Chapter 3
Programming
3-1 to 3-94
3.1 Installation ..................................................................................................................................... 3-1
3.1.1
System Requirements ...................................................................................................... 3-1
3.1.2
Installation of HX-CODESYS ........................................................................................... 3-1
3.1.3
Installation of USB driver .................................................................................................. 3-3
3.2 Startup........................................................................................................................................... 3-5
3.3 I/O Configuration ........................................................................................................................... 3-7
3.3.1
Scan For Devices for expansion units ............................................................................. 3-7
3.3.2
Option board .................................................................................................................... 3-9
3.3.3
Update Device .................................................................................................................. 3-10
3.3.4
I/O address ....................................................................................................................... 3-11
3.4 I/O-update ..................................................................................................................................... 3-15
3.5 POU and task ................................................................................................................................ 3-16
3.6 Variables ....................................................................................................................................... 3-18
3.6.1
Data memory .................................................................................................................... 3-18
3.6.2
Marker memory ................................................................................................................ 3-19
3.6.3
Available characters for variable names .......................................................................... 3-20
3.6.4
Numeric literals ................................................................................................................ 3-20
3.6.5
Data types ........................................................................................................................ 3-21
3.6.6
Local variable ................................................................................................................... 3-22
3.6.7
Global variable ................................................................................................................. 3-23
3.7 Configuration ................................................................................................................................. 3-24
3.8 Communication settings................................................................................................................ 3-25
3.9 Programming ................................................................................................................................ 3-27
3.10 Login ............................................................................................................................................. 3-29
3.11 Boot application ............................................................................................................................. 3-32
3.12 Source Download / Upload ........................................................................................................... 3-33
3.13 Run / Stop / Reset ......................................................................................................................... 3-34
3.14 Global network variables ............................................................................................................... 3-35
3.15 Modbus-TCP/RTU ........................................................................................................................ 3-38
3.15.1 Introduction ...................................................................................................................... 3-38
3.15.2 Modbus-TCP master (client) ............................................................................................ 3-39
3.15.3 Modbus-TCP slave (server) ............................................................................................. 3-42
3.15.4 Modbus-RTU master ........................................................................................................ 3-43
3.15.5 Modbus-RTU slave .......................................................................................................... 3-46
3.16 EtherCAT master .......................................................................................................................... 3-47
3.16.1 Configuration .................................................................................................................... 3-47
3.16.2 Online settings ................................................................................................................. 3-48
3.16.3 Ethernet speed ................................................................................................................. 3-49
3.16.4 Cycle time of EtherCAT task ............................................................................................ 3-49
3.16.5 Programming ................................................................................................................... 3-51
3.16.6 Wiring ............................................................................................................................... 3-52
3.16.7 Important restrictions ....................................................................................................... 3-52
3.17 High speed counter ....................................................................................................................... 3-54
3.18 Interrupt input ................................................................................................................................ 3-63
3.19 Pulse Train Outputs ...................................................................................................................... 3-66
3.20 PWM Outputs ............................................................................................................................... 3-72
Содержание EH-A14EDR
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