1766-L32BXBA
1766-L32BXBA
1766-L32BXBA
1766-L32BXBA
1766-L32BXBA
1766-L32BXBA
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    Apter Power reconciles analog terminals, enhanced FET roles, and project evidence before commercial coordination.

1766-L32BXBA

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Pulse-capable FET channels and onboard voltage I/O share one 24 V DC controller in Allen-Bradley 1766-L32BXBA, the mixed-output analog MicroLogix 1400 configuration.
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Technical specifications for 1766-L32BXBA

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1766-L32BXBA
  • Product Family:
    MicroLogix
  • Product Type:
    MicroLogix 1400 Programmable Controller with Analog I/O
  • Stock:
    1
  • User memory:
    20 KB
  • Digital inputs:
    12 high-speed and 8 standard, 24 V DC sinking/sourcing
  • Digital outputs:
    6 relay and 6 FET
  • High-speed outputs:
    FET outputs 2, 3, and 4
  • Analog inputs:
    4 single-ended, 0…10 V DC
  • Analog outputs:
    2 single-ended, 0…10 V DC
  • Analog resolution:
    12 bit
  • Controller supply:
    24 V DC Class 2 SELV
  • Power consumption:
    50 W
  • Ethernet interface:
    Isolated
  • Expansion bus:
    Up to 7 Bulletin 1762 modules
  • Operating temperature:
    -20…60 °C
  • Weight:
    0.9 kg
  • Estimated shipping dimensions:
    9 x 18 x 8.7 cm
  • Tariff Code:
    8537101190
  • Country of origin:
    Singapore
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Analog Setup Output Roles Integration Product Applications

Features:

  • Mixed-signal architecture: onboard digital, analog, relay, and FET channels
  • Pulse control: selected FET points support enhanced PTO or PWM operation
  • DC platform: 24 V DC controller power with Ethernet, serial, and expansion interfaces
1766-L32BXBA is the broadest embedded-I/O variant among the DC-powered MicroLogix 1400 configurations.

Its analog and enhanced FET facilities solve different tasks and must be commissioned with different references, loads, and diagnostics.

The full BXBA suffix should remain attached to the project, terminal schedule, network record, and purchase request because adjacent variants remove analog channels or change controller power.
Apter Power can coordinate official-document checks, quotation, and sourcing support for 1766-L32BXBA.
Allen-Bradley 1766-L32BXBA MicroLogix 1400 Programmable Controller with Analog I/O Manuals, Datasheets, Links
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Raw data: verify the twelve-bit input and output counts before applying engineering-unit scaling.
  • Reference path: measure every signal against COM ANA and resolve field-potential differences before blaming a channel.
  • Shield practice: use separated shielded cable and ground the drain at one end only to control induced noise.
  • Pulse points: reserve FET outputs 2, 3, and 4 for qualified PTO or PWM tasks within the high-speed limits.
  • Contact loads: map relay commons, suppression, and safe states separately from the transistor-return design.
  • Functional proving: test waveform, steady load, and fault-state behavior for each output technology.
  • DC source: record the qualified controller supply, polarity, inrush performance, and field-power separation.
  • Communication restore: preserve Ethernet and serial protocol roles, addresses, timing, and peer data maps.
  • Local I/O: retain the Bulletin 1762 module order and bus-current worksheet with the commissioned project.
  • Mixed signal machines: combine DC sensors, voltage process signals, relay loads, and solid-state outputs.
  • Pulse command systems: use eligible FET channels for qualified PTO or PWM tasks.
  • Connected compact automation: integrate local expansion and supported Ethernet or serial messaging.
Description
1766-L32BXBA combines the 24 V DC powered BXB platform with four voltage inputs and two voltage outputs. It retains twenty DC inputs plus a mixed bank of relay and FET outputs, allowing one controller to handle discrete sensing, pulse-capable actuation, and qualified analog signals.

The enhanced FET channels in 1766-L32BXBA are limited to outputs 2, 3, and 4, while the analog channels use twelve-bit unsigned data and a non-isolated internal reference. Those boundaries require separate commissioning checks for pulse waveforms, analog grounding, scaling, and field-load behavior.

For a controlled replacement of 1766-L32BXBA, match the DC supply, complete output map, analog terminal use, network settings, expansion bank, project revision, and controller series. A BXB spare lacks the embedded analog channels, while AC-powered variants change the panel supply architecture.
Revisions

Revision Part #

Also known as

1766-L32BXBA Series A
1766-L32BXBA/A, Series A
1766-L32BXBA Series B
1766-L32BXBA/B, Series B
1766-L32BXBA Series C
1766-L32BXBA/C, Series C
Alternative Names
Allen-Bradley 1766-L32BXBA Rockwell Automation 1766-L32BXBA AB 1766-L32BXBA 1766L32BXBA 1766 L32BXBA MicroLogix 1400 1766-L32BXBA
Technical notes
A mixed output schedule can misconfigure 1766-L32BXBA because relay points, standard FET points, and enhanced FET outputs 2, 3, and 4 have different behavior. Label each terminal by technology and stop the test whenever a PTO or PWM instruction targets a relay or non-enhanced channel.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Why can 1766-L32BXBA show stable raw analog counts but an incorrect engineering value?
Compare the project scaling endpoints and data type with the documented unsigned range, inject known voltages, and verify channel assignment before changing calibration factors.
How should a technician diagnose a pulse load that responds slowly on 1766-L32BXBA?
Identify whether the point is relay, standard FET, or enhanced FET; confirm that outputs 2, 3, or 4 are used for high-speed mode, then measure the commanded waveform at the terminal.
Why can an analog output from 1766-L32BXBA measure correctly unloaded but collapse after the field device is connected?
Measure the channel against COM ANA under the real load, compare field-device input demand with the documented output capability, inspect cable continuity and reference potential, and isolate the load before replacing hardware.
How can a 24 V DC supply problem be separated from a logic fault on 1766-L32BXBA?
Trend voltage at the controller during startup and simultaneous output activity, inspect return drop and source inrush capacity, then compare LEDs and fault records before altering the program.
Which records are needed to migrate Ethernet messaging from 1766-L32BXBA to a replacement unit?
Retain the protocol role, IP settings, message instructions, peer addresses, data types, update timing, routing, and a tested project backup; then prove controlled transactions before reconnecting production tags.
How can procurement distinguish 1766-L32BXBA from the non-analog BXB model before shipment?
Require full catalog and series photographs, the analog terminal legend, project I/O evidence, condition details, and a pre-shipment label check against the purchase order.

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