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Short description
I/O module Eight 12 VDC digital outputs for 1-wire connections
General information
B&R ID code 0xA4AD
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)
Supply voltage monitoring Yes, using software
Power consumption
Bus 0.22 W
Internal I/O -
External I/O 0.82 W
Additional power dissipation caused by actuators (resistive) [W] +4.48
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
DNV GL Temperature: B (0 - 55°C)
Humidity: B (up to 100%)
Vibration: B (4 g)
EMC: B (bridge and open deck)
KR Yes
KC Yes
Digital outputs
Variant FET positive switching
Nominal voltage 12 VDC
Switching voltage 12 VDC (-15% / +20%)
Nominal output current 2 A
Total nominal current 8 A
Connection type 1-wire connections
Output circuit Source
Output protection Thermal cutoff for overcurrent or short circuit (see value "Peak short circuit current")
Internal inverse diode for switching ind. loads (see section "Switching inductive loads")
Reverse polarity protection for supply voltage
Actuator power supply
Supply External
Fuse Required line fuse max. 10 A (slow blow)
Diagnostic status Output monitoring with 10 ms delay
Leakage current when the output is switched off 5 μA
RDS(on) 140 mΩ
Peak short-circuit current <12 A
Switch-on in the event of overload shutdown or short-circuit shutdown Ca. 10 ms (depends on the module temperature)
Switching delay
0 → 1 <300 μs
1 → 0 <300 μs
Switching frequency
Resistive load Max. 500 Hz; 600 Hz with max. 250 mA load
Inductive load See section "Switching inductive loads"
Braking voltage when switching off inductive loads Type 50 VDC
Insulation voltage between channel and bus 500 Veff
Additional functions To increase the output current, outputs can be switched in parallel
Electrical properties
Electrical isolation Channel isolated from bus 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 -25 to 60°C
Vertical mounting orientation -25 to 50°C
Derating See section "Derating"
Storage -40 to 85°C
Transport -40 to 85°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
Materiaal nummer:
  • 8 digital outputs with 2 A
  • Rated voltage 12 VDC
  • Source connection
  • 1-wire connection
  • Power feed integrated in the module
  • Integrated output protection

The module is equipped with 8 outputs for 1-wire connections. The nominal output current is 2 A and the nominal voltage is 12 VDC.

The output supply is fed directly to the module. An additional supply module is not needed. There is no connection between the module and the I/O supply potential on the bus module.

Verplichte accessoires
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 Versie (datum) Download
V2.7 HW Upgrade (X20DO8232) EXE / 1 MB
V2.7 HW Upgrade (X20DO8232) EXE / 1 MB
V3.0 HW Upgrade (X20DO8232) EXE / 2 MB
V3.0 HW Upgrade (X20DO8232) EXE / 2 MB
V4.0 HW Upgrade (X20DO8232) EXE / 952 KB
Certificaten Versie (datum) Download
244665 CSA HazLoc Certificate of Compliance X20, X67 PDF / 56 KB
ABS Type Approval Certificate - X20 IO Series PDF / 2 MB
DNV GL Type Approval Certificate - X20 / Power Panel T30 PDF / 164 KB
E115267 UL CoC X20 PDF / 847 KB
FTZU 09 ATEX 0083X PDF / 697 KB
KR Type Approval Certificate MIL39390-AC003 (X20 System) PDF / 758 KB
Lloyds Register PDF / 506 KB
Safe cutoff of potential groups PDF / 147 KB
Documentatie Versie (datum) Download
Data sheet X20DO8232 PDF / 282 KB
X20 System User´s Manual PDF / 56 MB
E-CAD (Electro of EPLAN Templates) Versie (datum) Download
X20 EPLAN P8 from V2.4 EXE / 161 MB
M-CAD (Mechan. Templates) Versie (datum) 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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