Instruction Manual

RevB MN301030 11of14
ELECTRICALINSTALLATION StepSeven
Wiring:An external power supply delivering 13‐30 VDC with minimum current capability of 40 mA DC (per
transmitter) is required to power thecontrol loop.SeeFigure Abelow for connection of thepower supply,
transmitter and receiver.The range of appropriate receiver load resistance (RL) for the DC power supply
voltageavailableisexpressedbytheformula:
RLmax=(Vsup–10V)/20mADC
 Shieldedcableisrecommendedforcontrolloopwiring.
 UsetheRedwire/(1)terminalasthe(+)andtheBlackwire/(2)terminalasthe(‐).
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Fig.A
Connections
CableVersion(LD30‐S_01Series)
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 (+)= RedWire&(‐)=BlackWire
ConduitVersion(LD30‐S_11Series)
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(+)=Terminal#1&(‐)=Terminal#2
WiringtoaLoopPoweredDisplay
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WiringtoaTypicalPLC
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