Unitronics Uni-I/O UIS-04PTN Installation Manual page 12

UIS-08TC Installation Guide
 Connect the power supply 0V to the earth of the system.
 Earthing the cables' shield:
Connect the cable shield to the earth of the system - preferably to the metal cabinet
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chassis. Note that the shield must be connected only at one end of the cable;
typically, earthing the shield at the UIS-08TC end performs better.
Keep shield connections as short as possible.
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Ensure shield continuity when extending shielded cables.
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For detailed information, refer to the document System Wiring Guidelines, located in
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the Technical Library in the Unitronics' website.
W iring the Power Supply
1 5 B
This module requires an external 24VDC power supply.
 In the event of voltage fluctuations or non-conformity to voltage power supply
specifications, connect the device to a regulated power supply.
Connect the 24V and 0V terminals as shown
in the accompanying figure.
W iring the Inputs
1 6 B
 Each input offers two modes: thermocouple or voltage. You can set each input
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independently. The mode is determined both by wiring and by the hardware
configuration within the software application.
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DOC27021-A2 09/14
Unitronics