Appendix B
Ladder Programming
Rung 3:7
MOVES LOW INHIBIT COUNTS THAT IS ENTERED FROM PANELVIEW INTO PRESET OF THE LOW
ALARM INHIBIT COUNTER
| +MOV---------------+ |
|---------------------------------------------------------------------------------------------------------+MOVE +-|
| |Source N10:17| |
| | 4| |
| |Dest C5:5.PRE| |
| | 4| |
| +------------------+ |
Rung 3:9
COPIES SCALE INFORMATION FROM CH'S 1&2 TONNAGE MODULE 1 INTO CH'S 3&4 TONNAGE
MODULE 2
| +MOV---------------+ |
|---------------------------------------------------------------------------------------------------------+MOVE +-|
| |Source N10:15| |
| | 1000| |
| |Dest N11:15| |
| | 1000| |
| +------------------+ |
Rung 3:27
DROPS OUT RELAY WHEN THERE IS A TONNAGE FAULT
| CH'S 1&2 |CH'S 3&4 | TOP STOP |
| MODULE |MODULE | RELAY OR |
| ALARM BIT |ALARM BIT | E-STOP |
| | RELAY |
| N10:16 N11:16 O:7 |
|----]/[--------]/[----------------------------------------------------------------------------------------------------( )-----|
| 11 11 0 |
Rung 3:28
| |
|-------------------------------------------------------------+END+------------------------------------------------------------|
| |