Rockwell Automation 1785 PLC-5 User Manual Page 118
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1785-UM022C-EN-P - February 2008
C-2 ControlNet Instruction Set
Immediate Data I/O Instructions
Immediate I/O Execution Times
Instruction Description
Immediate Data
Input
IDI
If the input conditions are true, an immediate data input is initiated that
updates the destination file from the private buffers before the next normal
input-image update. The Data file offset (232) is where the data is stored.
The Length (10) identifies the number of words in the transfer–it can be an
immediate value ranging from 1 to 64 or a logical address that specifies the
number of words to be transferred. The Destination (N11:232) is the
destination of the words to be transferred. The Destination should be the
matching data-table address in the DIF except when you use the instruction
to ensure data-block integrity in the case of Selectable Times Interrupts
(STIs). See page 4-8 in the Using ControlNet IMmediate Data Input and
Output Instructions section.
Immediate Data
Output
IDO
If the input conditions are true, an immediate data output is initiated that
updates the private memory output buffers from the source file before the
next normal output-image update. The Data file offset (175) is the offset into
the buffer where the data is stored. The Length (24) identifies the number of
words in the transfer–it can be an immediate value ranging from 1 to 64 or
a logical address that specifies the number of words to be transferred. The
Source (N12:175) is the source of the words to be transferred. The Source
should be the matching data-table address in the DOF except when you use
the instruction to ensure data-block integrity in the case of Selectable
Timed Interrupts (STIs). See page 4-8 in the Using ControlNet Immediate
Data Input and Output Instructions section.
Instruction: Processor:
Execution Time (μs)
Words of Memory
True: False:
INN - Immediate Input PLC-5/20 C15
PLC-5/40C15, -5/46C15 and -5/80C15
389
347
1.1 2
IOT - Immediate Output PLC-5/20 C15
PLC-5/40C15, -5/46C15 and -5/80C15
323+(14.5 x dis)+(6.7 x DOF)
330+(27.5 x dis)+(13.25 x DOF)
1.1 2
IDI - Immediate Data
Input
PLC-5/20 C15
PLC-5/40C15, -5/46C15 and -5/80C15
538+(0.65 x words)
488+(0.65 x words)
1.1 4-7
IDO - Immediate Data
Output
PLC-5/20 C15
PLC-5/40C15, -5/46C15 and -5/80C15
286+(1.23 x words)+(14.5 x
DOF)+(6.7 x dis)
270+(1.6 x words)+(27.5 x
DOF)+(13.25 x dis)
1.1 4-7
words - IDI or IDO transfer length
dis - Total number of ControlNet connections using the discrete Output image file
DOF - Total number of ControlNet connections using the Data Output File
IDI
IMMEDIATE DATA INPUT
Data file offset
Length
232
10
Destination
N11:232
IDO
IMMEDIATE DATA OUTPUT
Data file offset
Length
175
24
Source
N12:175
- Controllers 1
- Important User Information 2
- Summary of Changes 3
- Table of Contents 5
- Chapter 3 6
- Chapter 4 7
- Chapter 5 7
- Appendix A 7
- Appendix B 7
- Appendix C 7
- Appendix D 8
- Appendix E 8
- Terminology 10
- Installing Your ControlNet 13
- PLC-5 Processor 13
- Identifying ControlNet PLC-5 15
- Processor Components 15
- Before You Install the 17
- Programmable Controller 17
- Estimated Battery Lifetimes 20
- Dispose of a Battery 20
- Setting the I/O Chassis 21
- Backplane Switches 21
- Configuration Plug 22
- Installing Keying Bands 22
- Selecting the DH+ Station 23
- Address of Channel 1A 23
- Specifying the Serial 24
- Interface of Channel 0 24
- Selecting the ControlNet 24
- Network Address of 24
- Channel 2 24
- Installing a Remote 25
- I/O Link 25
- Connecting to a 29
- ControlNet Network 29
- Connecting a 31
- Programming Terminal 31
- Serial Channel 32
- ControlNet Connection 33
- Serial Cables 34
- DH+ Programming Cables 35
- Remote I/O Cables 35
- ControlNet Cables 35
- Processor 39
- I/O Chassis 41
- . . .. . 43
- Using I/O Forcing Operations 45
- Housekeeping 46
- Logic Scan 46
- First Word 48
- PCSC Overflow Bit 48
- PCSC New Data Bit 48
- PCSC Enable Bit 48
- Understanding Scheduled 49
- Connection Types 49
- Understanding ControlNet 54
- I/O Mapping 54
- RPI Default = 4 x NUT 59
- I:010 6 O:010 2 63
- Using the ControlNet 69
- PLC-5 Processor in a 69
- ControlNet I/O System 69
- Tap (4 choices) 70
- 1786-TPR 70
- I/O System 72
- 1.5 system 73
- Understanding the ControlNet 75
- System Software 75
- I/O Configuration Utility 76
- Information 77
- ControlNet System 81
- Programming Your 81
- 1756-CNB 82
- ControlBus 82
- Using the ControlNet I/O 83
- Transfer Instruction 83
- Sending Continuous Messages 85
- Using ControlNet 86
- Immediate Data Input and 86
- Output Instructions 86
- IMMEDIATE DATA INPUT 87
- N11:232 232 87
- IMMEDIATE DATA OUTPUT 88
- N12:175 175 88
- Using Selectable Timed 89
- Interrupts with a Program 89
- Your ControlNet System 91
- Status Indicators 93
- Using the DH+/RIO 95
- Monitoring ControlNet 96
- Configuration and Status 96
- Processor Specifications 97
- AVERTISSMENT 100
- Processor Status File 101
- S:13-S:24 111
- S:26-S:35 112
- S:36-S:78 113
- S:79-S127 115
- B-16 Processor Status File 116
- ControlNet Instruction Set 117
- Immediate I/O Execution Times 118
- ControlNet I/O Map-Entry 119
- Status Words and 119
- Error Codes 119
- ControlNet I/O status file: 120
- ControlNet I/O status file 121
- Fault Codes 131
- Appendix F 133
- Numerics 137
- 2 Index 138
- Index 3 139
- 4 Index 140
- Index 5 141
- 6 Index 142
- Index 7 143
- 8 Index 144
- How Are We Doing? 145
- BUSINESS REPLY MAIL 146
- Rockwell Automation 148
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