MVI56-MCMR Prosoft ControlLogix Enhanced Modbus Master/Slave Communications Interface Module with Reduced Data Block

MVI56-MCMR

The MVI56E-MCMR Enhanced Modbus Master/Slave Communication Module with Reduced Data Block allows Rockwell Automation® ControlLogix® processors to easily interface with devices using the Modbus RTU/ASCII serial communications protocol. Compatible devices include a wide variety of instruments, process measurement devices, popular brands of programmable logic controllers (PLCs) and programmable automation controllers (PACs).

The MVI56E-MCMR acts as an input/output module on the ControlLogix backplane, making Modbus data appear as I/O data to the processor. Backplane data transfers to and from the processor are asynchronous from communications on the Modbus network. Two independently-configurable serial ports can operate on the same or different Modbus networks. Each port can be configured as a Modbus Master or Slave, sharing the same user-controlled 5000-word database.

The MVI56E-MCMR utilizes a reduced Input/Output (I/O) data block for transferring data to and from a ControlLogix processor. This reduced data block makes it ideal for use in remote rack applications over ControlNetTM. For EtherNet/IPTM applications

where bandwidth is not an issue, it is strongly recommended to use the MVI56E- MCM.

Features and Benefits

Functional Specifications

• Supports Enron version of Modbus protocol for floating-point data transactions
• PCB includes powerful Modbus network analyzer
• Special functions (command control, event commands, status, and so on) aresupported by message transfer (unscheduled) using the MSG instruction
• Error codes, network error counters, and port status data available in user data memory

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Moore Automation is a company specializing in the sales of modules and spare parts for world-renowned brands (DCs systems, robot systems, large servo control systems). The company's products include: distributed control systems (DCS), programmable controllers (PLC), MOTOROLA -MVME industrial modules, industrial control communication converters (Anybus), remote output/input modules (RTU), industrial computers (PC), industrial low-frequency screens (IPC), human-machine interface SCSI (50, 68, 80Pin ) AnyBus(Gateway)o The spare parts we sell provide one-year quality guarantee and have undergone strict testing and certification. Now we have become a global sales enterprise of industrial automation spare parts and components.