IMS01J02-E4
i-4
Page
6. RKC COMMUNICATION .................................................... 52
6.1 Protocol ......................................................................................................... 52
6.1.1 Polling ................................................................................................................ 52
6.1.2 Selecting ............................................................................................................ 57
6.1.3 Communication data structure ........................................................................... 60
6.2 Communication Identifier List ........................................................................ 61
6.3 Initial Setting (Extended Communication) ...................................................... 77
7. MODBUS .......................................................................... 105
7.1 Protocol ....................................................................................................... 105
7.1.1 Message format ............................................................................................... 105
7.1.2 Function code ................................................................................................... 106
7.1.3 Communication mode ...................................................................................... 106
7.1.4 Slave responses ............................................................................................... 107
7.1.5 Calculating CRC-16 ......................................................................................... 108
7.2 Message Format .......................................................................................... 111
7.2.1 Read holding registers [03H] ............................................................................ 111
7.2.2 Preset single register [06H] .............................................................................. 112
7.2.3 Diagnostics (Loopback test) [08H] ................................................................... 113
7.2.4 Preset multiple registers [10H] ......................................................................... 114
7.3 Communication Data ................................................................................... 115
7.3.1 Data configuration ............................................................................................ 115
7.3.2 Data processing precautions ............................................................................ 119
7.3.3 Communication data list ................................................................................... 120
7.4 Data Map ..................................................................................................... 150
7.4.1 Reference to data map ..................................................................................... 150
7.4.2 Data map list .................................................................................................... 151
8. FUNCTIONS ..................................................................... 164
8.1 Output Ratio ................................................................................................ 164
8.2 Speed Control .............................................................................................. 168
8.2.1 Display scale .................................................................................................... 169
8.2.2 Measuring method ........................................................................................... 170
8.2.3 Output scale ..................................................................................................... 171
8.2.4 Output limiter .................................................................................................... 171
8.2.5 Controls ............................................................................................................ 172
