General Information
Manufacturer: B&R Industrial Automation (ABB Group)

Series: X20 System (Modular I/O Platform)

Model: X20PS9100

Type: System Power Supply Module

Key Electrical Parameters
Input Voltage Range:

24V DC nominal (typical industrial supply)

Permissible range: 19.2V - 30V DC

Output Voltage:

5V DC (for X20 backplane bus power)

Stabilized and filtered for reliable module operation

Current Ratings:

Max. Output Current (5V): 4A (20W total power)

Efficiency: >85% (typical for industrial PSUs)

Protection Features:

Overload/short-circuit protection (auto-reset or latch mode)

Reverse polarity protection (on input side)

Overvoltage protection (for connected modules)

Mechanical & Environmental
Housing: Compact, DIN-rail mountable

Dimensions (W×H×D): Approx. 30mm × 100mm × 70mm (standard X20 module width)

Operating Temperature: -20°C to +60°C (with derating above 40°C)

Storage Temperature: -40°C to +85°C

Humidity: 5% - 95% (non-condensing)

Protection Class: IP20 (for enclosure use)

Functional Characteristics
Hot-swappable: Can be replaced without system shutdown

LED Indicators:

Power OK (green)

Fault (red)

Backplane Power Distribution:

Supplies 5V to all X20 I/O modules in the local segment

Supports up to 12 slots (typical X20 station size)

Compatibility & Integration
Works with: All X20 I/O modules (digital, analog, communication)

Requires: 24V DC input (from industrial PSU or UPS)

Configuration: No software setup needed (plug-and-play)

Typical Applications
Centralized power supply for X20 I/O stations

Machine control cabinets (CNC, packaging, robotics)

Process automation systems