AutomationDirect DURAPULSE GS3-43P0 - CLICK Communication Program - (for CLICK Plcs)

Chapter 5: DURAPULSE MODBUS Communications
5–24
CLICK Communication Program – (for CLICK PLCs)
(Continued next page)
This rung counts the number of times the PLC attempts to communicate with the drives.
_Port_3_Ready_Flag
bSC102
Up
Complete
Reset
Counter CT1
Current ICTD1
SetPoint i9999
bCT1
bCT1
This rung acts as an alternator, allowing the following logic to alternate between Drive #1 and
Drive #2. If there were additional drives, the Setpoint for the counter would simply be increased to
match the number of drives.
_Port_3_Ready_Flag
bSC102
Up
Complete
Reset
Counter CT3
Current ICTD3
SetPoint i2
bCT3
bCT3
This rung counts the number of comm attempts that failed.
_Port_3_Error_Flag
bSC103
Read Drive #1 Error
bC202
Read Drive #2 Error
bC205
Up
Complete
Reset
Counter CT2
Current ICTD2
SetPoint i9999
bCT2
bCT2
(Coordinates the
Receive boxes, so they
toggle back and forth.)
(Coordinates the Receive boxes,
so they toggle back and forth.)
1
2
3
Comm Interlock
Counter
Comm Interlock Counter
This program is for illustrational purposes only, and is not intended for a true application.
DURAPULSE AC Drive User Manual
1st Ed. Rev. D 05/2013