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Headquarters: SIKO GmbH Weihermattenweg 2 79256 Buchenbach Germany Phone+49 7661 394-0 info@siko-global.com

Subsidiary: SIKO Products Asia Pte Ltd 19A, St. Michael's Road #06-05 Singapore 328003 Singapore Phone+65 62979733 info@siko.sg

Absolute encoder WV42HD

Heavy-duty absolute rotary encoder

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.

Profile WV42HD:

Heavy-duty design in stainless steel
Compact design (42 mm diameter)
IP6K9K, IP68 protection category
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)

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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

Pin assignment

MWI/MWU interface

Signal	PIN
I_out/U_out	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

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