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Allen-Bradley MicroLogix 1400 User Manual

Allen-Bradley MicroLogix 1400
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viii Rockwell Automation Publication 1766-UM001I-EN-P - June 2015
Table of Contents
Trim Pot Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Changing Data Value of a Trim Pot . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Trim Pot Configuration in LCD Function File . . . . . . . . . . . . . . . . 133
Error Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Viewing System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Viewing Fault Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Saving/Loading Communication EEPROM . . . . . . . . . . . . . . . . . . . . . . . 136
Saving Communication EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Loading communication EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
LCD setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Configuring contrast value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Configuring the backlight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Protocol Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Modbus RTU Slave Node Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Chapter 6
Using Real-Time Clock and
Memory Modules
Real-Time Clock Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Operation at Power-up and Entering a Run or Test Mode. . . . . . . 147
Writing Data to the Real-Time Clock . . . . . . . . . . . . . . . . . . . . . . . . . 147
RTC Battery Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Memory Module Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
User Program , User Data, Datalog and Recipe Back-up. . . . . . . . . 149
Program Compare . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Data File Download Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Memory Module Write Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Removal/Insertion Under Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Memory Module Information File . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Program /Data Download . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Program /Data Upload. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Chapter 7
Online Editing
Directions and Cautions for MicroLogix 1400 Online
Editing User . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
A Download is Required Before Starting Online Editing . . . . . . . . 151
Types of Online Editing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Edit Functions in Runtime Online Editing. . . . . . . . . . . . . . . . . . . . . 153
Edit Functions in Program Online Editing. . . . . . . . . . . . . . . . . . . . . 153
Appendix A
Specifications
Specifications for Inputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Working Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Expansion I/O Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Digital I/O Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Analog Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167

Table of Contents

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Allen-Bradley MicroLogix 1400 Specifications

General IconGeneral
Processor32-bit
Expansion ModulesUp to 7 expansion I/O modules
Power Supply24V DC or 120/240V AC
Programming SoftwareRSLogix 500
Communication PortsEthernet, RS-232/RS-485 combo port
Controller TypeProgrammable Logic Controller (PLC)
SeriesMicroLogix
Digital Outputs12
Analog Inputs6 (embedded)
Analog Outputs2 (embedded)
High-Speed Counter6 high-speed counters
Pulse Output2 (embedded)
Ethernet PortYes

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