Name: Allen-Bradley MicroLogix 1400
Brand: Allen-Bradley
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Rockwell Automation Publication 1766-UM001I-EN-P - June 2015 143

Using the LCD Chapter 5

3. Select the Protocol Cfg using the Up and Down arrow keys, and then press

the OK key.

4. Select the Modbus RTU Sl and then press the OK key.

5. The Modbus RTU Slave screen is displayed. Channel 0 is selected below.

6. Press the Up or Down arrow key to select a different channel, Channel 2 in

this example. Press the OK key.

Default Chapter3
- Firmware Revision History3
Summary of Changes3
- Table of Contents5
Preface13
- Purpose of this Manual13
  - Related Documentation14
- Who Should Use this Manual13
- Common Techniques Used in this Manual14
Chapter 115
- Hardware Features15
Hardware Overview15
- Component Descriptions16
  - Micrologix 1400 Memory Module and Built-In Real-Time Clock16
  - 1762 Expansion I/O17
- Communication Cables18
- Programming18
- Communication Options19
- Agency Certifications21
Chapter 221
- Compliance to European Union Directives21
  - EMC Directive21
  - Low Voltage Directive22
Install Your Controller21
- Installation Considerations22
- Safety Considerations23
- Power Considerations25
- Master Control Relay27
- Preventing Excessive Heat27
- Installing a Memory Module30
- Using the Battery31
  - Connecting the Battery Wire Connector32
- Controller and Expansion I/O Spacing33
- Controller Mounting Dimensions33
- Mounting the Controller34
  - DIN Rail Mounting35
  - Panel Mounting36
- 1762 Expansion I/O Dimensions37
- Mounting 1762 Expansion I/O37
  - DIN Rail Mounting37
  - Panel Mounting38
- Connecting Expansion I/O39
Chapter 3 Wiring Requirements41
- Wiring Recommendation41
- Wire Without Spade Lugs42
- Wire with Spade Lugs42
Wire Your Controller41
- Using Surge Suppressors43
  - Recommended Surge Suppressors44
- Grounding the Controller45
- Wiring Diagrams46
  - Terminal Block Layouts47
- Sinking and Sourcing Wiring Diagrams50
  - 1766-L32BWA, 1766-L32AWA, 1766-L32BXB, 1766-L32BWAA, 1766-L32AWAA, 1766-L32BXBA Wiring Diagrams50
- Controller I/O Wiring52
  - Minimizing Electrical Noise52
- Wiring Your Analog Channels53
- Expansion I/O Wiring56
  - Digital Wiring Diagrams56
  - Analog Wiring64
Chapter 473
Communication Connections73
- Supported Communication Protocols73
- Default Communication Configuration74
- Using the Communications Toggle Functionality74
  - Changing Communication Configuration75
- Connecting to the RS-232 Port77
- Connecting to a RS-485 Network84
- Connecting the AIC90
- Connecting to Ethernet97
  - Ethernet Connections98
Using the LCD99
Chapter 5 Using the LCD Operating Principles100
- Main Menu and Default Screen103
- Operating Buttons105
- Using Menus to Choose Values105
- Selecting between Menu Items105
- Cursor Display106
- Setting Values107
- Operating Principles100
- I/O Status107
  - Viewing I/O Status108
- Monitor User Defined Target Files109
  - Target User Defined File Number (TUF)109
  - Monitoring a Bit File110
  - Monitoring Integer Files114
  - Monitoring Double Integer Files119
  - Monitor Floating Point Files125
  - Monitor System Status Files125
- Using the Mode Switch126
  - Controller Modes127
  - Changing Mode Switch Position127
- Using a User Defined LCD Screen129
  - User Defined LCD Screen130
- Configuring Advanced Settings131
- Changing Key in Mode132
  - Key in Modes132
- Ethernet Network Configuration134
  - Viewing Ethernet Status134
  - Configuring the IP Address136
  - Configuring the Ethernet Port140
  - Configuring Ethernet Protocol Setup142
- Using Communications Toggle Functionality134
- Using Trim Pots145
  - Trim Pot Operation145
  - Changing Data Value of a Trim Pot146
  - Trim Pot Configuration in LCD Function File147
  - Error Conditions147
- Viewing System Information148
- Viewing Fault Code149
- Saving/Loading Communication EEPROM150
  - Saving Communication EEPROM150
  - Loading Communication EEPROM153
- LCD Setup153
  - Configuring Contrast Value154
  - Configuring the Backlight155
- Protocol Configuration156
  - Modbus RTU Slave Node Address156
Chapter 6161
- Operation at Power-Up and Entering a Run or Test Mode161
- Writing Data to the Real-Time Clock161
- RTC Battery Operation162
- Real-Time Clock Operation161
- Memory Module Operation162
Chapter 7 Editing User165
- A Download Is Required before Starting Online Editing165
- Types of Online Editing166
  - Edit Functions in Runtime Online Editing167
  - Edit Functions in Program Online Editing167
Appendix A169
- Specifications for Inputs169
- Working Voltage174
- Expansion I/O Specifications175
Appendix B189
- Lithium Battery (1747-BA)189
- Micrologix 1400 Replacement Kits189
Appendix C195
- Controller Status LED Indicators195
- Status Indicators on the LCD196
- I/O Status Indicators on the LCD197
- Normal Operation197
- Error Conditions197
- Understanding the Controller Status Indicators195
- Controller Error Recovery Model198
- Analog Expansion I/O Diagnostics and Troubleshooting200
- Calling Rockwell Automation for Assistance203
Appendix D205
- Install Controlflash Software205
- Prepare the Controller for Firmware Upgrade206
- Preparing for Firmware Upgrade205
- Using Controlflash for Firmware Upgrade207
- Controlflash Error Messages217
- Missing or Corrupt os State219
  - Recovering from Missing or Corrupt os State220
Appendix E221
- Communication Interface221
- DF1 Full-Duplex Protocol221
- DF1 Half-Duplex Protocol222
- Communication Protocol225
- Ascii233
- Distributed Network Protocol (DNP3)233
- Modbus Communication Protocol233
Appendix F Channel Configuration for DNP3 Slave235
- Channel 0 and Channel 2 Link Layer Configuration237
- Channel 1 Link Layer Configuration238
- DNP3 Slave Application Layer Configuration240
- Channel 0 and Channel 2 Link Layer Configuration Parameters242
- Channel 1(Ethernet) Link Layer Configuration Parameters246
- DNP3 Slave Application Layer Configuration Parameters251
Micrologix 1400 Distributed235
- DNP3 Slave Application Layer264
  - Function Codes265
  - Internal Indications270
- DNP3 Objects and Micrologix 1400 Data Files270
- DNP3 Device Attribute Object312
- Event Reporting315
- Collision Avoidance324
- Time Synchronization325
- Download a User Program Via DNP3 Network326
- Diagnostics334
  - Diagnostics for Ethernet Channel (Channel 1)340
  - Diagnostics for Secure Authentication347
- Function Codes349
- Implementation Table351
- Micrologix 1400 Controllers and Ethernet Communication365
Appendix G366
- Micrologix 1400 Performance Considerations366
- Micrologix 1400 and PC Connections to the Ethernet Network367
- Ethernet Connections370
- Duplicate IP Address Detection371
- Configuring the Ethernet Channel on the Micrologix 1400372
- Configuration Using Rslogix 500/Rslogix Micro Programming374
- Configuration Via BOOTP374
  - Using the Rockwell Automation BOOTP/DHCP Utility375
- Software374
- Using a DHCP Server to Configure Your Processor377
- Using Subnet Masks and Gateways378
  - Manually Configuring Channel 1 for Controllers on379
  - Subnets379
- Micrologix 1400 Embedded Web Server Capability379
- System Loading Calculations381
Appendix H System Loading Example Calculations382
- System Loading Worksheet383
  - Current Loading383
- Calculating Heat Dissipation385

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Allen-Bradley MicroLogix 1400 Specifications

General

Processor	32-bit
Expansion Modules	Up to 7 expansion I/O modules
Power Supply	24V DC or 120/240V AC
Programming Software	RSLogix 500
Communication Ports	Ethernet, RS-232/RS-485 combo port
Controller Type	Programmable Logic Controller (PLC)
Series	MicroLogix
Digital Outputs	12
Analog Inputs	6 (embedded)
Analog Outputs	2 (embedded)
High-Speed Counter	6 high-speed counters
Pulse Output	2 (embedded)
Ethernet Port	Yes