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Excercise: Valve Control
PLC I/O: Inputs
PLC I/O: Outputs
General Instructions
Discrepancy
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TL110103 PLC Control 3 cu
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Excercise: Valve Control
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PLC I/O: Inputs
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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