9 Application Instructions API 150-199 M1002 Set communication protocol as 9600,8,E,1 Retain communication setting Set communication timeout as 100ms M1320 = OFF ASCII mode M1320 = ON RTU mode X0 X0 Sending request Data length: K2 Datat register: D50 = H1770, D51=H12 Data address: H2000 Function Code: K16 Write in multiple Word data M1318 Receiving completed Connection device address: K1 Received data ASCII mode: No processing on received data . RTU mode: No processing on received data . Reset M1318 ASCII mode (COM3: M1320 = OFF, COM1: M1139 = OFF): PLC VFD-B, PLC sends:
“01 10 2000 0002 04 1770 0012 30” When X0 = ON, MODRW executes the function specified by Function Code H10 VFD PLC, PLC receives: “01 10 2000 0002 CD” (No processing on received data) RTU Mode (COM3: M1320=On, COM1: M1139=On): When X0 = ON, MODRW executes the function specified by Function Code H10 PLC VFD-B,PLC sends: “ 0 1 10 2000 0002 04 1770 0012 EE 0C” VFD-B PLC, PLC receives : ” 01 10 2000 0002 4A08 ” (No processing on received data) DVP-PLC Application Manual 9-27 MOV H87 D1109 SET M1136 MOV K100 D1252 RST M1320 SET M1320 SET M1316 MODRW K1 K16 H2000 D50 K2 RST M1318