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Heavy-duty absolute rotary encoder
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Magnetic absolute multi-turn rotary encoder in heavy-duty stainless-steel design – batteryless, robust and flexible. The WV42HD is predestined for demanding measuring jobs in the heavy-duty area owing to its extremely robust housing, its bearings, which are designed to tolerate high radial and axial loads as well as its high resistance against external impact.

  • Heavy-duty design in stainless steel
  • Compact design (42 mm diameter)
  • IP6K9K, IP68 protection class
  • Resistant to salt spray and acids
  • CANopen interface, SSI, analog
  • Multi-turn without battery
  • High shaft loadability of up to 270 N
  • 16 bit mult-iturn (65536 revolutions)
  • 13 bit single-turn (8192 revolutions)

Mechanical data

Feature Technical data Additional information
Shaft stainless steel  
Flange stainless steel  
Housing stainless steel  
Speed ≤12000 rpm  
Starting torque ≤4 Ncm

at 25 °C

Shaft load rating axial ≤270 N  
  radial ≤270 N  
Weight ~0.35 kg  

Electrical data

Transducer, power output

Feature Technical data Additional information
Operating voltage 8 … 32 V DC 4 ... 20 mA
Current consumption typical 20 mA@ 24 V (idling) 4 ... 20 mA
Linearity 0.15 % 4 ... 20 mA
Load RL <500 Ω 4 ... 20 mA, load against ground GND
Accuracy ±0.09° singleturn, 4 ... 20 mA
Starting time <500 ms 4 ... 20 mA
Settling time 32 ms 4 ... 20 mA
Transducer, voltage output
Feature Technical data Additional information
Operating voltage 8 … 32 V DC 0 ... 10 V
Current consumption typical 15 mA 0 ... 10 V
Linearity 0.15 % 0 ... 10 V
Load RL >5 kΩ 0 ... 10 V, load against ground GND
Accuracy ±0.09° singleturn, 0 ... 10 V
Starting time <500 ms 0 ... 10 V
Settling time 32 ms 0 ... 10 V

CANopen interface

Feature Technical data Additional information
Operating voltage 9 … 30 V DC reverse polarity protected
Power input ≤1.2 W  
Interface

according to ISO 11898, galvanically isolated

CANopen (DS406)
Address adjustable via SDO or Layer Setting Service (LSS)
Baud rate ≤1 Mbit/s  
Cycle time ≥1 ms  

SSI interface

Feature Technical data Additional information
Operating voltage 4.5 … 30 V DC

reverse polarity protected

Power input ≤1 W  
SSI clock speed input 100 kHz … 2 MHz  
Interface

line driver to RS422

 
Cycle time ≥25 µs  

System data

Feature Technical data Additional information
Resolution 13

bit (analog output)

over the programmed measuring range

  13

bit (singleturn)

current/voltage output
  12 bit (single turn) CANopen, SSI
Measuring range ≥11.5°  
  ≤1 revolution(s)

singleturn

  ≤65536 revolution(s)

multiturn

  16 revolution(s)

factory setting (multiturn)

Ambient conditions

Feature Technical data Additional information
Ambient temperature -40 … 85 °C  
Storage temperature -40 … 85 °C  
Relative humidity 98 % condensation inadmissible
EMC EN 61000-6-2 interference resistance / immission
  EN 61000-6-4

emitted interference / emission

Protection category IP68 EN 60529
  IP6K9K ISO 20653
Shock resistance ≤3000 m/s2, 6 ms EN 60068-2-27
Vibration resistance ≤300 m/s2, 10 Hz … 1 kHz EN 60068-2-6

Ordering table

Feature Order data Specifications Additional information
Interface

ACAN

CANopen (DS406)  

MWI

4 … 20 mA  

MWU

0 … 10 V  

SSI/B

SSI binary  

SSI/G

SSI gray  
 
Number of revolutions

B1

singleturn  

8192

13 bit only SSI or CAN

65536

16 bit only MWI or MWU
 

Ordering key

WV42HD-A-B-M12

For more information, click here!

Pin assignment

MWI/MWU interface

Signal PIN
Iout/Uout 1
+UB 2
GND 3
Set 2 4
Set 1 5

CAN interface

Signal PIN
CAN_GND 1
+UB 2
GND 3
CAN_H 4
CAN_L 5

SSI interface

Signal PIN
GND 1
+UB 2
SSI clock + 3
SSI clock - 4
SSI data + 5
SSI data - 6
calibration input 7
sense of rotation 8

Scope of delivery

  • WV42HD