Rockwell-automation 1775-KA PLC-3 Communication Adapter Module User Ma Manual de usuario descargar pdf (Pagina 237)

Symbols

**Empty**, 224

A

Addresses, 43, 45

Addressing rules, 41

addressing a file, 47

addressing a word, 48, 411

addressing a word range, 48, 410

expressions, 413, 414

number systems, 42

PLC-3 address specifications, 47

PLC/PLC-2 address specifications,

410

remote station address specifications,

412

symbols, 44, 45, 46

Application layer protocol, 126

ADDR (address), 1210

application message fields, 126

CMD and FNC (command and function),

127

ETX STS (extended status), 129

STS (status), 128

Applications of 1775-KA modules, 18

Assignment command, 62, 63, 64

B

Backup, 224, 227, 228, 229

Basic command set, A8

C

Comments, 611

Computer to PC communication, 91

Control file word, 34

Counters

Data Highway port counters, C1

modem port counters, C2

CREATE Command, 65

D

Data transfers, 36

DELETE Command, 65

E

Editing, 51

editing message procedures, 52, 53

editing the message instruction, 51,

52

Error codes, B1

local error codes, B1, B4

remote error codes, B3

reply error codes, B4

Error Reporting, 71

access to error block, 75

error block operation, 72

error monitoring, 72

recovery from errors, 71

reporting error codes, 71

Execute Command, 66

EXIT command, 66

Expressions, 413, 414

F

Flowchart, D1

Full-Duplex protocol, 101

block check, 105

definition of link and protocol, 101

full-duplex protocol diagrams, 1017

functions, 69

message characteristics, 108

receiver actions, 1013

transmission codes, 102

transmitter actions, 109

two-way simultaneous operation, 106

Full-duplex protocol, link-layer message

packets, 104

G

GOTO Command, 67

H

Half-Duplex Protocol, 111

Half-Duplex protocol

half-duplex protocol diagrams, 1113

line monitoring, 1120

protocol environment definition, 117

Index

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