Rockwell Automation 1785 PLC-5 User Manual Page 10
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Preface-2
Terminology
Term Description
Actual Packet Interval (API) the actual time it takes for the ControlNet network to update the requested data. The largest
binary multiple of the Network Update Time (NUT), smaller or equal to the Requested Packet
Interval (RPI). For more information, see Scheduled Data-Transfer Operations on a
ControlNet Network on page 2-2.
ControlNet network communication architecture that allows the exchange of data between Allen-Bradley
Company, Inc. products and certified third-party products
ControlNet PLC-5 processors references PLC-5/20C, PLC-5/40C, PLC-5/46C and PLC-5/80C programmable controllers
phase 1.5
connection opened communication path between two nodes on a ControlNet network
DData Input File (DIF) integer file used by ControlNet PLC-5 processors to store discrete and non-discrete input
data. The DIF cannot be forced
Data Output File (DOF) integer file used by ControlNet PLC-5 processors to store discrete and non-discrete output
data. The DOF cannot be forced
discrete I/O data transfer type of data transfer in which single units of I/O have discrete relationships with values in
the processor’s data table; uses the processor’s input- and output-image tables (I and O
files); configured on a per-node basis in the ControlNet I/O map table
frame single data transfer on a ControlNet link
drop cable cable that connects a ControlNet node to the trunk cable; integral part of 1786 taps
I/O map table
(scanlist configuration)
table that you configure using the programming software to map data from an I/O chassis
and other devices on the ControlNet network to particular data table file addresses
keeper device that stores and distributes ControlNet configuration data to all nodes on the network.
A minimum of one keeper device is required on each ControlNet network.
link collection of ControlNet nodes with unique network addresses in the range of 01-99; segments
connected by repeaters make up a link; links connected by bridges make up a network
map table entry
(scanlist entry)
one entry in the I/O map table that you configure using the programming software to map
data from one I/O chassis or other device on ControlNet to particular data table file
addresses
network access port (NAP) port that provides a temporary ControlNet-network connection through an RJ45 connector
network address node’s address on the ControlNet network
network update interval (NUI) single occurrence of the ControlNet Network Update Time (NUT)
network update time (NUT)
smallest repetitive time interval in which data can be sent on the ControlNet network
node port of a physical device connecting to the ControlNet network that requires a network
address in order to function on the network; a link may contain a maximum of 99 nodes
non-discrete I/O data transfer type of data transfer in which blocks of data transferred to or from a single I/O module use
integer input and output data table files that you specify; scheduled transfers are configured in
the ControlNet I/O map table, unscheduled transfers make use of ControlNet I/O Transfer (CIO)
instructions
owner device that controls the outputs of an adapter
processor
any one of the ControlNet PLC-5 programmable controllers
redundant media dual-cable system that allows you to receive the best signal over a ControlNet network
- 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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