Headquarters: SIKO GmbH Weihermattenweg 2 79256 Buchenbach Germany Phone+49 7661 394-0

Wire-actuated encoder SG30

robust design with a measurement length of 3000 mm

Very robust wire-actuated encoder in compact design for numerous applications including crane construction, stage construction, warehousing technology, etc., with a measuring length up to 3000 mm. Easy, universally changeable installation.

Profile SG30:

  • Compact, robust design
  • Variable mounting options
  • Measuring lengths up to 3000 mm
  • Potentiometer, voltage or power output
  • Housing made of zinc die-cast and plastic
  • Lockable ventilation holes against condensation
  • High tightness at the rope outlet
  • M12 plug connection

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Mechanical data
FeatureTechnical dataAdditional information
Housingzinc die-cast, plastic
Wire designsteel wire (stainless steel) ø0.87 mm plastic coated
Extension force≥3 N
Cable length≤30 m

P10, MWI encoder types

≤20 m

MWU encoder type

Weight~0.5 kg
Electrical data
Encoder potentiometer
FeatureTechnical dataAdditional information
Power rating2 W at 70 °C
Resistance10 kΩ
Resistance tolerance±5 %
Linearity tolerance±0.25 %
Type of connectionM12 plug connector (A-coded)

4-pole, 1x pin

Transducer, power output
FeatureTechnical dataAdditional information
Operating voltage10 … 30 V DC

between I+ and I-, at ≤500 Ω load

Output current4 … 20 mA
Type of connectionM12 plug connector (A-coded)

4-pole, 1x pin

Transducer, voltage output
FeatureTechnical dataAdditional information
Operating voltage15 … 28 V DC

at 3 mA without load

Output voltage0 … 10 V DC

ILoad ≤10 mA

Resistance2 … 10 kΩ

against GND

Load≤15 mA
Type of connectionM12 plug connector (A-coded)

4-pole, 1x pin

Measurement transducers permit optimum adjustment of the output current and output voltage to the measuring range.  The measurement transducer is pre-set at the works so that an output signal of 4 … 20 mA (MWI) or 0 … 10 V DC (MWU) is available. 

System data
FeatureTechnical dataAdditional information
Repeat accuracy ±0.15 mm

per direction of approach

Measuring range≤3000 mm
Travel speed≤800 mm/s
Ambient conditions
FeatureTechnical dataAdditional information
Ambient temperature-40 … 80 °C
Relative humidity condensation inadmissible
Protection category

IP65 (encoder part)

EN 600529
Wire-actuated encoder SG30
Pin assignment
Potentiometric outputs P10
MWI transducer
I+ 1
I- 2
nc 3
nc 4
MWU transducer
+24 V DC 1
Uout 3
nc 4
Hint for mounting

When securing the wire it must be ensured that the wire is straight and vertical in relation to the wire outlet.  Recommendation: Only select the starting position after an unwound length of approx. 5 mm. This prevents the wire hitting the end stop when it is rewound. 

SG30 Hint for mounting
Symbolic representation

Scope of delivery
  • SG30
Ordering table
Feature Order data Specifications Additional information
Measuring range
2000, 2500, 3000 in mm
Rope fixture
wire suspension with thread
wire suspension with hook
Encoder type
transducer, current
transducer, voltage
Position of electrical connection
0 °
90 °
180 °
270 °
Ordering key

SG30 - A - B - C - D

additional accessoriesOrdering key
Mating connector, P10, MWI, MWU,

4-pole, socket


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Melanie Augustin

Melanie Augustin
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