MURATA FR05CM21AR

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Rotary Sensors
1
Single Phase Output Type
ø10±0.3
1. Sensing over wide range of rotation speed including
a complete halt.
2. Compact package and light weight.
3. Simple installation by easy adjusting of a signal
output and gap distance.
4. Best suited for harsh environments.
10±5
0
ø12.7–0.2
1.0 +0.15
0.2
■ Features
180±10
20±0.3
0.5±0.2
UL1007 AWG24
Sensing direction
Red
Vin
MR1
Black
MR1
MR2
Vout
MR2
■ Applications
White
2
GND
Element pitch
1. Rotation speed detection of Factory Automation
equipment.
2. Rotation position detection.
3. Proximity Switch.
(in mm)
Part Number
Supply
Voltage
(V)
Output Voltage
(Vp-p)
Total
Response Operating
Resistance Frequency Temperature
(k ohm)
(kHz)
(°C)
FR05CM21AR
5
0.5 min.(at 25°C,Gap=0.2mm)
0.7 to 1.5
0 to 100
-10 to 70
Target Gear
Module
Phase Difference
0.3 to 1.0
Single
Output Voltage(Vout)
■ Output Wave Form
. 1 Vin
=
.2
0
π
2π
t
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Rotary Sensors
Dual Phase Output Type
■ Features
A
1. By monitoring the phase shift direction the gear
rotation direction can be detected.
2. Wide sensing range from high speed to a complete
halt.
3. Good Signal-to-Noise ratio ; high resolution ;
high sensitivity.
a aa
18±0.3 10±0.3
MR3
MR4
4 2
5±0.3
MR2
MR1
ø17.0±0.1
a=0.314
ø0.7±0.1
Sensing direction
C1
Numbering
Sensing direction mark
3 1
7.5±0.3
1Vin
MR1
MR2
2Va
3Vb
MR3
MR4
4GND
■ Applications
1. Detection of gear rotation speed and direction in
Factory Automation equipment.
2. Detection of the direction of Linear motion servo.
3. Motor controller for vehicles.
4. Measuring the needle position in industrial
knitting machine.
(in mm)
Part Number
Supply
Voltage
(V)
Output Voltage
(Vp-p)
Total
Response Operating
Resistance Frequency Temperature
(k ohm)
(kHz)
(°C)
FR05CM12AL
5
0.45 min.(at 25°C,Gap=0.15mm)
■ Output Wave Form
Va
Vb
Gear : rotating in "A" direction
Output Voltage(Vout)
2
. 1 Vin
=
.2
2
0
π
2
π
3π
2
2π
t
0.2 to 1.0
0 to 100
-10 to 80
Target Gear
Module
Phase Difference
0.4
90deg.+/-5deg.
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Rotary Sensors
Dual Phase, Digital Output Type
MR elements(Inside)
■ Features
Sensing surface
M16×1
C
ø21±1
1. Dual digital output.
2. LED indicators, for quick status check.
3. Easy mounting and connection.
Name plate-two places
21max.
LED Connector A
B
A
Sensing direction
3±1.5
35±0.05
14±1.5
18±1
MR3
MR4
1. Servo controller for linear motion of NC machine.
2. Controller for robot arm.
3. Controller for injection speed of moulding machine.
MR2
MR1
3–0.5
MR
elements pitch
Sensing direction
A
65±1
74±2
■ Applications
D
E
F
3
(in mm)
Part Number
Supply
Voltage
(V)
Output Voltage
(V)
Total
Response Operating
Resistance Frequency Temperature
(k ohm)
(kHz)
(°C)
FR12AM32AC
12
+/-2V
Low Level=0.5 max.(at 25°C,Gap=max.0.3mm)
High Level=4.5 min.(at 25°C,Gap=max.0.3mm)
297 to 363
0 to 20
-10 to 70
Target Gear
Module
Phase Difference
0.635
90deg.+/-40deg.
Supply Current:100mA max.
■ Output Wave Form
■ Block Diagram
Gear : rotating in "A" direction
T
T/2±2T/9
+5
Vout
T/2±2T/9
Regulator
Va
T/4±T/9
T/2±2T/9
GND
T/2±2T/9
C
Vcc (+12V)
A
Va
B
Vb
E
GND
F
GND
Vb
■ LED Indicator
Output
LED Color
Va
High
Low
Low
Vb
High
High
Low
Low
Off
Red
Orange
Green
High
3
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Rotary Sensors
Quad with Index Phase Type
Sensing direction
4.5
1. Higher signal level and higher common-mode noise
rejection with a differential amplifier.
2. Index phase Z to locate the home position of the
gear.
3. Compact package for easy mounting.
4. Anticorrosive stainless steel case.
Numbering
C0.3
12345678 MR for
INDEX Phase
25±1
3.5
MR for Quad Phase
0
ø22.5 –0.1
A
■ Features
0.5
2
0
20 –0.3
P
0.8
P=2.54
(in mm)
1 Vin
2 VA
3 VA
4 VB
5 VB
6 VZ
8 RZ
■ Applications
AC servo motor controller for NC machine.
7 GND
4
Part Number
Supply
Voltage
(V)
Output Voltage
(Vp-p)
Total
Response Operating
Resistance Frequency Temperature
(k ohm)
(kHz)
(°C)
FR05CM65AF
5
0.3 min.(Phase:A-B,at 25°C,Gap=max.0.3mm)
0.6 min.(Phase:Z,at 25°C,Gap=max.0.3mm)
■ Output Wave Form
0 to 100
-10 to 80
Phase Difference
0.4
(Phase:A-B)
90deg.+/-5deg.
(Phase:A-B)
■ Phase Difference
Gear : rotating in "A" direction
Output Voltage
(Vout)
. 1 Vin
=
.2
t
VA VB VA VB
MR for Quad Phase
MR for INDEX Phase
Output Voltage
(Vout)
. 1 Vin
=
.2
t
Rz(Neutral
Voltage)
Vz
4
0.1 to 1.0
Target Gear
Module
Phase
Phase Difference (deg.)
AYB
90±5
AYA
180±10
BYB
180±10
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Reference
Reference Data
Data
■ Features
1. FR sensor consists of semiconductive magnetoresistors
and a permanent magnet.
2. FR sensor detects the position and the speed of a gear
over a wide range of frequency including a complete halt.
3. Non-contact sensing mechanism guarantees a long life.
4. Rugged and reliable, suitable for motor control for Factory
Automation.
5. A variety of applications is possible with multiphase type.
Target Gear
Rotary Sensor
■ Magnetoresistive Effect
4
A change in the resistance of a ferromagnetic or
semiconductive material when it is subjected to magnetic
flux. Used in Murata's sensor is InSb which exhibits very
high magnetoresitive effect in Fig. 1.
R(ohm)
1,000
500
0.3
0.2
0.1
0.1
0
0.2
S
0.3
N
B(T)
Fig. 1
Vcc
3
2
.
=
.1/2 Vin
1
Magnetic material
MR element
MR1
Vout
MR2
GND
MR1
N
S
MR2 MR1
1
Magnet
N
S
MR2 MR1
2
N
S
MR2
3
Fig. 2
Sensor
Vcc
Vout
Gear
GND
Output Voltage
As a magnetic material moves over the sensing surface, the
magnetic flux distribution across the magnetoresistors
varies.
This causes MR element resistance change and produces
output signal as indicated in Fig. 2.
Therefore, when it is placed close to the magnetic gear as
shown in Fig. 3, the sensor output a signal synchronized to
gear rotation.
The count of signal's peaks is equal to the number of gear
teeth passing over the sensor.
Output Voltage(Vout)
■ Principle of Operation
Output Voltage (FR05CM21AR)
Fig. 3
5
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Reference Data
■ Temperature Characteristics
Output signal, Vp-p is dependant on the ambient
temperature.
Output voltage decreases as the temperature increases.
Gap = 0.15mm, Gear module = 0.4
Gear rotation speed = 7200r.p.m
120
Typical
100
Vp-p (%)
80
60
40
20
0
-20
0
20 25
40
60
80
Temperature (°C)
4
Fig. 4
■ Gap Characteristics
Larger signal are obtained when FR sensor is installed
closer to the target gear.
180
160
140
Vp-p (%)
120
Typical
100
80
60
40
20
0
0.1
0.2
0.3
0.4
0.5
Gap (mm)
Fig. 5
■ Typical Application
Red
+5±0.25V
1.5kΩ
MR
Black
2.2kΩ
MR
+
2kΩ
2.2kΩ
2 - 8
1
(6)
(1/2)
3 +
(7)
4
(5)
2SA633
2.2kΩ
OUT
1kΩ
- 1µF
470kΩ
1000pF
LED
White
GND
FR05CM21AR
Fig. 6
■ Application Table
Part Number
Output Type
FR05CM21AR
Linear
Gear Module
Gear Pitch (mm)
M=0.3 to 1.0
P=0.9 to 4.0
FR05CM12AL
Dual
M=0.4
P=1.3
FR12AM32AC
Dual, Digital
M=0.635
P=2.0
FR05CM65AF
Quad with index
M=0.4
P=1.3
•
6
Single
Motion
Rotational
: Best suited,
: Suitable
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S35E2.pdf 02.5.21
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!Caution/Notice
■ !Caution (Handling)
1. This sensor generates very strong suction because
the sensor contains a permanent magnet. Be careful
of handling the sensor not to apply mechanical
shock.
2. Because this sensor contains a permanent magnet, it
could damage magnetic signal in the writable
magnetic card such as train ticket and pre-paid
card. Please consult with us before applying it in
such circumstances.
3. Do not approach the sensor to the person who is
with an electronic medical device. It is very
dengerous by miss operation of an electronic
medical device.
■ Notice (Storage and Operating Condition)
1. Please do not apply mechanical shock or pressure on
the sensing surface because it leads to change in
the output level or destruction of magnetoresistive
element.
2. Please do not use or keep the sensor in the
corrosive gas (Chlorine gas, Nitric oxie gas,
Sulfuric acid gas, and so on). Metal case might be
corroded due to it. Some of our sensor is made with
stainless steal case for better resistance to
corrosion. If the sensor should be used in such an
4
environment, please consult with us.
3. Please do not apply excessive force to the terminal,
not to rotate nor to bend.
4. Please do not pull the lead by excessive force, not
to rotate, not to bend.
5. Please avoid the airborne particles.
6. Please avoid the strong vibraion and shock.
7. Ambient temperature change should be within
1 degrees C/min.
■ Notice (Soldering and Mounting)
1. Wiring should be avoided while supply voltage is
applied.
2. Do not place the sensor near high voltage lines or
high current lines.
3. Please avoid placing magnetic material or magnetic
field generator other than the detected object
near to the sensor. It could cause change in the
output level, resulting in malfunction of the
finished goods.
4. Hand soldering should be applied. Soldering should
o Part Numbering
be done in following condition;
Soldering temperature:
350+/-10 degrees C less than 3 seconds or
260+/-5 degrees C less than 10 seconds.
5. Flux should be rosin flux and its chlorine content
should be no more than 0.2wt%.
6. Flux cleaning should be done by hand brushing.
7. Prevent the flux cleaning solvent from splashing on
the sensor.
of the "Global Part Numbers" that have been adopted since June 2001 and the meaning of each code are described herein.
( IfTheyoustructure
)
have any questions about details, inquire at your usual Murata sales office or distributor.
Rotary Sensors
(Global Part Number)
FR
05CM
q
w
12AL
e
r
qProduct ID
wType
eCharacteristics
rIndividual Specification Code
* Global Part Number shows only an example which might be different
from actual part number.
* Any other definitions than "qProduct ID" might have different digit
number from actual Global Part Number.
7
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This catalog has only typical specifications. Therefore, you are requested to approve our product specifications or to transact the approval sheet for product specificaions before ordering.
S35E2.pdf 02.5.21
Note:
1. Export Control
For customers outside Japan
No muRata products should be used or sold, through any channels, for use in the design, development, production, utilization, maintenance or operation of, or
otherwise contribution to (1) any weapons (Weapons of Mass Destruction (nuclear, chemical or biological weapons or missiles) or conventional weapons) or (2)
goods or systems specially designed or intended for military end-use or utilization by military end-users.
For customers in Japan
For products which are controlled items subject to the “Foreign Exchange and Foreign Trade Law” of Japan, the export license specified by the law is required
for export.
<
<
>
>
2. Please contact our sales representatives or product engineers before using the products in this catalog for the applications listed below, which require especially
high reliability for the prevention of defects which might directly damage a third party's life, body or property, or when one of our products is intended for use in
applications other than those specified in this catalog.
q Aircraft equipment
w Aerospace equipment
e Undersea equipment
r Power plant equipment
t Medical equipment
y Transportation equipment (vehicles, trains, ships, etc.)
u Traffic signal equipment
i Disaster prevention / crime prevention equipment
o Data-processing equipment
!0 Application of similar complexity and/or reliability requirements to the applications listed above
3. Product specifications in this catalog are as of January 2002. They are subject to change or our products in it may be discontinued without advance notice.
Please check with our sales representatives or product engineers before ordering. If there are any questions, please contact our sales representatives or
product engineers.
4. Please read rating and
CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc.
5. This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or
transact the approval sheet for product specifications before ordering.
6. Please note that unless otherwise specified, we shall assume no responsibility whatsoever for any conflict or dispute that may occur in connection with the effect
of our and/or a third party's intellectual property rights and other related rights in consideration of your use of our products and/or information described or
contained in our catalogs. In this connection, no representation shall be made to the effect that any third parties are authorized to use the rights mentioned
above under licenses without our consent.
7. No ozone depleting substances (ODS) under the Montreal Protocol are used in our manufacturing process.
http://www.murata.com/
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