Product Details
Overview
The Allen-Bradley 1771-OBD/C is a 16-channel DC output module from the 1771 series, designed to drive DC-powered loads in PLC5 and similar control systems. It provides reliable performance for industrial applications, handling resistive loads with rapid response times and stable voltage control.
Technical Specifications
-
Manufacturer: Allen-Bradley
-
Model & Part Number: 1771-OBD/C
-
Number of Outputs: 16
-
Operating Voltage Range: 10–60 VDC
-
Nominal Output Voltage: 48 VDC
-
Output Current Rating (per channel): 2 A resistive
-
Maximum Continuous Current (per module): 8 A
-
Maximum Surge Current: 4 A per output (10 ms, repeatable every 2 s), 25 A per output (10 ms, repeatable every 2 s)
-
Minimum Load Current: 2.5 mA
-
On-State Voltage Drop: 1.5 V DC
-
Off-State Leakage Current: 0.5 mA
-
Power Dissipation: 15.6 W
-
Thermal Dissipation: 53.3 BTU/hr
-
Backplane Current: 400 mA
-
Signal Delay (Off to On): 0.1 ms
-
Signal Delay (On to Off): 0.2 ms
Applications
-
Energizing DC loads in PLC5-based systems
-
Controlling resistive devices requiring fast and precise output response
-
Industrial automation applications needing high-density output channels
FAQ
Q: How many outputs does the 1771-OBD/C support?
A: The module provides 16 individual DC output channels.
Q: What voltage range is supported?
A: It operates reliably from 10 VDC to 60 VDC, with a nominal output of 48 VDC.
Q: Can it handle high surge currents?
A: Yes, the module supports surges up to 25 A per output for 10 ms, repeatable every 2 seconds.
Q: What is the response time of the outputs?
A: Signal transition delay is 0.1 ms from off to on, and 0.2 ms from on to off, suitable for rapid switching applications.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Modern Industrial Automation: Transforming Safety and Efficiency in Mining Operations
Industrial automation has evolved from a simple manufacturing tool into the operational backbone of high-risk sectors. Modern mining operations increasingly rely on advanced control systems, programmable logic controllers (PLCs), distributed control systems (DCS), and artificial intelligence to address deep-underground hazards. By replacing manual labor in high-risk zones, factory automation technologies protect personnel while significantly boosting operational throughput.
Step-by-Step System Cabinet Health Check Guide for PLC and DCS Infrastructure
