ProSoft Technology MVI46-MCM User Manual
Page 58

Reference MVI46-MCM
♦ SLC Platform
User Manual
Modbus Communication Module
Page 58 of 108
ProSoft Technology, Inc.
March 29, 2011
5.1.2 Hardware
Specifications
Specification Description
Backplane Current Load
800 ma @ 5V (from backplane)
Operating Temperature
0 to 60°C (32 to 140°F)
Storage Temperature
-40 to 85°C (-40 to 185°F)
Shock
30g operational, 50g non-operational
Relative Humidity
5% to 95% (non-condensing)
Vibration
5 g from 10150 Hz
Processor
Compatible with Rockwell Automation SLC 5/02 M0/M1
capable processors or newer
LED indicators
Module status, Backplane transfer status, Application status,
Serial activity and error LED status
Debug/Configuration port (CFG)
CFG Port (CFG)
RJ45 (DB-9M with supplied cable)
RS-232 only
Configuration Connector
RJ45 RS-232 Connector (RJ45 to DB-9 cable shipped with
unit)
Application Ports
Application Serial port (PRT1,
PRT2) (Serial Modules)
Two RJ45 RS-232/422/485 Application ports
5.1.3 General
Specifications - Modbus Master/Slave
Communication parameters
Baud Rate: 110 to 115K baud
Stop Bits: 1 or 2
Data Size: 7 or 8 bits
Parity: None, Even, Odd
RTS Timing delays: 0 to 65535 milliseconds
Modbus Modes
RTU mode (binary) with CRC-16
ASCII mode with LRC error checking
Floating Point Data
Floating point data movement supported, including
configurable support for Enron, Daniel
®
, and other
implementations
Modbus Function Codes
Supported
1: Read Coil Status
2: Read Input Status
3: Read Holding Registers
4: Read Input Registers
5: Force (Write) Single Coil
6: Preset (Write) Single
Holding Register
8: Diagnostics (Slave Only,
Responds to
Subfunction 00)
15: Force( Write) Multiple Coils
16: Preset (Write) Multiple
Holding Registers
17: Report Slave ID (Slave Only)
22: Mask Write Holding
Register (Slave Only)
23: Read/Write Holding
Registers (Slave Only)