IMR01Y51-E2
i-7
Page
10. PLC COMMUNICATION (MAPMAN) ............................... 86
10.1 PLC Communication Environment Setting .................................................. 86
10.2 Data Transfer .............................................................................................. 91
10.2.1 PLC communication data transfer ........................................................................................ 91
10.2.2 Data transfer procedures ...................................................................................................... 96
10.2.3 Data processing precautions ................................................................................................ 98
10.2.4 When set register address with Zeal .................................................................................... 99
10.3 PLC Communication Data Map ................................................................ 102
10.3.1 Reference to data map ....................................................................................................... 102
10.3.2 Data map list (COM-ML, Z-TIO and Z-DIO module)........................................................... 104
10.3.3 Data map list (Z-CT module) .............................................................................................. 113
10.4 Usage Example ........................................................................................ 114
10.4.1 Handling procedures .......................................................................................................... 114
10.4.2 System configuration .......................................................................................................... 115
10.4.3 SRZ unit setting .................................................................................................................. 117
10.4.4 Connection of loader communication ................................................................................. 118
10.4.5 Connection with PLC .......................................................................................................... 118
10.4.6 Setting of IP address, PLC communication environment setting and SRZ setting data ....... 119
10.4.7 PLC setting ......................................................................................................................... 130
10.4.8 Initial setting ....................................................................................................................... 131
10.4.9 Data setting ........................................................................................................................ 132
11. TROUBLESHOOTING .................................................... 134
12. SPECIFICATIONS .......................................................... 141
APPENDIX. HOST COMMUNICATION PROTOCOL .......... 145
A.1 Communication Requirements .................................................................... 145
A.2 RKC Communication Protocol .................................................................... 147
A.2.1 Polling procedures ............................................................................................................... 147
A.2.2 Selecting procedures ........................................................................................................... 153
A.2.3 Communication data structure ............................................................................................. 158
A.3 Modbus Protocol ......................................................................................... 160
A.3.1 Message format ................................................................................................................... 160
A.3.2 Function code ...................................................................................................................... 161
A.3.3 Communication mode .......................................................................................................... 161
A.3.4 Slave responses .................................................................................................................. 162
A.3.5 Calculating CRC-16 ............................................................................................................. 163
A.3.6 Register read and write ....................................................................................................... 166
A.3.7 Caution for handling communication data ........................................................................... 170
A.3.8 How to use memory area data ............................................................................................ 171