Table 2: FX-PCX37 Terminal Blocks, Functions, Ratings, Requirements, and Cables
Determine Wire Size and
Maximum Cable Length
Function, Ratings, Requirements
Terminal
Label
Terminal Block
Label
Same as (Universal)
INn
Note:
Use 3-wire cable for
devices that source
power from the +15V
terminal.
15 VDC Power Source
for active (3-wire) input devices
connected to the Universal IN
n
terminals.
Provides 100 mA total current
+15 V
UNIVERSAL
(Inputs)
See Guideline
A
in
Table 3
.
Analog Input - Voltage Mode (0–10 VDC)
10 VDC maximum input voltage
Internal 75k ohm Pull-down
INn
See Guideline
B
in
Table 3
.
Analog Input - Current Mode (4–20 mA)
Internal 100 ohm load impedance
See Guideline
A
in
Table 3
.
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
Table 3
.
Binary Input - Dry Contact Maintained Mode
1 second minimum pulse width
Internal 12 V. 15k ohm pull up
Same as (Universal)
INn
Universal Input Common
for all Universal Input terminals
Note:
All Universal ICOM
n
terminals share a common,
which is isolated from all other commons.
ICOMn
10
FX-PCX37 Expansion Input/Output Module Installation Instructions
