1757-SRM 2

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Overview of Allen-Bradley 1757-SRM-2

The Allen-Bradley 1757-SRM-2 is a System Redundancy Module designed to synchronize a secondary ControlLogix or ProcessLogix controller with a primary controller across two separate chassis. This redundancy module helps ensure continuous system availability by enabling seamless controller switchover in case of primary controller failure.

Key Features

  • Provides controller redundancy for high system uptime
  • Synchronizes secondary controller to primary controller in real-time
  • Supports ProcessLogix and ControlLogix systems
  • Operates using multi-mode fiber-optic cable with SC-type connectors
  • Single transmit and receive fiber channel, 1300 nm wavelength
  • Operating temperature range: 0 to 60 °C (32 to 140 °F)
  • Power dissipation: max 11.28 W
  • Backplane current: 0.160 A @ 24 V DC
  • Open style module, requires two slots in ControlLogix chassis
  • Supports cable lengths from 1 m to 100 m with available redundancy cables
  • Dimensions: approximately 145 x 70 x 140 mm (5.71 x 2.76 x 5.51 inches)
  • Weight approximately 0.45 kg (14.53 oz)

Technical Specifications

Model 1757-SRM-2
Module Type System Redundancy Module
Compatibility ProcessLogix and ControlLogix
Communication Multi-mode fiber-optic, SC-type connectors
Channels 1 transmit and 1 receive fiber
Wavelength 1300 nm
Operating Temperature 0 to 60 °C
Power Dissipation 11.28 W max
Backplane Current 0.160 A at 24 V DC
Dimensions (HxWxD) 145 x 70 x 140 mm (5.71 x 2.76 x 5.51 in.)
Weight 0.45 kg (14.53 oz)
Slot Width 2 Slots

Applications

The 1757-SRM-2 is used in highly critical industrial automation systems where downtime is unacceptable, providing seamless failover between redundant controllers to maintain process continuity. It is ideal for applications in process control, manufacturing, and other high-availability environments utilizing ControlLogix or ProcessLogix architectures.

1757-SRM 2

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Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

What is the condition of the product?

All products sold are New & Unused.

How fast is shipping?

All products are delivered within 2-8 business days depending on our stock location.

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