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Description
| Thermal dissipation | 31 BTU per hour |
| Compatible redundanc Power supply | 1756-PA75R, 1756-PB75R, 1756-PSCA2 |
| COmpatible Standard Power supply | 1756-PA72, 1756-PA75, 1756-PB72, 1756-PB75 |
| Compatible Chassis | 1756-A4, 1756-A7, 1756-A10, 1756-A13, 1756-A17 |
| Weight | 0.29 kilograms (0.64 pounds) |
| Certification | CSA, CE, Ex, C-Tick, c-UL-us, FM and KC |
| IEC temperature code | T4 |
| Storage temperature | -40 to 85 degrees Celsius (-40 to 185 degrees Fahrenheit) |
| Operating temperature | 0 to 60 degrees Celsius (32 to 140 degrees Fahrenheit) |
| Brand | Allen-Bradley / Rockwell Automation |
| Power dissipation | 9 Watts |
| Mounting | Chassis-based, any slot |
| Current draw at 24 Volts DC | 120 milli Amps |
| Current draw at 5.1 Volts DC | 1.2 Amps |
| Current draw at 1.2 Volts DC | 4 milli Amps |
| Type | Redundancy module |
| Part Number | 1756-RM |
| Series | ControlLogix |
| UPC | 10612598345936 |
The Allen-Bradley 1756-RM is a ControlLogix Redundancy module. This module may only be used with the ControlLogix platform to enable controller redundancy. It manages connectivity of Two (2) identical controllers, installed in an identical rack of the same components and configuration. It provides redundancy system monitoring as well as module health via the embedded LED display such as PRI, COM and OK.
The 1756-RM has been released as Series A and B. Series is basically an enhancement of the previous series however, a 1756-RM with different series can co-exist in one redundant configuration. It is highly recommended to have the same series installed to achieve maximum operability of the redundancy setup. When used with the same series of redundancy module, speed of 100 Mbps is achieved.
