TEKCELEO WLG-20-R User manual
WLG-20-R with embedded encoder
Thank you for trusting Tekceleo and buying this piezoelectric motor.
Please follow the instructions below before using this WLG-20-R motor
Inside the box
•WLG-20-R with 30cm cable
•WLG-20 ECU
•US adapter plug
•9V 2A Power Supply
1
Getting started
Note : Additional cable length can be purchased.
Available length : 1 meter and 5 meters.
Power Up Motor Control Speed Control
In order to control the speed and turn on the motor,
connect the ground pin 2 and the speed pin 1 to a
voltage generator (See page 6). If the speed pin is not
connected, the motor will not rotate.
In order to turn on/ turn off the motor,
activate the on/off Switch (ON/OFF).
To change the direction of the rotation,
activate the CW/CCW Switch (DIRECTION)
(See page 6).
Connect the power supply into an
electrical outlet.
Jumper Settings
In order to control the motor via the manual
switches, place the jumpers in the Switch
Control position (See page 6).
In order to control the motor via pin 3 and 4,
place the jumpers in the External Control on
pins 3 and 4 position (See page 6).
2
Technical specifications
MOTOR DATA WITH EMBEDDED
ENCODER
VALUES
Max No load speed 380 RPM
Stall torque 30 mN.m
Rated speed at maximum output 265 RPM
Rated torque at maximum output 20 mN.m
Holding torque 40 mN.m
Maximum power 0,55 W
Operating temperature 0°c to 45°c
MECHANICAL DATA VALUES
Max radial load, 5mm from flange 5 N
Max axial load dynamics 1 N
Max force for press fits (static, shaft
supported ) 18 N
Shaft concentricity ± 0,2 mm
Weight 14 g
8 Electrical wire length 0,3 m
MECHANICAL DATA VALUES
Maximal power consumption 9 VDC / 0,8A
Recommended power supply 9 VDC / 2A
To operate continuously, the motor needs to dissipate heat. It is advisable to mount
it on a metal cooling plate. Performances are ensured as long as the temperature of
the motor remains under 45 degrees (see details page 5)
Low speed control :
- The minimum speed has to remain above 30 rpm in order to maintain velocity
and torque performances
- For speed under 30 rpm the torque vs velocity performances are not guarantee
WLG-20-R with embedded encoder
3
Control specifications
CHARACTERISTICS VALUES
On / Off response time (Pin 3) < 500 µs
Speed change response time < 50 ms
Closed loop position controller (see figure below) P control proportional
In case you need to control the position of the motor :
In order to take advantage of the on / off response time of the motor, it is preferable to
send a 0V on pin 3 once the motor has reached its position (see figure below)
ENCODER DATA VALUES
Two channel quadrature digital outputs for direction
sensing : A and B
1440 increments per
revolution each
One channel, Index digital output I (Z) 1 increment per revolution
Encoder Position
Position
SetPoint Proportional
Controller
Motor (velocity)
Analog Voltage via
pin 1
Reel Motor
Position
If position
setpoint reached
0V on Pin 3
Motor off
WLG-20-R with embedded encoder
0
38
76
114
152
190
228
266
304
342
380
0,00 0,33 0,66 0,99 1,32 1,65 1,98 2,31 2,64 2,97 3,30
Speed (RPM)
Voltage (V)
Speed (RPM) vs Voltage input (V)
4
Motor dimensions
WLG-20-R with embedded encoder
5
Mounting recommendation
WLG-20-R motor can perfectly transmit the mechanical power required if its assembly respects two constraints
The motor shaft must absolutely not be loaded by radial load more than specified : 5 N
The motor must be mounted on cooling plate designed in order to better dissipate the heat emanating from the motor
We highly recommend to use a flexible
coupling between the WLG-20 motor and
the load in order to ensure performances.
Please find on the table the main
characteristics to respect.
(our ref : A 1223 from A.C.C.&S. )
COUPLING CHARACTERISTICS VALUES
Axial stiffness 2,2 N/mm
Radial Stiffness 4,2 N/mm
Inertial torque 3,6x10-7 kg.m²
We also recommend to fix the piezoelectric motor on a metal plate to dissipate the heat generated by the motor.
Optimal size is aluminum plate with the specified dimensions : 30 x 30 x 5 mm
Make sure to screw the motor using the right screw length (M2x0,4 –2,4 mm deep MAX in the motor)
Please respect the recommended tightening torque for M2 screws : 0,3 Nm
WLG-20-R with embedded encoder
6
Control specifications
PIN INPUT / OUTPUT SPECIFICATIONS
1 I Speed control using analog voltage 0 –3,3 VDC
2 - Ground
3 I On Off digital control TTL level signal (0 or 5 VDC)
4 I CW / CCW digital control TTL level signal (0 or 5 VDC)
5 O Incremental encoder signal A (1440 increments per rotation)
6 O Incremental encoder signal B (1440 increments per rotation)
7 O Incremental encoder index
8 - Not used
Pins dimensions Board dimensions
JUMPER CONFIGURATION
Switch control External control ( Pin 3 & 4)
ECU pins identification
JST SH 8 pins female connector
Motor output
WLG-20-R with embedded encoder
Table of contents
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