1771-CX1 Allen-Bradley Controller Module | PLC I/O Expansion Card | 1771 Series Automation Part

Allen-Bradley 1771-CX1

1771-CX1 I/O module

1771-CX1 PLC module

1771-CX1

The Allen-Bradley 1771-CX1 I/O module is a PLC module designed for PLC-5 systems, enabling industrial automation through reliable data acquisition and control capabilities.

Specification

SEODescription

The Allen-Bradley 1771-CX1 is a PLC module designed as an I/O adapter for the PLC-5 series, enabling seamless integration of expansion I/O racks with the main processor. This 1771-CX1 I/O module supports up to 16 I/O modules per rack, facilitating flexible configurations for complex automation systems. It operates on 24V DC power and functions within a temperature range of 0°C to 60°C, ensuring reliability in industrial environments like manufacturing, chemical processing, and energy. The 1771-CX1 PLC module interfaces via the Data Highway Plus (DH+) protocol, offering robust communication for distributed control networks. Key advantages include high compatibility with legacy systems and scalability, though its reliance on older technology may require additional adapters for modern integrations. Maintenance complexity and limited native diagnostics are potential drawbacks in advanced applications.

SEOSpecification

Parameter	Specification
Manufacturer	Allen-Bradley
Product Model	1771-CX1
Module Type	I/O & PLC Module
I/O Points	16-point digital input
Voltage Range	5-125V DC / 20-120V AC
Current Rating	2A @ 30V DC, 0.5A @ 120V AC
Communication	Parallel I/O bus interface
Isolation	1500V AC optical isolation
LED Indicators	Per-point status monitoring
Backplane Current	0.8A @ 5V DC
Operating Temp	0°C to 60°C (32°F to 140°F)
Certifications	UL, CE, C-Tick compliant
Mounting	DIN rail or panel mount
Compatibility	PLC-5, SLC 500 systems

SEOQandA

question:Why choose your company for industrial automation products?
answer:As Asia's leading industrial automation trade company with 20+ years of expertise, we ensure reliable quality and prioritize reputation, with 85% clients being long-term partners.
question:Can your company ensure stable product supply?
answer:Yes, we maintain robust partnerships with top manufacturers and implement efficient inventory management to guarantee consistent, timely deliveries.
question:Do you have a professional product selection team?
answer:Our expert engineering team rigorously evaluates products to meet international standards and diverse client needs, ensuring optimal performance and reliability.

SEOQandA_Product

question:Why is the 1771-CX1 module not recognized by the PLC system?
answer:Verify module installation in the correct slot and ensure backplane voltage meets 5V DC specifications.
question:How to resolve communication errors between 1771-CX1 and PLC?
answer:Check cabling integrity, confirm proper termination, and validate PLC configuration matches module settings.
question:Why does the 1771-CX1 power LED remain off?
answer:Inspect power supply connections and confirm 5V DC input. Replace module if voltage is correct but LED stays off.
question:How to fix 1771-CX1 network communication timeout issues?
answer:Ensure correct baud rate, verify node addressing, and check for network noise or signal interference.
question:What causes 1771-CX1 firmware mismatch errors?
answer:Update PLC firmware to match module requirements or replace module with compatible hardware revision.