KUWT-1312-B [MSYSTEM]
Plug-in Signal Conditioners K-UNIT;
| 型号： | KUWT-1312-B |
| 厂家： | 
M-SYSTEM |
| 描述： | Plug-in Signal Conditioners K-UNIT |
| 文件： | 总5页 (文件大小：143K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MODEL: KUWT
= 6.666 [Wh/pulse]
Plug-in Signal Conditioners K-UNIT
• From Pulse Rate 150 [pulse/kWh]
1 ÷ 150 [pulse/kWh]
WATT TRANSDUCER
(with pulse output)
= 6.666 × 10–3 [kWh/pulse]
= 6.666 [Wh/pulse]
Functions & Features
• From Frequency 0.03125 Hz (at 100 %)
750 [W] ÷ (0.03125 [Hz] × 3600 [sec.]) = 6.666 [Wh/pulse]
• Providing a DC output signal and pulse totalizer signal in
proportion to AC active power
• Convenient pulse unit output (Wh×10
n)
[1] CONFIGURATION
1: 3-phase / 3-wire
• Measuring bidirectional power flow
• DC output containing little ripple is ideal for computer
2: Single-phase / 2-wire
3: Single-phase / 3-wire
input
• "Time division multiplication" method accepts distorted
waveforms
• High-density mounting
[2] INPUT (unbalanced load)
1: 110 V / 5 A AC
Typical Applications
2: 110 V / 1 A AC
• Centralized monitoring and control of power management
system in a manufacturing facility or building
• SCR – Silicon Controlled Rectifier
3: 220 V / 1 A AC
4: 220 V / 5 A AC
A: 100 V / 200 V / 1 A AC (single-phase / 3- wire)
B: 100 V / 200 V / 5 A AC (single-phase / 3- wire)
72
(2.83)
[3] DC OUTPUT
Current
80
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.)
J: 0 – 5 mA DC (Load resistance 2400 Ω max.)
GW: -1 – +1 mA DC (Load resistance 10 kΩ max.)
Z: Specify current (See OUTPUT SPECIFICATIONS)
Voltage
(3.15)
139
(5.47)
mm (inch)
MODEL: KUWT–[1][2][3][4]–[5][6]
ORDERING INFORMATION
• Code number: KUWT-[1][2][3][4]-[5][6]
Specify a code from below for each of [1] through [6].
(e.g. KUWT-11A4-C/Q)
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 1000 Ω min.)
4: 0 – 10 V DC (Load resistance 10 kΩ min.)
5: 0 – 5 V DC (Load resistance 5000 Ω min.)
6: 1 – 5 V DC (Load resistance 5000 Ω min.)
1W: -10 – +10 mV DC (Load resistance 10 kΩ min.)
2W: -100 – +100 mV DC (Load resistance 100 kΩ min.)
3W: -1 – +1 V DC (Load resistance 1000 Ω min.)
4W: -10 – +10 V DC (Load resistance 10 kΩ min.)
5W: -5 – +5 V DC (Load resistance 5000 Ω min.)
0: Specify voltage (See OUTPUT SPECIFICATIONS)
• Calibration range (e.g. -750 – +750 W)
• VT ratio, CT ratio (e.g. VT 3300 / 110 V, CT 250 / 5 A)
• Special DC output range (For codes Z & 0)
• Pulse output (e.g. 6.666 Wh/pulse)
• Specify the specification for option code /Q
(e.g. /C01/S01)
How To Determine Pulse Unit
[example]
3-phase / 3-wire, VT 3300 / 110 V, CT 250 / 5 A,
calibration range 750 W
• From Pulse Unit 10 [kWh/pulse]
10 [kWh/pulse] ÷ ((3300 ÷ 110) × (250 ÷ 5)) = 6.666 ×
10–3 [kWh/pulse]
[4] PULSE OUTPUT
2: Open collector
3: Relay contact (mercury relay)
KUWT SPECIFICATIONS
ES-3658 Rev.9 Page 1/5
http://www.m-system.co.jp/
MODEL: KUWT
Suffix code 3 has been discontinued. Select code 4 instead.
4: Power photo MOSFET relay
Overload capacity: 1000 % of rating for 3 sec., 200 % for 10
sec., 120% continuous
■ How To Determine Wattage Range
Calibration Range [W] = (Measuring Wattage) ÷
((VT Ratio) × (CT Ratio))
[5] AUXILIARY POWER SUPPLY
AC Power
Check that the required calibration range is within the
available range in the table.
B: 100 V AC
C: 110 V AC
[example]
D: 115 V AC
3-phase / 3-wire, measuring wattage 750 kW,
VT 3300 / 110 V, CT 250 / 5 A
F: 120 V AC
G: 200 V AC
(750 × 10 [W]) ÷ ((3300 ÷ 110) × (250 ÷ 5)) = 0 – 500 [W]
3
H: 220 V AC
I INPUT RANGE
• 3-phase / 3-wire
J: 240 V AC
DC Power
BURDEN (VA)
VOLT. CURR.
INPUT
AVAILABLE
RANGE
R: 24 V DC
STD.RANGE
V: 48 V DC
110V/1A
110V/5A
220V/1A
220V/5A
200 W
000 W
0.2
0.1/ph
0.5/ph
0.1/ph
0.5/ph
100
500
–
–
–
–
240
1200 W
480
2400 W
W
/phase
1
P: 110 V DC
400 W
200
W
0.4
/phase
2
000 W
1000
[6] OPTIONS
blank: none
• Single-phase / 2-wire
BURDEN (VA)
VOLT. CURR.
INPUT
AVAILABLE
RANGE
/Q: With options (specify the specification)
STD.RANGE
110V/1A
110V/5A
220V/1A
220V/5A
100 W
500 W
200 W
50
250
100
500
–
–
–
–
120 W
600 W
240 W
1200 W
0.1
0.2
0.5
SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
0.1
0.4
0.5
1
000 W
• Single-phase / 3-wire
/C02: Polyurethane coating
BURDEN (VA)
VOLT. CURR.
AVAILABLE
RANGE
INPUT
/C03: Rubber coating
STD.RANGE
TERMINAL SCREW MATERIAL
/S01: Stainless steel
200 W
000 W
200V/1A
200V/5A
0.2
0.1/ph
0.5/ph
100
500
–
–
240 W
/phase
1
1200 W
GENERAL SPECIFICATIONS
Construction: Plug-in
OUTPUT SPECIFICATIONS
■ DC OUTPUT
Connection: M3.5 screw terminals
• DC Current: 0 – 20 mA DC and ± 1 mA
Minimum span: 1 mA
Screw terminal: Chromated steel (standard) or stainless
steel
Offset: Max. 1.5 times span
Load resistance: Output drive 12 V max.
• DC Voltage: -10 – +12 V DC
Minimum span: 5 mV
Housing material: Flame-resistant resin (black)
Isolation: Voltage input to current input to DC output to
pulse output to auxiliary power
Computation: Time division multiplication
Overrange output: Approx. -10 – +120 % at 1 – 5 V
Zero adjustment(DC output): -5 to + 5 % (front)
Span adjustment(DC output): 95 to + 105 % (front)
Offset: Max. 1.5 times span
Load resistance: Output drive 1 mA max. at ≥ 0.5 V
■ Pulse output: Frequency output proportional to the input;
0 – 2.777 Hz typical; 0 Hz at 0 W (cutout at approx. 0.5 – 1.0
%); max. 27.77 Hz at 100 % input
INPUT SPECIFICATIONS
Frequency: 50 or 60 Hz
ON duration: 0.025 sec. min.
0.150 sec. min. when the maximum frequency is less than
1 Hz, with the S5 rotary switch set to other than 0.
• Power Photo MOSFET Relay
• Voltage Input
Operational range: 0 – 120 % of rating
Overload capacity: 150 % of rating for 10 sec., 120 %
continuous
Rating: 120 V AC/DC @ 100 mA (resistive load)
Max. ON resistance: 10 Ω
• Current Input
• Open Collector
Operational range: 0 – 120 % of rating
Rating: 35 V DC @ 100 mA
KUWT SPECIFICATIONS
ES-3658 Rev.9 Page 2/5
http://www.m-system.co.jp/
MODEL: KUWT
ON voltage: ≤ 1 V at 100 mA
Ripple: 0.5 %p-p max.(The output ripple may increase when
there is great difference between the frequencies of input
signal and power supply)
• Pulse Unit: refers to how much electrical energy (kWh)
consumption at the primary of the VT and CT corresponds to
the single output pulse per hour from the transducer.
• How to Set Pulse Unit: The switches S1 through S5, VT and
CT ratios, and the transducer's calibration input range all
determine the relative value of one pulse, i.e. the number of
kWh per pulse.
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @ 1 minute
(voltage input to current input to DC output to power to
ground)
VT Ratio × CT Ratio × Calibration Range [kW] ÷ (2.777 Hz ×
3600 [sec.] × 10 × Pulse Unit [kWh/pulse])
= 0.XXXX × 10–X
1000 V AC @ 1 minute
(pulse output to voltage input or current input or DC output
or power or ground)
= 0. [a1] [a2] [a3] [a4] × 10–[a5]
Impulse withstand voltage: 1.2 / 50 μsec., ±5 kV
(input to output or ground)
a1 thr. a4: integer, 1 though 9
a5: integer, 0 through 6
[example] VT 3300 / 110 V, CT 250 / 5 A, Pulse Unit 10
[kWh/pulse], Clibration Range 1000 [W]
3300 ÷ 110 × 250 ÷ 5 × 1 [kW] ÷ (2.777 Hz × 3600 [sec.]
× 10 × 10 [kWh/pulse]) = 0.1500 × 10–2
S1 = 1, S2 = 5, S3 = 0, S4 = 0, S5 = 2
■ OPERATION DIAGRAM (example)
OUT
20 mA
OUT
10 V
12
4
5
0
500
1000 W
0
500
1000 W
OUT
20 mA
OUT
+10 V
12
4
0
-10 V
-1000 W
-1000 W
0
+1000 W
0
+1000 W
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: 550 g (1.21 lb)
PERFORMANCE in percentage of span
Accuracy: ±0.5 % (at 23°C ±10°C or 73.4°F ±18°F,
45 – 65 Hz)
Response time: ≤ 2 sec. (0 – 100 % ±1 %)
KUWT SPECIFICATIONS
ES-3658 Rev.9 Page 3/5
http://www.m-system.co.jp/
MODEL: KUWT
EXTERNAL VIEW
a1 × 10– 1
a2 × 10– 2
a3 × 10– 3
a4 × 10– 4
10– (a5)
Pulse
Rate
S1
S2
S3
S4
S5
Zero Adj. (DC output)
Span Adj. (DC output)
Front Cover (open)
CONNECTION DIAGRAM
■ 3-PHASE/3-WIRE
■ SINGLE-PHASE/2-WIRE
SOURCE
1
SOURCE
1
2
3
2
VT
VT
FUSE
FUSE
U
V
u
v
P1
P2
U
u
P1
P2
P3
6
8
5
10
1
+
–
+
6
8
10
1
+
–
+
DC OUTPUT
DC OUTPUT
V
V
v
v
12
4
12
4
U
u
PULSE OUTPUT
–
PULSE OUTPUT
–
K
K
K
L
k
1S
1L
3S
3L
k
l
1S
1L
9
15
11
2
9
k
CT
*
*
*
15
CT
7
7
U(+)
V(–)
U(+)
V(–)
l
l
L
L
AUXILIARY POWER**
AUXILIARY POWER**
14
14
LOAD
LOAD
■ SINGLE-PHASE/3-WIRE
SOURCE
N 2
1
VT
FUSE
U
u
P1
P0
P2
6
8
5
10
1
+
DC OUTPUT
V
V
v
v
–
+
12
4
Pulse Output Connection Examples
U
u
PULSE OUTPUT
■ Open Collector
■ Power Photo MOSFET Relay
K
K
–
• AC Powered
k
1S
1L
2S
2L
Relay or
Counter Coil
9
15
11
2
+
–
12
12
k
*
*
Varistor or Spark
Quenching Circuit
CT
4
LOAD
4
7
U(+)
V(–)
l
l
L
U
L
AUXILIARY POWER**
• DC Powered
14
Relay or
Counter Coil
12
LOAD
Spark Quenching
Diode
LOAD
4
*CT Protector (model: CTM) attached to these terminals.
**The transducer can be powered from the input voltage when the voltage
is sufficiently stable and meets within the range of auxiliary power supply
of the unit specified in the data sheet/instruction manual.
KUWT SPECIFICATIONS
ES-3658 Rev.9 Page 4/5
http://www.m-system.co.jp/
MODEL: KUWT
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)
72 (2.83)
60 (2.36)
CLAMP
(top & bottom)
7.8
(.31)
DIN RAIL
35mm wide
7
14
6
5
12
4
3
2–4.5 (.18) dia.
MTG HOLE
25 (.98) deep
8
9
15 10
1
11
2
14–M3.5
SCREW
1
2
72 (2.83)
109 (4.29)
139 (5.47)
[3.3 (.13)]
CT PROTECTOR
(model: CTM)
• When mounting, no extra space is needed between units.
Positions of CTM
1
2
KUWT-2
KUWT-1, -3
1
Specifications are subject to change without notice.
KUWT SPECIFICATIONS
ES-3658 Rev.9 Page 5/5
http://www.m-system.co.jp/
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