Product Description
The Allen-Bradley 1771-ID16GM is a 120V AC isolated input module exclusively for General Motors devices, featuring 16 inputs and compatibility with Series B I/O chassis or later (excluding the 1771-AL adapter). Qualified for Bulletin 700P 120V AC relay circuits, it offers selectable input filtering to minimize electrical downtime and improve power quality. It requires a nominal 2.5mA current at 120V AC, with on-state current ranging from 2mA (105V AC) to 0.8mA (66V AC), and draws a maximum of 75mA from the backplane. Input voltage ranges from 105-120V AC at 47-63Hz. External surge suppression is required for all solenoid or inductive input loads. The module includes one active indicator and 16 input status indicators, along with two customer-selectable input filter time jumpers for inputs 00-07 and 10-17.
Is Your Device Showing These Signs?
The Allen Bradley 1771-ID16GM discrete input module commonly experiences issues such as blown input fuses due to overcurrent events, degraded optocoupler performance leading to signal degradation and false triggering, backplane communication failures stemming from corrupted data or addressing conflicts, and field wiring terminal block damage resulting in open circuits or intermittent connections. Resolve these issues through fuse replacement with correct amperage ratings, optocoupler testing and component-level repair, backplane signal integrity verification and address configuration checks, and terminal block replacement or wire termination repairs. Proper grounding and surge suppression implementation prevents future failures.
Technical specifications
The Allen-Bradley 1771-ID16GM is a 120V AC input module specifically designed for General Motors devices. It has 16 isolated inputs, works with Series B I/O chassis (except 1771-AL), and is suitable for Bulletin 700P relay circuits. It features selectable input filtering to reduce downtime and improve power quality, requires minimal current, and operates within a specific voltage and frequency range. External surge suppression is needed for inductive loads. The module also includes active and input status indicators, and customer-selectable input filter time jumpers.
Our Repair Process for the
1771-ID16GM
Our repair process for the Allen Bradley 1771-ID16GM discrete input module begins with a thorough assessment to pinpoint the failure. Blown input fuses are replaced with fuses of the correct amperage rating. Degraded optocouplers undergo rigorous testing, and component-level repairs are executed as needed. Backplane communication failures necessitate signal integrity verification and address configuration checks to ensure proper data transmission. Damaged field wiring terminal blocks are replaced, or wire terminations are meticulously repaired to eliminate open circuits and intermittent connections. To prevent future failures, proper grounding is verified, and surge suppression measures are implemented.
Your Guarantee: Warranty & Lifetime Support
Your satisfaction is our top priority, and we confidently stand behind the quality of our repairs. That's why every repair service is covered by our comprehensive 24-month warranty. Furthermore, we offer lifetime phone support – if you have questions or need assistance related to our repair down the road, we're here to help. Our service commitment is straightforward: we guarantee our work, and if you're not satisfied, we will make it right. Learn More about our Repair process.
Comprehensive Repairs You Can Depend On
We take immense pride in the quality and reliability of our work. Our process goes beyond simply fixing the immediate problem. We perform a comprehensive inspection of your main board (or other equipment) and proactively replace components known to be failure-prone or showing signs of potential future failure. Before any item is returned, it undergoes rigorous functional testing to ensure it meets performance specifications and operates flawlessly. Visit our main Repair Services page to learn more.
Save Significantly
Our primary goal is to save you hundreds, or even thousands, of dollars compared to the cost of new equipment replacement. By repairing existing components, we provide an economical solution that is also eco-friendly. At Roc Industrial, our commitment to integrity and community drives our consistent growth and ensures you receive a reliable, cost-effective solution.
Please Note: Roc Industrial operates as an independent service provider and is not an authorized distributor for the manufacturers or brands mentioned. Consequently, the original manufacturer's warranty is not applicable to items repaired or sold by us. Roc Industrial provides its own 2-year warranty on all repair services performed.