The 1766-L32AWAA belongs to the trusted MicroLogix 1400 controller family from Allen-Bradley. This model stands out with its integrated analog I/O capabilities alongside standard digital points. It effectively handles both discrete and analog control tasks within a single compact unit. Moreover, its versatile communication options ensure seamless integration into new or existing systems.
Specifically, the Allen-Bradley 1766-L32AWAA offers a balanced feature set for machine control and small process applications. Its built-in web server allows for remote monitoring via standard browsers. Additionally, the controller supports a wide array of protocols, making it adaptable to various industrial networks. Consequently, this model provides excellent value for system integrators and OEMs alike. Furthermore, its expansion capability means it can grow alongside your application needs.
The 1766-L32AWAA controller operates on a supply voltage of 120 to 240V AC at 47-63 Hz. Its power consumption is rated at 100 VA. The unit provides 20 KB of memory for user programs and data storage. For time-critical applications, it includes a built-in real-time clock (RTC) for scheduling and event logging.
The I/O configuration is comprehensive. It features twenty (20) 120V AC discrete inputs with an operating range of 79-132V AC. For outputs, it provides twelve (12) relay outputs, rated from 5 to 125V DC or 5 to 264V AC. Notably, this model also includes analog capabilities: two (2) voltage analog inputs (0-10V DC) and two (2) voltage analog outputs. In total, this gives the 1766-L32AWAA a robust 32 discrete I/O points plus 4 analog channels.
Connectivity is a key strength of the MicroLogix 1400 series. The 1766-L32AWAA includes three communication ports. First, it has a primary serial port with a 9-pin sub-D RS-232C connector. Second, a secondary serial port features a circular 8-pin mini-DIN connector supporting RS-232/485. Third, an RJ45 Ethernet port supports 10/100 Mbps communication.
These ports support a wide range of protocols for maximum flexibility. The serial ports handle DF1 Full-Duplex, DF1 Half-Duplex, DH-485, Modbus RTU (Master/Slave), ASCII, and DNP3 Slave. Meanwhile, the Ethernet port supports Ethernet I/P, DNP3, and Modbus TCP/IP. Additionally, this Ethernet port provides access to an embedded web server. You can monitor and diagnose the controller using standard browsers like Chrome or Edge. This feature simplifies remote troubleshooting significantly.
The 1766-L32AWAA is built for standard industrial environments. Its open-style enclosure requires installation inside a control cabinet. The controller measures 90 x 180 x 87 mm (3.5 x 7.08 x 3.43 in). It weighs approximately 2 lbs (0.9 kg), making it easy to handle and mount.
Furthermore, the controller supports two mounting methods: panel mounting or DIN rail mounting. It is designed for horizontal orientation only. The unit includes a debris strip to protect internal electronics during installation. You should remove this strip after completing all wiring and panel work. This ensures proper airflow and cooling. Additionally, the controller is suitable for use in clean, dry locations with circuits not exceeding Over Voltage Category II.
Proper installation of the 1766-L32AWAA ensures reliable long-term operation. First, select a suitable mounting location inside a grounded enclosure. The environment should be free from excessive moisture, dust, and conductive contaminants. Next, choose either panel mounting with screws or secure it onto a standard DIN rail.
During installation, keep the factory-installed debris strip in place. This protects the circuit board from metal shavings and dust. After completing all drilling and cutting, remember to remove this strip. Then, proceed with wiring the power supply and I/O connections. Use copper conductors with appropriate temperature ratings. Verify that the input voltage matches the controller's rating before powering up. Finally, secure all wiring connections tightly to prevent intermittent faults.
Your purchase of the 1766-L32AWAA will include the following items:
1766-L32AWAA Controller Base Unit
Removable Terminal Blocks for I/O wiring
Debris Strip (pre-installed on the unit)
Quick Start Installation Guide
All orders are shipped via FedEx, UPS, or DHL for fast and reliable worldwide delivery.
What analog I/O does the 1766-L32AWAA include?
The 1766-L32AWAA includes two voltage analog inputs (0-10V DC) and two voltage analog outputs. This makes it suitable for applications requiring analog signal processing, such as speed control or pressure monitoring.
Can I expand the I/O of this MicroLogix 1400 controller?
Yes, you can. The Allen-Bradley 1766-L32AWAA supports expansion with up to seven 1762-series expansion I/O modules. This allows you to increase the total I/O count as your application grows.
What protocols does the Ethernet port support?
The Ethernet port on the 1766-L32AWAA supports Ethernet I/P, DNP3, and Modbus TCP/IP protocols. This enables seamless connectivity to HMIs, SCADA systems, and other networked devices.
Is the embedded web server accessible via standard browsers?
Yes, absolutely. The 1766-L32AWAA features a built-in web server that you can access using common web browsers like Google Chrome, Microsoft Edge, or Mozilla Firefox. This allows for remote monitoring and diagnostics.
What is the difference between the two serial ports?
The first serial port has a 9-pin sub-D RS-232C connector. The second serial port uses a circular 8-pin mini-DIN connector and supports RS-232/485. Both support the same protocol set, but the second port offers the additional flexibility of RS-485 for multi-drop networks.
| Brand Name | |
| Model No. | 1766-L32AWAA |
| Product Type | Programmable Logic Controller |
| hasMerchantReturnPolicy | Adjust according to reality |
| Shippingdetails | Adjust according to reality |
