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