![background image](http://html1.mh-extra.com/html/rkc-instrument/z-tio-g/z-tio-g_instruction-manual_1466580006.webp)
IMS01T28-E4
i-4
Page
6. RKC COMMUNICATION ................................................... 6-1
6.1 Polling ........................................................................................................... 6-2
6.1.1 Polling procedures .................................................................................................. 6-2
6.1.2 Polling procedures example .................................................................................... 6-7
6.2 Selecting ....................................................................................................... 6-8
6.2.1 Selecting procedures .............................................................................................. 6-8
6.2.2 Selecting procedures example .............................................................................. 6-11
6.3 Communication Data Structure ................................................................... 6-12
7. MODBUS............................................................................ 7-1
7.1 Communication Protocol .............................................................................. 7-2
7.1.1 Message format ...................................................................................................... 7-2
7.1.2 Function code ......................................................................................................... 7-3
7.1.3 Communication mode ............................................................................................. 7-3
7.1.4 Slave responses ..................................................................................................... 7-5
7.1.5 Calculating CRC-16 ................................................................................................ 7-5
7.2 Register Read and Write .............................................................................. 7-8
7.2.1 Read holding registers [03H] ................................................................................. 7-8
7.2.2 Preset single register [06H] ................................................................................... 7-9
7.2.3 Diagnostics (Loopback test) [08H] ....................................................................... 7-10
7.2.4 Preset multiple registers [10H] ............................................................................ 7-11
7.3 Data Processing Precautions ..................................................................... 7-12
7.4 How to Use Memory Area Data .................................................................. 7-13
7.5 How to Use Data Mapping .......................................................................... 7-17
8. COMMUNICATION DATA LIST ........................................ 8-1
8.1 Reference to Communication Data List ........................................................ 8-2
8.2 Normal Setting Data ..................................................................................... 8-3
8.3 Engineering Setting Data .............................................................................. 8-9
8.3.1 Setting data common to Z-TIO-A/B/C/D/G ............................................................. 8-9
8.3.2 Setting parameters exclusive to Z-TIO-G module ................................................ 8-21
8.4 Memory Area Data Address ....................................................................... 8-22
8.5 Data Mapping Address ............................................................................... 8-24
8.5.1 Register address for data mapping ...................................................................... 8-24
8.5.2 Register address for data read/writes ................................................................... 8-25
8.6 Double Word Data ...................................................................................... 8-26
Summary of Contents for Z-TIO-G
Page 8: ...i 6 IMS01T28 E4 MEMO...
Page 16: ...IMS01T28 E4 1 8 MEMO...
Page 22: ...2 6 IMS01T28 E4 MEMO...
Page 34: ...4 MOUNTING 4 4 IMS01T28 E4 4 2 Dimensions Terminal type module 85 100 5 Unit mm 30 6 7...
Page 52: ...5 14 IMS01T28 E4 MEMO...
Page 82: ...7 18 IMS01T28 E4 MEMO...
Page 211: ...TROUBLE SHOOTING IMS01T28 E4 10 1 10 1 Solutions for Problems 10 2...
Page 216: ...10 6 IMS01T28 E4 MEMO...
Page 217: ...SPECIFICATIONS IMS01T28 E4 11 1...
Page 230: ...11 14 IMS01T28 E4 MEMO...
Page 244: ...A 4 IMS01T28 E4 MEMO...
Page 245: ...The first edition SEP 2012 IMQ00 The fourth edition FEB 2019 IMQ00...