Datasheet
WDG 40A Errors and modifications reserved. © Wachendorff Automation GmbH & Co. KG 2020-10-13 -2-
Encoder WDG 40A
•Robust and economical encoder with small dimensions
•Protection to IP67, shaft sealed to IP65
•Optional:
Protection to IP67 all around
-40 °C up to +80 °C
www.wachendorff-automation.com/wdg40a
Resolution
Max. pulses per revolution
PPR
100 ppr
Mechanical Data
Housing
FlangeServo flange
Flange materialaluminum
Housing capaluminum, powder coated
HousingØ 40 mm
Cam mountingpitch 51 mm
Shaft(s)
Shaft materialstainless steel
Starting torqueapprox. 0.2 Ncm at ambient
temperature
Shaft Ø 6 mm
Shaft lengthL: 11.5 mm
Max. Permissible shaft
loading radial
80 N
Max. Permissible shaft
loading axial
50 N
Bearings
Bearings type2 precision ball bearings
Nominale service life1 x 10'9 revs. at 100 % rated shaft
load
1 x 10'10 revs. at 40 % rated shaft
load
1 x 10'11 revs. at 20 % rated shaft
load
Max. operating speed 12000 rpm
Machinery Directive: basic data safety integrity level
MTTF
d
200 a
Mission time (TM)25 a
Nominale service life (L10h)1 x 10'11 revs. at 20 % rated shaft
load and 12000 rpm
Diagnostic coverage (DC)0 %
Electrical Data
Power supply VDC 10 - 30 VDC
Current consumptiontyp. 70 mA
Signal shapesquare-wave
Output circuitHTL
ChannelsAB, ABN
Outputpush-pull
Loadmax. 40 mA / channel
Signal level mAat 20 mA
Signal level H>H > Vcc - 2.5 VDC
Signal level L<L < 2.5 VDC
Output frequencymax. 200 kHz
Circuit protectionyes
Light reserve warningno
General Data
Weightapprox. 100 g
Connectionscable or connector outlet
Protection rating (EN 60529)Housing: IP65, IP67;
shaft sealed: IP65; (IP40 for K1)
Operating temperature-20 °C up to +80 °C
Storage temperature-30 °C up to +80 °C
More Information
General technical data and safety instructions
http://www.wachendorff-automation.com/gtd
Options
http://www.wachendorff-automation.com/acc