What embedded I/O mix identifies the 1766-L32BXB controller?

It provides 20 digital inputs and 12 outputs: 12 fast plus 8 standard 24 VDC inputs, 6 relay outputs, 3 fast DC outputs and 3 standard DC outputs.

For 1766-L32BXB, which supply is required by the BXB catalog variant?

The exact 1766-L32BXB uses a 24 VDC controller supply. Verify polarity and the documented field commons before applying power.

For 1766-L32BXB, why must fast and standard input assignments be recorded separately?

Twelve inputs are documented as fast and eight as standard 24 VDC inputs; transferring conductors without preserving those assignments can change machine timing behavior.

For 1766-L32BXB, how should relay and transistor output loads be separated during rewiring?

Keep the six relay circuits distinct from the three fast and three standard 24 VDC transistor outputs, including their commons, load voltages and protection.

For 1766-L32BXB, which serial protocols can the MicroLogix 1400 project use?

The documented serial options include DF1, DH-485, Modbus RTU, ASCII and DNP3; restore the exact channel mode, baud rate, node and framing used by the project.

For 1766-L32BXB, what must be checked on the isolated Ethernet port?

Confirm the recorded IP settings and the intended EtherNet/IP messaging, Modbus TCP/IP or DNP3-over-IP service before reconnecting the production network.

For 1766-L32BXB, how should the 20 KB user-memory project be restored?

Use the approved RSLogix 500 project and compatible firmware, verify that the application fits the documented 20 KB memory and confirm the controller enters the intended operating mode.

Why are 1766-L32BWA and 1766-L32BXBA not automatic substitutes for 1766-L32BXB?

They are different catalog identities. Match the full 1766-L32BXB power, embedded-I/O and communications configuration before approving any replacement.

Allen-Bradley 1766-L32BXB MicroLogix Controller

Name: 1766-L32BXB
Brand: Allen-Bradley
SKU: 1766-L32BXB

1766-L32BXB

MicroLogix Controller

In Stock

Ships by Monday, October 5

Fast Shipping Available

Technical specifications for 1766-L32BXB

Manufacturer:

Allen-Bradley

Product Category:

PLC Systems

Spare Part Number:

1766-L32BXB

Estimated shipping dimensions:

18x11x9cm

Weight:

0.9 kg

Tariff Code:

8537101190

Counliy of origin:

USA

Power supply:

24 V DC

Digital inputs:

12 fast plus 8 standard 24 V DC inputs

Relay outputs:

Fast DC outputs:

3 fast 24 V DC outputs

Standard DC outputs:

3 standard 24 V DC outputs

Total I/O:

20 inputs and 12 outputs

User memory:

20 KB

Ethernet interface:

Isolated Ethernet port

Serial protocols:

DF1, DH-485, Modbus RTU, ASCII and DNP3

Ethernet protocols:

EtherNet/IP messaging, Modbus TCP/IP and DNP3 over IP

Embedded analog:

None

Lifecycle status:

Active Mature

Installation publication:

1766-IN001

Information

Overview Manuals Common Applications Product Precautions

Allen-Bradley 1766-L32BXB is MicroLogix Controller. It combines embedded discrete I/O, twenty kilobytes of memory, serial protocols and an isolated Ethernet port in one controller.

Provides twenty embedded digital inputs
Provides six relay and six DC transistor outputs
Supports serial industrial protocols
Provides isolated Ethernet communications

1766-L32BXB operates with 24 VDC controller supply, documented MicroLogix 1400 field wiring, serial and Ethernet networks, RSLogix 500 project and approved firmware.

Engineered applications include Standalone machine control, Mixed relay and high-speed output control, EtherNet/IP supervisory messaging, MicroLogix 1400 controller replacement.

Important Notice: Verify 24 VDC polarity, fast-I/O assignments, relay commons, serial protocol and Ethernet parameters; do not substitute the visually similar BWA or BXBA catalog numbers.

Allen-Bradley 1766-L32BXB Manuals & Downloads

Allen-Bradley 1766-L32BXB Technical Reference (PDF)Allen-Bradley 1766-L32BXB Installation & Commissioning Guide (PDF)

Important Notice: The first document presents exact-model technical and engineering data. The second provides a separate installation, connection, commissioning and acceptance workflow.

Standalone machine control

Executes compact-machine logic with embedded I/O.

Mixed relay and high-speed output control

Handles mixed relay and transistor loads.

EtherNet/IP supervisory messaging

Exchanges controller data with supervisory hosts.

MicroLogix 1400 controller replacement

Restores the exact BXB I/O and communications identity.

Read the applicable Allen-Bradley instructions before work. Verify 1766-L32BXB and the installed Allen-Bradley MicroLogix 1400 control system configuration.

Verify the complete 1766-L32BXB marking and its assigned Allen-Bradley MicroLogix 1400 control system position before work.

Place the connected standalone machine control process in the approved maintenance state.

Isolate applicable power and embedded digital I/O, serial communications and Ethernet controller data field energy before disconnection.

Record every connector, conductor, address, firmware and software identity before removal.

Use ESD controls and protect keyed interfaces, exposed contacts and electronic assemblies.

Confirm the installed 24 VDC controller supply and documented MicroLogix 1400 field wiring against the approved project.

Restore power in a controlled sequence and review device, network and host diagnostics.

Prove the intended mixed relay and high-speed output control function and retain the final test result.

FAQS

What embedded I/O mix identifies the 1766-L32BXB controller?

It provides 20 digital inputs and 12 outputs: 12 fast plus 8 standard 24 VDC inputs, 6 relay outputs, 3 fast DC outputs and 3 standard DC outputs.
For 1766-L32BXB, which supply is required by the BXB catalog variant?

The exact 1766-L32BXB uses a 24 VDC controller supply. Verify polarity and the documented field commons before applying power.
For 1766-L32BXB, why must fast and standard input assignments be recorded separately?

Twelve inputs are documented as fast and eight as standard 24 VDC inputs; transferring conductors without preserving those assignments can change machine timing behavior.
For 1766-L32BXB, how should relay and transistor output loads be separated during rewiring?

Keep the six relay circuits distinct from the three fast and three standard 24 VDC transistor outputs, including their commons, load voltages and protection.
For 1766-L32BXB, which serial protocols can the MicroLogix 1400 project use?

The documented serial options include DF1, DH-485, Modbus RTU, ASCII and DNP3; restore the exact channel mode, baud rate, node and framing used by the project.
For 1766-L32BXB, what must be checked on the isolated Ethernet port?

Confirm the recorded IP settings and the intended EtherNet/IP messaging, Modbus TCP/IP or DNP3-over-IP service before reconnecting the production network.
For 1766-L32BXB, how should the 20 KB user-memory project be restored?

Use the approved RSLogix 500 project and compatible firmware, verify that the application fits the documented 20 KB memory and confirm the controller enters the intended operating mode.
Why are 1766-L32BWA and 1766-L32BXBA not automatic substitutes for 1766-L32BXB?

They are different catalog identities. Match the full 1766-L32BXB power, embedded-I/O and communications configuration before approving any replacement.

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1766-L32BXB

Product Describe：

Ask our team:

Warranty Policy

Return Notice

Shipping Method

Parts Availability

How to order

Technical specifications for 1766-L32BXB

Technical specifications for 1766-L32BXB

Information

Information

Technical notes

Technical notes

Our World，Made Possible By Manufacturing.

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