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Old 05-18-2019, 01:36 AM
 
1 posts, read 212 times
Reputation: 10

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Have an ongoing issue at a wash I operate: Sonny's 130ft conveyor with a dedicated power pack for the conveyor with ICS WBC controller and ICS external pulse switch. When conveyor starts in the morning the WBC will read one speed and the equipment timing will be 6-12 inches late on, late off. As we begin to run volume, usually within the first hour, the conveyor speed (per the WBC controller, will increase in speed twice), timing of equipment then moves from late on-late off to 18-24 inches early on-early off and then stay there for the rest of the day. Conveyor power pack is in a climate controlled room, tunnel is heated as well. ICS wants to blame hydraulic fluid viscosity, however, this problem started in October, well before cold temperatures and when the problem initially started, the WBC would show a faster speed at start up and drop to a slower speed. Timing would go from 18-24 in early on-early off to about dead on, when it "slowed".

We experienced a similar problem when we first opened in Jan last year, that took several months to fix. Turned out to be a software problem related to our e-stops. Every time e-stop was pressed, WBC would read pulses wrong and timing for all cars in tunnel would be off until cue was cleared. That problem was solved, but this new one started in Oct of last year and has us back and forth with ICS almost daily trying to fix the issue.

Anybody out there ever experienced anything like this? By the way we operate 3 other tunnels with Sonnys and ICS and do not have this problem at any of them.
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Old 05-18-2019, 11:49 AM
 
Location: Aurora Denveralis
8,082 posts, read 2,816,523 times
Reputation: 12044
I think you've asked a question so specific and technical the crowd here is gonna fail on ya. We're a bit more generalist here.

Even with some control system and other experience, I can't begin to think of a solution. I'd suspect a bad or misadjusted sensor, though. Don't the controllers have error code reporting and the like?
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