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KWRS-3AC-S/K

更新时间：2024-10-29 22:29:26
品牌：MSYSTEM
描述：Plug-in Signal Conditioners K-UNIT

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KWRS-3AC-S/K 概述

Plug-in Signal Conditioners K-UNIT

KWRS-3AC-S/K 数据手册

通过下载KWRS-3AC-S/K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。

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MODEL: KWRS  
5: Pt 50 Ω (JIS'81)  
Plug-in Signal Conditioners K-UNIT  
(Usable range: -200 to +500°C, -328 to +932°F; min.span: 100°C, 180°F)  
6: Ni 508.4 Ω  
RTD TRANSMITTER  
(two isolated outputs)  
(Usable range: -50 to +200°C, -58 to +392°F; min.span: 30°C, 54°F)  
0: Specify  
Functions & Features  
Note: Consult M-System for 2-wire RTD  
• Accepting direct input from an RTD and providing  
two standard process signals  
[2] OUTPUT 1  
• Linearization  
Current  
• Burnout protection  
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  
• "Active bridge" circuit containing two constant current  
sources allows large leadwire resistances up to 200 Ω  
• Fast response type available  
• High-density mounting  
Typical Applications  
• Long distance transmission between the RTD and the  
transmitter  
• Combination with intrinsic safety barriers  
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.)  
0: Specify voltage (See OUTPUT SPECIFICATIONS)  
50  
(1.97)  
80  
(3.15)  
132  
(5.20)  
[3] OUTPUT 2  
mm (inch)  
Current  
A: 4 – 20 mA DC (Load resistance 350 Ω max.)  
B: 2 – 10 mA DC (Load resistance 700 Ω max.)  
C: 1 – 5 mA DC (Load resistance 1400 Ω max.)  
D: 0 – 20 mA DC (Load resistance 350 Ω max.)  
E: 0 – 16 mA DC(Load resistance 430 Ω max.)  
F: 0 – 10 mA DC (Load resistance 700 Ω max.)  
G: 0 – 1 mA DC (Load resistance 7000 Ω max.)  
Z: Specify current (See OUTPUT SPECIFICATIONS)  
Voltage  
MODEL: KWRS–[1][2][3]–[4][5]  
ORDERING INFORMATION  
• Code number: KWRS-[1][2][3]-[4][5]  
Specify a code from below for each of [1] through [5].  
(e.g. KWRS-4AA-B/BL/Q)  
• Temperature range (e.g. 0 – 500°C)  
• Special output ranges (For codes Z & 0)  
• Specify the specification for option code /Q  
(e.g. /C01/S01)  
Same range availability as Output 1  
[4] POWER INPUT  
AC Power  
Note: When the user requires a current and a voltage  
output, specify the current to be the Output 1 which allows  
a greater load.  
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  
[1] INPUT RTD (2- or 3-wire)  
1: JPt 100 (JIS'89)  
(Usable range: -200 to +500°C, -328 to +932°F; min.span: 50°C, 90°F)  
3: Pt 100 (JIS'89)  
(Usable range: -200 to +650°C, -328 to +1202°F; min.span: 50°C, 90°F)  
4: Pt 100 (JIS'97, IEC)  
DC Power  
S: 12 V DC  
(Usable range: -200 to +650°C, -328 to +1202°F; min.span: 50°C, 90°F)  
R: 24 V DC  
KWRS SPECIFICATIONS  
ES-3537 Rev.10 Page 1/3  
http://www.m-system.co.jp/  
MODEL: KWRS  
[5] OPTIONS (multiple selections)  
Response Time (0 – 90 %)  
blank: Standard (≤ 0.5 sec.)  
/K: Fast Response (Approx. 25 msec.)  
Burnout  
INSTALLATION  
Power input  
•AC: Operational voltage range: rating ±10 %,  
50/60 ±2 Hz, approx. 3 VA  
•DC: Operational voltage range: rating ±10 %  
ripple 10 %p-p max., approx. 3 W (125 mA at 24 V)  
Operating temperature: -5 to +55°C (23 to 131°F)  
Operating humidity: 30 to 90 %RH (non-condensing)  
Mounting: Surface or DIN rail  
blank: Upscale burnout  
/BL: Downscale burnout  
Other Options  
blank: none  
/Q: Option other than the above (specify the specification)  
Weight: 400 g (0.88 lb)  
SPECIFICATIONS OF OPTION: Q (multiple selections)  
COATING (For the detail, refer to M-System's web site.)  
/C01: Silicone coating  
PERFORMANCE in percentage of span  
Accuracy: ±0.2 %  
Temp. coefficient: ±0.02 %/°C (±0.01 %/°F)  
Burnout response: ≤ 10 sec.  
/C02: Polyurethane coating  
/C03: Rubber coating  
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 power to ground)  
TERMINAL SCREW MATERIAL  
/S01: Stainless steel  
1000 V AC @ 1 minute (output 1 to output 2)  
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 1 to output 2 to power  
Overrange output: Approx. -10 to +120 % at 1 – 5 V  
Zero adjustment: -5 to +5 % (front)  
Span adjustment: 95 to 105 % (front)  
Adjustable individually for each output 1 and output 2.  
At burnout: Downscale ≤ -10 %, Upscale ≥ 110 %  
Linearization: Standard  
INPUT SPECIFICATIONS  
Maximum leadwire resistance: 200 Ω per wire (3-wire)  
Sensing current: 2 mA  
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. for Output 1;  
7 V max. for Output 2  
■ DC Voltage: -10 – +12 V DC  
Minimum span: 5 mV  
Offset: Max. 1.5 times span  
Load resistance: Output drive 1 mA max. at ≥ 0.5 V  
KWRS SPECIFICATIONS  
ES-3537 Rev.10 Page 2/3  
http://www.m-system.co.jp/  
MODEL: KWRS  
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)  
CLAMP  
(top & bottom)  
7.8 (.31)  
DIN RAIL  
35mm wide  
8
7
6
5
4
2
–4.5 (.18) dia.  
MTG HOLE  
25 (.98) deep  
9
3
2
10 11  
1
11  
–M3.5  
SCREW  
50 (1.97)  
103 (4.06)  
132 (5.20)  
40 (1.57)  
50 (1.97)  
[3.3 (.13)]  
• When mounting, no extra space is needed between units.  
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM  
Burnout  
RTD  
4
5
6
3
9
A
B
B
Z
S
Isolation  
Reference  
Resistor  
+
Differential  
Amplifier  
Output  
Driver  
–
1
2
+
–
OUTPUT 1  
2mA  
2mA  
Z
S
Linearizer  
Output  
Driver  
10  
11  
7
+
OUTPUT 2  
POWER  
–
U(+)  
V(–)  
8
Base Socket  
Specifications are subject to change without notice.  
KWRS SPECIFICATIONS  
ES-3537 Rev.10 Page 3/3  
http://www.m-system.co.jp/  

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