Panasonic KW2M-A User Manual

Also see for AKW263100A: User manual

SpecificationsKW2M-A/X User's Manual 8511.4 Input Specifications (main unit only)Number of inputs 1Insulation method Designated insulation for input (insulate to the other functions)Input method Contact / non-voltage contact or open-collectorInput signal Non-voltage・Impedance: Max. 1kΩ(when short-circuit current: max. 10mA)・Residual voltage when shorted: max. 3V・Impedance when open: min. 100kΩInput mode Pulse input or synchronized with input from external deviceMax. counting speed 2000Hz / 30HzMin. input signal width 0.25ms (when 2000Hz is set) / 16.7ms (when 30Hz is set)ON:OFF ratio＝1:1Pre-scale Decimal point Under 3 digitsRange 0.001 to 100.000 (set in setting mode)Output mode when pulse output isselected HOLDProtective elements Zener diodePulse inputInput signal 1,000 to 99,000 pulse/kWh (set in setting mode)(External pulse converter is necessary.)Pulse rate 0.001 to 100.000 kWh/pulseInput condition2000HzPulse width Min. 0.25msPulse interval Min. 0.5ms(OFF time min. 0.25ms)30HzPulse width Min. 16.7msPulse interval Min 33.4ms(OFF time min. 16.7ms)Operationvoltage/current 5V DC 10mAR: resistorC: capacitor