"In the absence of pushbuttons on the LCP, we had to carry a handheld version of the TWC transmistter out to a particular inductive loop in order to enter a request. Considering the inconvenience of having to walk out to the yard with the handheld, we decided to add real control capability to the panel." I don't doubt this is the case, but I don't understand why suppliers do things like this. Seems like it ruins the good will between the supplier and the customer.
Galen, you seem to have found a good solution to your problem. The only question I have in these instances is that of certification. Is there an issue with that when field modifications are made to the control system?
Linear guides are one of the most important components required for the design of automated or computer-controlled equipment. Aluminum profile extrusions, used for these guides, can enable designed-in functional features.
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