Field ServiceDiagnostics & Troubleshooting4HighField Technician$ implied
Persistent false inputs from proximity switches due to high bleed-through voltage at an asphalt plant, despite multiple mitigation attempts.
Standard relay and resistor solutions fail to eliminate phantom inputs caused by bleed-through voltage in a non-PLC control system (MINDs/Martin System). No off-the-shelf product addresses this specific high-bleed scenario.
44
0
Opp. Score
44
Severity
4High
Willingness to Pay
implied
Added
May 2, 2026
Workarounds Described
- Installed slice relay but got chatter shorting the prox
- Installed 500 ohm resistor on the relay coil but still got 80V bleed
- Installed 8-pin ice cube relay, voltage dropped to 9V but still phantom input
Implied Software Gaps
- Signal conditioner that intelligently filters bleed-through and prevents false inputs
App Concept
BleedGuard Filter Module
BleedGuard is a specialized inline signal conditioner that filters out bleed-through voltage on proximity switch inputs for non-PLC control systems. It features adjustable threshold detection, coil chatter suppression, and robust isolation to prevent false inputs. Unlike generic relays or resistors, BleedGuard is designed for high-bleed environments like asphalt plants.
Key Features
- Adjustable voltage threshold (10-120V) to ignore bleed-through
- Built-in debounce circuit to prevent relay chatter
- Galvanic isolation between sensor and control card
- Compact DIN-rail mount for easy integration
- High-temperature rated for industrial environments
Target Users: Electrical technicians and field service engineers maintaining asphalt plants, aggregate plants, and similar industrial sites with non-PLC control systems (MINDs, Martin Systems). Typically works for companies with 1-10 service technicians.
Revenue Model: $149 per unit one-time purchase, with volume discounts for bulk orders
Existing Solutions Mentioned
Slice relayIce cube relayResistor in series with input card
Part of App Idea
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