Via RS485 Settings "preset test time pulse number" is 0, the preset test volume to zero. Switching signal from the high level to low gear start counting immediately, high-speed timing (accuracy 0.01ms) and real-time pulse output. When switching the signal level from the low to high gear to stop immediately count, high-speed counting and pulse output. It can be read via RS485 cumulative number of gears and accumulated high-speed timing pulses |