Rated 4.4 with 18 reviews


Revisions: Ser A


Allen Bradley CompactLogix 5370 L2 Controller, 2 Ethernet Communication Ports with Device Level Ring enabled, 1MB capacity of memory, 16 DC Outputs, 16 DC Outputs, 4 Universal Analog Inputs, 2 Analog Outputs, 4 High Speed Counters, Up To 4 1769 I-O extension s, 4 CIP Motion Axis With Kinematics Function, 16 EtherNet-IP and 120 TCP Connections, 24V DC Embedded Power Supply, With 1GB SD Card, Can Support Up To 2GB SD Card, 1 USB Port. CPU Module

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Warranty: 1 year DO Supply Warranty Included
Shipping: Worldwide shipping via DHL, UPS, Fedex, and TNT
Repairs: We offer repair service for the 1769-L27ERM-QBFC1B.
Exchange: Exchange credit for your defective unit available.

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About 1769-L27ERM-QBFC1B

The Allen-Bradley 1769-L27ERM-QBFC1B is a CompactLogix 5370 L2 controller with embedded I/O. It comes with a built-in 24 Volts DC power supply and dual Ethernet/IP ports for linear and ring topologies. This module has a USB port for the latest firmware and programming and a combination of embedded digital, analog, and high-speed counter I/O. It also supports the 1769 Compact I/O. This module supports the integrated motion on EtherNet/IP. The 1769-L27ERM-QBFC1B supports up to four 1769 modules with a communication speed of 10 to 100 Mbps. It also has 120 TCP/IP connections and up to 16 Ethernet nodes.

The 1769-L27ERM-QBFC1B controller’s programming languages include Relay ladder, Structured Text, Function block, and SFC. The controller has an embedded power supply with a 19.2 to 31.2 Volts DC range. The 1769-L27ERM-QBFC1B also has short circuit and overvoltage protection. Do not connect the module directly to the line voltage.

Technical specifications:

Part Number:1769-L27ERM-QBFC1B
Product Line:CompactLogix
Module Type:Processor Module
Shipping Weight:3 pounds
Shipping Dimensions:11X8X6 in.
Series:A and B
Replacement Terminal Block:1769-RTBN18
Wire Type:Copper-90 degrees Celsius
Wire Size (Solid):22-14 AWG
Wire Size (Stranded):22-16 AWG
Programming:Relay Ladder, Structured Text, Function Block, SFC


Question: What are this module’s communication options?

Answer: The 1769-L27ERM-QBFC1B uses Ethernet for communication.


Question: Can this module be purchased with a warranty?

Answer: Yes, the 1769-L27ERM-QBFC1B comes with a free one-year warranty from DO Supply, Inc.


Question: What type of memory does this unit have?

Answer: The 1769-L27ERM-QBFC1B has a 1MB user memory.


Question: What type of software does this module require?

Answer: The 1769-L27ERM-QBFC1B uses RSLogix5000 software.


Question: Where can I send the 1769-L27ERM-QBFC1B to be repaired?

Answer: DO Supply, Inc. offers a variety of repair services for the 1769-L27ERM-QBFC1B.

Please refer to the manual for more information about the 1769-L27ERM-QBFC1B such as the wiring diagrams, data sheets, firmware information and migration or obsolescence details.

Revision Part # Also Known as Availability
1769-L27ERM-QBFC1B Ser A
1769-L27ERM-QBFC1B/A, Series A, Rev A Request Quote

Common misspellings: 1769L27ERM-QBFCIB