首页 > MEWTF-231C-H/CE

MEWTF-231C-H/CE

更新时间：2025-07-03 22:25:32
品牌：MSYSTEM
描述：Plug-in Signal Conditioners M-UNIT

PDF下载

中文翻译

免费 PCB/SMT

MEWTF-231C-H/CE 概述

Plug-in Signal Conditioners M-UNIT

MEWTF-231C-H/CE 数据手册

通过下载MEWTF-231C-H/CE数据手册来全面了解它。这个PDF文档包含了所有必要的细节，如产品概述、功能特性、引脚定义、引脚排列图等信息。

PDF下载
MODEL: MEWTF  
B: 100 V / 200 V / 5 A AC (single-phase / 3- wire)  
Plug-in Signal Conditioners M-UNIT  
[3] FREQUENCY  
1: 50 Hz  
WATT TRANSDUCER  
(high-speed response)  
2: 60 Hz  
Functions & Features  
• Providing a DC output signal in proportion to AC active  
power  
[4] OUTPUT  
Current  
• Measuring bidirectional power flow  
• DC output containing little ripple is ideal for computer  
input  
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.)  
GW: -1 – +1 mA DC (Load resistance 10 kΩ max.)  
Z: Specify current (See OUTPUT SPECIFICATIONS)  
Voltage  
• Isolation up to 2000 V AC  
• High-density mounting  
Typical Applications  
• Quick countermeasure against fast and violent signal  
variations in power surveillance systems  
50  
(1.97)  
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)  
80  
(3.15)  
136  
(5.35)  
mm (inch)  
MODEL: MEWTF-[1][2][3][4]–[5][6]  
ORDERING INFORMATION  
• Code number: MEWTF-[1][2][3][4]-[5][6]  
Specify a code from below for each [1] through [6].  
(e.g. MEWTF-211A-B/CE/Q)  
[5] POWER INPUT  
AC Power  
B: 100 V AC  
•Calibration range (e.g. 0 – 500 W)  
•VT ratio, CT ratio (e.g. VT 3300/110 V, CT 250/5 A)  
•Special output range (For codes Z & 0)  
• Specify the specification for option code /Q  
(e.g. /C01/S01)  
C: 110 V AC  
D: 115 V AC  
F: 120 V AC  
G: 200 V AC  
H: 220 V AC  
J: 240 V AC  
[1] CONFIGURATION  
1: 3-phase / 3-wire (CE not available)  
[6] OPTIONS (multiple selections)  
Standards & Approvals  
2: Single-phase / 2-wire  
3: Single-phase / 3-wire (CE not available)  
blank: Without CE  
/CE: CE marking  
[2] INPUT (unbalanced load)  
1: 110 V / 5 A AC  
(Select ‘2’ for ‘Configuration’ code.)  
Custom specification  
2: 110 V / 1 A AC  
(Refer to the custom specification list for difference  
of specification and combination of code numbers.)  
blank: none  
3: 220 V / 1 A AC  
4: 220 V / 5 A AC  
A: 100 V / 200 V / 1 A AC (single-phase / 3- wire)  
MEWTF SPECIFICATIONS  
ES-1927 Rev.7 Page 1/7  
http://www.m-system.co.jp/  
MODEL: MEWTF  
/X1: Input range (CE not available)  
Other Options  
• 3-phase / 3-wire  
VOLTAGE INPUT CURRENT INPUT  
BURDEN BURDEN  
0.1VA 2  
STD  
RANGE  
AVAILABLE  
RANGE  
blank: none  
1A  
5A  
1A  
5A  
200W  
1000W  
400W  
100W – 240W  
500W – 1200W  
200W – 480W  
×
/Q: Option other than the above (specify the specification)  
110V 0.2VA 2  
×
0.5VA 2  
×
0.1VA 2  
×
220V 0.4VA 2  
×
SPECIFICATIONS OF OPTION: Q (multiple selections)  
COATING (For the detail, refer to M-System's web site.)  
/C01: Silicone coating  
0.5VA 2  
×
2000W 1000W – 2400W  
• Single-phase / 2-wire  
VOLTAGE INPUT CURRENT INPUT  
STD  
RANGE  
AVAILABLE  
RANGE  
/C02: Polyurethane coating  
BURDEN  
BURDEN  
0.1VA  
/C03: Rubber coating  
1A  
5A  
1A  
5A  
100W  
500W  
50W – 120W  
250W – 600W  
100W – 240W  
500W – 1200W  
110V 0.2VA  
TERMINAL SCREW MATERIAL  
/S01: Stainless steel  
0.5VA  
0.1VA  
200W  
220V 0.4VA  
0.5VA  
1000W  
GENERAL SPECIFICATIONS  
Construction: Plug-in  
• Single-phase / 3-wire  
VOLTAGE INPUT CURRENT INPUT  
BURDEN BURDEN  
0.1VA 2  
STD  
RANGE  
AVAILABLE  
RANGE  
Connection: M3.5 screw terminals  
Screw terminal: Chromated steel (standard) or stainless  
steel  
1A  
5A  
200W  
100W – 240W  
500W – 1200W  
×
100/  
0.2VA 2  
×
200V *1  
0.5VA 2  
×
1000W  
Housing material: Flame-resistant resin (black)  
Isolation: Voltage input to current input to output to power  
Overrange output: Approx. -10 to +120 % at 1 – 5 V  
Zero adjustment: -5 to +5 % (front)  
Span adjustment: 95 to 105 % (front)  
100/200V: 100V = phase voltage  
200V = line voltage except the grounding.  
OUTPUT SPECIFICATIONS  
■ DC Current: 0 – 20 mA DC and ± 1 mA  
Minimum span: 1 mA  
INPUT SPECIFICATIONS  
Frequency: Rated frequency ±2 Hz  
• Current Input  
Offset: Max. 1.5 times span  
Load resistance: Output drive 12 V maximum; 10 V for [±]  
output  
Operational range: 0 – 120 % of rating  
Overload capacity: 1000 % of rating for 3 sec., 200 % for 10  
sec., 120% continuous  
■ DC Voltage: -10 – +12 V DC  
Minimum span: 5 mV  
• Voltage Input  
Offset: Max. 1.5 times span  
Operational range: 10 – 120 % of rating  
Overload capacity: 150 % of rating for 10 sec., 120 %  
continuous  
Load resistance: Output drive 1 mA max. at ≥ 0.5 V  
■ OPERATION DIAGRAM (example)  
OUT  
20 mA  
OUT  
10 V  
■ How To Determine Wattage Range  
Calibration Range [W] = Measuring Wattage ÷ ((VT Ratio) ×  
(CT Ratio))  
12  
4
5
Check that the required calibration range is within the  
available range in the table. Specify this range when  
ordering.  
0
500  
1000 W  
0
500  
1000 W  
[example]  
OUT  
20 mA  
OUT  
+10 V  
3-phase / 3-wire, measuring wattage 750 kW,  
VT 3300/110 V, CT 250/5 A  
12  
4
750 × 10 [W] ÷ ((3300÷110) × (250÷5))= 0 – 500 [W]  
3
0
-10 V  
-1000 W  
-1000 W  
0
+1000 W  
0
+1000 W  
MEWTF SPECIFICATIONS  
ES-1927 Rev.7 Page 2/7  
http://www.m-system.co.jp/  
MODEL: MEWTF  
INSTALLATION  
Power input  
•AC: Operational voltage range: rating ±10 %,  
50/60 ±2 Hz, approx. 3.5 VA  
Operating temperature: -5 to +60°C (23 to 140°F)  
Operating humidity: 30 to 90 %RH (non-condensing)  
Mounting: Surface or DIN rail  
Weight: 450 g (0.99 lb)  
PERFORMANCE in percentage of span  
Accuracy: ±1.0 %  
Temp. coefficient: ±0.1 %/°C (±0.06 %/°F)  
Response time: Approx. 40 msec. (0 – 90 %)  
Ripple: 1 %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  
(voltage input to current input to output to power to ground)  
STANDARDS & APPROVALS  
EU conformity:  
EMC Directive  
EMI EN 61000-6-4  
EMS EN 61000-6-2  
Low Voltage Directive  
EN 61010-1  
Measurement Category II (input)  
Installation Category II (power)  
Pollution Degree 2  
Input to output or power: Reinforced insulation (300 V)  
Output to power: Basic insulation (300 V)  
RoHS Directive  
EN 50581  
MEWTF SPECIFICATIONS  
ES-1927 Rev.7 Page 3/7  
http://www.m-system.co.jp/  
MODEL: MEWTF  
CONNECTION DIAGRAM  
■ 3-PHASE/3-WIRE  
■ SINGLE-PHASE/2-WIRE  
SOURCE  
3
SOURCE  
1
1
2
2
VT  
VT  
FUSE  
FUSE  
U
V
u
v
P1  
P2  
U
u
P1  
P2  
P3  
5
6
1
2
+
–
3
9
4
1
2
+
–
OUTPUT  
OUTPUT  
V
V
v
v
10  
11  
10  
11  
U
V
U
V
U
u
POWER**  
POWER**  
K
K
K
L
k
1S  
1L  
3S  
3L  
k
l
1S  
1L  
5
6
7
8
7
8
k
CT  
*
*
*
CT  
l
l
L
L
LOAD  
*CT Protector (model: CTM) attached to these terminals.  
LOAD  
*CT Protector (model: CTM) attached to these terminals.  
■ SINGLE-PHASE/3-WIRE  
SOURCE  
N 2  
1
**The transducer can be powered from the input voltage  
when the voltage is sufficiently stable and meets  
other supply voltage requirements.  
VT  
FUSE  
U
u
P1  
P0  
P2  
3
9
4
1
2
+
–
OUTPUT  
V
V
v
v
10  
11  
U
V
U
u
POWER**  
K
K
k
1S  
1L  
2S  
2L  
5
6
7
8
k
*
*
CT  
l
l
L
L
LOAD  
*CT Protector (model: CTM) attached to these terminals.  
EXTERNAL DIMENSIONS unit: mm (inch)  
CLAMP  
(top & bottom)  
7.8 (.31)  
DIN RAIL  
35mm wide  
8
9
7
6
5
4
2–  
4.5 (.18) dia.  
MTG HOLE  
25 (.98) deep  
3
2
10 11  
1
11  
–M3.5  
SCREW  
50 (1.97)  
107 (4.21)  
136 (5.35)  
40 (1.57)  
50 (1.97)  
[3.3 (.13)]  
• When mounting, no extra space is needed between units.  
MEWTF SPECIFICATIONS  
ES-1927 Rev.7 Page 4/7  
http://www.m-system.co.jp/  
MODEL: MEWTF  
TERMINAL ASSIGNMENTS unit: mm (inch)  
CT PROTECTOR  
(model: CTM)  
Positions of CTM  
2
1
2
2
For Single-phase / 2-wire  
For Three-phase / 3-wire  
or Single-phase / 3-wire  
1
8
7
6
5
4
9
3
2
10 11  
1
Specifications are subject to change without notice.  
MEWTF SPECIFICATIONS  
ES-1927 Rev.7 Page 5/7  
http://www.m-system.co.jp/  
MODEL: MEWTF  
CUSTOM SPECIFICATION LIST  
Refer to the following pages for each detailed custom specification.  
Custom specification: Option /X1  
■ Major specification changes  
Input 0%: -10 - 0 % of input 100% (W)  
MEWTF SPECIFICATIONS  
ES-1927 Rev.7 Page 6/7  
http://www.m-system.co.jp/  
MODEL: MEWTF  
CUSTOM SPECIFICATION : OPTION /X1  
Major specification changes  
Input 0%: -10 - 0 % of input 100% (W)  
MODEL: MEWTF-[1][2][3][4]–[5][6]  
Same as standard specification (without customization)  
except followings.  
Refer to standard specification pages.  
ORDERING INFORMATION  
• Code number: MEWTF-[1][2][3][4]-[5][6]  
For each [1] through [6] same code as standard  
specification is available.  
Be sure to specify /X1 of option [6].  
(e.g. MEWTF-111A-B/X1/Q)  
Refer to standard specification pages.  
SPECIFICATION CHANGES  
■ Input specifications  
• Available input range  
The value for 0% is within -10 - 0 % of input 100%.  
e.g. Input range: -75 to 1000 [W]  
-75 [W] ÷ 1000 [W] × 100 = -7.5 [%]  
■ OPERATION DIAGRAM (example)  
OUTPUT  
20 mA  
OUTPUT  
+10 V  
12  
4
0
INPUT  
+1000 W  
INPUT  
+1000 W  
-10  
-1000  
-1000  
-75  
0
-75 0  
MEWTF SPECIFICATIONS  
ES-1927 Rev.7 Page 7/7  
http://www.m-system.co.jp/  

MEWTF-231C-H/CE 相关器件

型号 制造商 描述 价格 文档
MEWTF-231C-J MSYSTEM Plug-in Signal Conditioners M-UNIT 获取价格
MEWTF-231C-J/CE MSYSTEM Plug-in Signal Conditioners M-UNIT 获取价格
MEWTF-231D-B MSYSTEM Plug-in Signal Conditioners M-UNIT 获取价格
MEWTF-231D-B/CE MSYSTEM Plug-in Signal Conditioners M-UNIT 获取价格
MEWTF-231D-B/Q MSYSTEM Plug-in Signal Conditioners M-UNIT 获取价格
MEWTF-231D-C MSYSTEM Plug-in Signal Conditioners M-UNIT 获取价格
MEWTF-231D-C/CE MSYSTEM Plug-in Signal Conditioners M-UNIT 获取价格
MEWTF-231D-D MSYSTEM Plug-in Signal Conditioners M-UNIT 获取价格
MEWTF-231D-D/CE MSYSTEM Plug-in Signal Conditioners M-UNIT 获取价格
MEWTF-231D-F MSYSTEM Plug-in Signal Conditioners M-UNIT 获取价格

MEWTF-231C-H/CE 相关文章

  • 5V 过电压保护回路电路解析：复杂原理源于简单设计
    2025-07-04
    52
  • 先进封装：台积电、英特尔、三星等大厂的新战场
    2025-07-04
    76
  • 探秘台积电 SoW：从起源到应用的深度剖析
    2025-07-04
    30
  • 英特尔战略调整：舍弃 18A，全力进军 1.4nm 制程
    2025-07-04
    26

    • 热门型号

  • 1N5930
  • 1N5942B
  • 1N4001
  • MBR3050CT
  • RTA02-8D
  • 4116T
  • 5KP43A/4
  • 1N5260A
  • MC79L05
  • BZX85C30
  • 9510-G
  • W2PE-54WZ-P
  • 1N6063
  • 2SA673
  • 20IMX35
    • Hi,有什么可以帮您？ 在线客服 或 微信扫码咨询
  • 概述
  • 数据手册
    • 2025 ICPDF网 联系我们和版权申明:QQ 272164286