Appendix B
Ladder Programming
Rung 2:0
| PRESS IN |
| MOTION BIT |
| N10:21 C5:5 |
|----]/[--------------------------------------------------------------------------------------------------------+--(RES)-----+-|
| 0 | | |
| | PANELVIEW | |
| | LOW ALARM | |
| | INHIBIT | |
| | INDICATOR | |
| | N10:16 | |
| +----(L)-----+ |
| 10 |
Rung 2:1
| PANELVIEW |
| AND CH'S |
| 1&2 MODULE LOW ALARM |
| CAM CYCLE INHIBIT |
| BIT COUNTER |
| N10:21 C5:5 +CTU---------------+ |
|----] [------]/[------------------------------------------------------------------------------------+COUNT UP +-(CU)-|
| 0 DN |Counter C5:5+-(DN) |
| |Preset 4| |
| |Accum 1| |
| +------------------+ |
Rung 2:2
| PRESS IN PANELVIEW |
| MOTION BIT LOW ALARM |
| INHIBIT |
| INDICATOR |
| N10:21 C5:5 N10:10 |
|----] [------] [------------------------------------------------------------------------------------------------------(U)-----|
| 0 DN 10 |
Rung 2:3
SETS UP CAM WINDOW FOR TONNAGE MODULE
| PANELVIEW |
| AND CH'S |
| 1&2 MODULE |
| CAM CYCLE |
| BIT |
| +LIM---------------+ N10:21 |
|-+LIMIT TEST +-------------------------------------------------------------------------------------------------( )-----|
| |Low Lim 600| 0 |
| | | |
| |Test N153:0| |
| | 0| NOTE: CENTERS SIGNITURE IN LOOKWINDOW |
| | | |
| |High Lim 2830| |
| | | |
| +------------------+ |
Rung 2:4
MOVES LOW ALARM INHIBIT COUNTS ENTERED FROM PANELVIEW INTO THE PRESET OF THE
LOW ALARM INHIBIT COUNTER
| +MOV---------------+ |
|---------------------------------------------------------------------------------------------------------+MOVE +-|
| |Source N10:17| |
| | 0| |
| |Dest C5:5.PRE| |
| | 4| |
| +------------------+ |
Rung 2:13
CAUSES EITHER E-STOP OR TOP STOP RELAY TO DROP OUT WHEN THERE IS A TONNAGE
FAULT
| CH'S 1&2 | E-STOP OR |
| MODULE | TOP STOP |
| ALARM BIT | RELAY |
| N10:16 O:7 |
|----]/[---------------------------------------------------------------------------------------------------------------( )-----|
| 11 0 |
Rung 2:14
| |
|-------------------------------------------------------------+END+------------------------------------------------------------|
| |