OVERVIEW

Official designation: Allen-Bradley 1766-L32AWAA (MicroLogix 1400 Series, Programmable Controller)

Role/Application: This controller features 20 AC inputs, 12 relay outputs, 6 analog I/O, 20 KB memory, and integrated Ethernet, suitable for complex industrial automation systems.

KEY SPECS SUMMARY

Power: 120/240 V AC

Interfaces / Ports: Ethernet, 2x Serial

Indicators: LCD and I/O LEDs

Operating Temp: 0 to 55 degrees C

Platform / Compatibility: MicroLogix 1400

Limit: Max 7 expansion I/O

Lifecycle: Active Mature

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the input type and resolution of the integrated analog channels?

A: The unit features four analog inputs and two outputs with 12-bit resolution (unipolar/bipolar).

Wiring & Installation:

Q: What is the minimum and maximum size of wire that can be used on the I/O terminals?

A: Terminals accept wire sizes ranging from 0.33 to 2.08 square millimeters (22 to 14 AWG).

Troubleshooting & Compatibility:

Q: Can the serial ports on the controller be independently configured for different protocols?

A: Yes, the two serial ports can be configured for DF1, DH-485, or Modbus RTU communication.

Replacement & Upgrades:

Q: Does the controller require a separate battery for user program and data retention?

A: No, it uses an internal capacitor for retention, but a battery module is available for non-volatile storage.