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Quick Overview

Manufactured By: ALLEN BRADLEY
Manufacturer Part Number: 1766-L32BWA
IMS Product Code: 1735625
Variation: Unspecified
Unspecified Series: B
Packaging: Sold Individually


The MicroLogix 1400 system offers higher I/O count, faster high-speed counter/PTO, and enhanced network capabilities. MicroLogix 1400 controllers without embedded analog come with 32 digital I/O count, while analog versions have 32 digital I/O and 6 analog I/O. All versions can be expanded using up to seven 1762 I/O modules — the same I/O modules that MicroLogix 1100 and 1200 controllers utilize.

The MicroLogix 1400 controller houses embedded inputs, outputs, power supply, and communication ports. It also provides the interface to expansion I/O when required by an application.


  • Up to six embedded 100 kHz high-speed counters (on controllers with DC inputs).
  • Two serial ports with DF1/DH-485/Modbus RTU/DNP3/ASCII protocol support.
  • Embedded 10/100 Mbps Ethernet port with EtherNet/IP, Modbus TCP/IP and DNP3 over IP support
  • 10K words user program memory and 10K words user data memory.
  • Up to 128 KB for data logging and 64 KB for recipe.
  • Program with RSLogix 500 or RSLogix Micro programming software.


Specification1766 Controllers
Operating Temperature-20…60 °C (-4…140 °F)
Nonoperating Temperature-40…85 °C (-40…185 °F)
Relative Humidity5…95% noncondensing
Vibration3 g at 10... 500 Hz
Operating Shock30 g
Nonoperating ShockPanel mount: 50 g
DIN mount: 40 g
Certifications⋆ UL Listed Industrial Control Equipment for use in Class 1, Division 2, Hazardous Locations, Groups A, B, C, D
CE marked for all applicable directives
C-Tick marked for all applicable acts


 MicroLogix 1400 Controllers with Digital I/O
Line Voltage120/240V AC
Memory Size and Type20 kB battery-backed RAM:
10 kB user program
10 kB user data
Data Elementsconfigurable, user-defined file structure, 10 KB max. data size
Data Logging128 KB (without recipe), 64 KB recipe storage
Battery BackupYes
Number of Inputs(12) Fast 24V DC
(8) Normal 24V DC
Number of Outputs(12) Relay
Serial Port(1) RS-232C/RS-485§ 
(1) RS-232C♣ 
Serial ProtocolsDF1 full-duplex
DF1 half-duplex master/slave
DF1 radio modem
Modbus RTU master/slave
DNP3 slave
Ethernet Port(1) 10/100 EtherNet/IP port
Ethernet ProtocolsEtherNet/IP messaging only
Modbus TCP/IP
DNP3 Over IP
Trim Potentiometers2 digital
High-Speed Inputs (Pulse Catch)Up to 6 channels @ 100 kHz
Real-time ClockYes, embedded
PIDYes (limited by loop and stack memory)
Pulse Width Modulated
Pulse Train Outputs
Dual Axis Servo Control
Embedded LCDYes
Floating Point MathYes
Online Editing



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Product images shown are for illustration purposes only and may not be an exact representation of the product you will receive. IMS Supply is not an authorized distributor, reseller or representative of Allen Bradley. All product names, trademarks, brands and logos used on this site are the property of their respective owners and are used for identification purposes only.