Allen Bradley 1769-L27ERM-QBFC1B CompactLogix 1MB DI/O AI/O Controller

The AB 1769-L27ERM-QBFC1B is a CompactLogix 5370 L2 controller combining a powerful processor, digital and analog I/O, and motion capabilities in one compact unit. Designed for performance-oriented machine control, it features 1MB of user memory, 16 digital inputs and outputs, 4 analog inputs, and 2 analog outputs. Integrated dual EtherNet/IP ports support up to 4 axes of CIP motion control and device-level ring (DLR) topologies.

This controller can support up to four additional 1769 Compact I/O modules, making it ideal for small to mid-sized automation applications requiring scalable flexibility and integrated motion.

Technical Specifications

Manufacturer: Allen Bradley
Series: CompactLogix 5370 L2
Part Number: 1769L27ERMQBFC1B
Processor Type: Integrated with onboard I/O and motion
Memory: 1MB user memory
I/O Capacity: 4 local expansion modules (1769 series)

Electrical Specifications

Digital Inputs: 16 x 24V DC
Digital Outputs: 16 x 24V DC
Analog Inputs: 4 x Voltage/Current
Analog Outputs: 2 x Voltage/Current
Input Signal Type: Sourcing/Sinking configurable
Output Signal Type: Sourcing
Communication Ports:
– 2 x EtherNet/IP
– 1 x USB programming port
Motion Control Support: 4 axes CIP motion via EtherNet/IP

Mechanical Specifications

Width: 140 mm
Height: 118 mm
Depth: 105 mm
Mounting Type: DIN rail
Front Installation Possible: Yes
Display: 4-character LCD for status

Environmental Specifications

Operating Temperature: 0°C to +60°C
Storage Temperature: -40°C to +85°C
Relative Humidity: 5–95% non-condensing
IP Rating: IP20 (for use in enclosure)
Pollution Degree: 2
Vibration Resistance: Meets IEC 60068-2-6

Compliance & Certifications

SIL (Safety Integrity Level): SIL 3 (IEC 61508)
Performance Level (PL): PL e (EN ISO 13849-1)
CE Marked: Yes
cULus Listed: Yes
RoHS Compliant: Yes
ATEX Certified: No
Conformal Coated: No

Supported Protocols:
– EtherNet/IP: Yes
– TCP/IP: Yes
– Modbus: Yes
– SERCOS: No
– DeviceNet: No
– Data Highway: No

Key Features & Benefits

✅ All-in-One Design – Integrated controller with digital and analog I/O, Ethernet, and motion support

✅ Dual Ethernet Ports – Enables Device-Level Ring (DLR) for enhanced network reliability

✅ Motion Control Ready – Supports up to 4 axes of CIP motion via EtherNet/IP

✅ Compact Size – Ideal for small-to-medium machine control applications

✅ Flexible Expansion – Supports up to four additional 1769 I/O modules

✅ Enhanced Safety Compliance – Rated to SIL 3 / PLe for critical applications

📦 Order the Allen Bradley 1769-L27ERM-QBFC1B Today from Drive Outlet Megastore

At Drive Outlet Megastore we offer unbeatable Allen Bradley 1769-L27ERM-QBFC1B prices. Whether you’re expanding a machine build or upgrading legacy equipment, our fast shipping and expert support help get your automation project moving.

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