Keli and Yaohua Indicator Compatibility
Analog indicators from both makers share the same DB9 load cell pinout and the same calibration sequence, so swapping one for the other needs no rewiring.
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Replacing a PT650D Indicator on a Batching Plant
A field replacement on a concrete batching plant: PT650D specification, the 0-10 V analog link to the PLC, fitting a Keli XK3101E into the same connector, and the voltage drop to watch for.
Using Analog Load Cells with a Digital Indicator
A conversion board turns a conventional analog load cell into a digital one. Terminal assignments on both sides of the board, the boards available per protocol, and the 12 V DC rule.