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Allen Bradley ControlLogix 1756-RM2XT

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1756-RM2XT

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The Allen-Bradley/Rockwell Automation 1756-RM2XT module is one of the redundancy modules that is available from the Allen-Bradley ControlLogix series. It is compatible with Allen-Bradley ControlLogix 5580 series controllers and ControlLogix 5570 series controllers. The 1756-RM2XT redundancy module has no enclosure and it meets the T4 North American temperature code, the T4 IECEx temperature code, and the T4 ATEX temperature code. Its operating temperature range is from -13 to 158 degrees Fahrenheit and its storage temperature range is from -40 to 185 degrees Fahrenheit, which means that it is suitable for environments with extreme temperatures. The 1756-RM2XT redundancy module can handle up to 30 g of operating shock and up to 50 g of non-operating shock.

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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 1756-RM2XT

ManufacturerAllen Bradley
CategoryPLCs
Product LineControlLogix
Part Number1756-RM2XT
Weight2.00 lbs (0.91 kg)
Module TypeEnhanced Redundancy Module with Extended Temperature
Length4 kilometers
Wavelength1300 Newton Meters
TransmissionLess than 1000 MB-Second
Channels1
Operating Temperature32-140 Fahrenheit (0-60 Celsius)
EnclosureNone
Wire Size20 AWG
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The Allen-Bradley 1756-RM2XT is an enhanced, extreme environment redundancy module required to build a redundant system. Working in a pair with one module in each chassis, it provides supervision for the operating states and the state transitions that are the foundations for the redundancy operations framework. With regard to safety functions, it is interference-free and ideal for use in ControlLogix SIL 2 applications. It is part of the ControlLogix Redundancy Module Series and supports the ControlLogix 5560 and ControlLogix 5570 Controller families. The 1756-RM2XT can only be used with other enhanced redundancy modules. It cannot be used with the 1756-RM/A, the 1756-RM/B, or the 1756-RMXT. The ControlLogix-XT 1756-RM2XT Redundancy Module is rated for use in extreme environments and it can withstand harsh conditions. It draws currents of 1.16 A and 3.4 mA at 5.1V DC and 24V DC power sources from the backplane. It has a maximum power dissipation of 6 W and thermal dissipation of 21 BTU/hr. It occupies one slot and can be installed on any chassis-based slot. It is compatible with the Bulletin 1756-RMC series of connector cables, and the standard 1756-PAXT and 1756-PBXT power supplies.

Revision Part #Also known as
1756-RM2XT Ser A1756-RM2XT/A, Series A, Rev A
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