Wiring ratings and requirements table
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
+15 V
15 VDC Power Source
for active (3-wire)
input devices connected to the Universal IN
n
terminals.
Provides 35 mA total current
Same as (Universal)
IN
n
Note:
Use 3-wire
cable for devices
that source power
from the +15V
terminal.
Analog Input - Voltage Mode (0–10 VDC)
10 VDC maximum input voltage
Internal 75k ohm Pull-down
See Guideline
A
in
Analog Input - Current Mode (4–20 mA)
Internal 100 ohm load impedance
See Guideline
B
in
Analog Input - Resistive Mode (0–600k
ohm)
Internal 12 V, 15k ohm pull up
Qualified Sensors: 0-2k ohm potentiometer,
RTD (1k Nickel [ Johnson Controls sensor],
1k Platinum, and A99B Silicon Temperature
Sensor) Negative Temperature Coefficient
(NTC) Sensor (10k Type L, 10k JCI Type II,
2.252k Type II)
See Guideline
A
in
IN
n
Binary Input - Dry Contact Maintained
Mode
1 second minimum pulse width
Internal 12 V, 15k ohm pull up
See Guideline
A
in
UNIVERSAL
(Inputs)
(FX-PCX27)
ICOM
n
Universal Input Common
for all Universal
Input terminals
Note:
All Universal ICOM
n
terminals
share a common, which is isolated from
all other commons.
Same as (Universal)
IN
n
15
FX-PCX17 and FX-PCX27 Expansion Input/Output Module Installation Instructions
