Rockwell-automation 1775-KA PLC-3 Communication Adapter Module User Ma Manual de usuario Pagina 220
- Pagina / 239
- Tabla de contenidos
- MARCADORES
Valorado. / 5. Basado en revisión del cliente
Detailed Flowcharts
Appendix D
D10
Figure D.11 shows the transmitter (XMIT) and receiver (RCVE) routines
sharing the transmit side of the UART. XMIT transmits messages and
inquiries. RCVE transmits responses. Therefore, each must wait until the
other is thru before it can transmit thru the UART. The TXALLOC and
TXFREE subroutines work together to ensure that XMIT and RVCE do
not try to use the UART at the same time. TXALLOC and TXFREE are
called in the SENDCTRL, SENDETX, and SENDDATA subroutines
(Figure D.12, Figure D.13, and Figure D.14).
Figure D.11
Sharing
the Transmit Side of the UART
TXALLOC
UART Usage
TXFREE
XMIT RCVE
XMIT RCVE
Not–In–Use
Signal
10081–I
UART Sharing
- User Manual 1
- Table of Contents 2
- Table of Contentsii 3
- Table of Contents iii 4
- Figure 1.1 9
- Communication 9
- Introduction 11
- Chapter 1 11
- Figure 1.3 12
- Modem Application 12
- Installation 13
- Figure 2.1 14
- Figure 2.2 15
- Switches 15
- Figure 2.3 18
- Two PLC-3 Controllers 18
- Chapter 2 19
- Figure 2.7 22
- Figure 2.10 29
- Connection 29
- Data Highway Communication 46
- #H024$B12:37 = 15 48
- $B45:21 = $I12:33 51
- Chapter 3 52
- Addressing Rules and Examples 57
- 10017-I 58
- Figure 4.4 61
- $N 15 : 0, 20 64
- @FILE_A:16/8 66
- $B1:5/012 66
- #H024$015,4 67
- #H015$0121/010 68
- #H 020 $ B 15:9 68
- #H 020 @ WORD_9 68
- Chapter 5 77
- Message Procedure Commands 79
- NUM = 0 86
- LOOP: $B50:(NUM) = NUM 86
- NUM = (NUM +1) 86
- $D:12 = TO_BCD (27) 88
- COUNT = FROM_BCD ($D:12) 88
- Figure 6.3 89
- for Comments 89
- Error Reporting 90
- Chapter 7 92
- Programming Examples 95
- Chapter 8 96
- Computer to PC Communication 100
- Figure 9.1 102
- Computer to PC Communiation 103
- Chapter 9 103
- Full-Duplex Protocol 105
- Figure 10.1 108
- Chapter 10 111
- Figure 10.7 114
- Transmitter 114
- for Full-Duplex Protocol 114
- 110046–I 121
- Figure 10.12 124
- Message T 124
- Half-Duplex Protocol 128
- Chapter 11 132
- Figure 11.4 140
- Figure 11.8 143
- with Message Returned 143
- Figure 11.9 144
- Duplicate 144
- Figure 11.11 146
- Sink Full, Case 2 146
- Figure 12.2 150
- Message Packet Format 150
- Figure 12.3 151
- Reply Message Packet Format 151
- Figure 12.4 158
- PLC/PLC-2 158
- Data Table Byte Addressing 158
- Chapter 12 160
- 0 0 0 0 0 0 0 0 161
- A8 A7 A6 A5 A4 A3 A2 A1 161
- Message Formats 163
- Appendix A 165
- Figure A.2 166
- Reply Format: 173
- Error Codes 193
- 1773-KA Module 196
- Appendix B 196
- Local and Reply Error Codes 196
- Diagnostic Counter Block 209
- Diagnostic Port Counters 210
- Appendix C 210
- Modem Port Counters 210
- Detailed Flowcharts 211
- Appendix D 212
- Figure D.11 220
- Figure D.20 227
- SLEEP and W 227
- AKEUP Interaction 227
- Figure D.21 228
- Routine 228
- Worldwide representation 239
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