·Some details are not shown. Please refer to specification sheets for all information.

CTS2

Plug-in Signal Conditioners M-UNIT

HIGH AC CURRENT TRANSMITTER
(wide bandwidth)

Functions & Features
• Detecting high current at the flexible current probe and providing a porportional low-ripple standard signal appropriate for computer use
• Wide frequency band can be accepted
• Clipped around a conductor without disconnecting the conductor
• Rogowski coil type
• Isolation up to 2000 V AC
• High-density mounting
Typical Applications
• Measurement in tight places as never before possible
• Monitoring load current of motors employing inverters
• Detecting failures of a pump or other device by monitoring abnormal load current of motors
• Monitoring current of electric welding machine
 

MODEL: CTS2–[1][2]–[3][4]

ORDERING INFORMATION
•Code number: CTS2-[1][2]-[3][4]
Specify a code from below for each [1] through [4].
  (e.g. CTS2-AA-B/Q)
•Special output range (For codes Z & 0)
• Specify the specification for option code /Q
  (e.g. /C01/S01)

Default Setting for input range:
30 A for 300 A rating
300 A for 3000 A rating

[1] INPUT
Current
A : 0 – 300 A AC (30, 60, 150 or 300 A selectable)
B : 0 – 3000 A AC (300, 600, 1500 or 3000 A selectable)

[2] OUTPUT
Current
A: 4 – 20 mA DC (Load resistance 750 Ω max.)
B: 2 – 10 mA DC (Load resistance 1500 Ω max.)
C: 1 – 5 mA DC (Load resistance 3000 Ω max.)
D: 0 – 20 mA DC (Load resistance 750 Ω max.)
E: 0 – 16 mA DC (Load resistance 900 Ω max.)
F: 0 – 10 mA DC (Load resistance 1500 Ω max.)
G: 0 – 1 mA DC (Load resistance 15 kΩ max.)
Z: Specify current (See OUTPUT SPECIFICATIONS)
Voltage
1: 0 – 10 mV DC (Load resistance 10 kΩ min.)
2: 0 – 100 mV DC (Load resistance 100 kΩ min.)
3: 0 – 1 V DC (Load resistance 100 Ω min.)
4: 0 – 10 V DC (Load resistance 1000 Ω min.)
5: 0 – 5 V DC (Load resistance 500 Ω min.)
6: 1 – 5 V DC (Load resistance 500 Ω min.)
4W: -10 – +10 V DC (Load resistance 2000 Ω min.)
5W: -5 – +5 V DC (Load resistance 1000 Ω min.)
0: Specify voltage (See OUTPUT SPECIFICATIONS)

[3] POWER INPUT
AC Power
B: 100 V AC
C: 110 V AC
D: 115 V AC
F: 120 V AC
G: 200 V AC
H: 220 V AC
J: 240 V AC
DC Power
S: 12 V DC
R: 24 V DC
V: 48 V DC
P: 110 V DC

[4] OPTIONS
blank: none
/Q: With options (specify the specification)

SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating
TERMINAL SCREW MATERIAL
/S01: Stainless steel

GENERAL SPECIFICATIONS
Construction
  Probe: Clip-around type
  Transmitter: Plug-in
Connection
  Output & power
: M3.5 screw terminals
  Input: Connector
Screw terminal: Chromated steel (standard) or stainless steel
Housing material
  Probe: TPE rubber, Polypropylene
  Transmitter: Flame-resistant resin (black)
Isolation: Current input to sensor output or transmitter input or transmitter output to power
Input waveform
  RMS sensing: Up to 15 % of 3rd harmonic content
Overrange output: 0 to 120 % at 1 – 5 V
Zero adjustment: -5 to +5 % (front)
Span adjustment: 95 to 105 % (front)
Input range: Selectable with the front DIP switch
among 30, 60, 150 or 300 A, or 300, 600,
1500 or 3000 A

INPUT SPECIFICATIONS
Frequency: 4 Hz – 10 kHz (±3 dB)
Max. operating voltage: 1000 V AC (primary side)
Overload capacity: 1000 % of rating for 3 seconds,
200 % for 10 seconds, 120 % continuous
Operational range: 0 – 120 % of rating

OUTPUT SPECIFICATIONS
■ DC Current: 0 – 20 mA DC
Minimum span: 1 mA
Offset: Max. 1.5 times span
Load resistance: Output drive 15 V max.
DC Voltage: -10 – +12 V DC
Minimum span: 5 mV
Offset: Max. 1.5 times span
Load resistance: Output drive 10 mA max.; 5 mA for negative voltage output; at ≥ 0.5 V

INSTALLATION
Power input
AC: Operational voltage range: rating ±10 %,
50/60 ±2 Hz, approx. 2 VA
DC: Operational voltage range: rating ±10 %, or 85 – 150 V for 110 V rating (ripple 10 % p-p max.)
approx. 2 W (80 mA at 24 V)
Operating temperature
  Probe: -10 to +55°C (14 to 131°F)
  Transmitter: -5 to +60°C (23 to 140°F)
Operating humidity:
  Probe: 15 to 85 % RH (non-condensing)
  Transmitter: 30 to 90 % RH (non-condensing)
Mounting: Surface or DIN rail
Weight
  Probe
: 370 g (0.82 lb)
  Transmitter: 300 g (0.66 lb)

PERFORMANCE in percentage of span
Accuracy: ±1.5 % at 20 Hz – 1 kHz
Repeatability: ±0.1 %
Position sensitivity: ±1 % (In recommended mounting; otherwise the sensitivity may increase. Refer to the instruction manual.)
Temp. coefficient: ±0.15 %/°C (±0.08 %/°F)
Response time: Approx. 1.5 sec. (0 – 90 %)
Ripple: 0.5 %p-p max.
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @ 1 minute
(Current input to sensor output or transmitter input or transmitter output to power to ground)

EXTERNAL VIEW

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

M-System Co., Ltd.