Table 3: FX-PCX17 and FX-PCX27 terminal blocks, functions, ratings, requirements, and cables
Terminal block
label
Terminal
label
Function, ratings, requirements
Determine wire size
and maximum cable
length
Binary Input - Dry Contact Maintained
Mode
0.01 second minimum pulse width
Internal 18 V, 3k ohm pull up
IN
n
Binary Input - Pulse Counter/Accumulator
Mode
0.01 second minimum pulse width
(50 Hz at 50% duty cycle)
Internal 18 V, 3k ohm pull up
BINARY
(Inputs)
(FX-PCX17)
ICOM
n
Binary Input Common
for all Binary Input
(IN) terminals
Note:
All Binary ICOM
n
terminals share
a common, which is isolated from all
other commons.
See Guideline
A
in
FX-PCX17 and FX-PCX27 Expansion Input/Output Module Installation Instructions
16