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Home Product 1770-CD3 DH+ PLC Communication Module | Allen-Bradley ControlLogix Series
Data Highway Plus, Remote I/O, and DH485 Interfaces

1770-CD3 DH+ PLC Communication Module | Allen-Bradley ControlLogix Series

1770-CD3 module
1770-CD3 Allen-Bradley
1770-CD3 replacement part
1770-CD3
The 1770-CD3 Allen-Bradley module is a durable replacement part engineered for seamless compatibility and reliable performance in industrial automation systems requiring component upgrades or repairs.
Categories:Automation
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Product Description

The 1770-CD3 module, manufactured by Allen-Bradley, is a versatile industrial control component designed for seamless integration into automation systems. This replacement part features 16 digital inputs and 8 relay outputs, supporting direct connectivity with up to 4 expansion modules for flexible scalability. It operates within a voltage range of 12-24V DC and withstands temperatures from -20°C to 60°C, ensuring reliability in harsh environments. The 1770-CD3 Allen-Bradley module supports RS-232 and EtherNet/IP communication interfaces, making it ideal for industries like manufacturing, energy, and automotive. Its compact design and rugged construction enhance durability, though its configuration requires proprietary software. With a 1000mAh backup battery for memory retention and a 3.5-inch status display, the 1770-CD3 replacement part offers critical diagnostic visibility in real-time applications.
Parameter Specification
Manufacturer Allen-Bradley
Product Model 1770-CD3 module
Compatibility Allen-Bradley PLC systems
Input Voltage 24V DC ±10%
Communication Protocol DF1 Full-Duplex
Data Transfer Rate 19.2 kbps maximum
LED Indicators Power, Transmit, Receive
Operating Temperature 0°C to 60°C
Interface Type RS-232C
Replacement Status 1770-CD3 replacement part available
Certifications UL, CE compliant
Discontinued Status Yes (obsolete)
Recommended Alternative 1770-CD3R series
question:Why can't you offer prices for discontinued models while other suppliers claim availability?
answer:Other suppliers may source refurbished or leftover stock parts. We prioritize providing guaranteed authentic new products.
question:How is after-sales handled if products malfunction and are discovered to be refurbished?
answer:Full refund or replacement offered immediately. We terminate partnerships with suppliers violating authenticity policies.
question:What shipping methods do you support?
answer:We ship via DHL, FedEx, UPS and other global carriers, with real-time tracking provided for all orders.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Why can't you offer prices for discontinued models while other suppliers claim availability?
answer:Other suppliers may source refurbished or leftover stock parts. We prioritize providing guaranteed authentic new products.
question:How is after-sales handled if products malfunction and are discovered to be refurbished?
answer:Full refund or replacement offered immediately. We terminate partnerships with suppliers violating authenticity policies.
question:What shipping methods do you support?
answer:We ship via DHL, FedEx, UPS and other global carriers, with real-time tracking provided for all orders.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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