ProSoft Technology MVI56E-MCMR - Manual (Page 157)

MVI56E-MCMR ♦ ControlLogix Platform Reference
Modbus Communication Module with Reduced Data Block User Manual
ProSoft Technology, Inc. Page 157 of 225
May 13, 2014
Block Request from Processor to Module
Word Offset Definitions
0 Enable (must be set to 1)
1 Internal DB Address (0-4999)
2 Poll Interval (set to 0)
3 Count (1-125, or maximum supported by the target Slave device)
4 Swap (0, 1, 2, or 3)
5 Device (Modbus Slave Device Address Number of target Slave)
6 Function (Modbus Function Code: 1, 2, 3, 4, 5, 6, 15, or 16)
7 Device Address (0-9999, address offset in target Slave database)
8 Reserved (set to 0)
9 Reserved (set to 0)
Refer to Master Command Configuration (page 60) for a detailed definition of the
fields contained in this block. They are the same as those used in constructing
the commands in ProSoft Configuration Builder (PCB) in the M
ODBUS P ORT 1
C OMMANDS or M ODBUS P ORT 2 C OMMANDS lists.
The Send Event Command message uses the following parameters in the MSG
configuration: