... timing, various timing operating models (6 models) digital display, soft-contact key operation, permanent data retention for presetting data when power ... of RST and COM): width of the reset pulse≥20ms, non-contact signal (0V≤VL1V, 2.5V≤VH5V ) for NPN model, or ... holding when power cut ≥10years.10 Maximum current of the contact output: 3A/250VAC (for resistance load).11 Environment temperature and ...