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On Jun 5, 2025

1104975 Specialist Controller by Phoenix – Safety & I/O

1104975 Specialist Controllers PSR-M-B2-SDI8-SDO4-DO4-PI by Phoenix Contact – Reliable Safety and Control for Industrial Systems

The Specialist Controllers 1104975 by Phoenix Contact is a high-reliability programmable safety controller designed for precise control, safety monitoring, and rapid response in complex Industrial Automation environments. As part of Phoenix Contact’s PSR series, it delivers efficient integration of safety logic and I/O control in a compact form factor. Designed for flexible deployment, it is a preferred solution for engineers working on modern Electromechanical systems that require intelligent, high-speed safety response.

In this blog, we’ll cover the technical specifications, features, use cases, wiring details, and how to purchase this advanced member of the Specialist Controllers family from Xon Electronics.

Technical Specifications of 1104975 PSR-M-B2-SDI8-SDO4-DO4-PI

Manufacturer: Phoenix Contact
Part Number: 1104975 (PSR-M-B2-SDI8-SDO4-DO4-PI)
Category: Electromechanical, Industrial Automation, Controllers, Specialist Controllers
Input Channels: 8 safety digital inputs
Output Channels: 4 safety digital outputs, 4 standard digital outputs
Communication Interface: PROFIBUS DP
Housing Type: DIN rail-mountable, compact profile
Logic Type: Programmable safety logic
Power Supply: 24 V DC
Operating Temperature: -25°C to +55°C
Certifications: SIL 3, PLe (EN ISO 13849-1), CE, UL
Use Case: Safety control for machinery, robotics, conveyor systems, and plant automation

This controller is purpose-built for high-performance safety integration in next-generation Electromechanical and Industrial Automation infrastructures.

Key Features of 1104975 Specialist Controller by Phoenix Contact

Integrated Safety and Control – Combines standard and safety I/O in one unit
PROFIBUS Connectivity – Enables seamless communication in fieldbus architectures
Compact and Modular – DIN-rail mountable, saves space in control cabinets
Advanced Diagnostics – Real-time fault detection and event logging
Flexible Programming – Easily configurable for a wide range of automation needs

These standout attributes position the 1104975 among the most dependable Specialist Controllers in the industrial safety controller segment.

Applications of 1104975 PSR-M-B2-SDI8-SDO4-DO4-PI Controller

The controller is ideal for safety-critical and automation-centric applications, such as:

Industrial Conveyor and Packaging Lines
Robotic Arm Motion Control
Automated Press Machines
Material Handling and Sorting Equipment
Process Plant Emergency Stop Systems
Machine Guarding and Access Control

Engineers trust Phoenix Contact’s Controllers to support high-speed safety actions and reliable communication across integrated Industrial Automation environments.

Wiring and Connection Overview

Installation and integration of the 1104975 Specialist Controller include:

Mounting: Snap-fit onto a standard DIN rail
Power Connection: 24V DC input terminal
Input/Output Terminals: Clearly labeled safety and standard I/O terminals
Fieldbus Interface: PROFIBUS connection for seamless field integration
Wiring Guidelines: Use shielded cables for I/O and communication lines; ensure grounding for safety compliance

This modular safety controller is engineered for easy deployment across a wide variety of Electromechanical safety applications.

Use Case Scenario: Packaging Plant with Emergency Stop Monitoring

Scenario: A high-speed automated packaging plant required a compact controller that could monitor multiple emergency stops, light curtains, and access gates—while also providing standard output control for alarms.

Problem: Their existing controller lacked integrated safety logic and required multiple separate modules.

Solution: The team implemented the 1104975 Specialist Controllers PSR-M-B2-SDI8-SDO4-DO4-PI for its combined safety and standard I/O control features.

Result: Reduced cabinet space, simplified wiring, and faster response to safety events—driving improved uptime and compliance in their Industrial Automation workflow.

Download Datasheet for 1104975 PSR-M-B2-SDI8-SDO4-DO4-PI

Need I/O diagrams, PROFIBUS configuration details, or programming support?

Download 1104975 Datasheet from Xon Electronics

Get the essential documentation for deploying this powerful member of the Specialist Controllers family in your safety-critical Controllers setup.

Why Buy from Xon Electronics?

Xon Electronics is your trusted global distributor for Phoenix Contact Electromechanical products and Controllers, including:

100% Original Phoenix Contact Products
Worldwide Shipping – USA, India, Australia, Europe & more
Bulk, OEM & Engineering Support
Technical Consultation for Integration
Secure Online Ordering Platform

Visit www.xonelec.com to purchase top-tier Specialist Controllers and other industrial-grade Industrial Automation solutions.

Conclusion

The 1104975 Specialist Controllers PSR-M-B2-SDI8-SDO4-DO4-PI by Phoenix Contact are compact, reliable, and purpose-built for safety and standard I/O control. Designed for dynamic Industrial Automation systems, this controller helps improve operational safety, reduce wiring complexity, and simplify compliance with industry standards.

Now available at Xon Electronics—your trusted supplier for advanced Controllers, high-performance Electromechanical modules, and future-ready Specialist Controllers for industrial control environments.