Input Specifications (Main Unit Only) - Panasonic KW2M-A User Manual

11.4 Input Specifications (main unit only)

Number of inputs
Insulation method
Input method
Input signal
Input mode
Max. counting speed
Min. input signal width
Decimal point
Pre-scale
Range
Output mode when pulse output is
selected
Protective elements
Input signal
Pulse rate
Pulse input
Input condition
Operation
voltage/current
<Internal input circuit>
KW2M-A/X User's Manual
1
Designated insulation for input (insulate to the other functions)
Contact / non-voltage contact or open-collector
・Impedance: Max. 1kΩ
(when short-circuit current: max. 10mA)
Non-voltage
・Residual voltage when shorted: max. 3V
・Impedance when open: min. 100kΩ
Pulse input or synchronized with input from external device
2000Hz / 30Hz
0.25ms (when 2000Hz is set) / 16.7ms (when 30Hz is set)
ON:OFF ratio＝1:1
Under 3 digits
0.001 to 100.000 (set in setting mode)
HOLD
Zener diode
1,000 to 99,000 pulse/kWh (set in setting mode)
(External pulse converter is necessary.)
0.001 to 100.000 kWh/pulse
Pulse width
2000Hz
Pulse interval
Pulse width
30Hz
Pulse interval
5V DC 10mA
R: resistor
C: capacitor
Min. 0.25ms
Min. 0.5ms
(OFF time min. 0.25ms)
Min. 16.7ms
Min 33.4ms
(OFF time min. 16.7ms)
Specifications
85