Johnson Controls MS-FEC2611 Series Installation Instructions Manual page 16

Table 3: FEC26 Terminal Blocks, Functions, Ratings, Requirements, and Cables
Terminal Block Label
BINARY
(Inputs)
FEC26Field Equipment Controllers Installation Instructions
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Terminal Label
INn
ICOMn
Function, Ratings,
Requirements
Binary Input - Dry Contact
Maintained Mode
0.01 second minimum pulse
width
Internal 18 V. 3k ohms pull up
Binary Input - Pulse
Counter/Accumulator Mode
0.01 second minimum pulse
width
(50 Hz at 50% duty cycle)
Internal 18 V. 3k ohms pull up
Binary Input Common for all
Binary Input (IN) terminals
Note: All Binary ICOMn
terminals share a
common, which is
isolated from all other
commons, except the
Configurable Output
(CO) common
(OCOMn) when the
CO is defined as an
Analog Output.
Determine Wire Size and
Maximum Cable Length
See Guideline A in Table 4.
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