1771-OBD Rockwell 10 to 60V DC Output Module In Stock

Product Review

The Allen-Bradley 1771-DB is a versatile PLC 5 Basic Module designed to facilitate communication between a PLC-5 processor, the 1771 backplane, and various RS-232, RS-422, or RS-485 devices. This module also supports communication across a DH-485 network, making it an essential component for integrating remote SLC processors or other remote devices into your industrial control system. With its robust features, including fast communication independent of the processors, data analysis capabilities, and complex problem-solving functionalities, the 1771-DB significantly enhances the efficiency and flexibility of your automation systems.

Specification

• Manufacturer: Allen-Bradley (Rockwell Automation)
• Model Number: 1771-DB
• Function: PLC 5 Basic Module
• Communication Interfaces: RS-232, RS-422, RS-485, and DH-485 port
• Isolation Voltage: 500V DC from port-to-port and port-to-backplane
• Memory: 32 KB battery-backed RAM with 24 KB available user memory
• Communication Rate: 300 – 19.2 Kbps
• Backplane Current Load: 0.75A with a DH-485 interface connected; 0.65A without a device connected to the DH-485 port
• Time-of-Day Clock Resolution: 10ms
• Maximum Power Dissipation: 4W
• Programming Languages Supported: BASIC and C
• Chassis Slot Requirement: Takes one slot in the I/O chassis
• Ports Required: 2 ports for RS-232, RS-422, or RS-485 connections; 1 port for DH-485 connections
• Indicators: 8 defined and 2 user-defined indicators for troubleshooting