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
OUT
NO
n
Normal Open Contact
Connects OCOM to OUT NO when activated.
UL Listed
(-0 model only)
1/4 hp 120 VAC, 1/2 hp 240 VAC
360 VA Pilot Duty at 120/240 VAC (B300)
3 A Non-inductive 24–240 VAC
CE Marking
(-2 model only): 6 (4) A N.O. or
N.C. only, 240 VAC
OCOM
n
Relay Common
Isolated from all other terminal commons,
including other Relay Commons.
RELAY
n
(Outputs)
(FX-PCX27)
OUT
NC
n
Normal Closed Contact
Connects OCOM to OUT NC when activated.
UL Listed
(-0 model only)
1/4 hp 120 VAC, 1/2 hp 240 VAC
360 VA Pilot Duty at 120/240 VAC (B300)
3 A Non-inductive 24–240 VAC
CE Marking
(-2 model only): 6 (4) A N.O. or
N.C. only, 240 VAC
The Relay output
terminals can
accommodate the
following maximum
wire sizes:
Two wires per terminal:
1.3 mm (16 AWG)
maximum wire size
or
One wire per terminal:
2.0 mm (12 AWG)
maximum
Note:
You must
determine the
required
wire
size for the high-
voltage (>30
V) terminals
according to
relay ratings,
the applied load,
and the local,
national, or
regional electrical
codes.
Cable and wire length guidelines
Table 4 defines cable length guidelines for the various wire sizes that may be used for wiring low-
voltage (<30 V) input and outputs.
FX-PCX17 and FX-PCX27 Expansion Input/Output Module Installation Instructions
18
