Configuring the MVI56E-MCMR Module
MVI56E-MCMR ♦ ControlLogix Platform
User Manual
Modbus Communication Module with Reduced Data Block
Page 54 of 223
ProSoft Technology, Inc.
The sample configuration values configure the module database to store
W
RITE
D
ATA
[0
to
599]
in registers 0 to 599, and
R
EAD
D
ATA
[0
TO
599]
in registers
1000 to 1599, as shown in the following illustration.
Important: If you need to configure different values for the Read Register Count and Write
Register Count parameters, you must also configure the same values in the user-defined data type
MCMRData in the sample program (page 37).
2.3.3 Port Configuration
The
M
ODBUS
P
ORT X
configuration parameters are used when the module is
configured as a Modbus Master device. Port 1 and Port 2 each have their own
set of configuration parameters.
Note: Any changes made within the configuration file must be downloaded to the MVI56E-MCMR
module from ProSoft Configuration Builder.
In ProSoft Configuration Builder, expand the
MVI56E-MCMR
node, and then
expand the
MCM
P
ORT
1
node. Double-click the
M
ODBUS
P
ORT
1
icon. In the
E
DIT
-
M
ODBUS
P
ORT
1
dialog box, click to highlight the
Type
parameter, and then
select
M
ASTER
from the dropdown list.
