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/ Excercise: Valve Control
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PLC I/O: Outputs
Venttiilin ohjauskotelo = Valve Local
Control Panel
K = Closed
A = Opened
OHJAUS = CONTROL
LIIKKUU = MOVING
VALVONTA-AIKA = DISCREPANCY
- "MOVING"
- An Indicator Lamp on the local panel
- When the valve is moving the lamp blinks with a frequency of 1 Hz (i.e. when "CLOSE CONTROL" or "OPEN CONTROL" is activated
- "CLOSE CONTROL"
- A control switch output connected to the Electric Center
- The switch is closed during the whole time that valve is driven to closed position
- "OPEN CONTROL"
- A control switch output connected to the Electric Center
- The switch is closed during the whole time that valve is driven to opened position
- "DISCREPANCY ALARM"
- An Indicator Lamp on the local panel
- The lamp blinks when there is a discrepancy alarm
Updated 14.3.2007
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