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WJPA-321-B

更新时间：2024-11-08 22:45:56
品牌：MSYSTEM
描述：Dual Output Plug-in Signal Conditioners W-UNIT

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WJPA-321-B 概述

Dual Output Plug-in Signal Conditioners W-UNIT

WJPA-321-B 数据手册

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MODEL: WJPA  
oval flowmeter).  
Dual Output Plug-in Signal Conditioners W-UNIT  
[1] INPUT  
FREQUENCY TRANSMITTER  
(field-programmable)  
1: Open collector (Excitation: 12 V @ 30 mA)  
2: Voltage pulse (Excitation: 12 V @ 30 mA)  
3: Mechanical contact (Excitation: 12 V @ 30 mA)  
Functions & Features  
• Converting the output from a pulse-type transducer into  
standard process signal  
• Micro-processor based  
[2] OUTPUT 1  
Current  
• Field-programmable frequency range  
• Linearization available for flow compensation  
• Averaging non-uniform pulses  
• Excitation  
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  
• Isolation up to 2000 V AC  
• Loop testing via hand-held programmer PU-2x  
• High-density mounting  
Typical Applications  
• Positive displacement flowmeters, turbine flowmeters and  
vortex flowmeters  
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.)  
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)  
• Proximity switches  
• Oval flowmeters  
50  
(1.97)  
80  
(3.15)  
136  
(5.35)  
[3] OUTPUT 2  
Current  
mm (inch)  
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: WJPA–[1][2][3]–[4][5]  
ORDERING INFORMATION  
• Code number: WJPA-[1][2][3]-[4][5]  
Specify a code from below for each of [1] through [5].  
(e.g. WJPA-2AA-B/Q)  
• Frequency range (e.g. 0 – 152.3 Hz)  
Same range availability as Output 1  
• Special output ranges (For codes Z & 0)  
• Linearization data (max. 16 points)  
Use Ordering Information Sheet (No. ESU-1673) to specify  
linearization data when the I/O signals are non-linear.  
• Specify the specification for option code /Q  
(e.g. /C01/S01)  
Note 1: When the user requires a current and a voltage  
output, specify the current to be the Output 1 which allows  
a greater load.  
Note 2: Consult factory on applications with a sensor  
handling periodically (& quickly) changing frequency (e.g.  
WJPA SPECIFICATIONS  
ES-2273 Rev.9 Page 1/4  
http://www.m-system.co.jp/  
MODEL: WJPA  
range, low-end cutout, zero and span, simulating output,  
averaging nonuniform pulses, linearization data, etc.  
(Refer to the users manual of JXCON for the adjustments  
configurable with JXCON.)  
[4] POWER INPUT  
AC Power  
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  
Low-end cutout: 0 – 100 % adjustable (factory set to 0 %);  
hysteresis fixed to 1 %  
(% of the range from 0 Hz to 100 % frequency.)  
INPUT SPECIFICATIONS  
Excitation: 12 V DC @30 mA; shortcircuit protection  
Pulse width (time) requirement: 10 msec. min. at  
< 20 Hz; duty ratio 20 – 80 % at ≥ 20 Hz  
Offset: Max. 3 times span  
DC Power  
S: 12 V DC  
R: 24 V DC  
V: 48 V DC  
■ Open Collector  
Frequency range: 0 – 0.01 Hz through 25 kHz  
(0 – 1 kHz will be used if not otherwise specified)  
Sensing: Approx. 12 V DC @ 3 mA  
ON/OFF level: ≤ 800 Ω / 2 V for ON,  
≥ 1.2 kΩ / 3.6 V for OFF  
[5] OPTIONS  
blank: none  
/Q: With options (specify the specification)  
SPECIFICATIONS OF OPTION: Q (multiple selections)  
COATING (For the detail, refer to M-System's web site.)  
/C01: Silicone coating  
■ Mechanical Contact  
Frequency range: 0 – 0.01 Hz through 5 Hz  
(0 – 5 Hz will be used if not otherwise specified)  
Sensing: Approx. 12 V DC @ 3 mA  
ON/OFF level: ≤ 800 Ω / 2 V for ON,  
≥ 1.2 kΩ / 3.6 V for OFF  
/C02: Polyurethane coating  
/C03: Rubber coating  
TERMINAL SCREW MATERIAL  
/S01: Stainless steel  
■ Voltage Pulse: Square or sine waveforms  
Frequency range: 0 – 0.01 Hz through 25 kHz  
(0 - 1 kHz will be used if not otherwise specified.)  
Input amplitude: 2 – 50 Vp-p  
RELATED PRODUCTS  
• Programming Unit (model: PU-2x)  
Input impedance: 10 kΩ min.  
• PC configurator software (model: JXCON)  
Downloadable at M-System’s web site.  
A dedicated cable is required to connect the module to the  
PC. Please refer to the internet software download site or  
the users manual for the PC configurator for applicable  
cable types.  
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  
GENERAL SPECIFICATIONS  
Construction: Plug-in  
■ DC Voltage: -10 – +10 V DC  
Minimum span: 5 mV  
Connection: M3.5 screw terminals  
Offset: Max. 1.5 times span  
Screw terminal: Chromated steel (standard) or stainless  
steel  
Load resistance: Output drive 1 mA max.; at ≥ 0.5 V  
Housing material: Flame-resistant resin (black)  
Isolation: Input to output 1 to output 2 to power  
Overrange output: -10 – +120 % at 1 – 5 V  
(0 – 120 % when 0 % input equals to 0 Hz.)  
Zero adjustment: -5 to +5 % (front)  
Span adjustment: 95 to 105 % (front)  
Adjustable individually for each output 1 and output 2.  
Linearization: 16 points max. represented as percentage of  
full-scale  
Adjustments: Programming Unit (model: PU-2x); input  
WJPA SPECIFICATIONS  
ES-2273 Rev.9 Page 2/4  
http://www.m-system.co.jp/  
MODEL: WJPA  
INSTALLATION  
Power input  
•AC: Operational voltage range: rating ±10 %,  
50/60 ±2 Hz, approx. 3.5 VA  
•DC: Operational voltage range: rating ±10 %  
ripple 10 %p-p max., approx. 2.6 W (110 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  
Weight: 400 g (0.88 lb)  
PERFORMANCE in percentage of span  
Accuracy: ±0.1 % with segment gain ≤ 1 [±0.1 % × gain]  
with segment gain > 1  
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)  
Response time: 0.5 sec. + 1 pulse cycle (0 – 90 %)  
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)  
1000 V AC @ 1 minute (output 1 to output 2)  
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)  
107 (4.21)  
136 (5.35)  
40 (1.57)  
50 (1.97)  
[3.3 (.13)]  
• When mounting, no extra space is needed between units.  
WJPA SPECIFICATIONS  
ES-2273 Rev.9 Page 3/4  
http://www.m-system.co.jp/  
MODEL: WJPA  
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM  
Input Connection Examples  
■Open Collector or Relay Contact  
Z
Z
S
Isolation  
Waveform  
Shaper  
Digital  
Computation  
Output  
Driver  
+
–
5
6
4
3
9
1
2
+
–
+
–
–
+
5
6
4
INPUT  
OUTPUT 1  
SENSOR EXCITATION  
+
S
+12V  
12V  
Supply  
PWR  
Output  
Driver  
10 +  
11 –  
4kΩ  
OUTPUT 2  
POWER  
■Voltage Pulse  
7
8
U(+)  
V(–)  
MODULAR JACK  
PU-2x  
+
–
5
SERIAL TRANSMISSION LINE  
Base Socket  
6
4
–
PWR  
+
+12V  
Specifications are subject to change without notice.  
WJPA SPECIFICATIONS  
ES-2273 Rev.9 Page 4/4  
http://www.m-system.co.jp/  

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