Rockwell Automation 1402-LSM Line Synchronization Module Installation Instructions - Manual (Page 74)

Appendix C
Sample Ladder Listing
C–8
Rung 2:20
Perform BTW for User Configuration Parameters.
| User |
| Sequencer Config. |
| output BTW |
| +CMP–––––––––––––––+ +BTW––––––––––––––––––––+ |
+–+COMPARE +––––––––––––––––––––––––––+BLOCK TRANSFER WRITE +–(EN)–––+
| |Expression | |Rack 00| |
| |N10:0 = 60 | |Group 0+–(DN) |
| +––––––––––––––––––+ |Module 0| |
| |Control block N60:0+–(ER) |
| |Data file N40:1| |
| |Length 12| |
| |Continuous N| |
| +–––––––––––––––––––––––+ |
Rung 2:21
Used by the 6200 software for initiating the self–test and clearing
KW hours and KVAR hour counters.
* NOTE: Do not include this BTW number in the sequencer input file!(N:22)
| |
| Sequencer CONTROL |
| output REQUEST BTW |
| +CMP–––––––––––––––+ +BTW––––––––––––––––––––+ |
+–+COMPARE +––––––––––––––––––––––––––+BLOCK TRANSFER WRITE +–(EN)–––+
| |Expression | |Rack 00| |
| |N10:0 = 61 | |Group 0+–(DN) |
| +––––––––––––––––––+ |Module 0| |
| |Control block N61:0+–(ER) |
| |Data file N41:1| |
| |Length 14| |
| |Continuous N| |
| +–––––––––––––––––––––––+ |
Rung 2:22
Configuration status received through block transfer is valid.
| Valid |
| Config |
| Data |
| +CMP–––––––––––––––+ +CMP–––––––––––––––+ B3 |
+–+COMPARE +–+COMPARE +––––––––––––––––––––––––––––( )–––––––+
| |Expression | |Expression | 4 |
| |N32:18 = 0 | |N33:5 = 0 | |
| +––––––––––––––––––+ +––––––––––––––––––+ |
Rung 2:20
Performs block transfer
write of User Configuration
parameters.
Rung 2:21
Used by the 6200
software to perform block
transfer write of Control
Request.
** Do not include this
BTW number in the
sequencer input file! **
Rung 2:22
Checks the overall
configuration status words
of the Acknowledge
factory and Acknowledge
user configuration
parameters to make sure
the data is valid.