... down or up High accuracy One alarm for ON/OFF control 2011--HHE series Digital Timer Counter,Timer Relay(Latest)HH4 series, ... Auto cycle timing and delay output.5) one alarm output relay/SSR.6) RS232 or RS485 communication ( Modbus RTU protocol ... Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter,Timer,Timer Relay, Solid State Relay, Proximity Sensor, ,Pressure sensor ,load cell sensor, KNE ...