Description
The MVI69E-MBS module provides Modbus Serial connectivity, enabling communication between CompactLogix™ processors and various Modbus devices. It includes an Add-On Profile and Add-On Instruction to simplify commissioning and integration into the CompactLogix system.
Specifications
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Ports: Two serial ports, each configurable as Master or Slave
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Communication Parameters:
- Baud Rate: 110 to 115K baud
- Stop Bits: 1 or 2
- Data Size: 7 or 8 bits
- Parity: None, Even, Odd
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Modbus Modes:
- RTU mode (binary) with CRC-16
- ASCII mode with LRC error checking
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Command List:
- Up to 250 commands per Master port
- Fully configurable for function, slave address, register addressing, and word/bit count
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Power Supply: 500 mA max @ 5V DC
Features
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Add-On Instruction:Creates UDTs (User-Defined Types) for logical definitions of I/O, status, and control data
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Diagnostic Data:Accessible in processor controller tags for monitoring node health
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Module Configuration:Configuration stored in the CompactLogix project (ACD file)
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Floating Point Data:Supports Enron and Daniel-style floating point implementations
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SCADA and Field Device Interface:Ideal for SCADA and field device interface applications
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Polling:Configurable polling of command list (continuous or on change of state)
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Error Codes:Provided on a per-command basis for easier troubleshooting
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