... . Used with sensor or encoder 1. Features of Digital Preset Counter :* Preset length meter, soft buttons operation, easily operate* Dual ... tansistor output; optional control output: N, F, C, R* Counter speed: 30Hz/300Hz/1000Hz/5000Hz,selectable by software* Modulus:0 ... signals voltagelow voltage:0~2V, high voltage: 4~30V, input resistance: 5KΩCounting modeCounting Up or counting down, counting up and ...