KCE

KCE

KCE Plug-in Signal Conditioners K-UNIT
CT TRANSMITTER
(RMS sensing)

Functions & Features
• Converting an alternating current from a current transformer into a standard process signal
• Minimum ripple
• RMS sensing
• CT Protector provided for open-circuit protection
• Isolation up to 2000 V AC
• High-density mounting
Typical Applications
• Centralized monitoring and control of motors, pumps or heaters by DCS
• Monitoring power line and power supply current
详情
MODEL: KCE–[1][2]–[3][4]
ORDERING INFORMATION
• Code number: KCE-[1][2]-[3][4]
Specify a code from below for each of [1] through [4].
  (e.g. KCE-1A-B/Q)
• Special output range (For codes Z & 0)
• Specify the specification for option code /Q
  (e.g. /C01/S01)

[1] INPUT
Current
1 : 0 – 1 A AC
5 : 0 – 5 A AC

[2] OUTPUT
Current
A : 4 – 20 mA DC (Load resistance 600 Ω max.)
B : 2 – 10 mA  DC (Load resistance 1200 Ω max.)
C : 1 – 5 mA DC (Load resistance 2400 Ω max.)
D : 0 – 20 mA DC (Load resistance 600 Ω max.)
E : 0 – 16 mA DC (Load resistance 750 Ω max.)
F : 0 – 10 mA DC (Load resistance 1200 Ω max.)
G : 0 – 1 mA DC (Load resistance 12 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.)
0 : Specify voltage (See OUTPUT SPECIFICATIONS)

[3] AUXILIARY POWER SUPPLY
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
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 : Plug-in
Connection : M3.5 screw terminals
Screw terminal : Chromated steel (standard) or stainless steel
Housing material : Flame-resistant resin (black)
Isolation : Input to output to auxiliary power
Input waveform : 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 SPECIFICATIONS
Operational range:  0 – 120 % of rating
Frequency:  50 or 60 Hz
Input burden:  0.1 VA (input 0 – 1 A)
  0.5 VA (input 0 – 5 A)
Overload capacity:  1000 % of rating for 3 sec.,
200 % for 10 sec., 120 % continuous

OUTPUT SPECIFICATIONS
■ DC Current : 0 – 20 mA DC
Minimum span : 1 mA
Offset : Max. 1.5 times span
Load resistance : Output drive 12 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
Auxiliary power supply
AC : Operational voltage range: rating -15/+10 %,
50/60 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 (18 mA at 110 V)
Operating temperature : -10 to +55°C (14 to 131°F)
Operating humidity : 30 to 85 %RH (non-condensing)
Mounting : Surface or DIN rail
Weight : 350 g (0.77 lb)

PERFORMANCE in percentage of span
Accuracy : ±0.3 % (at 23°C ±10°C or 73.4°F ±18°F,
45 – 65 Hz)
Response time : ≤ 1 sec. (0 – 100 % ±1 %)
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
(input to output to auxiliary power to ground)
Impulse withstand voltage : 1.2 / 50 μsec., ±5 kV
(input to output or ground)

CONNECTION DIAGRAM

EXTERNAL DIMENSIONS unit: mm (inch)

TERMINAL ASSIGNMENTS unit: mm (inch)

M-System Co., Ltd.
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