... . Five operate mode is optional: counter, frequency meter, timer, displacement meter, batch counter.;2. 1~2 preset(s), 1 ... channel(s)Operation methodCount-up, Count-down, Displacement meter, Batch counter, AccumulationOutput modeN, F, R, CReset / ZeroManually reset, ... contact : 250V / 3A (resistance)PNP open collector 12~24 VDC / 20mASensor power supply24 VDCInstrument power supplyUniversal 85~265VAC ...