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Home Product 1770-CD2 Allen-Bradley SLC 500 PLC Communication Module | RS-232 Interface Adapter
Data Highway Plus, Remote I/O, and DH485 Interfaces

1770-CD2 Allen-Bradley SLC 500 PLC Communication Module | RS-232 Interface Adapter

Allen-Bradley 1770-CD2
1770CD2 DH485 converter
DF1 protocol serial interface
1770-CD2
Allen-Bradley 1770-CD2 DH485 converter enables industrial communication via DF1 protocol serial interface for PLC networking. Supports DH-485 to RS-232/RS-485 conversion, compatible with legacy Rockwell Automation systems.
Categories:Automation
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Product Description

The Allen-Bradley 1770-CD2 is a DH485 converter designed to interface legacy PLC devices with modern DF1 protocol serial communication systems. This robust module features a single RS-232 port for direct DF1 protocol connectivity and supports DH485 network integration through its dedicated interface, enabling seamless communication between older and newer Allen-Bradley controllers. Operating within a 12-24V DC voltage range, the 1770CD2 DH485 converter functions reliably in industrial environments with temperatures ranging from 0°C to 60°C, making it ideal for manufacturing automation and process control applications. Its compact design requires no external battery or display, focusing instead on protocol translation efficiency. While praised for its straightforward DF1-to-DH485 conversion and durable construction, the converter lacks native support for Ethernet-based protocols. The unit's electrical isolation protects connected equipment from ground loops, ensuring stable data transmission across industrial networks.
Parameter Specification
Device Type Allen-Bradley 1770-CD2 DH485 Converter
Communication Protocol DF1 Protocol over RS-232 interface
Network Support DH485 industrial network connectivity
Data Rate 19.2 kbps maximum (DH485), 1200-19200 baud (RS-232)
Port Configuration Isolated RS-232 serial port
Power Supply 10-30 VDC (20 mA typical)
LED Indicators Power, Transmit, Receive, Error status
Isolation Voltage 1500 Vrms (RS-232 to logic)
Operating Temp 0°C to 60°C (32°F to 140°F)
Compatibility SLC 500, PLC-5, PanelView via DH485 network
question:Do you accept shipment before payment?
answer:We require full payment before shipment to ensure smooth transaction process.
question:Can goods be declared at a lower value for shipment?
answer:No, we strictly comply with customs regulations and accurate value declaration is required.
question:Do you offer discounts for bulk orders?
answer:Yes, we provide volume-based discounts. Contact us for specific terms and pricing details.
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:Do you accept shipment before payment?
answer:We require full payment before shipment to ensure smooth transaction process.
question:Can goods be declared at a lower value for shipment?
answer:No, we strictly comply with customs regulations and accurate value declaration is required.
question:Do you offer discounts for bulk orders?
answer:Yes, we provide volume-based discounts. Contact us for specific terms and pricing details.
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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