CT Converter – Shimaden CP3720 Series

Features

  • Slim-shaped plug-in converter with isolated single/dual- output
  • DIN Rail mounting or Lateral mounting
  • Power supply 100 – 240V AC or 24V DC
  • Moisture-proof coating is applied as standard.
  • CE marking applied (applicable standard: EMC: EN61326-1)
Enquiry

This Slim-shaped Plug-in type CT Converter, CP3720 performs RMS operation of AC signal and A/D conversion thereof to generate isolated No. 1 and No. 2 outputs.

Specification

Input AC current by CT output
Input resistance 2MΩ(shunt resistor) at 5A AC input
10MΩ(shunt resistor) at 1A AC input
Input frequency 50/60Hz
Allowable input current Continuous, 120% of rated input value
Instantanuous, 10 times rated input value (3 sec.)
Crest factor 3 max.
Conversion accuracy ±0.25% FS in range higher than 10% of span at 25±5°C
Conversion output DC voltage, current (see ordering code)
Effection against ambient temperature ±0.2% max. against span of 10°C temperature difference
Maximum output load DC voltage: 1V span min. Load current: 2mA max.
10mV span min. Load resistance: 10kΩmin.
100mV span min. Load resistance: 100kΩmin.
DC current: 4-20mA Single output: Load current: 750Ωmax
4-20mA Dual output: Output 1: 550Ωmax./Output 2: 350Ωmax.
Response speed 400m sec. max. (0-90%) at 100% step input
Conversion output variable range zero: Approx. ±5% of span (adjustable by “Z” front trimmer)
span: Approx. ±5% of span (adjustable by “S” front trimmer)
Power supply 100 – 240V AC ±10% or 24V DC±10%
Power consumption 5.5vA max. at 100-240V AC
2W max. at 24V DC
Operating ambient temperature -5 – 55°C
Operating ambient humidity 5 – 90%RH (No dew condensation)
Stock temperature -10 – 60°C
Isolation resistance 100M Ω min. at 500V DC, between input, out 1, out 2, power supply and ground terminals
Dielectric strength 1 minutes at 2000V AC, between input, out 1, out 2, power supply and ground terminals
1 minutes at 500V AC, between out 1 and out 2
Materials Housing: ABS resin (UL94V-0)
Terminal block: PBT resin (UL94V-0)
Terminal block cover: PC resin (UL94V-2)
Din-rail stopper: PP resin (UL94-HB)
External dimensions 88 (H) x 29 (W) x D125 (H)mm
Weight Main body: 130g max.
Terminal block: 80g max.

Ordering Information

ITEMS CODE SPECIFICATIONS
Series CP3720- CT Converter
Input 21 0 – 1A AC
22 0 – 5A AC
Output 1 1 0 – 10mV DC
2 0 – 100mV DC
3 -10 – 10mV DC
4 -100 – 100mV DC
5 1 – 5V DC
6 4 – 20mA DC
7 0 – 5V DC
8 0 – 10V DC
9 Others (Please consult before ordering.)
Output 2 0 None
1 0 – 10mV DC
2 0 – 100mV DC
3 – 10 – 10mV DC
4 – 100 – 100mV DC
5 1 – 5V DC
6 4 – 20mA DC * Note: Available only when output 1 (4 – 20mA DC) is selected.
7 0 – 5V DC
8 0 – 10V DC
9 Others (Please consult before ordering.)
Power Supply 90- 100 – 240V AC ±10% 50/60Hz
08- 24V DC ±10%
Remarks 0 Without
9 With (Please consult before ordering.)

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