Rockwell Automation 1785-BCM_BEM, D17856.5.4 PLC-5 Backup Communication Module User Manual User Manual
Page 142
Sample Programs
Appendix A
A-24
Rung 11:0
THIS IS THE START OF AN OPTIONAL SUBROUTINE PROGRAM FILE THAT IS USED FOR
DIAGNOSTICS AND ERROR REPORTING. THIS RUNG MONITORS AND COUNTS BTR 1 ERRORS.
| BTR 1 |
| BTR 1 ERROR |
| ER COUNT |
| N30:0 +CTU–––––––––––––––+ |
+––––] [–––––––––––––––––––––––––––––––––––––––––––––+COUNT UP +–(CU)–+
| 12 |Counter C28:0| |
| |Preset 999+–(DN) |
| |Accum 0| |
| +––––––––––––––––––+ |
Rung 11:1
THIS RUNG MONITORS AND COUNTS BTW 1 ERRORS.
| BTW 1 |
| BTW 1 ERROR |
| ER COUNT |
| N30:5 +CTU–––––––––––––––+ |
+––––] [–––––––––––––––––––––––––––––––––––––––––––––+COUNT UP +–(CU)–+
| 12 |Counter C28:1| |
| |Preset 999+–(DN) |
| |Accum 0| |
| +––––––––––––––––––+ |
Rung 11:2
DIAGNOSTIC ERROR RUNG. ALL VALUES EXCEPT THE BUFFER FULL COUNT SHOULD REMAIN AT
ZERO. THE BUFFER FULL COUNT MAY INCREMENT AND IS PROBABLY AN INDICATION OF
PRI/SEC ASYNCRONOUS SPEED DIFFERENCES.
| LOCAL |
| LOCAL SERIAL |
| SERIAL COMM. |
| BTR 1 COMM. ERROR |
| DN BIT FAULT COUNT |
| N30:0 N31:1 +CTU–––––––––––––––+ |
+––––] [––––––––––––––––––––––––––––––––+–––] [–––––+COUNT UP +–(CU)+–+
| 13 | 0 |Counter C28:2| | |
| | |Preset 999+–(DN)| |
| | |Accum 0| | |
| | +––––––––––––––––––+ | |
| | LOCAL | |
| |LOCAL BACKPLANE | |
| |BACKPLANE ERROR | |
| |FAULT COUNT | |
| | N31:1 +CTU–––––––––––––––+ | |
| +–––] [–––––+COUNT UP +–(CU)+ |
| | 1 |Counter C28:3| | |
| | |Preset 999+–(DN)| |
| | |Accum 0| | |
| | +––––––––––––––––––+ | |
| | LOCAL | |
| | BUFFER | |
| |LOCAL FULL | |
| |BUFFER ERROR | |
| |FULL FAULT COUNT | |
| | N31:1 +CTU–––––––––––––––+ | |
| +–––] [–––––+COUNT UP +–(CU)+ |
| | 2 |Counter C28:4| | |
| | |Preset 999+–(DN)| |
| | |Accum 0| | |
| | +––––––––––––––––––+ | |
| | | |
| |LOCAL LOCAL | |
| |PROGRAM PROGRAM | |
| |ERROR ERROR | |
| |FAULT COUNT | |
| | N31:1 +CTU–––––––––––––––+ | |
| +–––] [–––––+COUNT UP +–(CU)+ |
| 3 |Counter C28:5| |
| |Preset 999+–(DN) |
| |Accum 0| |
| +––––––––––––––––––+ |