A-B 1756-RM2 is a ControlLogix redundancy module produced by Allen-Bradley(Rockwell Automation).The following is a detailed introduction to the module:
1.Basic features
Model:1756-RM2
Brand:Allen-Bradley(A-B)
Type:ControlLogix redundancy module
Function:Enable controller redundancy to improve the reliability and stability of industrial automation systems
A-B 1756-RM2
2.Technical specifications
Compatibility:Compatible with ControlLogix controllers 5560 and 5570
Synchronization speed:Supports synchronization speeds up to 1000 Mbps(when using the same 1756-RM2 module);if using A series or B series 1756-RM2 combination,the speed can reach 100 Mbps
Controller switching time:Maximum controller switching can be achieved in 20 milliseconds
Current consumption:1.16 A current at 5.1V DC;3.4 mA current at 24V DC
Power consumption:Maximum power consumption is 6W
Heat dissipation:21 BTU/hr
Weight:0.64 lbs(or 0.25 kg,depending on the source)
Dimensions:178mm x 35mm x 87mm(L x W x H)
Housing:Open
Operating temperature:-20°C to 70°C
Storage temperature:-40°C to 85°C
A-B 1756-RM2
III.Features
Redundant configuration:Controller redundancy is achieved by pairing with another 1756-RM2 module,ensuring that the system can seamlessly switch to the backup controller when a single controller fails,thereby maintaining continuous operation of the system.
High-speed performance:With a synchronization speed of up to 1000 Mbps,it provides powerful network support for industrial automation applications.
No single point of failure:In the case of cross-load,redundant fiber ports are used to ensure system reliability.
Network support:Supports up to seven enhanced ControlNet and EtherNet/IP communication modules to meet a variety of network communication needs.
Easy configuration:Easily connect to PLC devices and other network devices by configuring IP addresses,opening Ethernet interfaces,setting network parameters,and configuring Ethernet modules.
IV.Application Scenarios
The A-B 1756-RM2 redundancy module is suitable for industrial automation fields that require high reliability and stability,such as the construction of industrial Ethernet networks,robot control,and intelligent manufacturing.By achieving controller redundancy,the system can be ensured to continue operating when a single controller fails,thereby improving production efficiency and reducing downtime.
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