概述
数据手册WJPAD2-45WC-P 概述
Dual Output Plug-in Signal Conditioners W-UNIT
WJPAD2-45WC-P 数据手册
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PDF下载MODEL: WJPAD2
■FACTORY DEFAULT SETTING
Dual Output Plug-in Signal Conditioners W-UNIT
Input type
Open collector
DC coupled
----
Pulse sensing
Pulse amplitude
DC offset
FREQUENCY TRANSMITTER
(field-programmable; built-in excitation)
Functions & Features
----
Input zero frequency
Input span frequency
Low-end cutout
0 Hz
• Converts the output from a pulse-type transducer into a
standard process signal
1000 Hz
-15.00 %
• Built-in excitation
Non-uniform pulse compensation 1 (no compensation)
• Field-selectable input type and range: Open collector,
mechanical contact, voltage pulse or two-wire current pulse
• High-density mounting
Alarm mode
High alarm
100.00 %
1.00 %
Alarm setpoint
Alarm deadband
Alarm on delay time
Linearization
3.0 sec.
Without
Typical Applications
• Positive displacement flowmeters, turbine flowmeters and
vortex flowmeters
INPUT – Field-selectable
Open collector
• Measuring rotation speed of a machine generating dry
contact signals
Mechanical contact
50
(1.97)
Voltage pulse
Two-wire current pulse
80
(3.15)
[1] EXCITATION
1: 5 V DC @ 120 mA
4: 12 V DC @ 60 mA
7: 24 V DC @ 25 mA
136
(5.35)
mm (inch)
[2] OUTPUT 1
MODEL: WJPAD2-[1][2][3]-[4][5]
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
ORDERING INFORMATION
• Code number: WJPAD2-[1][2][3]-[4][5]
Specify a code from below for each of [1] through [5].
(e.g. WJPAD2-7A6-K/Q)
• Special output ranges (For codes Z & 0)
• Use Ordering Information Sheet (No. ESU-2275). Factory
setting (indicated below) will be used if not otherwise
specified.
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)*
• 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.
WJPAD2 SPECIFICATIONS
ES-2275 Rev.2 Page 1/5
http://www.m-system.co.jp/
MODEL: WJPAD2
Screw terminal: Chromated steel (standard) or stainless
steel
[3] OUTPUT 2
Current
Housing material: Flame-resistant resin (black)
Isolation: Input or alarm output to output 1 to output 2 to
power
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
Overrange output: Approx. -15 to +115 % 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.
Alarm mode: High or Low
Alarm setpoint: -15 – +115 %
Alarm deadband: 0 – 20 %
Same range availability as Output 1
Linearization: Max. 16 points
Input monitor LED: Red LED blinks according to the input.
Excitation adjustment: 5 – 24 V DC
Software programming: Programming Unit (model: PU-2x);
(Refer to the users manual of JXCON for the adjustments
configurable with JXCON)
* For specify voltage and current, specify same code and
output to output 1 and output 2. Consult M-System when
different output codes are combined and specified.
[4] POWER INPUT
AC Power
• Input frequency range
• Zero and span
K: 85 – 132 V AC
DC Power
• Low-end cutout
• Linearization
S: 12 V DC (under development)
R: 24 V DC
• Alarm setpoint
• Output fine adjustment
V: 48 V DC
• Averaging non-uniform pulses
• Others
P: 110 V DC
Adjustments: With DIP and Rotary switches.
• Input Type
[5] OPTIONS
blank: none
• Pulse Sensing
• Noise Filter
/Q: With options (specify the specification)
• Detecting level
(Refer to the instruction manual for details)
Modular jack: Connecting the PU-2x
Low-end cutout: -15 – +115 % adjustable
(% of the input range determined by the input zero and
span frequencies. This unit outputs 0 % for the input below
the setting. When the input zero frequency is set to 0 Hz,
the low-end cutout setting below 0 % is not valid.)
SPECIFICATIONS OF OPTION: Q
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating
TERMINAL SCREW MATERIAL
/S01: Stainless steel
INPUT SPECIFICATIONS
Excitation: Shortcircuit protection; approx. 300 mA at
RELATED PRODUCTS
• Programming Unit (model: PU-2x)
shortcircuit
• 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.
Frequency ranges: 0 – 0.01 Hz through 100 kHz (up to 10 Hz
for mechanical contact)
Minimum pulse width time requirement: 5 μsec.; 50 msec.
for mechanical contact (for both ON and OFF)
Minimum span: 10 % of the selected frequency range
■ Open Collector & Mechanical Contact
Input requirements
(Excitation: Sensing: OFF: ON)
GENERAL SPECIFICATIONS
Construction: Plug-in
5 V: Approx. 4 V / 1.0 mA: ≥ 200 kΩ: ≤ 200 Ω
12 V: Approx. 9 V / 2.3 mA: ≥ 200 kΩ: ≤ 200 Ω
Connection: M3.5 screw terminals
WJPAD2 SPECIFICATIONS
ES-2275 Rev.2 Page 2/5
http://www.m-system.co.jp/
MODEL: WJPAD2
24 V: Approx. 16 V / 4.7 mA: ≥ 200 kΩ: ≤ 200 Ω
Detecting level: 2 V (Detecting voltage in the internal
circuit.)
protection is recommended.
INSTALLATION
Power input
Detecting pulse edge: OFF (input monitor LED ON) to ON
(input monitor LED OFF)
•AC: Operational voltage range 85 – 132 V,
47 – 66 Hz, approx. 6.6 VA
■ Voltage Pulse
Waveform: Square or sine
•DC: Operational voltage range: Rating ±10 %, or 85 – 150
V for 110 V rating; ripple 10 %p-p max.; Approx. 3.9 W (145
mA at 24 V)
Input impedance: 10 kΩ min.
Pulse amplitude: 0.1 – 100 Vp-p
Max. voltage between input terminals: 50 V
Detecting level: 0 – 5 V
Operating temperature: -5 to +60°C (23 to 140°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface or DIN rail
(Detecting voltage in the internal circuit.)
Detecting pulse state: A pulse rise detected when the input
voltage goes above the detecting level; a pulse sink
detected when it goes below the level.
■ Two-wire Current Pulse
Weight: 300 g (0.66 lb)
PERFORMANCE in percentage of span
Accuracy: Input accuracy + output accuracy
Input accuracy: ±0.05% of the selected freq. range
Inversely proportional to the input span.
Input resistance: Receiving resistor 100 Ω
Input range: 0 – 25 mA
Minimum pulse amplitude: 10 mA
[Example] Open collector input, 0 – 50 kHz
Selected Freq. Range 100 kHz ÷ Input Span 50 kHz ×
Accuracy 0.05 % + Output Accuracy 0.05 % = ±0.15 %
Output accuracy: ±0.05 % of the output range
Alarm setpoint accuracy: ±0.1 % (or ±0.2 % at ≥ 10 kHz)
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
Detecting level: 0 – 5 V
(Detecting voltage in the internal circuit.)
Detecting pulse state: The input resistor (100 Ω) converts
the current signal into 0 – 2.5 V. A pulse rise detected when
the voltage goes above the detecting level; a pulse sink
detected when it goes below the level.
■ Voltage pulse waveform
Volts
50V max.
(input or alarm output to output 1 or output 2 to power to
ground)
Amplitude
Vinp-p
DC Offset
1000 V AC @ 1 minute (output 1 to output 2)
t
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 – +10 V DC
Minimum span: 10 mV
Offset: Max. 1.5 times span
Load resistance: Output drive 1 mA max.; at ≥ 0.5 V
■ Alarm Output: Relay contact
Rated load: 30V DC @ 1 A (resistive load)
Maximum switching voltage: 110 V DC
Maximum switching power:30 W
Minimum load: 10 mV DC @ 0.1 mA
Mechanical life: 5 × 10 cycles (180 cycles/minute)
7
For maximum relay life with inductive loads, external
WJPAD2 SPECIFICATIONS
ES-2275 Rev.2 Page 3/5
http://www.m-system.co.jp/
MODEL: WJPAD2
EXTERNAL VIEW
This unit is factory calibrated according to the Ordering Information. If you need to change hardware & software setting, refer
to the instruction manuals of the transmitter and Programming Unit.
Modular Jack
Input Monitor LED PL1
Detecting Level Adj.
Zero Adj.
ON
Detecting Level Adj. Pin
1
2
3
4
5
6
OUTPUT 1
Span Adj.
Pulse Amplitude Selector
Zero Adj.
OUTPUT 2
Span Adj.
Input Type Selector
Sensor Excitation Adj.
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.
WJPAD2 SPECIFICATIONS
ES-2275 Rev.2 Page 4/5
http://www.m-system.co.jp/
MODEL: WJPAD2
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
+
6
Ry
INPUT INPUT
RANGE MON.
DETECT.
LEVEL
ALARM OUTPUT
INPUT
Z
Z
S
Isolation
Waveform
Shaper
Digital
Computation
Output
Driver
+
–
3
4
5
9
1
+
–
OUTPUT 1
2
SENSOR EXCITATION
+
S
Excitation
Supply
Output
Driver
10
11
7
+
VS
OUTPUT 2
POWER
–
MODULAR JACK
PU-2x
SERIAL TRANSMISSION LINE
U(+)
V(–)
8
Base Socket
Input Connection Examples
■ Open Collector
or Mechanical Contact
■ 2-Wire Current Pulse
•Built-in Excitation
100Ω
+
–
–
+
3
4
5
–
+
3
4
5
2-WIRE
PICK-UP
Vsns
Vsns
PWR
5kΩ
■ Voltage Pulse
•External DC Supply
100Ω
+
–
3
4
5
–
+
3
4
5
2-WIRE
PICK-UP
DC SUPPLY
–
PWR
+
Vsns
Vsns
+
–
Specifications are subject to change without notice.
WJPAD2 SPECIFICATIONS
ES-2275 Rev.2 Page 5/5
http://www.m-system.co.jp/
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