Rockwell-automation 1770-KF2 Data Highway or Highway Plus Interface Mo Instrukcja Użytkownika Strona 93
- Strona / 235
- Spis treści
- BOOKMARKI
Oceniono. / 5. Na podstawie oceny klientów
Message Packet Formats
Chapter 5
5-14
T
able 5.C
Contents
of Status DA
T
A for 1773-KA Modules
Byte Bit Value Meaning
1 Operating
Status of Controllers on the Loop
0
1
2
3
4
5
6
7
1
1
1
1
1
1
1
1
If
Controller 1
Is Active
”
Controller 2
”
”
Controller 3
”
”
Controller 4
”
”
Controller 5
”
”
Controller 6
”
”
Controller 7
”
”
Controller 8
”
2
Station Interface T
ype
0-3 8
9
1773-KA, Data Highway Port
1773-KA, RS-232-C Port
4-7 8
PLC-4 Microtrol Processor
3-4
Data Highway Port Options
0 0
1
57,600 Bits per Second
Undefined
1 -- Not Used
2 0
1
Privileged Commands Enabled
Privileged Commands Disabled
3 0
1
Unprotected Commands Enabled
Unprotected Commands Disabled
4 0
1
Protected Commands Enabled
Protected Commands Disabled
5-7 -- Not Used
8-15 --
Octal Station Number
5-6 RS-232-C Port Options
0 0
1
Even Parity
No Parity
1-3 0
1
2
3
4
5
6
7
19,200 bps
8,600 bps
4,800 bps
2,400 bps
1,200 bps
600 bps
300 bps
110 bps
4-10 -- Not Used
11 0
1
Protected Commands Enabled
Protected Commands Disabled
12 0
1
Embedded Responses Enabled
Embedded Responses Disabled
13 0
1
Unprotected Commands Enabled
Unprotected Commands Disabled
14 0
1
Privileged Commands Enabled
Privileged Commands Disabled
15 0
1
Half-Duplex Protocol
Full-Duplex Protocol
7-8
Starting Byte Address of Diagnostic Timers and Counters
9
Module Series and Revision Level
0-4 0
1
Revision A
Revision B, Etc.
5-7 0
1
Series A
Series B, Etc.
10 -- -- Not Used
11-114
Eight 13-byte groups of processor status data, one group for each of eight possible controllers on the loop. If a particular controller on the loop is
not active or does not respond to the diagnostic status command, its 13 status bytes will be all zeros. Otherwise, each group of processor status
bytes will contain the following:
Byte 1
Program ID
2
Processor ID
3
Pointer to Start Program
4
Pointer to End of A
vailable Memory
5
Size of I/O
6
Processor Error Code
7 Error W
ord Address (Low Byte)
8 Error W
ord Address (High Byte)
9
Processor Mode
10 Pointer to END Statement (Low Byte)
11
Pointer to END Statement (High Byte)
12
Pointer to End of Used Memory (Low Byte)
13
Pointer to End of Used Memory (High Byte)
- Interface Module 1
- Important User Information 2
- Table of Contents 3
- Table of Contentsii 4
- Introduction 5
- Figure 1.1 7
- 1770-KF2 7
- Chapter 1 8
- Specifications 8
- Communication Concepts 13
- Figure 2.1 15
- Highway Network 15
- Figure 2.2 17
- Network Connected to V 17
- Installation 25
- Figure 3.2 28
- Figure 3.5 33
- Dimensions 33
- Chapter 3 39
- Figure 3.10 42
- Diagnostic 42
- (LED) Indicators 42
- Asynchronous Link Protocols 44
- Figure 4.1 47
- Figure 4.3 50
- Software 50
- Implementation of Data Paths 50
- Figure 4.6 52
- Protocol 52
- Environment 52
- Figure 4.7 54
- Logic for Implementing T 54
- Chapter 4 55
- Figure 4.13 62
- Message T 62
- Figure 4.14 67
- Figure 4.15 70
- Figure 4.24 78
- Message Sink Full, Case 2 78
- DLE ENQ STN BCC DLE EOT 79
- Message Packet Formats 80
- Figure 5.1 81
- Chapter 5 87
- Command Packet: 110
- Command Format: 116
- Data Encoding and Addressing 138
- Figure 6.1 139
- Numbers 139
- Figure 6.2 140
- Representation, Number 239 141
- Figure 6.3 141
- Figure 6.4 142
- Hexadecimal 142
- Figure 6.5 143
- 00100000 00000000 146
- First Byte Second Byte 146
- 00110100 00000000 151
- 00 0010100010 152
- 00 0000 0001000110 152
- Error Reporting 156
- Chapter 7 159
- Local Error Codes 164
- EXT STS byte 196
- Switch Settings 197
- Appendix A 198
- Message Formats 200
- (STS, EXT STS) 201
- Detailed Flowcharts 205
- Appendix D 206
- Data Link Layer 228
- Figure E.1 229
- Transition at Master Station 229
- Worldwide representation 235
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