... preset.* Relay output ; optional control output :N ,F ,C ,R ; Modulus can be set by user.* Reset modes ... signalsInput signals low voltage:0~2V ,high voltage :4~30V ,input resistance: 5KΩ ;Restrain signals and ... .Time modeTiming up or timing downOutput modeN, F , C, R Timer range4 digit (99.99s~9999h) , 6 ... AC 2000V ,50/60 Hz (1m)Ambient temperature0~50°C Humidity35~85% (RH)WELCOME TO CONTACT US! IBEST ...