Allen-Bradley 1769-CRR1 Expansion Cable The Allen-Bradley 1769-CRR1, also cataloged as the 1769-CRR1 Expansion Cable, operates as a dedicated hardware component...
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Allen-Bradley 1769-CRR1 Expansion Cable
The Allen-Bradley 1769-CRR1, also cataloged as the 1769-CRR1 Expansion Cable, operates as a dedicated hardware component for right bank to right bank expansion connections within Bulletin 1769 Allen Bradley CompactLogix systems.
Hardware Specifications
Parameter
Specification
Model
1769-CRR1
Brand
Allen-Bradley
Origin
Standard Industrial Supply
Weight
1.31 lbs (0.60 kg)
Dimensions
Length: 1 ft (305 mm)
Operating Temp
32 deg F to 140 deg F
Power Consumption
33.6 Watts (Power Dissipation: 7.5 Watts)
Industrial Control and Network Architecture
Engineered for deterministic network communication within modular PLC backplane environments, the 1769-CRR1 actively facilitates bus communication velocity across CompactLogix platforms. Furthermore, the cable maintains low insertion loss and robust signal integrity to support high I/O density scaling. System engineers can seamlessly integrate this expansion link while ensuring that firmware flash compatibility and backplane current metrics (1.4 Amps at 24 Volts) remain within manufacturer-specified operational envelopes.
Frequently Asked Questions
Q: Can the 1769-CRR1 cable be connected while the system is powered?
A: No. You must remove power from all connected devices before installing or removing the 1769-CRR1 expansion cable to prevent electrostatic discharge and electrical damage.
Q: What is the maximum backplane current supported by this cable?
A: The cable is rated for a backplane current of 1.4 Amps at 24 Volts.
Field Installation Guidelines
Verify that all connected controllers and I/O modules are fully powered down before handling the expansion cable.
Implement appropriate electrostatic discharge (ESD) wrist straps and grounding precautions prior to touching the connector pins.
Align the right bank connector securely to ensure proper pin engagement without applying excessive bending force to the 1-foot cable span.
