
Table 2: Termination Details
Termination Diagrams
Type of
Input/Output
Type of Field Device
CO or AO
24 VAC Triac Output
(Switch Low, External
Source)
CO or AO
Incremental Control to
Actuator (Switch Low,
Externally Sourced)
CO or AO
24 VAC Binary Output
(Switch High, Externally
Sourced)
CO or AO
Incremental Control to
Actuator (Switch High,
Externally Sourced)
BO
24 VAC Binary Output
(Switch Low, Externally
Sourced)
BO
24 VAC Binary Output
(Switch High, Externally
Sourced)
12
FEC1611 and FEC1621 Field Equipment Controller Installation Instructions