Festo SMAT-8M-U-E-0,3-M8D Bruksanvisning

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SMAT-8M
Position transmitter
Festo SE & Co. KG
Ruiter Straße 82
73734 Esslingen
Germany
+49 711 347-0
www.festo.com
Operating instruction
8203946
2023-12h
[8203948]
8203946
Translation of the original instructions
© 2024 all rights reserved to Festo SE & Co. KG
1 Applicable documents
All available documents for the product
èwww.festo.com/sp.
2 Safety
2.1 General safety instructions
–Only use the product if it is in perfect technical condition.
2.2 Intended use
This product is intended for proximity sensing of the piston position of Festo
drives that can be detected magnetically. The device is intended for use in an
industrial environment.
It is suitable for use with Festo Festo drives with T-slot (profile slot8) and round
cylinders and tie-rod cylinders with mounting kitsèwww.festo.com/catalogue.
2.3 Training of qualified personnel
Work on the product may only be carried out by qualified personnel who can
evaluate the work and detect dangers. The qualified personnel have skills and
experience in dealing with electrical (open-loop) control technology.
2.4 UL/CSA Certification
In combination with the UL inspection mark on the product, the information in this
section must also be observed in order to comply with the certification conditions
of Underwriters Laboratories Inc. (UL) for USA and Canada.
UL/CSA certification information
Product category code NRKH, NRKH7
File number E232949
Considered standards UL 60947-1
UL 60947-5-2
CAN/CSA C22.2 No. 60947-1
CAN/CSA C22.2 No. 60947-5-2
UL mark
UL control number Industrial Control Equipment 2MD1
Tab. 1: UL/CSA certification information
Only for connection to a NEC/CEC Class 2 supply.
Locally installed conductors for the position transmitter must be separated from
the on-site and factory-installed conductors and uninsulated live parts of other
circuits that operate with more than 150V to earth. A permanent minimum
distance of 50.8mm (2inches) must be observed. If the locally installed conduc-
tors have been provided with approved insulating material that has an identical
or higher rated operating voltage than the other circuit involved, the minimum
distance need not be observed.
3 Additional information
–Contact the regional Festo contact if you have technical problems
èwww.festo.com.
–Accessories and spare parts èwww.festo.com/catalogue.
4 Product overview
4.1 Configuration
1
2
3
4
Fig. 1: Design of SMAT-8M
1
Retaining screw
2
Connecting cable, depending on
the version with a rotatable M8
plug or cable with open end
3
Red LED: piston not in sensing
range
4
Green LED: piston in sensing
range
4.2 Function
The position transmitter SMAT-8M is an electronic position transmitter with a 3D
Hall sensor arrangement, integrated signal processing, analogue voltage output
and optical operating status display.
The magnetic field of the piston magnet is detected, the magnetic field compo-
nents are evaluated internally and output within the sensing range as an ana-
logue displacement-proportional signal at the output. The sensing range varies
depending on the cylinder.
5 Assembly
Any mounting position can be used.
1
2
Fig. 2: Mounting
1
Internal hex key, spanner size
1.5mm
2
T-slot
1. Place the position transmitter in the T-slot of the drive.
2. Tighten the retaining screw.
–Maximum tightening torque: 0.3Nm
6 Installation, electrical
WARNING
Risk of injury due to electric shock.
• Use exclusively PELV circuits in accordance with IEC60204-1/EN60204-1 for
the electrical power supply (Protective Extra-Low Voltage, PELV).
• Observe the general requirements of IEC60204-1/EN60204-1 for PELV cir-
cuits.
• Use exclusively voltage sources that guarantee reliable electrical isolation from
mains power in accordance with IEC60204-1/EN60204-1.
1. Switch off the operating voltage.
2. Connect the connecting cable to the higher-level controller.
SMAT-8M-UE-0.3-M8D SMAT-8M-UE-2.5-OE
BN
BK
BU
RL
1
4
3
WH2
+24 V
0 V
G
U
M8x1, 4-pin, max. tightening torque: 0.3Nm
Tab. 2: Circuit diagram and pin allocation
7 Commissioning
The position transmitter SMAT-8M can be commissioned immediately without
additional initialisation.
NOTICE
Influence of the measured values by external magnetic fields.
External magnetic fields influence the measured values of the position trans-
mitter.
• Keep magnetic fields and magnetic materials away from the immediate vicinity
of the position transmitter.
• Move the position transmitter when determining the sensing range without a
tool or with a non-magnetic tool.
• Commission the position transmitter in the final application environment.
• Switch on operating voltage.
ÄLED on (depending on piston position èTab. 3 LED display in opera-
tion). Device is ready for operation.
The repetition accuracy is better at the centre of the sensing range than at the
edge.
• Position the position transmitter for critical applications in such a way that the
relevant measuring points are close to 5.5V.
8 Operating status and signal behaviour
Fig. 3: Signal characteristics SMAT-8M
LED
Green
LED
Red
Meaning Description
LED Green on, LED
Red off.
Analogue signal >1V…<10V:
The piston is located within the sensing range (range B
èFig. 3).
LED Green off, LED
Red on.
Analogue signal 0.5V:
The piston is outside the sensing range after switching on
the operating voltage (range A or C èFig. 3). The piston
position is unknown.
Analogue signal 1V: the piston has left the sensing range
in the direction of the connecting cable (range A èFig. 3).
Analogue signal 10V:
The piston has left the sensing range in the direction of
the LEDs (range C èFig. 3).
Tab. 3: LED display in operation
9 Fault clearance
9.1 Diagnostics via LED
LED
Green
LED
Red
Meaning Possible cause Remedy
Both LEDs off. Fault in power supply. Connect power supply.
Fault in connecting cable. Replace connecting cable.
Fault in sensor. Replace device.
LEDs flashing alter-
nately.
Internal error. Contact Festo regional
service.
Tab. 4: Diagnostics via LED
9.2 General malfunctions
Fault description Cause Remedy
Incorrect or unexpected
signals at the analogue
output
Unsuitable drive Use only suitable drives.
SMAT-8M defective Replace device.
Fault description Cause Remedy
Incorrect or unexpected
signals at the analogue
output
No operating voltage or unreliable oper-
ating voltage
Switch on operating
voltage. Maintain oper-
ating voltage range.
Short circuit or overload at output Correct short circuit or
overload.
Fault in connecting cable Replace connecting
cable.
Magnetic object close to the position trans-
mitter
Keep magnetic objects
away from the near
vicinity.
Tab. 5
10 Disassembly
1. Switch off operating voltage.
2. Disconnect all connections from the position transmitter.
3. Unscrew retaining screw.
4. Remove the position transmitter from the T-slot.
11 Technical data
SMAT-8M
General
Certificates, declaration of conformity èwww.festo.com/sp
Input signal/measuring element
Measured variable Position
Measurement principle magnetic
Sensing range1) [mm] ≤52
Signal processing
Max. travel speed [m/s] 3
Typical sampling interval [ms] 2
Output, general
Path resolution2) [mm] ≤0.2
Analogue output
Analogue output [V] 0…10
Sensitivity 1) [mm / V] Measuring range/9V
Typical linearity error1) [mm] ±1
Repetition accuracy [mm] 0.2
Repetition accuracy on quarter turn
actuator DRRD
[°] 1
Capacitive load maximum DC [nF] 100
Min. load resistance of voltage output3) [kΩ] 20
Electronics
Operating voltage DC [V] 15…30
Ready-state delay [ms] ≤200
Typical signal running time4) [ms] ≤8
Immission/emission
Ambient temperature [°C] –40…+80
Ambient temperature with flexible
cable installation
[°C] –20…+70
Recovery time [ms] 12.5ms in accordance with DINEN60947-5-7£
Degree of protection (in accordance
with EN 60529)
IP65/IP68 (condition IP68: test duration 24h)
Protection class (in accordance with
DIN VDE 0106-1)
III
1) Depending on the drive: see selection table in the catalogue
2) Resolution of travel = sensing range/921 (e.g. 0.027 mm with 25 mm sensing range)
3) Recommendation: connect resistor to the analogue output, typ. 20 kΩ
4) The signal running time is longer than the sampling interval due to dynamic filtering. Min. signal running
time = sampling interval 2ms; max. signal running time 8ms (4x filtering)
Tab. 6: Technical data

Produktspecifikationer

Varumärke: Festo
Kategori: Inte kategoriserad
Modell: SMAT-8M-U-E-0,3-M8D

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