DEWEnet » Hardware » CANLOG - high channel count » CANLOG modules - LV6 and LV4
  • High precision isolated voltage or current inputs
  • 4 or 6 isolated channels
  • 1000 S/sec simultaneous sampling rate
  • Programmable excitation (independent, LV4)
Channels 6 voltage or current 4 voltage or current
ADC type 24 bit delta-sigma 24 bit delta-sigma
System Sample rate 1000 S/sec, simultaneous 1000 S/sec, simultaneous
Voltage ranges ±100 mV to ±60 V ±100 mV to ±60 V
Accuracy ±0.05 % of reading ±0.5 mV ±0.05 % of reading ±0.5 mV
Typical noise at 200 S/s (10 S/s) 60 µVRMS (10 µVRMS) 60 µVRMS (10 µVRMS)
Gain drift Typ. 10 ppm/K (max. 30 ppm/K) Typ. 10 ppm/K (max. 30 ppm/K)
Offset drift 1µV/K 1µV/K
Input coupling DC DC
Input impedance 1 MΩ 1 MΩ
Common mode voltage 30 V to EXC, 500 V peak to GND 30 V to EXC, 500 V peak to GND
Current range ±30 mA ±30 mA
Accuracy ±0.1% of reading ±0.05 mA ±0.1% of reading ±0.05 mA
Typical noise at 200 S/s (10 S/s) 12 µARMS (2 µARMS) 12 µARMS (2 µARMS)
Input impedance 50 Ω, ±0.1% 50 Ω, ±0.1%
Excitation ±0, 0.5, 1.25, 2.5, 5, 7.5, 10, 12.5 and 15V ±0, 0.5, 1.25, 2.5, 5, 7.5, 10, 12.5 and 15V
Current limit 100 mA (1.5 W max.) per module
(common excitation for module)
60 mA (0.8 W max.) per channel
(separate excitation on each channel)
Accuracy ±1 % of value ±20 mV ±1 % of value ±20 mV
Excitation drift 50 ppm/K 50 ppm/K
Protection Continuous short to ground Continuous short to ground
General    
Max. input voltage ±100 V (±400 V peak, 100 msec) ±100 V (±400 V peak, 100 msec)
Isolation voltage ±500 V channel/ground & channel/channel ±500 V channel/ground & channel/channel
Bandwidth 50 Hz min. 50 Hz min.
Power consumption (full excitation power) 1.9 (4) W 2.3 (7) W
Input connector Lemo 1B, 7 pin Lemo 1B, 7 pin
Environmental    
Weight 143 g 123 g
Operating temperature -40°C .. +85°C (-40°C .. +75°C with total excitation power > 1.5 W) -40°C .. +85°C (-40°C .. +75°C with total excitation power > 1.5 W)