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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 device
Type of Input/Output
Termination diagrams
Dry Contact (Binary Input)
BI
Incremental Control to
Actuator (Switch Low,
Externally Sourced)
BO
24 VAC Binary Output
(Switch Low, Externally
Sourced)
BO
24 VAC Binary Output
(Switch High, Externally
Sourced)
BO
Incremental Control to
Actuator (Switch High,
Externally Sourced)
BO
IOM3731-0A Expansion Input/Output Installation Guide
9