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Short description
Bus module X20 Compact-S CPU base - backplane for Compact-S CPU and Compact-S CPU power supply module
Interfaces 1x RS232 connection, 1x CAN bus connection
General information
B&R ID code 0xEB09
Power consumption
Bus 0.55 W
Internal I/O -
Additional power dissipation caused by actuators (resistive) [W] -
CE Yes
UL cULus E115267
Industrial control equipment
DNV GL Temperature: <strong>B</strong> (0 - 55°C)
Humidity: <strong>B</strong> (up to 100%)
Vibration: <strong>B</strong> (4 g)
EMC: <strong>B</strong> (bridge and open deck)
KR Yes
I/O power supply
Nominal voltage 24 VDC
Permissible contact load 10 A
Electrical properties
Electrical isolation Bus, CAN bus and RS232 not isolated from each other
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 -
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 Left and right X20 end cover plates included in delivery
Spacing 37.5 <sup>+0.2</sup> mm
Material number:
  • Base for all X20 Compact-S CPUs
  • RS232 connection
  • CAN bus connection
  • Integrated terminating resistor for CAN bus

The bus module is the base for all X20 Compact-S CPUs.

The left and right end plates are included in the delivery.

Automation Studio HW Upgrades Version (Date) Download
V4.3 HW Upgrade (X20BB57) EXE / 727 KB
Certificates Version (Date) Download
DNV GL Type Approval Certificate - X20 / Power Panel T30 PDF / 171 KB
E115267 UL CoC X20 PDF / 825 KB
KR Type Approval Certificate MIL39390-AC003 (X20 System) PDF / 758 KB
Documentation Version (Date) Download
Data sheet X20BB57 PDF / 129 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 X20BB2x/5x ZIP / 920 KB

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