
PET-70216/ET-7026 User Manual, version 1.0.1 beta1, Page: 4
3.3.2. Accessible IP Settings ...................................................................... 55
3.4. Web HMI .................................................................................................... 58
3.4.1. Web HMI .......................................................................................... 59
3.4.2. Web Edit .......................................................................................... 60
3.5. Pair Connection .......................................................................................... 68
3.6. More Information ........................................................................................ 69
Chapter 4. Modbus Applications ....................................................... 70
4.1. What is Modbus TCP/IP? ........................................................................... 71
4.2. Modbus Message Structure ....................................................................... 72
4.2.1. Address ............................................................................................ 73
4.2.2. Function Codes ................................................................................ 74
4.2.3. Data Field ......................................................................................... 74
4.2.4. Error Check ...................................................................................... 74
4.3. Modbus Register Map ................................................................................ 75
4.3.1. Read/Write Coils (0xxxx) .................................................................. 75
4.3.2. Read/Write Discrete Outputs or Coils (1xxxx) .................................. 79
4.3.3. Read Input Registers (3xxxx) ........................................................... 80
4.3.4. Read/Write Output or Holding Registers (4xxxx).............................. 83
Chapter 5. MiniOS7 Utility Tool .......................................................... 87
5.1. Establishing a Connection .......................................................................... 87
5.2. Exchanging the Protocol (TCP/IP to UDP) ................................................. 90
5.3. Updating the PET-7000/ET-7000 OS ......................................................... 92
5.4. Uploading the PET-7000/ET-7000 Firmware .............................................. 97
Chapter 6. External Tools and Tasks ............................................... 102
6.1. LabVIEW .................................................................................................. 102
6.2. OPC Server .............................................................................................. 103
6.3. SCADA ..................................................................................................... 104
6.3.1. InduSoft .......................................................................................... 105
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