Prosoft Modbus Master/Slave Communication Module MVI56E-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.
Prosoft Modbus Master/Slave Communication Module MVI56E-MCMR
- Extended Product Type : ASCII
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- Product ID: MVI56E-MCMR
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- Prosoft Type Designation : ASCII
Features and Benefits
Backward Compatibility
- All MVI56E products are backward-compatible allowing direct replacement of earlier MVI56 modules without the need to change existing controller programs
- Enjoy Enhanced features and flexibility without incurring expensive reprogramming costs
Reduced Data Block
- Reduced Data Block implementation requires less backplane/network bandwidth
- Smaller data blocks are easier to schedule and transfer on ControlNet networks
- Ideal solution for remote chassis installations using ControlNet and redundant controllers
CIPconnect-enabled
- ProSoft Configuration Builder software (PCB), with CIPconnect, facilitates remote user access across the ControlLogix backplane through Rockwell Automation’s 1756-ENBT module
- Configure, diagnose, and analyze process data and communications status
- CIPconnect can bridge through multiple ENBT/CNBT links to connect to MVI56E-MCMRs installed in remote chassis for configuration and diagnostics
4-digit LED display
- See critical configuration and status information without having to hook up to the ports
Specification
- Backward-compatible with previous MVI56-MCMR version
- Single Slot – 1756 ControlLogix® backplane compatible
- 10/100 MB Ethernet port for configuration with Auto Cable Crossover Detection
- User-definable module data memory mapping of up to 5000 16-bit registers
- CIPconnect®-enabled network configuration and diagnostics monitoring using ControlLogix 1756-ENxT modules and EtherNet/IP® pass-thru communications
- Sample Ladder Logic or Add-On Instruction (AOI) used for data transfers between module and processor
- 4-character scrolling LED display of status and diagnostic data in plain English
- ProSoft Discovery Service (PDS) software finds the module on the network and assigns a temporary IP address to facilitate module access and configuration
- Personality Module (non-volatile CF card) to store all configuration settings, allowing quick in-the-field product replacement by transferring the CF card
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