Name: Automationdirect.com DirectLOGIC DL205 Series
Brand: Automationdirect.com
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DL205 User Manual, 4th Edition, Rev. B

5–214

Chapter 5: Standard RLL Instructions - ASCII

AIN Fixed Length Examples

Fixed Length example when the PLC is reading the port continuously and timing is not

critical

Fixed Length example when character to character timing is critical

Default Chapter5
- Table of Contents5
Chapter 1: Getting Started27
- Introduction27
- Conventions Used28
  - Key Topics for each Chapter28
- DL205 System Components29
- Programming Methods32
  - Directsoft Programming for Windows32
  - Handheld Programmer32
- Directlogic™ Part Numbering System33
- Quick Start for PLC Validation and Programming35
- Steps to Designing a Successful System38
Chapter 2: Installation, Wiring and Specifications41
- Safety Guidelines41
Mounting Guidelines44
- Base Dimensions44
- Panel Mounting and Layout45
- Enclosures46
- Environmental Specifications47
- Power47
- Marine Use48
- Agency Approvals48
- 24 VDC Power Bases48
Installing DL205 Bases49
- Choosing the Base Type49
- Mounting the Base49
- Using Mounting Rails50
Installing Components in the Base51
Base Wiring Guidelines52
- Base Wiring52
I/O Wiring Strategies53
- PLC Isolation Boundaries53
- Powering I/O Circuits with the Auxiliary Supply54
- Powering I/O Circuits Using Separate Supplies55
- Sinking / Sourcing Concepts56
- I/O "Common" Terminal Concepts57
- Connecting DC I/O to "Solid State" Field Devices58
- Solid State Input Sensors58
- Solid State Output Loads58
- Relay Output Guidelines60
- Relay Outputs - Transient Suppression for Inductive Loads in a Control System60
I/O Modules Position, Wiring, and Specification65
- Slot Numbering65
- Module Placement Restrictions65
D2-08ND3, DC Input69
D2-16ND3-2, DC Input69
D2-32ND3, DC Input70
D2-32ND3-2, DC Input71
D2-08NA-1, AC Input72
D2-08NA-2, AC Input73
D2-16NA, AC Input74
F2-08SIM, Input Simulator74
D2-04TD1, DC Output75
D2-08TD1, DC Output76
D2-08TD2, DC Output76
D2-16TD1-2, DC Output77
D2-16TD2-2, DC Output77
F2-16TD1(2)P, DC Output with Fault Protection78
F2-16TD1P, DC Output with Fault Protection79
F2-16TD2P, DC Output with Fault Protection80
D2-32TD1, DC Output81
D2-32TD2, DC Output81
F2-08TA, AC Output82
D2-08TA, AC Output82
D2-12TA, AC Output83
D2-04TRS, Relay Output84
D2-08TR, Relay Output85
F2-08TR, Relay Output86
F2-08TRS, Relay Output87
D2-12TR, Relay Output88
D2-08CDR, 4 Pt. DC Input / 4Pt. Relay Output89
Glossary of Specification Terms90
Chapter 3: CPU Specifications and Operations93
CPU Overview93
- General CPU Features93
- DL230 CPU Features93
- DL240 CPU Features93
- DL250-1 CPU Features94
- DL260 CPU Features94
CPU General Specifications95
CPU Base Electrical Specifications96
CPU Hardware Setup97
- Communication Port Pinout Diagrams97
- Port 1 Specifications98
- Port 2 Specifications99
Selecting the Program Storage Media100
- Built-In EEPROM100
- EEPROM Sizes100
- EEPROM Operations100
- Installing the CPU101
- Connecting the Programming Devices101
- CPU Setup Information102
- Status Indicators103
- Mode Switch Functions103
- Changing Modes in the DL205 PLC104
- Mode of Operation at Power-Up104
Using Battery Backup105
- DL230 and DL240105
- DL250-1 and DL260105
- Battery Backup105
- Auxiliary Functions106
- Clearing an Existing Program107
- Initializing System Memory107
- CPU Operation112
- I/O Response Time118
- CPU Scan Time Considerations120
- PLC Resources126
- PLC Numbering Systems126
- V-Memory127
- Binary-Coded Decimal Numbers127
- Hexadecimal Numbers127
Memory Map128
- Octal Numbering System128
- Discrete and Word Locations128
- V-Memory Locations for Discrete Memory Areas128
- Input Points (X Data Type)129
- Output Points (y Data Type)129
- Control Relays (C Data Type)129
- Timers and Timer Status Bits (T Data Type)129
- Timer Current Values (V Data Type)130
- Counters and Counter Status Bits (CT Data Type)130
- Counter Current Values (V Data Type)130
- Word Memory (V Data Type)130
- Stages (S Data Type)131
- Special Relays (SP Data Type)131
- Remote I/O Points (GX Data Type)131
DL230 System V-Memory132
DL240 System V-Memory134
DL250-1 System V-Memory (DL250 Also)137
DL260 System V-Memory140
DL205 Aliases143
DL230 Memory Map144
DL240 Memory Map145
DL250-1 Memory Map (DL250 Also)146
DL260 Memory Map147
Input/Y Output Bit Map148
Control Relay Bit Map150
Stage Control/Status Bit Map154
Timer and Counter Status Bit Maps156
Remote I/O Bit Map157
- DL205 System Design Strategies162
- Module Placement163
- Calculating the Power Budget167
- Local Expansion I/O171
- Expanding DL205 I/O177
- 10Basefl Network Cabling185
- Maximum Cable Length185
- Add a Serial Remote I/O Master/Slave Module186
- Configuring the Cpu's Remote I/O Channel187
- Configure Remote I/O Slaves189
- Configuring the Remote I/O Table189
- Remote I/O Setup Program190
- Remote I/O Test Program191
Network Connections to Modbus and Directnet192
- Configuring Port 2 for Modbus RTU192
- Modbus Port Configuration193
Network Slave Operation195
- Modbus Function Codes Supported195
- Determining the Modbus Address195
- If Your Host Software Requires the Data Type and Address195
- If Your Modbus Host Software Requires an Address ONLY198
- Example 1: V2100 584/984 Mode200
- Example 2: Y20 584/984 Mode200
- Example 3: T10 Current Value 484 Mode200
- Example 4: C54 584/984 Mode200
- Network Master Operation201
- Communications from a Ladder Program204
- Multiple Read and Write Interlocks204
Network Modbus RTU Master Operation (DL260 Only)205
- Modbus Function Codes Supported205
- Modbus Port Configuration206
- Network (Modbus Only)207
- RS-232 Network207
- Modbus Read from Network (MRX)208
- MRX Slave Memory Address209
- MRX Master Memory Addresses209
- MRX Number of Elements209
- MRX Exception Response Buffer209
- Modbus Write to Network (MWX)210
- MWX Slave Memory Address211
- MWX Master Memory Addresses211
- MWX Number of Elements211
- MWX Exception Response Buffer211
- Multiple Read and Write Interlocks212
Non-Sequence Protocol (ASCII In/Out and PRINT)214
- Configure the DL260 Port 2 for Non-Sequence214
- RS-485 Network215
- Configure the DL250-1 Port 2 for Non-Sequence216
- RS-422 Network217
Chapter 5 :Rllandintelligentbox(Ibox)Instructions219
Introduction219
Using Boolean Instructions222
- END Statement222
- Simple Rungs222
- Normally Closed Contact223
- Contacts in Series223
- Midline Outputs223
- Parallel Elements224
- Joining Series Branches in Parallel224
- Joining Parallel Branches in Series224
- Combination Networks224
- Comparative Boolean225
- Boolean Stack225
- Immediate Boolean226
Boolean Instructions227
Comparative Boolean244
Immediate Instructions250
Timer, Counter and Shift Register Instructions258
- Using Timers258
- Timer Example Using Discrete Status Bits260
Accumulator/Stack Load and Output Data Instructions270
Logical Instructions (Accumulator)288
Math Instructions305
Transcendental Functions (DL260 Only)338
Bit Operation Instructions340
Number Conversion Instructions (Accumulator)347
Clock/Calendar Instructions392
CPU Control Instructions394
Program Control Instructions396
Interrupt Instructions404
Intelligent I/O Instructions408
Network Instructions410
Message Instructions414
Modbus RTU Instructions (DL260)422
- Modbus Read from Network (MRX)422
- Modbus Write to Network (MWX)425
ASCII Instructions (DL260)428
Intelligent Box (Ibox) Instructions (DL250-1/DL260)447

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General

Brand	Automationdirect.com
Model	DirectLOGIC DL205 Series
Category	Controller
Language	English

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Automationdirect.com DirectLOGIC DL205 Series User Manual

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