User manual

6 Connectable PLC

6.19 Modbus Master

GP/LP supports Modbus Master function and is able to connect with other Modbus Slave

devices.

6.19.1 System organization

Modbus Master protocol is available to communicate with all product which supports Modbus.

Communication configuration of Modbus Master protocol should be synchronized with to be

connected product’s communication configuration.

Modbus Master protocol supports Modbus Master01, Modbus Master02, Modbus Master03 type

and each type has their own charateriestics.

Type Characteristics

Modbus Master01

Supports single write, multi write

Supporting function: 1, 2, 3, 4, 5, 6, 15, 16

Modbus Master02

Supports only single write

Supporting function: 1, 2, 3, 4, 5, 6

Modbus Master03

Supports only multi write

Supporting function: 1, 2, 3, 4, 15, 16