Allen-Bradley 1757-SRM Safety Relay Module

Series#: AllenBradley

Product Details

1757-SRM ALLEN-BRADLEY – High-performance control module for industrial automation systems.
Designed for reliable process control in critical applications, ensuring uptime and precision.
Supports flexible integration with Allen-Bradley Logix platforms for seamless operation.
Robust construction for harsh environments, with extended temperature and vibration tolerance.
Ideal for discrete and process manufacturing, including oil & gas, chemical, and automotive sectors.

Specification

The 1757-SRM ALLEN-BRADLEY is a specialized control module engineered for high-reliability industrial automation. It serves as a critical component in distributed control systems (DCS) and programmable logic controller (PLC) networks, offering advanced processing capabilities and deterministic performance. This module is optimized for real-time data acquisition, logic execution, and communication with I/O subsystems. Its design ensures compatibility with legacy and modern Allen-Bradley architectures, making it a versatile choice for system upgrades and new installations. With built-in redundancy support and diagnostic features, the 1757-SRM minimizes downtime and simplifies maintenance in demanding environments such as refineries, power plants, and assembly lines.

Specification	Details
Product Family	1757 Series – ControlNet Interface Module
Model	1757-SRM (Standard Models)
Communication Protocol	ControlNet (Coaxial or Fiber Media Supported)
Processor Type	32-bit RISC Microcontroller
Memory	4 MB Flash / 512 KB SRAM (Expandable via Optional Modules)
I/O Capacity	Up to 256 Digital I/O Points or 128 Analog I/O Points
Scan Rate	5 ms to 50 ms (Configurable per Application)
Power Supply	24 VDC (18-30 VDC Range), 500 mA Max
Operating Temperature	0°C to 60°C (32°F to 140°F)
Storage Temperature	-40°C to 85°C (-40°F to 185°F)
Humidity	5% to 95% Non-Condensing
Vibration Resistance	5 g Standard Models 10-500 Hz (Operational)
Shock Resistance	30 g, 11 ms Duration
Enclosure Rating	IP20 (Open Style, Panel Mount)
Dimensions (H x W x D)	130 mm x 45 mm x 115 mm (5.1 in x 1.8 in x 4.5 in)
Weight	0.4 kg (0.88 lbs)
Certifications	CE, UL 508, CSA, ATEX (Zone 2 Optional)
Diagnostics	LED Status Indicators for Power, Network, and Fault Conditions
Redundancy Support	Yes, via Dual Media or Hot-Standby Configuration