Procedures
MVI56E-MNETC ♦ ControlLogix Platform
Setup Guide
Modbus TCP/IP Multi Client Enhanced Communication Module
Page 42 of 72
ProSoft Technology, Inc.
April 18, 2011
Configuring the Modbus Client Write Command
The Modbus Write Command will write data from the MVI56E-MNETC module to
the Quantum processor as follows.
MVI56E-MNETC Database Address
Quantum Memory Address
0
400401
1
400402
2
400403
3
400404
4
400405
5
400406
6
400407
7
400408
8
400409
9
400411
In the sample configuration, a Modbus Write Command is present, but disabled.
To enable this command, change the
E
NABLE
field from No to
Y
ES
,
as shown in
the following illustration.
Notes:
Func 16 represents Modbus Function Code 16, the command code to Preset (Write) Holding
Registers
The
D
EV
A
DDRESS
parameter is 0-based so 400 = 400401, 401 = 400402, and so on.
The
E
NABLE
code must be set to 1 to enable the command (0 = disable).
The destination Slave node address must be set as 1 (Node parameter)