ES-1902 Rev.3
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 of [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 our 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]
■ TRANSMITTER
■ SENSOR
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM