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PLC I/O: Inputs

Paikallisohjauspaneeli

Venttiilin ohjauskotelo = Valve Local Control Panel K = Closed A = Opened OHJAUS = CONTROL LIIKKUU = MOVING VALVONTA-AIKA = DISCREPANCY

Control Switch "Closed/Opened"

A turning switch in the Local Panel
Activates driving of the valve to open or closed position
Input switch in open position (0) -> the valve is closed
Input switch in closed position (1) -> the valve is opened

Limit Switch "Closed"

A limit switch at the valve
the switch is closed only when the valve is fully closed
both limit switches are open when the valve is in an intermediate position

Limit Switch "Opened"

A limit switch at the valve
the switch is closed only when the valve is fully opened
both limit switches are open when the valve is in an intermediate position

Updated 14.3.2007

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