Rockwell Automation 1785-BCM_BEM, D17856.5.4 PLC-5 Backup Communication Module User Manual - Manual (Page 145)

Sample Programs
Appendix A
A-27
Rung 11:6
THIS RUNG IS USED TO RESET THE ERROR COUNTERS.
| USER |
| DEFINED BTW 1 |
| ERROR ERROR |
| RESET BIT COUNT |
| I:010 C28:1 |
+––––] [––––––––––––––––––––––––––––––––––––––––––––––––––––––––––+––(RES)–––+–+
| 00 | | |
| |BTW 2 | |
| |ERROR | |
| |COUNT | |
| | C28:21 | |
| +––(RES)–––+ |
| | | |
| |BTW 3 | |
| |ERROR | |
| |COUNT | |
| | C28:22 | |
| +––(RES)–––+ |
You can add error count reset rungs here as required.
Rung 11:7
THIS RUNG MONITORS AND COUNTS THE BTR 2 ERRORS.
| BTR 2 |
| BTR 2 ERROR |
| ER COUNT |
| N30:10 +CTU–––––––––––––––+ |
+–+–––] [––––––––––––––––+–––––––––––––––––––––––––––+COUNT UP +–(CU)–+
| | 12 | |Counter C28:6| |
| | |LOCAL | |Preset 999+–(DN) |
| | |SERIAL | |Accum 0| |
| |BTR 2 |COMM. | +––––––––––––––––––+ |
| |DN |FAULT | |
| | N30:10 N31:65 | |
| +–––] [––––+–––] [––––++ |
| 13 | 0 | |
| |LOCAL | |
| |BACKPLANE | |
| |FAULT | |
| | N31:65 | |
| +–––] [––––+ |
| | 1 | |
| |LOCAL | |
| |PROGRAM | |
| |ERROR | |
| |FAULT | |
| | N31:65 | |
| +–––] [––––+ |
| 3 |
Rung 11:8
THIS RUNG MONITORS AND COUNTS THE BTW 2 ERRORS.
| BTW 2 |
| BTW 2 ERROR |
| ER COUNT |
| N30:15 +CTU–––––––––––––––+ |
+––––] [–––––––––––––––––––––––––––––––––––––––––––––+COUNT UP +–(CU)–+
| 12 |Counter C28:21| |
| |Preset 999+–(DN) |
| |Accum 0| |
| +––––––––––––––––––+ |