Johnson Controls MS-FEC1611-1U Installation Instructions Manual page 16

Table 3: FEC16 Terminal Blocks, Functions, Ratings, Requirements, and Cables
Terminal Block Terminal
Label Label
BINARY OUTn
(Output)
Power Selection
Jumper positioned to
External (EXT) power.
OCOMn
BINARY OUTn
(Output)
Power Selection
Jumper positioned to
Internal (INT) power.
OCOMn
FEC1611 and FEC1621 Field Equipment Controller Installation Instructions
Function, Ratings, Requirements
Binary Output - 24 VAC Triac (External Power Source)
Connects OUTn to OCOMn when activated.
External Power Source Requirements:
30 VAC maximum output voltage
0.5 A maximum output current
1.3 A at 25% duty cycle
40 mA minimum load current
Binary Output Common (for OUTn terminal)
Note: Each Binary Output Common terminal (OCOMn) is
isolated from all other commons, including other Binary
Output Common terminals.
Binary Output - 24 VAC Triac (Internal Power Source)
Model FEC1611-0: Sources internal 24 VAC power (24~
COM).
Model FEC1611-1: Sources internal 24 VAC power (24~
HOT).
Binary Output - 24 VAC Triac (Internal Power Source)
Model FEC1611-0: Connects OCOMn to 24~ HOT when
activated.
Model FEC1611-1: Connects OCOMn to 24~ COM when
activated.
Internal Power Source:
30 VAC maximum output voltage
0.5 A maximum output current
1.3 A at 25% duty cycle
40 mA minimum load current
Determine Wire Size and
Maximum Cable Length
See Guideline C in Table 4.
See Guideline C in Table 4.
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