Products Description
B&R X20PS9400 Bus Controller Power Supply Module

Technical Specifications
Model:X20PS9400
Brand:B&R
Input voltage:24VDC(-15% / +20%)
Max input current:0.7A
Nominal output power:7W for bus controller and X2X‑Link
Service interface:RS232,115.2kbit/s
Protection:reverse polarity protection,built‑in non‑replaceable fuse
Operation mode:Supports parallel connection for redundant power supply
Galvanic isolation:Galvanic isolation between bus controller/X2X‑Link supply and internal circuit
Power consumption:1.42W
Protection class:IP20
Horizontal operating temperature:‑25℃ ~ +60℃
Vertical operating temperature:‑25℃ ~ +50℃
Storage temperature:‑40℃ ~ +85℃

Built‑in function
X20PS9400 power supply module provides power for X20 bus controller,X2X‑Link bus and station internal I/O electronics. RS232 service interface supports local module diagnosis and parameter debugging. Parallel redundant operation improves system availability. Galvanic isolation suppresses ground‑loop interference,support local X20 station and distributed X2X‑Link remote stations deployment.
Product Brief
X20PS9400 belongs to B&R X20 I/O system family,coated variant X20cPS9400 is available for harsh environment. X20BB80/X20BB81 bus base and X20TB12 terminal block need to be ordered separately. Widely used for original B&R automation equipment maintenance and renovation. ESD anti‑static protection shall be followed during installation