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Short description
I/O module 8 digital outputs 24 VDC for 1-wire connections
General information
B&R ID code 0x22EB
Status indicators I/O function per channel, operating state, module status
Diagnostics
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 0.9 W
Additional power dissipation caused by actuators (resistive) [W] +0.56
Certifications
CE Yes
KC Yes
EAC Yes
UL cULus E115267
Industrial control equipment
HazLoc cCSAus 244665
Process control equipment
for hazardous locations
Class I, Division 2, Groups ABCD, T5
ATEX Zone 2, II 3G Ex nA nC IIA T5 Gc
IP20, Ta (see X20 user's manual)
FTZÚ 09 ATEX 0083X
Digital outputs
Variant FET negative switching
Nominal voltage 24 VDC
Switching voltage 24 VDC -15 % / +20 %
Nominal output current 2 A
Total nominal current 8 A
Connection type 1-wire connections
Output circuit Sink
Output protection Thermal cutoff if overcurrent or short circuit occurs (see value "Peak short circuit current")
Internal inverse diode for switching inductive 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 switched off 75 µA
RDS(on) 35 mΩ
Peak short-circuit current <24 A
Switch-on in the event of overload shutdown or short-circuit shutdown Approx. 10 ms (depends on the module temperature)
Switching delay
0 → 1 <300 µs
1 → 0 <500 µs
Switching frequency
Resistive load Max. 500 Hz
Inductive load See section "Switching inductive loads"
Braking voltage when switching off inductive loads Typ. 50 VDC
Isolation voltage between channel and bus 500 V<sub>eff</sub>
Additional functions To increase the output current, outputs can be switched in parallel
Electrical properties
Electrical isolation Channel isolated from bus
Channel not isolated from channel
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
Temperature
Operation
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
Spacing 12.5<sup>+0.2</sup> mm
Material number:
X20DO8331
Description:
  • 8 digital outputs with 2 A
  • Sink connection
  • 1-wire connections
  • Power feed integrated in the module
  • Integrated output protection

The module is equipped with 8 outputs for 1-wire connections. The rated output current is 2 A.

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.

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
V2.7 HW Upgrade (X20DO8331) EXE / 1 MB
V2.7 HW Upgrade (X20DO8331) EXE / 1 MB
V3.0 HW Upgrade (X20DO8331) EXE / 2 MB
V3.0 HW Upgrade (X20DO8331) EXE / 2 MB
V4.0 HW Upgrade (X20DO8331) EXE / 951 KB
Certificates Version (Date) Download
244665 CSA HazLoc Certificate of Compliance X20, X67 PDF / 56 KB
E115267 UL CoC X20 PDF / 825 KB
FTZU 09 ATEX 0083X PDF / 697 KB
Documentation Version (Date) Download
Data sheet X20(c)DO8331 PDF / 289 KB
X20 System User´s Manual PDF / 50 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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