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WJFT3-H21-R

更新时间：2024-10-29 22:58:44
品牌：MSYSTEM
描述：Dual Output Plug-in Signal Conditioners W-UNIT

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WJFT3-H21-R 概述

Dual Output Plug-in Signal Conditioners W-UNIT

WJFT3-H21-R 数据手册

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MODEL: WJFT  
Dual Output Plug-in Signal Conditioners W-UNIT  
ITEM  
DEFAULT  
0.1  
Sampling cycle: H  
1 (2 for mean aver-  
age output filter)  
No. of samples to be calculated: N  
FILTER/LAG TRANSMITTER  
(field-programmable)  
Time constant: T  
0.0  
200.00  
200.00  
0
Functions & Features  
Max. rate of positive output change (CP)  
Max. rate of negative output change (CN)  
No. of smallest samples to be cut off (L)  
No. of largest samples to be cut off (U)  
• Providing various filter functions which eliminate  
unnecessary elements in the input signals  
• Microprocessor based  
0
• On-site calibration via hand-held programmer PU-2x  
• Field-programmable input range  
• Isolation up to 2000 V AC  
[1] FUNCTION  
1: Moving average output  
2: Dead-time computing  
3: Delay buffer  
• High-density mounting  
Typical Applications  
4: Lead-time computing  
5: Ramp buffer  
• Level control; eliminating drifts in the input signal caused  
by pumps  
6: Mean average output  
50  
(1.97)  
[2] INPUT  
Current  
80  
(3.15)  
A: 4 – 20 mA DC (Input resistance 250 Ω)  
H: 10 – 50 mA DC (Input resistance 100 Ω)  
Voltage  
6: 1 – 5 V DC (Input resistance 1 MΩ min.)  
U1: Range ±100 mV;  
136  
(5.35)  
mm (inch)  
(Minimum span 3 mV, Input resistance 20 kΩ min.)  
U2: Range ±1000 mV;  
(Minimum span 30 mV, Input resistance 20 kΩ min.)  
U3: Range ±10 V;  
MODEL: WJFT[1]–[2][3][4]–[5][6]  
(Minimum span 0.3 V,Input resistance 1 MΩ min.)  
ORDERING INFORMATION  
• Code number: WJFT[1]-[2][3][4]-[5][6]  
Specify a code from below for each of [1] through [6].  
(e.g. WJFT1-6A6-B/Q)  
[3] OUTPUT 1  
Current  
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  
• Special input and output ranges (For codes U1, U2, U3, Z  
& 0)  
• Parameters (See "Functions" section)  
Default setting will be used if not otherwise specified.  
Use Ordering Information Sheet (No. ESU-1679) to specify  
parameters.  
• Specify the specification for option code /Q  
(e.g. /C01/S01)  
Note: When the user requires a current and a voltage  
output, specify the current to be the Output 1 which allows  
a greater load.  
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)  
WJFT SPECIFICATIONS  
ES-2279 Rev.8 Page 1/6  
http://www.m-system.co.jp/  
MODEL: WJFT  
[4] OUTPUT 2  
GENERAL SPECIFICATIONS  
Current  
Construction: Plug-in  
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  
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.  
Adjustments: Programming Unit (model: PU-2x); function  
and parameters, input range, zero and span, etc.  
(Input range can be changed with Codes U1, U2 or U3 and  
limited within ranges of each code type.)  
(Refer to the users manual of JXCON for the adjustments  
configurable with JXCON.)  
Same range availability as Output 1  
[5] 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  
INPUT SPECIFICATIONS  
■ DC Current:  
Shunt resistor attached to the input terminals (0.5 W)  
■ DC Voltage: -10 – +10 V DC  
Minimum span: 3 mV  
DC Power  
S: 12 V DC  
Offset: Max. 3 times span  
R: 24 V DC  
Default setting will be used if not otherwise specified.  
U1: 0 – 100 mV DC  
V: 48 V DC  
U2: 0 – 1 V DC  
U3: 0 – 10 V DC  
[6] OPTIONS  
blank: none  
/Q: With options (specify the specification)  
OUTPUT SPECIFICATIONS  
■ DC Current: 0 – 20 mA DC  
Minimum span: 1 mA  
SPECIFICATIONS OF OPTION: Q (multiple selections)  
COATING (For the detail, refer to M-System's web site.)  
/C01: Silicone coating  
Offset: Max. 1.5 times span  
Load resistance: Output drive 12 V max. for Output 1;  
7 V max. for Output 2  
/C02: Polyurethane coating  
■ DC Voltage: -10 – +10 V DC  
Minimum span: 5 mV  
/C03: Rubber coating  
TERMINAL SCREW MATERIAL  
/S01: Stainless steel  
Offset: Max. 1.5 times span  
Load resistance: Output drive 1 mA max.; at ≥ 0.5 V  
RELATED PRODUCTS  
• Programming Unit (model: PU-2x)  
INSTALLATION  
Power input  
• 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.  
•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)  
WJFT SPECIFICATIONS  
ES-2279 Rev.8 Page 2/6  
http://www.m-system.co.jp/  
MODEL: WJFT  
PERFORMANCE in percentage of span  
Accuracy: ±0.1 %  
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)  
Response time: ≤ 0.5 sec. (0 – 90 %) without any function  
setting  
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 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.  
TERMINAL ASSIGNMENTS unit: mm (inch)  
INPUT RESISTOR  
(model: REM)  
8
7
6
5
4
9
3
2
10 11  
1
Input shunt resistor attached  
for current input.  
WJFT SPECIFICATIONS  
ES-2279 Rev.8 Page 3/6  
http://www.m-system.co.jp/  
MODEL: WJFT  
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM  
Z
S
Isolation  
Low Drift  
Amplifier  
Digital  
Computation  
Output  
Driver  
+
–
5
6
4
3
9
1
2
+
–
*
INPUT  
R
OUTPUT 1  
Z
S
Output  
Driver  
10 +  
11 –  
OUTPUT 2  
POWER  
7
8
U(+)  
V(–)  
MODULAR JACK  
PU-2x  
SERIAL TRANSMISSION LINE  
Base Socket  
*Input shunt resistor attached for current input.  
FUNCTIONS  
■ MOVING AVERAGE OUTPUT  
This unit samples input signals every H seconds and  
outputs proportionally to an average of N numbers of  
sampled data. When a new input is sampled after  
another H seconds, it gives up the oldest sample and  
calculates a new average including the latest sample  
and outputs proportionally.  
INPUT  
t
H
H
N numbers  
N numbers  
average  
H : sampling cycle  
OUTPUT  
(0.1 to 100.0 seconds adjustable)  
N : number of samples to be calculated  
(1 to 8 adjustable)  
t
•Step Input with Dead-Time  
■ DEAD-TIME COMPUTING  
This unit does not respond to an input signal for a  
presetdead-timeduration. Inaddition, withadjusting  
a time constant T, it generates a first order lag output  
after the dead-time.  
INPUT  
0
t
e–Ls  
X0  
(s) =  
X1  
(s) + H  
X
N (s)  
OUTPUT  
1 + T s  
X
0
1
: output  
: input  
X
0
t
H x N  
X
Dead Time = H N (s) (H ≤ T)  
H : sampling cycle  
(0.1 to 100.0 seconds adjustable)  
N : numbers of samples to be calculated  
(1 to 8 adjustable)  
•
Step Input with Dead-Time Plus Time Constant  
INPUT  
T
: time constant  
(0.0 to 100.0 seconds adjustable)  
0
OUTPUT  
t
0
t
H x N  
T
WJFT SPECIFICATIONS  
ES-2279 Rev.8 Page 4/6  
http://www.m-system.co.jp/  
MODEL: WJFT  
■DELAY BUFFER  
•Step Input with Time Constant  
This unit generates a first order lag output.  
INPUT  
1
X0  
(s) =  
X1 (s)  
1 + T s  
0
X
0
1
: output  
: input  
t
X
OUTPUT  
T : time constant  
(0.0 to 100.0 second adjustable)  
0
t
T
■ LEAD-TIME COMPUTING  
This unit operates a lead-time equation.  
•Step Input with Time Constant (Lead)  
INPUT  
X
0
(s) = (1 + T s) X1 (s)  
0
X
X
0
1
: output  
: input  
t
OUTPUT  
T : lead-time constant  
(0.0 to 100.0 seconds adjustable)  
0
t
T
•Step Input with Rate-of-Change Limit  
■ RAMP BUFFER  
This unit output does not change faster than a preset  
maximum rate, positive CP and negative CN, no mat-  
ter how fast its input changes.  
INPUT  
0
OUTPUT  
CP: maximum rate of positive output change  
(0.00 to 200.00%/second adjustable)  
t
CN: maximum rate of negative output change  
(0.00 to 200.00%/second adjustable)  
0
t
CP  
CN  
•Example (N=5, U=1, L=1)  
■ MEAN AVERAGE OUTPUT  
This unit samples input signals every H seconds and,  
excluding U numbers of largest samples and L num-  
bers of smallest samples, outputs proportionally to an  
average of the rest [N – (U + L)] of sampled data. When  
the numberofsamplestobecalculatedequals0orless,  
it outputs an error.  
INPUT  
t
IN 1  
IN 2  
OUTPUT  
H : sampling cycle  
(0.1 to 100.0 seconds adjustable)  
N : number of samples to be calculated  
(2 to 8 adjustable)  
t
OUT 1  
OUT 2  
U : number of largest samples to be cut off  
(0 to 7 adjustable)  
L
: number of smallest samples to be cut off  
(0 to 7 adjustable)  
WJFT SPECIFICATIONS  
ES-2279 Rev.8 Page 5/6  
http://www.m-system.co.jp/  
MODEL: WJFT  
Specifications are subject to change without notice.  
WJFT SPECIFICATIONS  
ES-2279 Rev.8 Page 6/6  
http://www.m-system.co.jp/  

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