Description
Allen-Bradley 1756-RM2
Description: The Allen-Bradley 1756-RM2 is a ControlLogix Redundancy Module. This module enables Controller Redundancy by pairing with another 1756-RM2 from the other ControlLogix chassis. It supports up to 1000 Mbps synchronization speed and Controller switchover of 20 ms. This module is compatible with ControlLogix Controllers 5560 and 5570.
Technical Specifications for 1756-RM2
| Manufacturer | Rockwell Automation |
| Brand | Allen-Bradley |
| Part Number/Catalog No. | 1756-RM2 |
| Series | ControlLogix |
| Module Type | Enhanced Redundancy Module |
| Connector | LC Type |
| Cable Type | 8.5/125 micron single-mode fiber-optic cable |
| Connector Cables | 1756-RMC1, 1 m (3.28 ft); 1756-RMC3, 3 m (9.84 ft);1756-RMC10, 10 m (32.81 ft) |
| Supported Controllers | Logix 5560 /Logix 5570 |
| Length | 10 kilometers |
| Wavelength | 1310 Newton Meters |
| Transmission | 1000 MB per Second |
| Channels | 1 |
| UPC | 884951800434 |
| UPC | 884951800434 |
| Wire Size | 20 AWG |
| Dimensions | 5.51 x 4.41 x 5.71 inches |
| Operating Temperature | 32-140 Fahrenheit (0-60 Celsius) |
| Enclosure | None |
The Allen-Bradley 1756-RM2 is a ControlLogix Redundancy Module. It has enhanced features with speeds of up to 1000 Mbps. When paired with 1756-L7x controllers in both chassis, it gives the best scan performance. For cross loading, the 1756-RM2 uses redundant fiber ports with no single point of failure. During channel switchover, the processing chassis remains synched while the scan time may encounter a delay of around 10 ms. It has enhanced safety features with interference-free diagnostics. The 1756-RM2 redundancy module draws 1.16 A current at 5.1V DC and 3.4 mA at 24V DC. It has a maximum power dissipation of 6W and a thermal dissipation of 21 BTU/hr. It can be installed in any slot in a ControlLogix chassis. The 1756-RM2 weighs 0.64 lbs. and it has an open enclosure. For communication, it supports up to seven enhanced ControlNet and EtherNet/IP communication modules. For wiring, the 1756-RM2 supports 1756-RMC1, 1756-RMC3 and 1756-RMC10 cable with 1m, 3m and 10m lengths respectively.
1756-RM2
1756-RM2
One year warranty, special discount after sale
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Allen-Bradley Related Products
| 1747-ACNR15 | 1756-L55 |
| 1747-ASB | 1756-L55M13 |
| 1747-BA | 1756-L55M14 |
| 1747-C10 | 1756-L55M16 |
| 1747-CP3 | 1756-L55M23 |
| 1747-DCM | 1756-L55M24 |
| 1747-FC | 1756-L61 |
| 1747-KE | 1756-L61/B |
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