概述
数据手册JPR2-7N1N-P 概述
Plug-in Signal Conditioners M-UNIT
JPR2-7N1N-P 数据手册
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PDF下载MODEL: JPR2
Plug-in Signal Conditioners M-UNIT
INPUT – Field-selectable
Open collector
Mechanical contact
Voltage pulse
PULSE SCALER
(field-programmable; built-in excitation)
Two-wire current pulse
RS-422 line driver pulse
Functions & Features
• Converts pulse rate into convenient engineering unit for
display on a totalizing counter or meter
• Various outputs
[1] EXCITATION
1: 5 V DC @ 120 mA
4: 12 V DC @ 60 mA
7: 24 V DC @ 25 mA
• Sensor excitation
• Scaling factor is user-programmable by simply setting
input and output frequencies via handheld programmer PU-
2x
• Isolation up to 2000 V AC
[2] OUTPUT
A: Open collector (max. 100 kHz)
M: 5 V pulse (max. 100 kHz)
N: 12 V pulse (max. 100 kHz)
P: 24 V pulse (max. 100 kHz)
J: RS-422 line driver pulse (max. 100 kHz)
R: Noncontact AC/DC switch (max. 20 Hz)
( ) = Max. frequency
Typical Applications
• Positive displacement flowmeters or turbine flowmeters
• Converts dry contact pulse signals from a rotating
machine into an engineering unit
50
(1.97)
[3] OUTPUT PULSE WIDTH
1: No conversion to one-shot
80
(3.15)
3: One-shot output (std. pulse width 50 msec.)
(Specify when optional pulse width is required.)
127
(5)
mm (inch)
[4] OUTPUT LOGIC
N: The same as the input
R: Inverted
MODEL: JPR2–[1][2][3][4]–[5][6]
[5] POWER INPUT
AC Power
ORDERING INFORMATION
• Code number: JPR2-[1][2][3][4]-[5][6]
Specify a code from below for each of [1] through [6].
(e.g. JPR2-4P1N-K/Q)
K: 85 – 132 V AC
DC Power
S: 12 V DC
• Use Ordering Information Sheet (No. ESU-1580). Default
setting (table below) will be used if not otherwise specified.
• Specify the specification for option code /Q
(e.g. /C01/S01)
R: 24 V DC
V: 48 V DC
P: 110 V DC
Factory default setting
PARAMETER
DEFAULT
Open collector
---
[6] OPTIONS
blank: none
Input
Input pulse amplitude
Noise filter
/Q: With options (specify the specification)
None
Detecting level *
1V (5V excitation)
2V (12V/24V excitation)
SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
Input pulse set count
Output pulse set count
Sampling time
1
1
0.1 second
/C02: Polyurethane coating
Max. output frequency
One shot output
10 Hz
50 milliseconds
/C03: Rubber coating
* Internal voltage
TERMINAL SCREW MATERIAL
JPR2 SPECIFICATIONS
ES-1580 Rev.10 Page 1/7
http://www.m-system.co.jp/
MODEL: JPR2
/S01: Stainless steel
Minimum pulse width time requirement: 5 μsec.; 50 msec.
for mechanical contact (for both ON and OFF)
■ Open Collector & Mechanical Contact
Input requirements (Excitation: Sensing)
5 V: Approx. 4 V / 1.0 mA
CAUTION
1) The JPR2 is not designed to output uniform pulses even
when the input wave is uniform. It is not applicable to
certain types of application.
12 V: Approx. 9 V / 2.3 mA
24 V: Approx. 16 V / 4.7 mA
2) The JPR2 converts the pulse counts, not frequency. For
the frequency conversion purpose, model JFR2 is
recommended.
Resistance at ON : ≤ 200 Ω
Resistance at OFF : ≥ 200 kΩ
Detecting level: 1 V with 5 V excitation
2 V with 12 V/24 V excitation.
RELATED PRODUCTS
• Programming Unit (model: PU-2x)
(Detecting voltage in the internal circuit)
For open collector or mechanical contact input, be sure to re
-adjust the voltage back to 1 V (excitation 5 V) or 2 V
(excitation 12 V/24 V) if it has been changed for other input
types.
• 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.
Detecting pulse edge: OFF (input monitor LED ON) to ON
(input monitor LED OFF) or ON to OFF
■ Voltage Pulse
Waveform: Square or sine
Input impedance: ≥ 10 kΩ
GENERAL SPECIFICATIONS
Construction: Plug-in
Pulse amplitude: 0.1 – 100 Vp-p (square)
1 – 100 Vp-p (sine or similar)
Connection: M3.5 screw terminals
Screw terminal: Chromated steel (standard) or stainless
steel
Max. voltage between input terminals: 50 V
Detecting level: 0 – 5 V (Detecting voltage in the internal
circuit.)
Housing material: Flame-resistant resin (black)
Isolation: Input or sensor exc. to output to power
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)
Detecting pulse state: A pulse rise detected when the input
voltage goes above the detecting level (input monitor LED
ON); a pulse sink detected when it goes below the level
(input monitor LED OFF).
■ Two-wire Current Pulse
Input resistance: Receiving resistor 100 Ω
Input range: 0 – 25 mA
• Input and output pulse set count (frequency)
• Sampling time
Minimum pulse amplitude: 10 mA
Detecting level: 0 – 5 V
• Input pulse edge
(Detecting voltage in the internal circuit.)
Detecting pulse state: The input resistor (100 Ω) converts
the current signal (0 - 25 mA) into 0 – 2.5 V. A pulse rise
detected when the voltage goes above the detecting level
(input monitor LED ON); a pulse sink detected when it goes
below the level (input monitor LED OFF).
■ RS-422 Line Driver Pulse
• Max. frequency limit
• Others
Adjustments: With DIP and Rotary switches.
• Pulse amplitude
• Input type
• Noise filter
(Refer to the instruction manual for details)
Sampling time: 0.01 – 100 sec.
Buffer counter capacity: 4 294 967 295 counts
Input pulse sensing: DC coupled
Receiver: Conforms to RS-422
■ Voltage pulse waveform
Volts
50V max.
INPUT SPECIFICATIONS
Excitation: Shortcircuit protection; approx. 440 mA (max.) at
shortcircuit
Amplitude
Vinp-p
DC Offset
Max. frequency: 100 kHz
(10 Hz for mechanical contact input)
t
JPR2 SPECIFICATIONS
ES-1580 Rev.10 Page 2/7
http://www.m-system.co.jp/
MODEL: JPR2
OUTPUT SPECIFICATIONS
Output pulse: No. of input pulse × scaling factor (scaling
factor = output pulse set count / input pulse set count)
Scalable range: 1/1 000 000 to 1 000 000
■ Open Collector: 50 V DC @ 50 mA (resistive load)
Saturation voltage: 0.6 V DC
Maximum frequency: 100 kHz
■ Voltage Pulse
H level: Rating (5, 12 or 24 V) ±10 %
L level: ≤ 0.5 V
Load resistance: ≥ 1 kΩ (5 V), ≥ 2.4 kΩ (12 V),
≥ 4.8 kΩ (24 V)
Maximum frequency: 100 kHz
■ Noncontact AC/DC Switch: 120 V AC or 120 V DC @200
mA (resistive load)
ON resistance: 3 Ω
Maximum frequency: 20 Hz
Rise time: 5 msec.
Sink time: 3 msec.
■ RS-422 Line Driver Pulse
Transmitter: Conforms to RS-422
Maximum frequency: 100 kHz
OUTPUT PULSE WIDTH
• No conversion to one-shot: Duty ratio approx. 50 %;
Internal digital computation calculates the pulse width.
• One-shot Output: Preset pulse width ±20 %
Optional pulse width: 30 μsec. – 300 msec.
INSTALLATION
Power input
•AC: Operational voltage range 85 – 132 V,
47 – 66 Hz, approx. 6 VA
•DC: Operational voltage range: Rating ±10 %, or 85 – 150
V for 110 V rating; ripple 10 %p-p max.; Approx. 3.3 W (140
mA at 24 V)
Operating temperature: -5 to +60°C (23 to 140°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface or DIN rail
Weight: 400 g (0.88 lb)
PERFORMANCE
Response time: Sampling time + 50 msec.
The response time equals the interval between the first
input pulse and the first output pulse.
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @ 1 minute (input or sensor
excitation to output to power to ground)
JPR2 SPECIFICATIONS
ES-1580 Rev.10 Page 3/7
http://www.m-system.co.jp/
MODEL: JPR2
EXTERNAL VIEW
Modular Jack
Unused
Unused
Input Monitor LED
Detecting Level Adj.
SW3
Input Type Selectors
ON
1
2
3
4
5
6
7
8
Detecting Level Adj. Pin
Pulse Amplitude Selector
Sensor Excitation Adj.
SW1
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
SW2
Refer to the instruction manual for detailed procedures.
OUTPUT LOGIC
Voltage Pulse
2-wire Current Pulse
RS-422 Line Driver Pulse
Open Collector or
Mechanical Contact
INPUT WAVEFORM
H
OFF
OUTPUT WAVEFORM
L
ON
H
H
No conversion to one-shot
L
L
One-shot, detecting input pulse rise
H
H
Non
Inverted
L
L
One-shot, detecting input pulse drop
H
H
Voltage Pulse
or
RS-422
L
L
H
H
Line Driver Pulse
No conversion to one-shot
L
L
One-shot, detecting input pulse rise
H
H
Inverted
L
L
One-shot, detecting input pulse drop
H
H
L
L
OFF
OFF
No conversion to one-shot
ON
ON
One-shot, detecting input pulse rise
OFF
OFF
Non
Inverted
ON
ON
One-shot, detecting input pulse drop
OFF
OFF
Open collector
or
ON
ON
Noncontact
AC/DC Switch
OFF
OFF
No conversion to one-shot
ON
ON
One-shot, detecting input pulse rise
OFF
OFF
Inverted
ON
ON
One-shot, detecting input pulse drop
OFF
OFF
ON
ON
The pulse width in one-shot means the bold lined section of a pulse waveform.
JPR2 SPECIFICATIONS
ES-1580 Rev.10 Page 4/7
http://www.m-system.co.jp/
MODEL: JPR2
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)
CLAMP
(top & bottom)
7.8 (.31)
DIN RAIL
35mm wide
6
5
4
3
2–4.5 (.18) dia.
MTG HOLE
15 (.59) deep
7
8
1
2
8–M3.5
SCREW
50 (1.97)
107 (4.21)
127 (5)
40 (1.57)
50 (1.97)
[3.3 (.13)]
• When mounting, no extra space is needed between units.
JPR2 SPECIFICATIONS
ES-1580 Rev.10 Page 5/7
http://www.m-system.co.jp/
MODEL: JPR2
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
■ OPEN COLLECTOR, MECHANICAL SWITCH, VOLTAGE PULSE, 2-WIRE CURRENT PULSE INPUT
DETECT.
LEVEL
INPUT TYPE
INPUT
MON.
Isolation
*
Digital
Computation
Waveform
Shaper
Output
Driver
+
–
One-Shot
+
3
4
5
6
1
2
7
8
INPUT
OUTPUT
POWER
–
SENSOR EXCITATION
+
Excitation
Supply
U(+)
V(–)
VOLTAGE
ADJ.
PU-2x
MODULAR JACK
SERIAL TRANSMISSION LINE
Base Socket
*Deleted with no conversion to one-shot type.
Note: With 24V excitation and open collector/mechanical contact input, the voltage across the terminals 3 – 4,
divided in the waveform shaper, is of approx. 16V.
■ RS-422 LINE DRIVER PULSE INPUT
INPUT
MON.
INPUT TYPE
Isolation
*
+
–
3
6
RS-422
Receiver
Digital
Computation
Output
Driver
One-Shot
+
INPUT
1
2
7
8
OUTPUT
POWER
–
Excitation
Supply
+
5
4
VOLT.
ADJ.
U(+)
V(–)
SENSOR EXCITATION
–
PU-2x
MODULAR JACK
SERIAL TRANSMISSION LINE
Base Socket
*Deleted with no conversion to one-shot type.
Input Connection Examples
Output Connection Examples
■Open Collector or
Mechanical Contact
■2-Wire Current Pulse
• Built-in Excitation
■Open Collector
■Voltage Pulse
100Ω
+
–
–
+
–
+
–
+
–
+
–
+
–
3
4
5
3
4
5
1
2
1
2
2-WIRE
PICK-UP
Vsns
Vsns
PWR
+
5kΩ
■Noncontact AC/DC Switch
• AC Powered
Relay or
Counter Coil
■Voltage Pulse
• External DC Supply
100Ω
1
2
Varistor or Spark
Quenching Circuit
+
–
–
+
–
3
4
5
3
4
5
2-WIRE
PICK-UP
LOAD
+
DC SUPPLY
U
Vsns
Vsns
PWR
+
–
• DC Powered
Relay or
Counter Coil
1
■RS-422 Line Driver Pulse
Spark Quenching
Diode
LOAD
2
+
–
–
+
+
–
3
6
4
5
■RS-422 Line Driver Pulse
+
–
+
–
+
–
1
2
PWR
Vsns
JPR2 SPECIFICATIONS
ES-1580 Rev.10 Page 6/7
http://www.m-system.co.jp/
MODEL: JPR2
OPERATION
[Example]
Input frequency: 2 Hz
Sampling time: 0.5 sec.
Pulse rate: 3/2
Output pulse width: Duty ratio approx. 50 %
Max. output frequency: 1 kHz
1) The JPR2 counts the number of pulses during the sampling time (period). In the example, 1 count in 0.5 sec. time.
2) Converts the number in the preset rate. In the example, 1 pulse × 3/2 = 1.5 pulses
3) Outputs the converted pulses in the next sampling period.
If certain pulses are not output within the time frame due to a fraction or the max. output frequency limit, they are output in
the following sampling period. In the example, 1 pulse is output in the second period, two pulses are output in the third to
adjust the fraction.
Input
2 Hz
Output
Non-uniform
2 Hz
approx.
4 Hz
approx.
2 Hz
approx.
4 Hz
approx.
0.5 sec.
sampling time
50 msec.
Specifications are subject to change without notice.
JPR2 SPECIFICATIONS
ES-1580 Rev.10 Page 7/7
http://www.m-system.co.jp/
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