Item Description
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.
Length Specifies the number of registers to be written to.
The value of the parameter depends on the function code.
12. Select the "Initialize Modbus Slave
" tab.
Slave devices can be initialized.
Slave initialization is executed once when a slave is activated at the time of startup or RUN
mode. Click the [New] button and enter information for channels to be used. Up to 20
commands can be added for each device.
List of access types (function codes)
Code Access type Description
5 Write Single Coil Writes to single coil
6 Write Single Register Writes to single register
15 Write Multiple Coils Writes to multiple coils
16 Write Multiple Registers Writes to multiple registers
13. Select the "ModbusGenericSerialSlave I/O Mapping
" tab.
13.3 MODBUS
13-36 WUME-GM1RTXOP-01
To Next Page
Loading...
