Panasonic GM1 - Modbus-TCP Slave Communication

READ register settings
Item Description
Offset Specifies the starting address from which read operation is to be started.
Length Specifies the number of registers to be read from.
The value of the parameter depends on the function code.
Error handling Defines data that identifies communication errors.
●
"Keep last value": Holds the last value that is read
● "Set to ZERO": Sets 0
WRITE register settings
Item Description
Offset Specifies the starting address from which write operation is to be started.
For SP15, do not specify of
fset "65535".
Length Specifies the number of registers to be written to.
The value of the parameter depends on the function code.
This completes the device object settings for the method for sending commands based on slave
initialization and the method for sending commands based on channel settings.
13.3.3 Modbus-TCP Slave Communication
This section explains how to use the Modbus-TCP slave function.
The slave function is used by setting up the device object.
1. Right-click the "LANPort1" object in the navigator pane and then select Add Device from the
context-sensitive menu that is displayed.
The "Add Device" dialog box will be displayed.
2. Select "ModbusTCP Slave Device
" under "ModbusTCP Slave Device" and click the [Add
Device] button.
13.3 MODBUS
13-28 WUME-GM1RTXOP-01