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Short description
I/O module 8 digital outputs for switching electromechanical loads, current monitoring, switching time detection, pulse width modulation
General information
B&R ID code 0x1D43
Status indicators I/O function per channel, operating state, module status
Module run/error Yes, using status LED and software
Outputs Yes, using status LED and software (output error status)
Power consumption
Bus 0.01 W
Internal I/O 1 W (Rev. ≥ G0), 1.5 W (Rev. < G0)
Additional power dissipation caused by actuators (resistive) [W] -
CE Yes
ATEX Zone 2, II 3G Ex nA nC IIA T5 Gc
IP20, Ta (see X20 user's manual)
FTZÚ 09 ATEX 0083X
UL cULus E115267
Industrial control equipment
HazLoc cCSAus 244665
Process control equipment
for hazardous locations
Class I, Division 2, Groups ABCD, T5
KC Yes
Digital outputs
Nominal voltage 24 VDC
Nominal output current 0.6 A
Total nominal current 4.8 A
Connection type 1-wire connections
Output circuit Sink
Output protection Thermal cutoff if overcurrent or short circuit occurs, integrated protection for switching inductances
Pulse width modulation
Period duration 1 ms (1 kHz) or 20 µs (50 kHz)
Pulse duration 0 to 100 %
Resolution for pulse duration 1%
Inrush current Max. 2 A for max. 25.5 ms
Braking voltage when switching off inductive loads 39 VDC
Reverse polarity protection No (must be protected externally)
Output voltage
Minimum 18 VDC
Nominal 24 VDC
Maximum 42 VDC
Electrical properties
Electrical isolation
Channel isolated from bus

Channel not isolated from channel and I/O power supply
Operating conditions
Mounting orientation
Horizontal Yes
Vertical Yes
Installation elevation above sea level
0 to 2000 m No limitations
>2000 m Reduction of ambient temperature by 0.5°C per 100 m
Degree of protection per EN 60529 IP20
Ambient conditions
Horizontal mounting orientation 0 to 60°C (Rev. ≥ G0); 0 to 55°C (Rev. < G0)
Vertical mounting orientation 0 to 50°C
Derating -
Storage -25 to 70°C
Transport -25 to 70°C
Relative humidity
Operation 5 to 95%, non-condensing
Storage 5 to 95%, non-condensing
Transport 5 to 95%, non-condensing
Mechanical properties
Note Order 1x X20TB12 terminal block separately
Order 1x X20BM11 bus module separately
Pitch 12.5+0.2 mm
Material number:
  • 8 digital outputs
  • Current trace
  • Switching time detection
  • Pulse width modulation

The module has digital outputs for switching electromechanical loads (e.g. valves, relays) and additional functions.

Mandatory Accessories
Bus modules
X20BM11 X20 bus module, 24 VDC keyed, internal I/O supply continuous
X20BM15 X20 bus module, with node number switch, 24 VDC keyed, internal I/O supply continuous
Terminal blocks
X20TB12 X20 terminal block, 12-pin, 24 VDC keyed
Automation Studio HW Upgrades Version (Date) Download
V2.6 HW Upgrade (X20CM8323) EXE / 606 KB
V2.6 HW Upgrade (X20CM8323) EXE / 2 MB
V3.0 HW Upgrade (X20CM8323) EXE / 605 KB
V3.0 HW Upgrade (X20CM8323) EXE / 3 MB
V4.0 HW Upgrade (X20CM8323) EXE / 2 MB
Certificates Version (Date) Download
E115267 UL CoC X20 PDF / 847 KB
FTZU 09 ATEX 0083X PDF / 697 KB
Safe cutoff of potential groups PDF / 147 KB
X20, X67 KC certificates PDF / 6 MB
Documentation Version (Date) Download
Data sheet X20CM8323 PDF / 478 KB
X20 System User´s Manual PDF / 56 MB
E-CAD (Electro or EPLAN Templates) Version (Date) Download
X20 EPLAN P8 from V2.4 EXE / 161 MB
M-CAD (Mechan. Templates) Version (Date) Download
3D File DXF/STEP X20 Electronic module ZIP / 10 KB
3D File STEP X20 I/O-Slice ZIP / 872 KB
Dimensions PDF X20 Electronic module PDF / 3 KB

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