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Rockwell Automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command manuály

Uživatelské manuály a uživatelské příručky pro Zařízení Rockwell Automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command.
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Rockwell automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command Uživatelský manuál (251 strany)


Značka: Rockwell-automation | Kategorie: Zařízení | Velikost: 2.03 MB |

 

Tabulka s obsahem

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

Fullduplex Protocol

33

Character Transmission

34

Transmission Symbols

35

See APP DATA

36

Send and Receive Messages

38

Halfduplex Protocol Message

39

Transmission

39

Transmitter and Receiver

40

Message Transfer

40

Halfduplex 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 Fullduplex 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

Datalink 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

PLC5 sys. address

115

Publication

116

17706.5.16 - October 1996

116

Set Reset

117

7–31Communication Commands

118

7–32 Communication Commands

119

PLC sys. address

121

PLC5 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

1770KF3 Status Bytes

178

1773, 1775, and 1779

182

1779KP5 Status Bytes

185

1785KA5 Status Bytes

188

1785KA3 Status Bytes

188

1785KE Status Bytes

190

L60L Status Bytes

193

5130 Cat. Nos

194

Data Encoding

197

Numbering Systems

198

Binary Coded Decimal

199

Hexadecimal

200

Binary Floatingpoint

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

PLC2/1774PLC

217

Addressing

217

PLC2 Physical Addressing

218

1774PLC Physical Addressing

218

PLC3 Addressing

219

PLC3 Logical Addressing

220

PLC3 Physical Addressing

222

PLC3 Symbolic Addressing

223

• and so on

223

PLC5 Addressing

224

PLC5 Logical Addressing

225

13–12 PLC Addressing

227

13–14 PLC Addressing

229

PLC5 Physical Addressing

231

PLC5 Floating Point

232

• low word then high word

232

• low byte then high byte

232

Line Monitor Examples

233

Halfduplex Line Monitor

234

Fullduplex PLC2 Line

235

Monitor Example

235

Fullduplex PLC3 Line

238

14 decimal)

239

TOTAL TRANS

239

DLE ETX (2

240

ASCII Codes

241

17706.5.16  July 1996

242

AllenBradley

249

Publication Problem Report

249

BUSINESS REPLY MAIL

250

Supersedes

251

Copyright

251

1996 AllenBradley Company

251

, Inc. Printed in USA

251




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