ABB ECA06 - Page 237

Appendix A: Application Examples A.3 Furnace Pressure Control with 3-State Pulse Output
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Configure the controller to provide a three state pulse output from DO3 and DO4
for the motor increase/decrease signal:
1Outputs → Digital Outputs → DO3 → Mode = PositiveLogic.
2Outputs → Digital Outputs → DO3 → Signal = OF1 [Increase].
3Outputs → Digital Outputs → DO4 → Mode = PositiveLogic.
4Outputs → Digital Outputs → DO4 → Signal = OF1[Decrease].
DO2:Dig Out 2
Identity
HiAlarm
Cancel
OK
DO3:Dig Out 3
Mode
PositiveLogic
Cancel
OK
DO3:Dig Out 3
Signal
OF1[Increase]
Cancel
OK
DO4:Dig Out 4
Mode
PositiveLogic
Cancel
OK