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

Wire-actuated encoder SG42

robust design and redundant sensor system with 4000 mm measuring length

Wire-actuated encoder with redundant acquisition of linear measurement distances with a max. measuring length of 4000 mm.

Profile SG42:

  • Robust design
  • Measuring lengths up to 4000 mm
  • Analogue signal output in redundant design (2x 4…20 mA or potentiometer)
  • Variable mounting options
  • Lockable vent and water drain holes
  • Very robust measuring rope (stainless steel)
  • IP65 protection category
  • M12 plug connection

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Mechanical data
FeatureTechnical dataAdditional information
Housingaluminum/plastic
Wire designø0.87 mm

steel rope (stainless), plastic-coated

Extension force≥8 N
Measured distance/ rope drum revolution200 mm
Absolute accuracy±0.35 % relating to measuring length (mm)
Weight~0.79 kg
Electrical data
Encoder potentiometer
FeatureTechnical dataAdditional information
Operating voltage≤30 V

power loss on the potentiometer <1 W

Power rating2 W at 70 °C
Resistance10 kΩ
Resistance tolerance±5 %
Standard terminal resistance0.5 % or 1 Ω

the higher value always applies

Linearity tolerance±0.25 %
Type of connection

M12 plug connector (A-coded)

8-pole, 1x pin

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

with load impedance ≤500 Ω voltage between I+ and I-

Output current4 … 20 mA

(2x)

4/20mA 4/20mA

20 … 4 mA

(2x)

20/4mA 20/4mA

4 ... 20 mA, 20 ... 4 mA

4/20mA 20/4mA

Type of connection

M12 plug connector (A-coded)

8-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 or 20 …4 MA is available. 

System data
FeatureTechnical dataAdditional information
Repeat accuracy ±0.25 mm

per direction of approach

Travel speed≤800 mm/s
Failure rate166.7 year(s)

at 60 °C (MTBF)

Ambient conditions
FeatureTechnical dataAdditional information
Ambient temperature-40 … 80 °C
Protection category

IP65 (for electronic unit)

EN 60529, Certonal-coated electronic unit

Wire-actuated encoder SG42
Pin assignment
Potentiometer pin assignment
SignalPINAdditional information
Po 1 Potentiometer 1
Po 2 Potentiometer 2
S 3 Potentiometer 2
Pe 4 Potentiometer 2
nc 5  
Pe 6 Potentiometer 1
S 7 Potentiometer 1
nc 8  
Transducer pin assignment
SignalPinAdditional information
I+ 1 Transducer 1
I+ 2 Transducer 2
nc 3  
I- 4 Transducer 2
nc 5  
I- 6 Transducer 1
nc 7  
nc 8  
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. 

SG42 Hint for mounting
Symbolic representation

Scope of delivery
  • SG42
  • Mounting instructions
Ordering table
Feature Order data Specifications Additional information
Measuring range
A...
3300, 3700, 4000 in mm
 
Encoder type
BP10_P10
2x potentiometers 10 kΩ
20/4mA_20/4mA
2x transducers 20…4 mA
4/20mA_20/4mA
2x transducers 4…20 mA counter-rotating
4/20mA_4/20mA
2x transducers 4…20 mA
 
Position of electrical connection
C1
0 °
3
180 °
 
Series impedance
D0
0 Ωonly for P10_10 encoder type
1k2
1.2 kΩonly for P10_10 encoder type
 
Ordering key
SG42
-
A
-
B
-
C
-
D
additional accessoriesOrdering key
Mating connector,

8-pole, socket

83525

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Mathias Roth

Mathias Roth
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