Rockwell-automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command Uživatelský manuál Strana 3
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Summary of Changes
Publication
17706.5.16 - October 1996
What's Changed in This
Document
This document contains important information concerning the DF1
Protocol and Command Set Reference Manual.
This information extends and explains information provided in the
Data Highway/Data Highway Plust/DH-485 Communication
Protocol and Command Set Reference Manual, publication
1770-6.5.16 — November 1991
Changes to this document are indicated by a revision bar in the
margin.
The “look and feel” of your Allen-Bradley documentation has
changed! We’re constantly trying to improve our documentation to
make it more usable for you. If you have questions or comments
about this document, complete the enclosed Publication Problem
Report. In addition, we’ve also made the following changes to
publication 1770-6.5.16:
Change Description Reference
organization
We've reorganized the reference manual to make it easier to find
information. We include a map" of this new organization.
Preface, page P-2
commands
We've added and updated the communication commands. We've
also organized them alphabetically. Additional commands include:
•apply port configuration
•change mode
•close file
•disable forces
•get edit resources
•initialize memory
•open file
•protected typed logical read with three address fields
•protected typed logical write with three address fields
•read diagnostic counters
•read section size
•return edit resource
Chapter 7, Communication Commands"
About This Document
Changes to This
Document
- Reference 1
- Important User 2
- Information 2
- What's Changed in This 3
- Document 3
- Table of Contents 4
- Table of Contentsii 5
- Table of Contents iii 6
- Table of Contentsiv 7
- Table of Contents v 8
- Table of Contentsvi 9
- Encoding 10
- Table of Contentsviii 11
- About This Manual 12
- What This Manual 13
- Contains 13
- Terms and Abbreviations 14
- Related Publications 14
- Related Products 15
- Conventions Used in This 16
- Network Basics 17
- Network Layers 18
- Physical Layer 19
- 1–4 Network Layers 21
- 1–6 Network Layers 23
- Software Layers 24
- Message Packet Structure 26
- Protocol 29
- Understanding DF1 Protocol 30
- DF1 Protocol 31
- • request-to-send (RTS) 32
- • clear-to-send (CTS) 32
- • data-carrier-detect (DCD) 32
- • data-set-ready (DSR) 32
- • data-terminal-ready (DTR) 32
- Fullduplex Protocol 33
- Character Transmission 34
- Transmission Symbols 35
- See APP DATA 36
- Send and Receive Messages 38
- Halfduplex Protocol Message 39
- Transmission 39
- Transmitter and Receiver 40
- Message Transfer 40
- Halfduplex Protocol 40
- Environment 40
- 0HVVDJH &KDUDFWHULVWLFV 44
- 0DVWHU 3ROOLQJ 44
- 5HVSRQVLELOLWLHV 44
- )XOO 6LQNV 45
- 6LPSOLILHG 1HWZRUN /D\HU 45
- 6ODYH 7UDQVFHLYHU $FWLRQV 46
- +DOI'XSOH[ 3URWRFRO 48
- 'LDJUDPV 48
- 3ROO ZLWK 0HVVDJH 5HWXUQHG 51
- 0HVVDJH 6LQN )XOO &DVH 53
- 0HVVDJH 6LQN )XOO &DVH 54
- Using Fullduplex Protocol to 55
- Message Transmission 56
- Message Characteristics 58
- Transfer 58
- How the Transmitter Operates 59
- Diagrams 64
- Message Transfer with NAK 65
- In this transfer: 69
- Message Packets 72
- Datalink Layer Message 73
- Message Frames 74
- BCC and CRC Fields 76
- Full-duplex protocol example 77
- CRC Field 78
- Application Layer Message 80
- How Your Application 81
- Program Sends and 81
- Receives Messages 81
- Message Packet Format 82
- DST and SRC 83
- CMD and FNC 84
- STS and EXT STS 85
- Communication Commands 88
- 7–2 Communication Commands 89
- 7–3Communication Commands 90
- 7–4 Communication Commands 91
- 7–5Communication Commands 92
- 7–6 Communication Commands 93
- 7–7Communication Commands 94
- 7–8 Communication Commands 95
- 7–10 Communication Commands 97
- 7–12 Communication Commands 99
- phys. address 100
- 7–14 Communication Commands 101
- SET RESET 102
- to 60 masks of this form 102
- 7–19Communication Commands 106
- 7–20 Communication Commands 107
- 7–21Communication Commands 108
- 7–22 Communication Commands 109
- 7–23Communication Commands 110
- 7–25Communication Commands 112
- 7–27Communication Commands 114
- PLC5 sys. address 115
- Publication 116
- 17706.5.16 - October 1996 116
- Set Reset 117
- 7–31Communication Commands 118
- 7–32 Communication Commands 119
- PLC sys. address 121
- PLC5 Type/Data 123
- Parameter Examples 123
- 7–37Communication Commands 124
- Example: 126
- 7–40 Communication Commands 127
- Message Packet Status Codes 128
- (STS, EXT STS) 128
- STS Byte 129
- EXT STS Byte 130
- Remote STS and 132
- EXT STS Codes 132
- Module Diagnostics 138
- Diagnostic Counters 139
- 9–2 Diagnostic Counters 140
- 1747 Cat. Nos 141
- DH485 Diagnostic Counters 143
- DF1 Diagnostic Counters 144
- 1761 Cat. Nos 145
- 1770 Cat. Nos 146
- Counters 149
- 1771 Cat. Nos 152
- 1775 Cat. Nos 159
- 1779 Cat. Nos 162
- 1784 Cat. Nos 163
- 1785 Cat. Nos 164
- • half-duplex slave 169
- • half-duplex master 169
- 5250 Cat. Nos 171
- Diagnostic Status Information 172
- SLC 5/02 processors only 174
- 1761, 1770, and 1771 176
- Cat. Nos 176
- 1770KF3 Status Bytes 178
- 1773, 1775, and 1779 182
- 1779KP5 Status Bytes 185
- 1785KA5 Status Bytes 188
- 1785KA3 Status Bytes 188
- 1785KE Status Bytes 190
- L60L Status Bytes 193
- 5130 Cat. Nos 194
- Data Encoding 197
- Numbering Systems 198
- Binary Coded Decimal 199
- Hexadecimal 200
- Binary Floatingpoint 201
- Order of Transmission 202
- A 16-Bit Word in PLC Memory 203
- Right-to-Left Bit Order 203
- Uploading and Downloading 204
- Uploading from the 205
- Processor 205
- Downloading to the 209
- PLC Addressing 216
- PLC2/1774PLC 217
- Addressing 217
- PLC2 Physical Addressing 218
- 1774PLC Physical Addressing 218
- PLC3 Addressing 219
- PLC3 Logical Addressing 220
- PLC3 Physical Addressing 222
- PLC3 Symbolic Addressing 223
- • and so on 223
- PLC5 Addressing 224
- PLC5 Logical Addressing 225
- 13–12 PLC Addressing 227
- 13–14 PLC Addressing 229
- PLC5 Physical Addressing 231
- PLC5 Floating Point 232
- • low word then high word 232
- • low byte then high byte 232
- Line Monitor Examples 233
- Halfduplex Line Monitor 234
- Fullduplex PLC2 Line 235
- Monitor Example 235
- Fullduplex PLC3 Line 238
- 14 decimal) 239
- TOTAL TRANS 239
- DLE ETX (2 240
- ASCII Codes 241
- 17706.5.16 July 1996 242
- AllenBradley 249
- Publication Problem Report 249
- BUSINESS REPLY MAIL 250
- Supersedes 251
- Copyright 251
- 1996 AllenBradley Company 251
- , Inc. Printed in USA 251
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