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Termination details
A set of Johnson Controls termination diagrams provides
details for wiring inputs and outputs to the controllers.
Table 5: Termination details
Type of Input/
Type of field device
Output
Temperature Sensor
UI
Voltage Input - External
UI
Source
Voltage Input - Internal
UI
Source
Voltage Input (Self-
UI
Powered)
Current Input - External
UI
Source (Isolated)
Current Input - Internal
UI
Source (2-wire)
Termination diagrams
See the figures in this section for the applicable
termination diagrams.
IOM2721 Input/Output Module Installation Guide
9
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