8 MODBUS RTU Master-Slave
Communication
8.1 Configuration.......................................................................................8-2
8.1.1 Setting Communication Conditions.................................................. 8-2
8.2 List of MODBUS RTU Supported Commands ....................................8-3
8.2.1 List of MODBUS Function Codes .................................................... 8-3
8.3 MODBUS RTU Master Communication (RECV) ................................8-4
8.3.1 Read Data from an External Device ................................................ 8-4
8.3.2 RECV (MEWTOCOL Master / MODBUS Master)............................ 8-6
8.3.3 RECV (MODBUS Master: Function Code Specification) ................. 8-14
8.4 MODBUS RTU Master Communication (SEND) ................................8-21
8.4.1 Write Data into an External Device .................................................. 8-21
8.4.2 SEND (MEWTOCOL Master / MODBUS Master)............................ 8-23
8.4.3 SEND (MODBUS Master: Function Code Specification) ................. 8-31
WUME-FP7COM-07
8-1