Hitachi MICRO-EHV+ Applications Manual page 105

Chapter 3 Programming
Open "Modbus Slave Channel" tab and click "Add Channel..." to add function codes.
Configure each parameter as below. If the Trigger setting is "Rising edge", trigger variable (BOOL) will be
automatically assigned in %QX address.
Data of Modbus will be assigned to %IW or %QW as seen in "ModbusGenericSerialMaster I/O Mapping" tab.
Read data from slave is assigned to input area (%IW) and data to be written to slave is assigned to output area
(%QW)
3 – 45