Buy now: Allen-Bradley 1766-L32AWA MicroLogix 1400 PLC
Atlantechdrives provides you the 1766-L32AWA, a high-performance programmable logic controller from the MicroLogix 1400 family. Powered by 120/240V AC, this unit is designed for advanced standalone control, featuring a large I/O count, embedded Ethernet, and the unique ability to edit logic online.
- Input Power: 120/240V AC
- Digital Inputs: 20 120V AC Inputs
- Digital Outputs: 12 Relay Outputs (Individually Isolated)
- Communications: 1 Ethernet/IP, 2 Serial Ports (RS-232/485)
- Memory: 20KB (User Program and Data)
- Features: Built-in LCD with backlight
Technical Superiority: The Powerhouse of the 1400 Series
The 1766-L32AWA is engineered for industrial versatility. As the «Big Brother» of the MicroLogix family, it provides 20KB of memory, allowing for much more complex ladder logic and data logging than the 1100 or 1200 series. The embedded 10/100 Mbps Ethernet/IP port supports peer-to-peer messaging and web server capabilities, making it a perfect fit for modern Industry 4.0 environments. The 12 relay outputs are robust enough to switch both AC and DC loads up to 2.5A, and the 20 digital AC inputs allow for direct connection to 120V field devices without the need for interposing hardware. The integrated LCD screen allows operators to monitor I/O status, change IP addresses, and view user-defined messages directly on the PLC faceplate, providing a level of local interaction that is rare in compact controllers.
Installation Advice: Wiring for AC Power and Communication
When installing the 1766-L32AWA, ensure that your AC input power is clean and appropriately fused. For the 120V AC inputs, use high-quality 14-16 AWG wire and maintain clear separation from sensitive Ethernet cables to prevent electromagnetic interference. Because this module uses mechanical relays, we strongly recommend installing surge suppression (RC snubbers for AC loads) on all inductive devices to prevent contact arcing. If you are using the dual serial ports, remember that Channel 0 and Channel 1 can be configured for different protocols simultaneously, such as Modbus RTU on one and DF1 on the other, making the L32AWA a powerful protocol bridge for your facility.
Maintenance and Lifecycle Protection
The 1766-L32AWA is a robust industrial component, but the 1766-BA battery should be replaced every 3 years to ensure retentive data is not lost during long outages. The LCD backlight can be configured to turn off when not in use to extend its life. Sourcing your 1766-L32AWA from Atlantechdrives guarantees you get an authentic unit with the latest firmware enhancements, ensuring your critical machine control remains online and secure.
FAQs
Q: Does the 1766-L32AWA support expansion modules?
A: Yes, it supports up to 7 additional 1762 series expansion I/O modules.
Q: Can I edit the program while the PLC is running?
A: Yes, the 1766 series supports true Online Editing, allowing for logic changes without a production stop.
Do you need more references from this brand? Explore our full catalog of Allen-Bradley here.
