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Modbus RTU Master
Holding Register Signed Integer 16-Bit

Holding Register Signed Integer 16-Bit When the data obtained from the slave device is a signed 16-bit integer (Range= -32767 to 32767), the Holding Register INT16 should be used.
SFD Level HReg SINT SFD
Internals HReg SINT Internals
Modbus Address The Modbus RTU address of the slave device on the EIA-485 network (Range= 1 to 247).
Data Address The Holding Register's offset address in the slave device. Typically, one less than specified Modbus RTU Address (e.g., to poll the data at Holding Register 40108 set the Data Address to 107).
Options Write options

The Options parameter can be used to change the properties of the write command if required by the slave device.

Use Function Code 06 instead of Function Code 16 for writes. Check this option for the ODP and ODV products.

Use Yaskawa ACCEPT/ENTER. This option must be checked for Yaskawa products.
Value The data either read from, or to be written to, the associated data address in the slave device.
Last Error The result of the last poll of the associated data address in the slave. The Last Error code can be individually cleared by clicking on this parameter and using the Reset pushbutton.
Enable Can be used to enable/disable the polling of the associated data address in the slave.

Modbus RTU Master Application Note