KUWT-31B1W2-R

更新时间:2024-10-29 22:40:14
品牌:MSYSTEM
描述:Plug-in Signal Conditioners K-UNIT

KUWT-31B1W2-R 概述

Plug-in Signal Conditioners K-UNIT

KUWT-31B1W2-R 数据手册

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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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