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1769-L27ERM-QBFC1B

/ 4.9
1001 reviews | Need a Specific Revision?
By combining four-axis Integrated Motion with mixed embedded I/O, Allen-Bradley 1769-L27ERM-QBFC1B serves compact machines that link process measurements with synchronized drive control.
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Technical specifications for 1769-L27ERM-QBFC1B

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1769-L27ERM-QBFC1B
  • Product Family:
    CompactLogix
  • Product Type:
    CompactLogix 5370 Packaged Mixed I/O Motion Controller
  • Stock:
    1
  • User memory:
    1 MB
  • Integrated motion axes:
    4
  • Maximum EtherNet/IP nodes:
    16
  • Embedded digital inputs:
    16 sinking/sourcing at 24 V DC
  • Embedded digital outputs:
    16 sourcing transistor
  • Universal analog inputs:
    4
  • Analog outputs:
    2
  • High-speed counter inputs:
    4
  • Maximum Compact I/O expansion:
    4 modules
  • Ethernet ports:
    2 embedded-switch ports
  • Programming port:
    USB
  • Power consumption:
    21 W
  • Weight:
    1.9 lbs (0.9 kg)
  • Estimated shipping dimensions:
    11.8x14x10.5cm
  • Tariff Code:
    8537101190
  • Country of origin:
    Malaysia
  • 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 Motion Timing Mixed-Signal Logic Network Budget Product Applications

Features:

  • Integrated functional scope: motion axes and mixed embedded I/O operate in one packaged controller
  • Cross-domain project: drive timing, analog values, counters, and discrete states can interact in logic
  • Switched motion network: the two EtherNet/IP ports support the documented linear or DLR design
1769-L27ERM-QBFC1B is the most functionally combined packaged controller in this review because motion and multiple embedded signal classes share the same project.

That combination is useful only when signal configuration and motion behavior are commissioned as related machine functions rather than separate hardware checklists.

The full catalog number should anchor every recovery record so the motion-enabled mixed-I/O package is not reduced to a generic CompactLogix replacement.

Apter Power supports official-document review, quotation coordination, and procurement planning for 1769-L27ERM-QBFC1B.
Allen-Bradley 1769-L27ERM-QBFC1B CompactLogix 5370 Packaged Mixed I/O Motion Controller 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.
  • Axis boundary: remain within the published four-axis Integrated Motion capacity.
  • Drive record: preserve each supported catalog, firmware, feedback, tuning, and ownership definition.
  • CIP Sync: retain the approved time source, update periods, and managed network path.
  • Motion proof: validate single axes before testing coordinated movement.
  • Analog use: document sensor mode, scaling, alarms, and every motion permissive using the value.
  • Counter reference: preserve mode, filters, polarity, and the logic comparing counts with axis position.
  • Output command: retain range, load, and safe-state behavior for each analog output.
  • Discrete interlock: map local inputs and sourcing outputs to the approved machine sequence.
  • Node scope: allocate the sixteen-node boundary across drives, I/O, and supervisory equipment.
  • Traffic demand: evaluate synchronized motion updates together with ordinary I/O and messages.
  • Local extension: keep the Compact I/O bank within four modules and its bus-current calculation.
  • Fault recovery: test permitted DLR or linear-network interruptions under controlled motion conditions.
  • Integrated motion control: coordinate as many as four supported axes over EtherNet/IP.
  • Mixed-signal machine control: combine discrete, universal analog, analog output, and counter functions.
  • Measurement-informed motion: use configured local process or event signals within the Logix project.
  • Linear or DLR systems: connect approved drives and devices through the embedded switch topology.
Description
Motion control and mixed embedded I/O are combined in 1769-L27ERM-QBFC1B. The packaged CompactLogix 5370 controller supports four Integrated Motion axes while also handling discrete, universal analog, analog output, and high-speed counter tasks locally.

The 1769-L27ERM-QBFC1B project connects drive timing with process and machine signals through one controller and a switched EtherNet/IP architecture. This shared environment allows analog or counter information to influence the same sequence that commands coordinated axes.

A reliable 1769-L27ERM-QBFC1B spare therefore depends on more than restoring logic. Motion definitions and local signal configuration must return together so that the machine’s mechanical reference, measurements, outputs, and network timing remain consistent.
Revisions

Revision Part #

Also known as

1769-L27ERM-QBFC1B Series A
1769-L27ERM-QBFC1B/A, Series A
Alternative Names
Allen-Bradley 1769-L27ERM-QBFC1B motion controller Rockwell Automation 1769-L27ERM-QBFC1B AB 1769 L27ERM QBFC1B 1769L27ERMQBFC1B CompactLogix CompactLogix packaged motion controller 1769-L27ERM-QBFC1B 1769-L27ERM-QBFC1B mixed I/O PLC
Technical notes
A scaled analog signal on 1769-L27ERM-QBFC1B can alter a motion permissive or limit even when the servo system itself is healthy. Trace the channel mode, engineering conversion, and dependent motion logic together; stop axis testing when the measured field process value cannot be proven independently.
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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 an analog fault change motion behavior on 1769-L27ERM-QBFC1B?
A scaled value may drive a speed, limit, permissive, or sequence condition. Trace the sensor, channel mode, scaling, logic dependency, and mechanical effect before adjusting the axis.
What should be compared when a counter and servo position disagree on 1769-L27ERM-QBFC1B?
Compare the mechanical reference, encoder polarity, counter mode and filter, axis feedback scaling, time base, wiring, and the logic that relates both measurements.
How should another drive be evaluated before adding it to 1769-L27ERM-QBFC1B?
Confirm remaining four-axis and sixteen-node capacity, synchronized traffic, connections, memory, supported drive firmware, switch design, power, and machine validation scope before installation.
Can a motion-only controller replace 1769-L27ERM-QBFC1B when all four axes are supported?
Not without reviewing the embedded universal analog, analog output, counter, and discrete functions plus their terminals and project logic; axis capacity alone is insufficient.
What must a recovery package contain for 1769-L27ERM-QBFC1B?
Store the approved project, controller and drive firmware, axis tuning, CIP Sync design, analog modes and scaling, counter settings, I/O drawings, SD procedure, and acceptance results.
Which staged startup reduces risk after installing 1769-L27ERM-QBFC1B?
Verify identity and firmware, prove local I/O and communications, test analog and counter references, run individual axes at controlled risk, then validate coordinated machine operation.

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