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

Draw-Wire Encoder SG20

compact design made of zinc die cast with 2000 mm measurement length

Compact wire-actuated encoder with a max. measurement length of 2000 mm and an analog output.

Profile SG20:

  • Compact design
  • Universally applicable thanks to standardized interfaces
  • Easy mounting
  • Measurement lengths up to max. 2000 mm
  • Potentiometer, voltage or power output
  • Robust zinc die-cast housing
analog

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Mechanical data
FeatureTechnical dataAdditional information
Housingzinc die-cast
Wire designø0.45 mm

rustproof stainless steel, plastic-coated

ø0.45 mm rustproof stainless steel
Extension force≥2 N

T1 operating temperature

≥11 N

T2 working temperature

Measured distance/ rope drum revolution100 mm
Absolute accuracy±0.35 % relating to measuring length (mm)
Cable length≤20 m connection type E1
Weight~0.32 kg
Electrical data
Encoder potentiometer
FeatureTechnical dataAdditional information
Power rating2 W at 70 °C
Resistance10 kΩ
Resistance tolerance±5 %
Linearity tolerance±0.25 %
Transducer, power output
FeatureTechnical dataAdditional information
Operating voltage10 … 30 V DC

between I+ and I-, at ≤500 Ω load

Output current4 … 20 mA

(4/20mA; MWIHP)

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

at 3 mA without load (0/10V)

8 … 28 V DC

at 3 mA without load (0,5/4,5V)

Output voltage0 … 10 V DC

ILoad ≤10 mA

0.5 … 4.5 V DC

ILast ≤10 mA (0,5/4,5V)

Resistance2 … 10 kΩ

against GND

Load≤15 mA

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
Travel speed≤1 m/s
Ambient conditions
FeatureTechnical dataAdditional information
Ambient temperature-10 … 80 °C T1
-40 … 80 °C T2
Protection category

IP65 (encoder part)

EN 60529
Draw-Wire Encoder SG20
Pin assignment
Potentiometric outputs P10
SignalE1E12
Po brown 1
Pe white 2
S green 3
nc   4
MWI transducer
SignalE1E12
I+ brown 1
I- white 2
nc   3
nc   4
MWU transducer
SignalE1E12
+24 V DC brown 1
GND white 2
Uout green 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. 

SG20 Hint for mounting
symbolic depiction

Scope of delivery
  • SG20
  • Mounting instructions
Ordering table
Feature Order data Specifications Additional information
Measuring range
A...
1250, 1500, 1750, 2000 in mm
 
Rope fixture
BGW
wire suspension with thread
HK
wire suspension with hook
RI
wire suspension with ring
 
Encoder type
CP10
potentiometer with 10 kΩ
0.5/4.5V
measuring transducer 0.5 … 4.5 V
0/10V
measuring transducer 0 … 10 V
4/20mA
measuring transducer 4 … 20 mA
others on request
 
Position of electrical connection
D1
direction of wire outlet
2
upward
3
opposite the wire outlet
 
Type of connection
EE1
open cable ends
E12
connector
 
Cable length
F...
01.0 ... 20.0 m, in intervals of 1 monly with connection type E1
OK
without cableonly with connection type E12
 
Operating temperature
GT1
-10 … +80 °C
T2
-40 … +80 °C
 
Ordering key
SG20
-
A
-
B
-
C
-
D
-
E
-
F
-
G

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