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7: M
AINTENANCE
C
OMMUNICATION
S
ERVER
7-2
W
EB
S
ERVER
CPU M
ODULE
U
SER
’
S
M
ANUAL
FC9Y-B1278
Configurations for Pass-Through over Modbus RTU
Configuring Modbus RTU Master
To configure a Web server CPU module as Modbus RTU master for pass-through, enable Modbus RTU Pass-Through in
one of the eight server connections (Note 1) and configure the communication port 2 as Modbus RTU master (Note 2).
Configuring Modbus RTU Slave
To configure an FC5A MicroSmart CPU module as a Modbus RTU slave for pass-through, configure the communication
port 2 as Modbus RTU slave (Note 2).
Note1:
Only one server connection can be configured for the pass-through over Modbus RTU.
Note2:
Only port 2 can be used for the pass-through over Modbus RTU.
Programming WindLDR
Standard Maintenance Communication Server
1.
Select
Configuration
from the WindLDR menu bar, and then click
Connection Settings
.
The Function Area settings dialog box appears.
2.
Check
Enable Maintenance Communication Server
. The standard maintenance communication server is enabled.
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