LWTN-22D0/Q

更新时间:2024-10-29 22:40:23
品牌:MSYSTEM
描述:Power Transducer Series L-UNIT

LWTN-22D0/Q 概述

Power Transducer Series L-UNIT

LWTN-22D0/Q 数据手册

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MODEL: LWTN  
= 6.666 × 10–3 [kWh/pulse]  
= 6.666 [Wh/pulse]  
Power Transducer Series L-UNIT  
From Pulse Rate 150 [pulses/kWh]  
1 / 150 [pulses/kWh]  
WATT TRANSDUCER  
(self-powered, with pulse output)  
= 6.666 × 10–3 [kWh/pulse]  
= 6.666 [Wh/pulse]  
Functions & Features  
• Providing a DC output signal and pulse totalizer signal in  
proportion to AC active power  
From Frequency 0.03125 Hz (at 100 %)  
750 [W] / 0.03125 [H] × 3600 [s]  
= 6.666 [Wh/pulse]  
• Convenient pulse unit output (Wh×10  
n)  
• Measuring bidirectional power flow  
• DC output containing little ripple is ideal for computer  
[1] CONFIGURATION  
1: 3-phase / 3-wire  
input  
• "Time division multiplication" method accepts distorted  
waveforms  
2: Single-phase / 2-wire  
3: Single-phase / 3-wire  
4: 3-phase / 4-wire  
• Isolation up to 2000 V AC  
• High-density mounting  
Typical Applications  
[2] INPUT (unbalanced load)  
1: 110 V / 5 A AC  
• Centralized monitoring and control of power management  
system in a manufacturing facility or building  
• SCR – Silicon Controlled Rectifier  
2: 110 V / 1 A AC  
3: 220 V / 1 A AC  
4: 220 V / 5 A AC  
5: 220 V / 380 V / 1 A AC (3-phase / 4-wire)  
6: 220 V / 380 V / 5 A AC (3-phase / 4-wire)  
7: 110 V / 190 V / 1 A AC (3-phase / 4-wire)  
8: 110 V / 190 V / 5 A AC (3-phase / 4-wire)  
A: 100 V / 200 V / 1 A AC (single-phase / 3- wire)  
B: 100 V / 200 V / 5 A AC (single-phase / 3- wire)  
75  
(2.95)  
75  
(2.95)  
112  
[3] DC OUTPUT  
Current  
(4.41)  
mm (inch)  
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.)  
FW: -10 – +10 mA DC (Load resistance 1000 Ω max.)  
GW: -1 – +1 mA DC (Load resistance 10 kΩ max.)  
JW: -5 – +5 mA DC (Load resistance 2000 Ω max.)  
Z: Specify current (See OUTPUT SPECIFICATIONS)  
Voltage  
MODEL: LWTN–[1][2][3][4][5]  
ORDERING INFORMATION  
• Code number: LWTN–[1][2][3][4][5]  
Specify a code from below for each [1] through [5].  
(e.g. LWTN-11A2/Q)  
• Specify the specification for option code /Q  
(e.g. /C01/S01)  
• 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)  
How To Determine Pulse Unit  
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.)  
[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)  
http://www.m-system.co.jp/  
LWTN SPECIFICATIONS  
ES-1976 Rev.2 Page 1/5  
MODEL: LWTN  
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)  
[example]  
3-phase / 3-wire, measuring wattage 750 kW,  
VT 3300 / 110 V, CT 250 / 5 A  
(750 × 10 [W]) ÷ ((3300 / 110) × (250 / 5)) = 0 – 500 [W]  
3
I INPUT RANGE  
3-phase / 3-wire  
[4] PULSE OUTPUT (open collector)  
0: None  
BURDEN (VA)  
VOLT. CURR.  
INPUT  
AVAILABLE  
RANGE  
STD.RANGE  
1: 2.777 Hz at 100 % input  
110V/1A  
110V/5A  
220V/1A  
220V/5A  
200 W  
000 W  
0.1/ph  
P1: 2.5  
100  
500  
240  
1200 W  
480  
2400 W  
W
P3: 0.2  
1
0.5/ph  
2: Specify pulse unit (within 0.006 – 3.12 Hz)  
400 W  
0.1/ph  
P1: 2.5  
200  
W
P3: 0.4  
2
000 W  
0.5/ph  
1000  
[5] 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  
2.5  
0.5  
SPECIFICATIONS OF OPTION: Q (multiple selections)  
COATING (For the detail, refer to M-System's web site.)  
/C01: Silicone coating  
0.1  
2.5  
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  
0.1/ph  
P1: 2.5  
100  
500  
240 W  
P2: 0.2  
1
0.5/ph  
1200 W  
I INPUT RANGE  
3-phase / 4-wire  
GENERAL SPECIFICATIONS  
Construction: Stand-alone; terminal access at the front  
Connection: M3.5 screw terminals (torque 0.8 N·m)  
Screw terminal: Nickel-plated steel (standard) or stainless  
steel  
BURDEN (VA)  
VOLT. CURR.  
INPUT  
AVAILABLE  
RANGE  
STD.RANGE  
0.1  
/phase  
110V  
__  
P1 – P2  
: 2.5  
/1A  
/5A  
/1A  
/5A  
/1A  
/5A  
/1A  
/5A  
200 W  
1000 W  
350 W  
100  
500  
240 W  
1200 W  
420 W  
√ 3  
P3  
: 0.1  
0.5  
/phase  
110V  
__  
√ 3  
Housing material: Flame-resistant resin (black)  
Isolation: Voltage input to current input to DC output to  
pulse output  
0.1  
/phase  
190V  
__  
√ 3  
P1  
175  
: 2.5  
P2, P3  
: 0.2  
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)  
0.5  
/phase  
190V  
__  
√ 3  
1750 W  
400 W  
875  
2100 W  
480 W  
0.1  
/phase  
220V  
__  
√ 3  
P1 – P2  
: 2.5  
P3  
200  
0.5  
/phase  
220V  
__  
√ 3  
2000 W  
700 W  
1000  
350  
2400 W  
840 W  
: 0.3  
380V  
0.1  
/phase  
INPUT SPECIFICATIONS  
Frequency: 50 or 60 Hz  
__  
P1  
√ 3  
: 2.5  
P2, P3  
: 0.4  
380V  
__  
√ 3  
0.5  
/phase  
• Voltage Input  
3500 W  
1750  
4200 W  
Operational range: 85 – 110 % of rating  
Overload capacity: 150 % of rating for 10 sec., 110 %  
continuous  
OUTPUT SPECIFICATIONS  
DC Output  
• Current Input  
Operational range: 0 – 120 % of rating  
Overload capacity: 1000 % of rating for 3 sec., 200 % for 10  
sec., 120 % continuous  
• DC Current: -10 – + 20 mA DC  
Span: Min. 1 mA, max. 20 mA  
Offset: Max. 1.5 times span  
How To Determine Wattage Range  
Calibration Range [W] = (Measuring Wattage) /  
((VT Ratio) × (CT Ratio))  
Load resistance: Output drive 12 V maximum; 10 V for [±]  
output  
• DC Voltage: -10 – +12 V DC  
Minimum span: 5 mV  
Check that the required calibration range is within the  
available range in the table.  
Offset: Max. 1.5 times span  
http://www.m-system.co.jp/  
LWTN SPECIFICATIONS  
ES-1976 Rev.2 Page 2/5  
MODEL: LWTN  
Load resistance: Output drive 1 mA max. at ≥ 0.5 V  
Pulse output: Open collector; 0 Hz at 0 W  
(cutout at approx. 0.5 – 1.0 %)  
Rating: 35 V DC @ 100 mA  
ON voltage: ≤ 1 V at 100 mA  
ON duration: Max. 0.5 sec., min. approx. 50 msec.  
Frequency range:  
0 – 2.777 Hz (0 – 100 %) standard; 0 – 0.006 Hz through  
3.12 Hz is possible.  
2.777 Hz at 100 % Input  
[example] 1000 W calibration range  
2.777 [Hz] × 3600 [s] / 1 [kW] = 10000 [pulses/kWh]  
Specified 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.  
Output Frequeny [Hz] = Calibration Range [kW] × VT Ratio  
× CT Ratio / Pulse Unit [kWh/pulse] × 3600 [s]  
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  
Operating temperature: -10 to +55°C (14 to 131°F)  
Operating humidity: 30 to 85 %RH (non-condensing)  
Mounting: Surface or DIN rail  
Weight: 450 g (0.99 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 %)  
Ripple: 0.5 %p-p max.  
Insulation resistance: ≥ 100 MΩ with 500 V DC  
Dielectric strength: 2000 V AC @ 1 minute  
(voltage input to current input to DC output to pulse output  
to ground)  
Impulse withstand voltage: 1.2 / 50 μsec., ±5 kV  
(input to output or ground)  
http://www.m-system.co.jp/  
LWTN SPECIFICATIONS  
ES-1976 Rev.2 Page 3/5  
MODEL: LWTN  
CONNECTION DIAGRAM  
3-PHASE/3-WIRE  
SINGLE-PHASE/2-WIRE  
SOURCE  
SOURCE  
1
2
3
1
2
VT  
VT  
FUSE  
FUSE  
U
V
u
v
P1  
P2  
U
u
P1  
P2  
P3  
+
+
14  
15  
16  
7
8
14  
15  
7
8
PULSE OUTPUT  
PULSE OUTPUT  
V
V
v
v
+
+
11  
12  
11  
12  
U
u
DC OUTPUT  
DC OUTPUT  
K
K
K
1S  
1L  
3S  
3L  
1S  
1L  
k
k
l
1
2
5
6
1
2
k
CT  
CT  
L
l
l
L
L
LOAD  
LOAD  
SINGLE-PHASE/3-WIRE  
3-PHASE/4-WIRE  
SOURCE  
SOURCE  
1
N
2
N
1
2
3
VT  
VT  
FUSE  
FUSE  
U
u
P1  
P0  
P2  
U
V
u
v
P1  
P2  
P3  
P0  
+
+
14  
15  
16  
7
8
14  
15  
16  
13  
7
8
PULSE OUTPUT  
PULSE OUTPUT  
V
V
v
v
U
V
u
v
+
+
11  
12  
11  
12  
U
V
u
v
U
u
DC OUTPUT  
DC OUTPUT  
K
K
K
K K  
1S  
1L  
2S  
2L  
k
1
2
5
6
k
1S  
1L  
2S  
2L  
3S  
3L  
k
k
k
1
2
3
4
5
6
CT  
CT  
l
l
L
L
l
l
l
L
L
L
LOAD  
Pulse Output Connection Example  
LOAD  
Open Collector  
+
7
-
8
http://www.m-system.co.jp/  
LWTN SPECIFICATIONS  
ES-1976 Rev.2 Page 4/5  
MODEL: LWTN  
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)  
8 (.31)  
M3.5 SCREW  
(Only on the used terminals)  
2–5.8 (.23) dia. or  
2–4.8 (.18) dia.  
MTG HOLE  
8 (.31) deep  
DIN RAIL  
35mm wide  
1
9
2
3
4
5
6
7 8  
TERMINAL  
COVER  
10 11 12 13 14 15 16  
112 (4.41)  
[3.3 (.13)]  
75 (2.95)  
•When mounting, no extra space is needed between units.  
MOUNTING REQUIREMENTS unit: mm (inch)  
M5 SCREWS  
M4 SCREWS  
60 (2.36)  
60 (2.36)  
2–M5  
2–M4  
Specifications are subject to change without notice.  
http://www.m-system.co.jp/  
LWTN SPECIFICATIONS  
ES-1976 Rev.2 Page 5/5  

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