Johnson Controls FEC26 Series Installation Instructions Manual page 16

Table 4: FEC26 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
OCOMn
to Internal (INT)
power.
FEC26 Field Equipment Controllers 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)
Sources internal 24 VAC power (24~
HOT).
Binary Output - 24 VAC Triac (Internal
Power Source)
Connects OCOMn to 24~ 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 5.
See Guideline C in Table 5.
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