Download

Table Of Contents - Allen-Bradley PLC-2/30 Programming And Operations Manual

Hide thumbs Also See for PLC-2/30:

Assembly and installation manual (166 pages)

Allen-Bradley PLC-2/30 Programming And Operations Manual

Table Of Contents

Table of Contents

Advertisement

Table of Contents

Important User Information3

Table Of Contents4

Introduction 15

Complementary I/O15

Data Highway Compatibility15

Interface Modules15

Additional Publications16

Err Message For Invalid Display Of Processor Memory16

Mode Select Switch18

Hardware Considerations 218

Plc 2/30 Processor19

Memory Write Protect19

Memory Write Protect Jumper20

Run Time Errors20

Processor Diagnostic Indicators21

Power Up Recovery22

Switch Group Assembly22

Last State Switch23

I/O Rack Number23

1771 I/O Chassis Backplane Switch Settings For Local I/O Systems24

Industrial Terminal24

Local System Structure24

Remote System Structure25

Local/Remote System Structure26

Hardware Addressing Modes27

Auxiliary Power Supplies27

1777 P2 Auxiliary Power Supply28

1771 P7 Power Supply28

Memory Structure29

Memory Word Structure29

Memory Organization30

Data Table Areas32

Processor Work Areas 1 And 232

Output Image Table33

Timer/Counter Accumulated Values, Bit/Word Storage34

Input Image Table34

Plc 2/30 Memory Organization (Default Configuration)36

Relation Of Word Address To Hardware38

Timer/Counter Preset Values, Bit/Word Storage39

Developing The Data Table39

Displaying The Data Table39

Data Table Configuration40

Data Table Area Configuration40

Configuring The Data Table40

Changing Data Table Areas42

Input/Output Image Table Sizes42

Subroutine Area44

Message Storage Area45

Hardware/Program Interface45

Report Generation 945

Instruction Address46

Instruction Address Terminology47

Bit Address To Hardware Relationship (2 Slot Addressing)48

Fundamental Operation49

Relationship Of Word Address To Hardware50

Data Table Documentation Forms51

Data Table Word Map51

Data Table Map (128 Word)52

Example Of Data Table Word Map52

Example Of Data Table Map53

Data Table Word Assignments (64 Word)53

Data Table Bit Assignments54

Example Of Data Table Word Assignments54

Example Of Data Table Bit Assignments54

Sequencer Table Bit Assignments55

Example Of Sequencer Table Bit Assignments56

I/O Assignments56

Timer/Counter Assignments57

Data Storage Assignments57

Bit/Word Storage57

Connection Diagram Addressing Worksheet60

Introduction To Programming66

Ladder Diagram Logic67

Ladder Diagram Rung67

Relay Diagram67

Relay Type Instructions68

Examine Instructions68

Areas Of The Ladder Diagram Rung68

Examine On Instruction68

Examine Off Instruction69

Output Instructions70

Output Energize Instruction70

Output Latch And Unlatch Instructions71

Unconditional Output Energize Instruction71

Latch/Unlatch Instructions72

Latch/Unlatch Timing Diagram72

Latch And Unlatch Indication73

Branch Instructions74

Nested Branching Vs. Equivalent Logic75

Example Original Rung With First Part Of Duplicate Rung76

Example New Rung With Branch Instruction76

Example New Rung, Completed76

Ending A Program77

Programming Relay Type78

Help Directories80

First Or Last Instruction In A Rung83

Single Rung Display83

Incomplete Rung83

First And Last Rung And User Program Boundaries83

Remote Mode Select84

Inserting An Instruction85

Removing An Instruction86

Inserting A Rung86

Removing A Rung86

Changing Data Of A Word Or Block Instruction87

Changing The Address Of A Word Or Block Instruction87

On Line Data Change87

On Line Programming88

General Rules88

Data Initialization Key89

On Line Programming Procedures90

Insert An Instruction91

Remove An Instruction92

Insert A Rung92

Remove A Rung93

Change An Instruction Or Instruction Address93

Correct An Error94

Programming Interruptions95

Clearing Memory95

Clear Memory Functions96

Data Table Clear96

User Program Clear96

Partial Memory Clear96

Program Recommendations97

Total Memory Clear97

Storage Bit Example98

Recommendations For Block Instructions98

Timer And Counter Instructions100

Timer Instructions101

Timer Accumulated Value Word101

Timer On Delay Instruction102

Timer Off Delay Instruction104

Retentive Timer Instruction105

Retentive Timer Reset107

Timer Accuracy For 10Ms Timers107

Counter Instructions107

Up Counter Instruction108

Counter Accumulated Value Word108

Counter Reset Instruction110

Down Counter Instruction111

Up Down Counter Example112

Scan Counter Instruction112

Cascading Timers Or Counters113

Cascading Counters Example113

Programming Timer And Counter Instructions113

Scan Time And Instruction Execution Times116

Program For Determining Scan Time117

Program For Determining Average Scan Time118

Instruction Execution Time118

File To File Move And File Complement121

Logic Instructions122

Data Manipulation Instructions124

Bcd Word Format124

Data Transfer Instructions125

Get Instruction125

Octal Format125

Get And Put Instructions126

Changing A Counter Preset127

Les And Equ Instructions127

Less Than Comparison128

Greater Than Comparison129

Equal To Comparison129

Less Than Or Equal To Comparison130

Greater Than Or Equal To Comparison130

Get Byte-Put Instruction131

Get Byte/Limit Test Comparison131

Programming Data Manipulation Instructions132

Arithmetic Instructions134

Arithmetic Instruction Word135

Subtract Instruction136

Add Instruction136

Multiply Instruction137

Divide Instruction137

Programming Arithmetic138

Binary To Bcd Conversion141

Bcd To Binary Conversion Example Rung141

Binary To Bcd Conversion Format142

Binary To Bcd Conversion Example Rung143

Output Override And I/O Update144

Mcr And Zcl Zone Programming145

Scan Sequence146

Immediate Input Instruction148

Immediate Output149

Immediate Output Instruction150

Programming Immediate I/O151

Remote Fault Zone Programming152

Remote I/O Configuration Example153

Fault Status Bits154

Dependent Fault Zone Programming155

Dependent Programming155

Independent Programming156

Watchdog Timer159

Peripheral Functions161

Communication Rate Setting161

Switch Group Settings161

Contact Histogram162

Key Sequence For Setting Baud Rate162

Contact Histogram Functions163

Contact Histogram Display163

Digital Cassette Recorder164

Dumping Memory Content To Cassette Tape164

Loading Memory From Cassette Tape164

Program Verification165

Displaying And Locating Errors166

Data Cartridge Recorder166

Dumping Memory Content Onto Data Cartridge Tape166

Loading Memory From A Data Cartridge Tape167

Data Cartridge Verification168

Ladder Diagram Dump168

Total Memory Dump168

Data Table Printout In Hexadecimal169

Report Generation170

Alphanumeric Keytop Overlays172

Report Generation Commands173

Message Store - Ms174

Address Delimiters175

Message Print - Mp175

Message Report - Mr176

Message Delete - Md176

Message Index - Mi176

Control Codes And Special Commands176

Example Graphic/Alphanumeric Message177

Alphanumeric/Graphic Keytop Definitions178

Industrial Terminal Control Codes179

Ascii Control Codes180

Automatic Report Generation181

Parity Switch Location181

Additional Messages182

Bit Address Message Number Relationship182

Message Request Bit Done Bit Relationship183

Example Programming183

Example Program To Request A Message184

Block Transfer185

Module Position Image Table Byte Relationship186

Block Transfer Diagram187

Timer/Counter Block Transfer Analogy187

Block Transfer Instructions188

Block Transfer Format188

Data Address And Module Address188

Block Length189

File Address189

Enable Bit And Done Bit190

Causes Of Run Time Errors190

Data Table Locations For A Block Transfer Read Instruction191

Programming Multiple Reads From One Module194

Defining The Block Transfer Data Address Area195

Defining The Data Address Area195

Buffering Data196

Bidirectional Block Transfer198

Data Table Locations For Bidirectional Block Transfer200

Equal Block Lengths202

Unequal Block Lengths202

Jump Instructions And Subroutine Programming203

Jump To Label Operation204

Programming Jump/Subroutine Instructions205

Multiple Jumps To The Same Label205

Jump/Subroutine Programming206

Multiple Jumps To Label In User Program206

Multiple Jumps To Label In Subroutine Area207

Label Instruction208

Label Format208

Jump To Subroutine209

Jump To Subroutine Format210

Jump To Subroutine Label Operation211

Representative Subroutine Area213

Nested Subroutines213

Recursive Subroutine214

Subroutine Programming Considerations214

Return Instruction216

Return Format216

Data Transfer File Instructions217

File Concepts217

File Definition217

File Structure218

File Planning218

File Instructions218

File Instruction Format219

Externally Indexed Counter220

Example Of An Externally Indexed File Instruction220

Internally Indexed Counter220

Example Of An Internally Indexed File Instruction221

Modes Of Instruction Operation221

Complete Mode221

Complete Mode Operation222

Status Bits For Complete Mode223

Distributed Complete Mode223

Distributed Complete Mode Operation224

Status Bits For Distributed Complete Mode225

Incremental Mode226

Incremental Mode Operation226

Status Bits For Incremental Mode227

File Instruction Run Time Error228

File To File Move Operation229

Programming File To File Move Instructions230

File To File Move Format230

File To File Move Example Rung231

File To Word Move231

File To Word Move Operation232

Word To File Move234

File To Word Move Example Rung234

Word To File Move Operation235

Programming Word To File Move Instructions235

Word To File Move Format236

Data Monitor Mode237

Accessing The Data Monitor Mode237

Accessing The Display238

Example Hexadecimal Data Monitor Display Of File Instruction239

Data Monitor Display240

File Section240

Command Buffer240

Cursor Controls241

Field Cursor241

Field Cursor Commands And Scrolling241

Digit Cursor242

Digit Cursor Commands242

Specified Paging242

Entering And Changing Data243

Paging And Specified Paging243

Data Entry Commands244

Shift Register Instructions245

Shift File Up246

Programming Shift File Up247

Shift File Up Format248

Shift File Down249

Programming Shift File Down Instruction249

Shift File Up Example Rung249

Fifo Load And Fifo Unload250

Format For Fifo Load And Fifo Unload Instructions251

Programming Fifo Load And Fifo Unload Instruction252

Fifo Load And Fifo Unload Example Rung253

Bit Shift Left254

Bit Shift Left/Right Operation255

Programming Bit Shift Left256

Bit Shift Left Format257

Bit Shift Right258

Bit Shift Left Example Rung258

Programming Bit Shift Right259

Examine Off Shift Bit259

Programming Examine Off Shift Bit Instruction259

Examine Off Shift Bit Format260

Examine Off Shift Bit Example Rung260

Examine On Shift Bit261

Programming Examine On Shift Bit Instruction261

Set Shift Bit262

Programming Set Shift Bit Instruction262

Set Shift Bit Format263

Set Shift Bit Example Rung263

Programming Reset Shift Bit Instruction264

Reset Shift Bit Format264

Reset Shift Bit Example Rung264

Sequencer Instructions265

Comparison With File Instructions265

Sequencer Table266

Sequencer Table Format In The Data Table266

Sequencer Output267

Sequencer Output Analogy267

Operation Of The Sequencer Output Instruction268

Masking Output Data269

Programming The Sequencer Output Instruction270

Masking Transferred Data270

Sequencer Output Format271

Sequencer Output Example Rung272

Control Of Sequencer Outputs272

Sequencer Input Instruction274

Operation Of The Sequencer Input Instruction274

Masking Input Data274

Programming The Sequencer Input Instruction275

Sequencer Input Format275

Sequencer Load Instruction277

Sequencer Load Format279

Sequencer Load Example Rung280

File Logic Instructions281

File To File And282

Programming Of File To File Or Instruction285

File To File Xor285

Programming File To File Xor Instruction286

Programming File Complement Instruction287

File Complement Format287

Word To File Logic288

Word To File Logic Operations289

Programming Word To File And Instruction290

Programming Word To File Or Instruction292

Programming Word To File Xor Instruction293

File Search And File Diagnostic Instructions294

File Search Operation294

Programming File Search Instruction295

File Search Format296

File Diagnostics297

File Search Example Rung297

Programming File Diagnostic Instruction299

Troubleshooting Aids301

Bit Manipulation And Monitor302

Force On And Force Off Functions303

Forced Address Display304

Temporary End Instruction305

Err Message For An Illegal Op Code305

Special Programming Techniques307

Trailing Edge One Shot308

Addressing Your Hardware309

Hardware/Data Table Addressing Relationships310

Addressing Modes310

2 Slot Addressing311

Using 8 Point I/O Modules311

Using 16 Point I/O Modules314

Assigning I/O Rack Numbers315

1 Slot Addressing316

Assigning I/O Rack Numbers With 1 Slot Addressing318

System Configurations324

Number Systems326

Decimal Numbering System326

Octal Numbering System327

Binary Numbering System328

Binary Coded Decimal329

Binary Coded Octal330

Bcd Representation330

Hexadecimal Numbering331

Octal Representation331

Numbering System Conversion Chart331

Hexadecimal To Decimal Conversion332

Hexadecimal To Binary Conversion332

Programming .01 Second Timers333

Time Base Selection333

Timer Accuracy334

Timing Diagram335

10 Msec Timers - Typical Applications336

Hardware/Processor Considerations337

Program Execution338

Programming Compensation339

Program Scan Time Computation341

Advertisement

Table of Contents