M-CNT2

4-channel universal counter module with sensor excitation

M-CNT2

4-channel universal counter module with sensor excitation
  • 4 sensor excitations (unipolar 15 V, up to ±60 mA)
  • Measurement data output to CAN
  • Galvanic isolation (inputs, CAN, supply, enclosure)
  • Designed for engine compartment applications
  • Toolless module to module connection
  • Ruggedized and compact modules for harsh environments

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Technical Data

Channel sampling rates 1 / 2 / 5 / 10 / 50 / 100 / 200 / 500 / 1000 / 2000 / 5000 Hz
Acuracy at ambient temperture 25 °C ±0.01 % (internal time base)
Sensor excitation ranges Unipolar 2.5 / 5 / 7.5 / 10 / 12.5 / 15 V
Inputs 4
Working temperature range -40 … 125 °C (-40 … 257 °F)
IP-Code IP 67 (ISO 20653 - 2013)

M-CNT2 – Technical data

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Input HV
* Safety instructions
General channel properties
Special functions Averaging
Oversampling 100 MHz
Channel sampling rates 1 / 2 / 5 / 10 / 50 / 100 / 200 / 500 / 1000 / 2000 / 5000 Hz
Aggregate sample rate 20 kHz
Hardware filter (switchable) Accuracy 10 %, 1 … 30 kHz
Filter damping at ambient temperature 25 °C ±1.0 dB
Filter damping at ambient temperature -40 … 125 °C ±3.0 dB
DC compensation 0.8 Hz (lower cut-off frequency -3 db)
DC compensation damping at ambient temperature 25 °C ±1 dB (variance)
DC compensation damping at ambient temperatur -40 … 125 °C ±3 dB (variance)
Channel LED Yes, Channel status LED responds to detected input signal, Channel status LED of a channel marked in the software interface flashes yellow, Channel LED is flashing during configuration
Channel CNT
Mode: frequency 0.03 Hz … 200 kHz
Mode: duty cycle 10 kHz (maximum frequency), 0.03 Hz (minimum frequency), 0.01 … 99.99 %
Resolution of duty cycle 1 µ or 1/100 fc filter (higher value)
Mode: period duraton, pulse duration, pause duration 200 s (maximum duration), 1 µs (minimum duration)
Resolution Period duraton, pulse duration, pause duration 1 µ or 1/100 fc filter (higher value)
Mode: event counter reset modes Reset by time, Without reset, Reset by overflow (max. 32 bit)
Mode: event counter with direction (Encoder) up / down counting
Acuracy at ambient temperture 25 °C ±0.01 % (internal time base)
Drift at ambient temperture -40 … 85 °C ±1.5 ppm/K
Drift at ambient temperture 85 … 105°C ±2.5 ppm/K
Drift at ambient temperture 105 … 125°C ±5.0 ppm/K
Adjustable trigger threshold ±4 V resolution 0.025V, ±40 V resolution 0.20 V
Acuracy of trigger threshold at ambient temperature 25 °C ±3 %
Acuracy of trigger threshold at ambient temperature -40 … 125 °C ±8 %
Number of inputs
Excitation
Sensor excitation ranges Unipolar 2.5 / 5 / 7.5 / 10 / 12.5 / 15 V
Sensorspeisung Unipolar 2.5/ 5/ 7.5/ 10/ 12.5/ 15V
Accuracy excitation at ambient temperature 25 °C ±5.0 %
Accuracy excitation at ambient temperature 85 °C ±6.0 %
Accuracy excitation at ambient temperature 120 °C ±7.0 %
Sensor excitation current 60 mA, (short-circuit proof, with safety shutdown)
Galvanic isolation
Input ↔ module power supply ±100 V (indefinitely), ±500 V (pulse voltage)
Input ↔ CAN ±100 V (indefinitely), ±500 V (pulse voltage)
Input ↔ enclosure ±100 V (indefinitely), ±500 V (pulse voltage)
Input ↔ input ±100 V (indefinitely), ±500 V (pulse voltage)
Device
Inputs 4
Precisions
Maximum input protection voltage (channel) ±100 V (indefinitely), ±200 V (short-time, t < 2 ms)
Voltage supply 9 … 36 VDC
Supply voltage thresholds On 9 ±0.3 VDC / Off 6 ±0.3 VDC
Power consumption, typical 2.0 W (all excitations off)
Working temperature range -40 … 125 °C (-40 … 257 °F)
Storage temperature range -55 … 150 °C (-67 … 302 °F)
IP-Code IP 67 (ISO 20653 - 2013)
Relative humidity 5 ... 95 %
Dimensions W106 mm x H43 mm x D60 mm (4.17 in x 1.69 in x 2.36 in)
Weight 420 g (0.93 lb)
Configuration interface CAN high speed
Data transfer rate Software selectable up to 1 MBit/s (ISO11898-2)
Housing material Aluminum, gold anodized
Input sockets ODU series F, size 1 (5-pin) S11F1C-T05MJG0-2500, Lemo EGG 1B 307 (7-Pin)
Output sockets LEMO 0B,9-pol./P,30°
Status LED Yes
Schutz gegen aggressive Flüssigkeiten
Electrical data
Status LED
Accessories
System cable 620-561 M-PWR term cable, banana, 620-567 M-CAN/PWR term cable SubD/S, banana, 620-560 M-CAN cable, 620-502 M-CAN cable SUBD/S Term., M-CAN-ABS
Input cable 600-858 CNT LEMO 1B7p cable open, 600-857 600-857 CNT LEMO 1B7p cable BNC/P

Accessories

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