C - sample ladder listing, Sample ladder listing – Rockwell Automation 1402-LSM Line Synchronization Module Installation Instructions User Manual
Page 67

A–B
C
Appendix
C–1
Sample Ladder Listing
This is a sample ladder. It shows a way to configure the block transfers for
the 1402–LSM and the Power I/O Configuration software.
!
ATTENTION: Proper operation of the ladder program is the
responsibility of the user. No warranty is expressed or implied by
using this ladder configuration.
This ladder is subject to change.
Rung 2:0
Assign trigger bit from desired trigger.
| User |
| Supplied Trigger |
| Input Timer Trigger |
| I:003 T4:0 B3 |
+––––] [–––––––––––––––––––––––––––––––––––––––––––+–––]/[––––––––––––( )––––+–––+
| 00 | DN 0 | |
| | | |
| | Trigger | |
| | Timer | |
| |+TON–––––––––––––––+ | |
| ++TIMER ON DELAY +–(EN)+ |
| |Timer T4:0| |
| |Time base 0.01+–(DN) |
| |Preset 40| |
| |Accum 0| |
| +––––––––––––––––––+ |
Rung 2:1
Internal Module Status Bit.
| Module |
| Status Module |
| Input Status |
| I:000 B3 |
+––––] [–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––( )–––––––+
| 17 7 |
Rung 2:0
Assigns an external trigger
to set an internal trigger.
The timer allows the
internal trigger to be set for
a prescribed time. It also
serves as a one shot.
Rung 2:1
In the event that the
module status input is
set the ladder will only
read the diagnostic
parameters.