Allen Bradley 1757-SRM System Redundancy Module

FAQ

Q1: What is the main function of the 1757-SRM?
It enables controller redundancy by synchronizing two PLC systems, ensuring continuous operation if one fails.

Q2: How many modules are required for redundancy?
Two modules are required—one installed in each chassis.

Q3: What type of communication does it use?
It uses fiber-optic communication for fast and reliable synchronization between controllers.

Q4: What cables are compatible with this module?
It supports fiber cables such as 1757-SRC1, SRC3, SRC10, SRC50, and SRC100.

Q5: How many slots does it occupy?
The module requires two slots in the ControlLogix chassis.

Q6: What controllers can be used with it?
It is typically used with Logix 5560 series controllers.

Q7: What is the operating temperature range?
It operates in industrial environments from 0 °C to 60 °C.

Q8: What are the physical size and weight?
The module measures approximately 145 mm × 70 mm × 140 mm and weighs about 0.45 kg.

1757-SRM Allen Bradley

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