Rockwell-automation 20-COMM-I Interbus Adapter Manual de usuario Pagina 81
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Using Explicit Messaging (PCP Communications) 6-19
PCP Write Subroutine (Explicit Messaging)
The PCP Write Subroutine is executed from the Main Program (Chapter
5) by turning on bit B3:47/10. Only one PCP Read or Write can be
performed at any one time. B3:47/10 will be turned off by the subroutine
when the reading is complete and signals that another read (or write)
cycle can take place.
Figure 6.4 LAD6 - PCP Write Subroutine
N23:10 = PCP Command Word (Set to "8" to cause a PCP Write: an "8" = bit 3 ON)
0000
B3:47
11
PCP Write
Routine
1-shot
MOV
Move
Source 8
8<
Dest N23:10
8<
MOV
PCP
Command
Word
N23:11 = CR (The Communication Reference to write to. A unique CR is the established for each Station)
"2" = CR 2 = Station 1.0
"3" = CR 3 = Station 2.0
0001
B3:47
11
PCP Write
Routine
1-shot
MOV
Move
Source N23:0
2<
Dest N23:11
2<
MOV
PCP Write
Command Msg
CR
N23:12 = Index
N23:1 determines what area is to be written to:
0 = PowerFlex 70 (Host) parameter (N23:2 + 12288 decimal (3000h) = mapped parameter address)
1 = 20-COMM-I parameter (N23:2 + 12213 decimal (2FB5h) = mapped parameter address)
0002
B3:47
11
PCP Write
Routine
1-shot
EQU
Equal
Source A N23:1
0<
Source B 0
0<
EQU
PCP Write
Parameter Area
to Write
ADD
Add
Source A N23:2
107<
Source B 12288
12288 <
Dest N23:12
12395 <
ADD
PCP Write
Command Msg
Index
EQU
Equal
Source A N23:1
0<
Source B 1
1<
EQU
PCP Write
Parameter Area
to Write
ADD
Add
Source A N23:2
107<
Source B 12213
12213 <
Dest N23:12
12395 <
ADD
PCP Write
Command Msg
Index
N23:13 = Sub Index (Not used)
0003
B3:47
11
PCP Write
Routine
1-shot
MOV
Move
Source 0
0<
Dest N23:13
0<
MOV
PCP Write
Command Msg
Sub Index
20COMM-UM007A-EN-P.book Page 19 Tuesday, January 22, 2002 10:52 AM
- Interbus 1
- Table of Contents 2
- Important User Information 4
- About This Manual 5
- Rockwell Automation Support 6
- Summary of Changes 8
- Features 10
- Compatible Products 10
- Required Equipment 11
- Safety Precautions 12
- Quick Start 13
- Getting Started 15
- Installing the Adapter 17
- Installing the Adapter 2-3 19
- 2-4 Installing the Adapter 20
- Applying Power 22
- Configuring the Adapter 23
- Using the PowerFlex HIM 24
- Setting the I/O Configuration 25
- Setting a Fault Action 28
- Resetting the Adapter 29
- 10000xxx 30
- 01234576 30
- Configuring the Adapter 3-9 31
- 3-10 Configuring the Adapter 32
- Example Network 33
- Examples 35
- . Click OK when complete 44
- G File Data Information: 48
- Using I/O Messaging 51
- Understanding the I/O Image 52
- Using Logic Command/Status 54
- Using Reference/Feedback 54
- Using Datalinks 54
- Adapter Settings 56
- SLC Data Table 57
- Read Data 57
- Write Data 57
- 5-8 Using I/O Messaging 58
- Using I/O Messaging 5-9 59
- 5-10 Using I/O Messaging 60
- Using I/O Messaging 5-11 61
- 5-12 Using I/O Messaging 62
- Using Explicit Messaging 63
- (PCP Communications) 63
- Running Explicit Messages 64
- PCP Communications 65
- PCP Read Message Format 67
- Read Examples 69
- Description 70
- Value (Hex) 71
- Value (Dec) 71
- PCP Write Message Format 72
- Write Examples: 74
- CR# = 2 (Station 1.0) 75
- Parameter # = 6 75
- Parameter # = 12 76
- Protocol (PCP) 77
- Troubleshooting 85
- Troubleshooting 7-3 87
- Adapter Diagnostic Items 88
- Viewing and Clearing Events 89
- 7-6 Troubleshooting 90
- Troubleshooting 7-7 91
- 7-8 Troubleshooting 92
- Specifications 93
- Environmental 94
- Regulatory Compliance 94
- Adapter Parameters 95
- B-4 Adapter Parameters 98
- Adapter Parameters B-5 99
- B-6 Adapter Parameters 100
- Adapter Parameters B-7 101
- Table B.1 PIDD/PODD Indexes 101
- B-8 Adapter Parameters 102
- Logic Command/Status Words 103
- Logic Status Word 104
- Glossary 106
- Glossary-6 111
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