
   79 |         * PLC FUN SETTINGS                                 *          |
   80 |         * FUN                                              *          |
   81 |         * NUMBER   SETTING   DESCRIPTION                   *          |
   82 |         * ======   =======   ===========                   *          |
   83 |         * 7        20        RETAINS PRESENT VALUE OF      *          |
   84 |         *                    COUNTERS 0 TO 19 UPON LOSS OF *          |
   85 |         *                    POWER.  COUNTERS 20 TO 44 ARE *          |
   86 |         *                    RESET UPON POWER FAILURE.     *          |
   87 |         * 61       500(ON)   PLC AUTO RUN MODE SETTING.    *          |
   88 |         *                    THIS FREES UP INPUT 0 TO BE   *          |
   89 |         *                    AVAILABLE AS A STANDARD PLC   *          |
   90 |         *                    INPUT.                        *          |
   91 |         *                    PROGRAM LOADER COMMANDS:      *          |
   92 |         *                    PROGRAMMING MODE:             *          |
   93 |         *                    TRS  SET  701  ENTER          *          |
   94 |         *                    PLC RUN MODE:                 *          |
   95 |         *                    TRS  RST  701  ENTER          *          |
   96 |         *                    TRS  RST  702  ENTER          *          |
   97 |         *                                                  *          |
   98 |         *                                                  *          |
   99 |         * ================================================ *          |
  100 |         *                 PLC PROGRAM                      *          |
  101 |         * ================================================ *          |
  102 |         *                                                  *          |
  103 |         * DUPLEX PUMP ALTERNATOR                           *          |
  104 |         * TOP LINE RESETS THE COUNTER TO 0                 *          |
  105 |         * BOTTOM LINE PULSES THE COUNTER                   *          |
  106 |         * COUNTS PULSES FROM THE PUMP ON FLOAT SWITCH      *          |
  107 |         * RESETS WHEN THE COUNTER HAS COUNTED OUT AND THE  *          |
  108 |         * PUMP OFF FLOAT SWITCH OPENS ITS CONTACT          *          |
  109 |         *                                                  *          |
      |                                                                DUPLEX |
      |PHANTM  DUPLEX                                                  ALTER- |
      |INPUT   ALTER-                                                  NATOR  |
      |RESET   NATOR                                                   COUNTR |
      |ALTERN  COUNTR                                                   +----+|
  110 +--| |--+--| |----------------------------------------------------+C  0|+
      |   102 | C   0                                                R  |   2||
      |       |                                                         |    ||
      |LOW    |                                                         |    ||
      |TANK   |                                                         |    ||
      |ALARM  |                                                         |    ||
      |FLOAT  |                                                         |    ||
  111 +--|/|--+                                                         |    ||
      |     0 |                                                         |    ||
      |       |                                                         |    ||
      |PUMP   |                                                         |    ||
      |OFF    |                                                         |    ||
      |FLOAT  |                                                         |    ||
      |SWITCH |                                                         |    ||
  112 +--|/|--+                                                         |    ||
      |     1                                                           |    ||
      |                                                                 |    ||
      |PUMP                                                             |    ||
      |ON                                                               |    ||
      |FLOAT                                                            |    ||
      |SWITCH                                                           |    ||
  113 +--| |------------------------------------------------------------+    |+
      |     2                                                        P  +----+|
      |                                                                       |
  114 |         *                                                  *          |
  115 |         * COUNTER 0 COMPARISONS FOR AUTOMATIC ALTERNATING  *          |
  116 |         * OF PUMPS                                         *          |
  117 |         * COUNTER 0 EQUALS 1 - RUN PUMP #1                 *          |
  118 |         *                                                  *          |
      |                                                                PUMP#1 |
      |                                                                ALTER- |
      |                                                                NATOR  |
      |                                                                SIGNAL |
  119 +[F 100]----------------------------------------------------------(    )+
      |     1                                                             400 |
      |                                                                       |
  120 |         *                                                  *          |
  121 |         * COUNTER 0 EQUALS 2 - RUN PUMP #2                 *          |
  122 |         *                                                  *          |
      |                                                                PUMP#2 |
      |                                                                ALTER- |
      |                                                                NATOR  |
      |                                                                SIGNAL |
  123 +[F 100]----------------------------------------------------------(    )+
      |     2                                                             401 |
      |                                                                       |
  124 |                                                                       |
      |                                                                       |
      |                                                                       |
  125 |         *                                                  *          |
  126 |         * ================================================ *          |
  127 |         *               DIAGNOSTIC SECTION                 *          |
  128 |         * ================================================ *          |
  129 |         *                                                  *          |
  130 |         *                                                  *          |
  131 |         * ================================================ *          |
  132 |         *        PUMP RUNNING ELAPSED HOUR METERS          *          |
  133 |         * ================================================ *          |
  134 |         *                                                  *          |
  135 |         * PUMP #1 ELAPSED HOUR METER                       *          |
  136 |         * COUNTER 1 ACCUMULATES SECONDS OF PUMP #1 RUNNING *          |
  137 |         * TIME UP TO ONE HOUR AND INCREMENTS COUNTER 2     *          |
  138 |         * BEFORE RESETTING ITSELF                          *          |
  139 |         *                                                  *          |
      |                                                                PUMP#1 |
      |PHANTM                                                          ONE    |
      |INPUT                                                           HOUR   |
      |RESETS                                                          COUNTR |
      |ETM                                                              +----+|
  140 +--| |--+---------------------------------------------------------+C  1|+
      |   100 |                                                      R  |3600||
      |       |                                                         |    ||
      |PUMP#1 |                                                         |    ||
      |ONE    |                                                         |    ||
      |HOUR   |                                                         |    ||
      |COUNTR |                                                         |    ||
  141 +--| |--+                                                         |    ||
      | C   1                                                           |    ||
      |                                                                 |    ||
      |        ONE                                                      |    ||
      |PUMP#1  SECOND                                                   |    ||
      |MOTOR   INTRNL                                                   |    ||
      |STARTR  PULSE                                                    |    ||
  142 +--| |-----| |----------------------------------------------------+    |+
      |   200     714                                                P  +----+|
      |                                                                       |
  143 |         *                                                  *          |
  144 |         * PUMP #1 ELAPSED HOUR METER FOR 0 TO 9,999 HOURS  *          |
  145 |         * OF PUMP #1 RUNNING TIME                          *          |
  146 |         *                                                  *          |
      |                                                                PUMP#1 |
      |PHANTM                                                          0 TO   |
      |INPUT                                                           9,999  |
      |RESETS                                                          HOURS  |
      |ETM                                                              +----+|
  147 +--| |--+---------------------------------------------------------+C  2|+
      |   100 |                                                      R  |9999||
      |       |                                                         |    ||
      |PUMP#1 |                                                         |    ||
      |0 TO   |                                                         |    ||
      |9,999  |                                                         |    ||
      |HOURS  |                                                         |    ||
  148 +--| |--+                                                         |    ||
      | C   2                                                           |    ||
      |                                                                 |    ||
      |PUMP#1                                                           |    ||
      |ONE                                                              |    ||
      |HOUR                                                             |    ||
      |COUNTR                                                           |    ||
  149 +--| |------------------------------------------------------------+    |+
      | C   1                                                        P  +----+|
      |                                                                       |
  150 |         *                                                  *          |
  151 |         * PUMP #1 ELAPSED HOUR METER FOR 10,000 TO         *          |
  152 |         * 99,990,000 HOURS OF PUMP #1 RUNNING TIME         *          |
  153 |         *                                                  *          |
      |                                                                PUMP#1 |
      |PHANTM                                                          ETM    |
      |INPUT                                                           10K+   |
      |RESETS                                                          HOURS  |
      |ETM                                                              +----+|
  154 +--| |------------------------------------------------------------+C  3|+
      |   100                                                        R  |9999||
      |                                                                 |    ||
      |PUMP#1                                                           |    ||
      |0 TO                                                             |    ||
      |9,999                                                            |    ||
      |HOURS                                                            |    ||
  155 +--| |------------------------------------------------------------+    |+
      | C   2                                                        P  +----+|
      |                                                                       |
  156 |                                                                       |
      |                                                                       |
      |                                                                       |
  157 |         *                                                  *          |
  158 |         * PUMP #2 ELAPSED HOUR METER                       *          |
  159 |         * COUNTER 4 ACCUMULATES SECONDS OF PUMP #2 RUNNING *          |
  160 |         * TIME UP TO ONE HOUR AND INCREMENTS COUNTER 5     *          |
  161 |         * BEFORE RESETTING ITSELF                          *          |
  162 |         *                                                  *          |
      |                                                                PUMP#2 |
      |PHANTM                                                          ONE    |
      |INPUT                                                           HOUR   |
      |RESETS                                                          COUNTR |
      |ETM                                                              +----+|
  163 +--| |--+---------------------------------------------------------+C  4|+
      |   100 |                                                      R  |3600||
      |       |                                                         |    ||
      |PUMP#2 |                                                         |    ||
      |ONE    |                                                         |    ||
      |HOUR   |                                                         |    ||
      |COUNTR |                                                         |    ||
  164 +--| |--+                                                         |    ||
      | C   4                                                           |    ||
      |                                                                 |    ||
      |        ONE                                                      |    ||
      |PUMP#2  SECOND                                                   |    ||
      |MOTOR   INTRNL                                                   |    ||
      |STARTR  PULSE                                                    |    ||
  165 +--| |-----| |----------------------------------------------------+    |+
      |   201     714                                                P  +----+|
      |                                                                       |
  166 |         *                                                  *          |
  167 |         * PUMP #2 ELAPSED HOUR METER FOR 0 TO 9,999 HOURS  *          |
  168 |         * OF PUMP #2 RUNNING TIME                          *          |
  169 |         *                                                  *          |
      |                                                                PUMP#2 |
      |PHANTM                                                          0 TO   |
      |INPUT                                                           9,999  |
      |RESETS                                                          HOURS  |
      |ETM                                                              +----+|
  170 +--| |--+---------------------------------------------------------+C  5|+
      |   100 |                                                      R  |9999||
      |       |                                                         |    ||
      |PUMP#2 |                                                         |    ||
      |0 TO   |                                                         |    ||
      |9,999  |                                                         |    ||
      |HOURS  |                                                         |    ||
  171 +--| |--+                                                         |    ||
      | C   5                                                           |    ||
      |                                                                 |    ||
      |PUMP#2                                                           |    ||
      |ONE                                                              |    ||
      |HOUR                                                             |    ||
      |COUNTR                                                           |    ||
  172 +--| |------------------------------------------------------------+    |+
      | C   4                                                        P  +----+|
      |                                                                       |
  173 |         *                                                  *          |
  174 |         * PUMP #2 ELAPSED HOUR METER FOR 10,000 TO         *          |
  175 |         * 99,990,000 HOURS OF PUMP #2 RUNNING TIME         *          |
  176 |         *                                                  *          |
      |                                                                PUMP#2 |
      |PHANTM                                                          ETM    |
      |INPUT                                                           10K+   |
      |RESETS                                                          HOURS  |
      |ETM                                                              +----+|
  177 +--| |------------------------------------------------------------+C  6|+
      |   100                                                        R  |9999||
      |                                                                 |    ||
      |PUMP#2                                                           |    ||
      |0 TO                                                             |    ||
      |9,999                                                            |    ||
      |HOURS                                                            |    ||
  178 +--| |------------------------------------------------------------+    |+
      | C   5                                                        P  +----+|
      |                                                                       |
  179 |                                                                       |
      |                                                                       |
      |                                                                       |
  180 |         *                                                  *          |
  181 |         * ================================================ *          |
  182 |         *                ALARM COUNTER                     *          |
  183 |         * ================================================ *          |
  184 |         *                                                  *          |
  185 |         * LOW LEVEL TANK ALARM COUNTER                     *          |
  186 |         * ACCUMULATES THE NUMBER OF LOW LEVEL TANK ALARMS  *          |
  187 |         * FROM 0 TO 9,999 AND INCREMENTS COUNTER 11 BEFORE *          |
  188 |         * RESETTING ITSELF AND COUNTING OVER AGAIN         *          |
  189 |         *                                                  *          |
      |                                                                LOW    |
      |PHANTM                                                          LEVEL  |
      |ALARM                                                           ALARM  |
      |COUNTR                                                          0-9999 |
      |RESET                                                            +----+|
  190 +--| |--+---------------------------------------------------------+C 10|+
      |   101 |                                                      R  |9999||
      |       |                                                         |    ||
      |LOW    |                                                         |    ||
      |LEVEL  |                                                         |    ||
      |ALARM  |                                                         |    ||
      |0-9999 |                                                         |    ||
  191 +--| |--+                                                         |    ||
      | C  10                                                           |    ||
      |                                                                 |    ||
      |LOW                                                              |    ||
      |TANK                                                             |    ||
      |ALARM                                                            |    ||
      |FLOAT                                                            |    ||
  192 +--|/|------------------------------------------------------------+    |+
      |     0                                                        P  +----+|
      |                                                                       |
  193 |         *                                                  *          |
  194 |         * ACCUMULATES THE NUMBER OF LOW LEVEL TANK ALARMS  *          |
  195 |         * FROM 10,000 T0 99,990,000                        *          |
  196 |         *                                                  *          |
      |                                                                LOW    |
      |PHANTM                                                          LEVEL  |
      |ALARM                                                           ALARM  |
      |COUNTR                                                          10K+   |
      |RESET                                                            +----+|
  197 +--| |------------------------------------------------------------+C 11|+
      |   101                                                        R  |9999||
      |                                                                 |    ||
      |LOW                                                              |    ||
      |LEVEL                                                            |    ||
      |ALARM                                                            |    ||
      |0-9999                                                           |    ||
  198 +--| |------------------------------------------------------------+    |+
      | C  10                                                        P  +----+|
      |                                                                       |
  199 |                                                                       |
      |                                                                       |
      |                                                                       |
  200 |         *                                                  *          |
  201 |         * HIGH LEVEL TANK ALARM COUNTER                    *          |
  202 |         * ACCUMULATES THE NUMBER OF HIGH LEVEL TANK ALARMS *          |
  203 |         * FROM 0 TO 9,999 AND INCREMENTS COUNTER 13 BEFORE *          |
  204 |         * RESETTING ITSELF AND COUNTING OVER AGAIN         *          |
  205 |         *                                                  *          |
      |                                                                HIGH   |
      |PHANTM                                                          LEVEL  |
      |ALARM                                                           ALARM  |
      |COUNTR                                                          0-9999 |
      |RESET                                                            +----+|
  206 +--| |--+---------------------------------------------------------+C 12|+
      |   101 |                                                      R  |9999||
      |       |                                                         |    ||
      |HIGH   |                                                         |    ||
      |LEVEL  |                                                         |    ||
      |ALARM  |                                                         |    ||
      |0-9999 |                                                         |    ||
  207 +--| |--+                                                         |    ||
      | C  12                                                           |    ||
      |                                                                 |    ||
      |HIGH                                                             |    ||
      |LEVEL                                                            |    ||
      |TANK                                                             |    ||
      |FLOAT                                                            |    ||
  208 +--| |------------------------------------------------------------+    |+
      |     3                                                        P  +----+|
      |                                                                       |
  209 |         *                                                  *          |
  210 |         * ACCUMULATES THE NUMBER OF HIGH LEVEL TANK ALARMS *          |
  211 |         * FROM 10,000 T0 99,990,000                        *          |
  212 |         *                                                  *          |
      |                                                                HIGH   |
      |PHANTM                                                          LEVEL  |
      |ALARM                                                           ALARM  |
      |COUNTR                                                          10K+   |
      |RESET                                                            +----+|
  213 +--| |------------------------------------------------------------+C 13|+
      |   101                                                        R  |9999||
      |                                                                 |    ||
      |HIGH                                                             |    ||
      |LEVEL                                                            |    ||
      |ALARM                                                            |    ||
      |0-9999                                                           |    ||
  214 +--| |------------------------------------------------------------+    |+
      | C  12                                                        P  +----+|
      |                                                                       |
  215 |         *                                                  *          |
  216 |         * ================================================ *          |
  217 |         *             MISCELLANEOUS SECTION                *          |
  218 |         * ================================================ *          |
  219 |         *                                                  *          |
  220 |         * ALARM FLASHER EVERY 0.3 SECONDS                  *          |
  221 |         *                                                  *          |
      |LOW                                                             ALARM  |
      |TANK    RESET                                                   FLASHR |
      |ALARM   ALARM                                                   PULSE  |
      |FLOAT   FLASHR                                                  SIGNAL |
  222 +--|/|--+--|/|---------------------------------------------------[T   0]+
      |     0 | T   1                                                       3 |
      |       |                                                               |
      |HIGH   |                                                               |
      |LEVEL  |                                                               |
      |TANK   |                                                               |
      |FLOAT  |                                                               |
  223 +--| |--+                                                               |
      |     3                                                                 |
      |                                                                       |
  224 |         *                                                  *          |
  225 |         * RESETS ALARM FLASHER                             *          |
  226 |         *                                                  *          |
      |ALARM                                                                  |
      |FLASHR                                                          RESET  |
      |PULSE                                                           ALARM  |
      |SIGNAL                                                          FLASHR |
  227 +--| |-----------------------------------------------------------[T   1]+
      | T   0                                                               3 |
      |                                                                       |
  228 |         *                                                  *          |
  229 |         * ================================================ *          |
  230 |         *              PLC OUTPUT SECTION                  *          |
  231 |         * ================================================ *          |
  232 |         *                                                  *          |
  233 |         * PUMP #1 MOTOR STARTER                            *          |
  234 |         * TOP LINE CONTROLS THE PUMP IN AUTO MODE          *          |
  235 |         * MIDDLE LINE OVERRIDES THE ALTERNATOR AND RUNS    *          |
  236 |         * BOTH PUMPS                                       *          |
  237 |         * BOTTOM LINE CONTROLS THE PUMP IN MANUAL          *          |
  238 |         * OPERATION EXCEPT WHEN THE LOW TANK ALARM FLOAT   *          |
  239 |         * SWITCH OPENS ITS CONTACT TO PREVENT THE PUMP     *          |
  240 |         * FROM RUNNING DRY                                 *          |
  241 |         *                                                  *          |
      |PUMP#1  PUMP#1  PUMP    PUMP#1  PUMP    LOW                            |
      |H-O-A   H-O-A   ON      ALTER-  OFF     TANK                    PUMP#1 |
      |AUTO    HAND    FLOAT   NATOR   FLOAT   ALARM                   MOTOR  |
      |POSITN  POSITN  SWITCH  SIGNAL  SWITCH  FLOAT                   STARTR |
  242 +--| |-----|/|--+--| |--+--| |--+--| |--+--| |--------------------(    )+
      |     5       4 |     2 |   400 |     1 |     0                     200 |
      |               |       |       |       |                               |
      |               |PUMP#1 |       |       |                               |
      |               |MOTOR  |       |       |                               |
      |               |STARTR |       |       |                               |
  243 |               +--| |--+       |       |                               |
      |                   200         |       |                               |
      |                               |       |                               |
      |HIGH                           |       |                               |
      |LEVEL                          |       |                               |
      |TANK                           |       |                               |
      |FLOAT                          |       |                               |
  244 +--| |--------------------------+       |                               |
      |     3                                 |                               |
      |                                       |                               |
      |PUMP#1  PUMP#1                         |                               |
      |H-O-A   H-O-A                          |                               |
      |HAND    AUTO                           |                               |
      |POSITN  POSITN                         |                               |
  245 +--| |-----|/|--------------------------+                               |
      |     4       5                                                         |
      |                                                                       |
  246 |         *                                                  *          |
  247 |         * PUMP #2 MOTOR STARTER                            *          |
  248 |         * TOP LINE CONTROLS THE PUMP IN AUTO MODE          *          |
  249 |         * MIDDLE LINE OVERRIDES THE ALTERNATOR AND RUNS    *          |
  250 |         * BOTH PUMPS                                       *          |
  251 |         * BOTTOM LINE CONTROLS THE PUMP IN MANUAL          *          |
  252 |         * OPERATION EXCEPT WHEN THE LOW TANK ALARM FLOAT   *          |
  253 |         * SWITCH OPENS ITS CONTACT TO PREVENT THE PUMP     *          |
  254 |         * FROM RUNNING DRY                                 *          |
  255 |         *                                                  *          |
      |PUMP#2  PUMP#2  PUMP    PUMP#2  PUMP    LOW                            |
      |H-O-A   H-O-A   ON      ALTER-  OFF     TANK                    PUMP#2 |
      |AUTO    HAND    FLOAT   NATOR   FLOAT   ALARM                   MOTOR  |
      |POSITN  POSITN  SWITCH  SIGNAL  SWITCH  FLOAT                   STARTR |
  256 +--| |-----|/|--+--| |--+--| |--+--| |--+--| |--------------------(    )+
      |     7       6 |     2 |   401 |     1 |     0                     201 |
      |               |       |       |       |                               |
      |               |PUMP#2 |       |       |                               |
      |               |MOTOR  |       |       |                               |
      |               |STARTR |       |       |                               |
  257 |               +--| |--+       |       |                               |
      |                   201         |       |                               |
      |                               |       |                               |
      |HIGH                           |       |                               |
      |LEVEL                          |       |                               |
      |TANK                           |       |                               |
      |FLOAT                          |       |                               |
  258 +--| |--------------------------+       |                               |
      |     3                                 |                               |
      |                                       |                               |
      |PUMP#2  PUMP#2                         |                               |
      |H-O-A   H-O-A                          |                               |
      |HAND    AUTO                           |                               |
      |POSITN  POSITN                         |                               |
  259 +--| |-----|/|--------------------------+                               |
      |     6       7                                                         |
      |                                                                       |
  260 |         *                                                  *          |
  261 |         * LOW TANK ALARM PILOT LIGHT                       *          |
  262 |         *                                                  *          |
      |LOW     ALARM                                                   LOW    |
      |TANK    FLASHR                                                  TANK   |
      |ALARM   PULSE                                                   ALARM  |
      |FLOAT   SIGNAL                                                  P.L.   |
  263 +--|/|-----| |----------------------------------------------------(    )+
      |     0   T   0                                                     202 |
      |                                                                       |
  264 |         *                                                  *          |
  265 |         * HIGH TANK ALARM PILOT LIGHT                      *          |
  266 |         *                                                  *          |
      |HIGH    ALARM                                                   HIGH   |
      |LEVEL   FLASHR                                                  TANK   |
      |TANK    PULSE                                                   ALARM  |
      |FLOAT   SIGNAL                                                  P.L.   |
  267 +--| |-----| |----------------------------------------------------(    )+
      |     3   T   0                                                     203 |
      |                                                                       |