Rockwell-automation 900 Temperature Controller Communications Function Manuale Utente Pagina 6
- Pagina / 103
- Indice
- SEGNALIBRI
Valutato. / 5. Basato su recensioni clienti
Publication 900-UM004D-EN-E - July 2010
-ii Table of Contents
Read from Variable Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Write to Variable Area. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Composite Read from Variable Area . . . . . . . . . . . . . . . . . . . . . 2-12
Composite Write to Variable Area . . . . . . . . . . . . . . . . . . . . . . . 2-13
Read Controller Attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
Read Controller Status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
Echoback Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
Operation Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
Chapter 3
Communications Data
Variable Area (setup range) List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Status Structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14
Chapter 4
Modbus Communications
Procedure
Data Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Command Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Response Frame. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Function List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Variable Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
Number of Elements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Detailed Description of the Services. . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Read Variable Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Write Variable Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11
Variable Write, Single/Operation Command. . . . . . . . . . . . . . . 4-15
Echoback Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22
Chapter 5
Communications Data for Modbus
Variable Area (Setting Range) List. . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
Appendix A
ASCII Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
- Functions 1
- Important User Information 2
- European Communities (EC) 3
- Directive Compliance 3
- Table of Contents 5
- -ii Table of Contents 6
- Safety Precautions 7
- Conventions Used in This 7
- How to Read Display Symbols 8
- About Communications Methods 9
- Communications 10
- Specifications 10
- Transmission procedure 10
- Interface 11
- Communications Parameter 14
- Communication Parameters 15
- Setting Communications 16
- 900-TCx (CompoWay/F) 17
- Response Frame 18
- Communications Data 19
- Example of End Code 19
- Structure of Command Text 21
- Type Code (Variable Type) 22
- Addresses 22
- Number of Elements 23
- List of Services 23
- Detailed Description of 24
- Services 24
- Response code 25
- Write to Variable Area 26
- Bit Position 28
- Response Code 28
- Read Controller Attributes 31
- Read Controller Status 32
- Echoback Test 33
- Test data 34
- Operation Commands 35
- Response Code List 42
- 3-2 Communications Data 44
- Communications Data 3-3 45
- 3-4 Communications Data 46
- Communications Data 3-5 47
- 3-6 Communications Data 48
- Communications Data 3-7 49
- 3-8 Communications Data 50
- Communications Data 3-9 51
- 3-10 Communications Data 52
- Communications Data 3-11 53
- 3-12 Communications Data 54
- Status Structure 55
- Bit position 56
- Table 3.4 Status Details 57
- Table 3.5 Status 2 Contents 58
- Data Format 59
- CRC-16 Calculation Example 60
- Error Codes 62
- Function List 63
- Variable Area 64
- Detailed Description of the 66
- Write Variable Area 69
- Example Command and Response 72
- Write variable address 73
- Command: 75
- Response: 75
- Variable Area (Setting 83
- Range) List 83
- Advanced 84
- Setting 84
- Table 5.6 89
- Four-byte mode Two-byte mode 89
- Figure 5.1 Status Structure 96
- Figure 5.3 Status 2 Structure 97
- Table 5.11 Status Details 98
- Table 5.12 Status 2 Details 99
- Back Cover 103
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