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

Series: X20 System (Modular I/O Platform)

Model: X20PS9400

Type: System Power Supply Module

Function: Provides 24V DC field power to X20 I/O modules

Electrical Parameters
Input Specifications
Input Voltage Range: 24V DC nominal

Permissible Range: 19.2V – 30V DC

Input Current: ~2.5A @ 24V (typical)

Inrush Current Protection: Yes (soft-start)

Reverse Polarity Protection: Yes

Output Specifications
Output Voltage: 24V DC (stabilized)

Output Current: Up to 5A continuous (120W max)

Ripple & Noise: < 100mVpp

Efficiency: > 90% (typical)

Overload Protection: Auto-reset or latch mode (configurable)

Short-Circuit Protection: Yes (current-limited)

Power Distribution
Supplies: Up to 12 X20 I/O modules (depending on load)

Backplane Power: 5V DC (for logic circuits)

Mechanical & Environmental
Dimensions (W×H×D): 30mm × 100mm × 70mm (standard X20 width)

Mounting: DIN rail (EN 60715)

Weight: ~200g

Protection Class: IP20 (for control cabinet use)

Operating Temperature: 0°C to +60°C (derating above 40°C)

Storage Temperature: -40°C to +85°C

Humidity: 5–95% (non-condensing)

Vibration Resistance: 5g @ 10–150Hz (IEC 60068-2-6)

Shock Resistance: 15g, 11ms (IEC 60068-2-27)

Diagnostics & Indicators
LED Status Indicators:

PWR (green): Input voltage OK

OK (green): Output voltage stable

FAULT (red): Overload/short-circuit

Remote Monitoring: Via X20 bus communication

Configuration & Compatibility
Plug-and-Play: No software configuration required

Hot-Swappable: Yes (supports live insertion/removal)

Compatible With:

All X20 I/O modules (digital, analog, communication)

X20 Bus Controllers (e.g., X20BC0083)

Certifications: CE, UL, RoHS

Typical Applications
Distributed I/O power supply

Machine control cabinets

Process automation systems

Packaging & material handling

Wiring & Connections
Terminal Type: Removable screw terminal block

Wiring Diagram:

L+/L-: 24V DC input

OUT+/OUT-: 24V DC output to field devices

PE: Protective earth (ground)

Notes
Derating may apply at high ambient temperatures (>40°C).

Ensure proper ventilation to avoid overheating.

For inductive loads, additional suppression may be required.