Obsolete instruction
Use this instruction to write data to a slave from a master via the serial port (COM1 or COM2). Both master and slave must be configured in Modbus RTU master/slave mode. The slave will automatically be enabled to handle Modbus commands 05, 06, 15 and 16, i.e. you do not need to configure the slave.
This instruction is allowed to be compiled because of the down-compatibility to lower versions but cannot be selected in the “Instructions” pane anymore. It will be replaced by: