DEWEnet » Hardware » CANLOG - high channel count » CANLOG modules - CNT4
  • 4 multifunctional isolated counter channels or digital inputs
  • Simultaneous counting and frequency mode out of one input
  • Programmable threshold levels with AC/DC coupling
  • Programmable sensor excitation (per channel)
Channels 4 counter or 12 digital inputs with 4 Auxiliary output channels
Resolution 10 nsec time base, 40 bit internal resolution
System Sample rate 1000 S/sec, simultaneous
Measurement modes  
Event counting functions Simple Event, Gated, Up/Down counter, encoder (X1, X2, X4)
Period, high, low, duty cycle, edge separation 200 nsec to 42.9 sec
Frequency measurement 0.0001 Hz to 350 kHz
4 Auxiliary output channels Additional measurement from any channel: eg. counter and frequency at once
Signal input  
Programmable high and low level ±40 V threshold with ±200 mV tolerance
Input coupling DC or AC (0.5 Hz)
Max. input voltage ±200 V (400 V peak)
Control signal A/B  
Input compatibility TTL (Low: <0.8 V, High: >2 V)
Max. input voltage ±200 V (400 V peak)
Excitation +0, 1.5, 2, 2.5, 3.3 5, 7.5, 10, 12.5 and 15 V
Current limit 100 mA
Accuracy ±3 %, ±50 mV
Protection Continuous short to ground
General  
Time base accuracy 2 ppm
Isolation voltage ±200 V channel/ground & channel/channel
Power consumption 2.2 W without sensor supply, 10 W max.
Input connector Lemo 1B, 7 pin
Environmental  
Weight 125 g
Operating temperature -40°C .. +85°C (-40°C .. +70°C with total excitation power >1.5 W)