ABB ECA06 Configuration And Installation page 236

A.3 Furnace Pressure Control with 3-State Pulse Output
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3
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DO1: Dig Out 1
Mode
PositiveLogic
Cancel
Outputs → Digital Outputs → DO1 → Signal = AA1 [LoAlarm].
DO1:Dig Out 1
Signal
Cancel
Outputs → Digital Outputs → DO1 → Identity = LoAlarm.
DO1:Dig Out 1
Identity
Cancel
Outputs → Digital Outputs → DO2 → Mode = PositiveLogic.
DO2:Dig Out 2
Mode
Cancel
Outputs → Digital Outputs → DO2 → Signal = AA1 [HiAlarm].
DO2:Dig Out 2
Signal
Cancel
Outputs → Digital Outputs → DO2 → Identity = HiAlarm.
OK
AA1 [LoAlarm]
OK
LoAlarm
OK
PositiveLogic
OK
AA1[HiAlarm]
OK
Appendix A: Application Examples
493-0736-11 (6-2)