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Which is the pb board of Schindler escalator?

Schindler 9300 escalator motherboard.

In Schindler escalator products, PB board is one of the core components used to control the operation of escalator, which is responsible for processing various signal input and output and controlling the operation and stop of escalator. Schindler 9300 escalator motherboard is one of the escalator motherboard models developed by Schindler Group, which is also used to control the running and stopping of escalators.