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

Draw-Wire Encoder SG21

small design for rotary encoder mounting with 2000 mm measuring length

Compact wire-actuated encoder for rotary encoders with max. 36 mm diam. flange

Profile SG21:

  • Wire-actuated encoder for rotary encoder with max. Ø36 mm flange
  • Measurement lengths up to 2000 mm
  • Sturdy zinc die-cast housing, robust design, stable measuring rope (stainless steel)
  • Very compact design

SSI SAE J1939 CANopen IO-Link

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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 operating temperature

Measured distance/ rope drum revolution100 mm
Weight~0.2 kg
Electrical data

You can find suitable rotary encoders on our website www.siko-global.com. They are suitable …
 

  • for analog outputs such as current or voltage: AV3650M
  • for incremental outputs: IV2800
  • for absolute outputs: WV3650M, WV36M/CAN


SIKO rotary encoders have the following interfaces, among others: incremental, SSI, CANopen, IO-Link

The technical specifications for these devices can be found in the respective data sheets. In addition, numerous encoder variants from different manufacturers can be used.

System data
FeatureTechnical dataAdditional information
Repeat accuracy ±0.15 mm

per direction of approach

Travel speed≤1 m/s
Ambient conditions
FeatureTechnical dataAdditional information
Ambient temperature-10 … 80 °C T1
-40 … 80 °C T2
Draw-Wire Encoder SG21
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. 

SG21 Hint for mounting
symbolic depiction

Scope of delivery
  • SG21
  • Mounting instructions
Ordering table
Feature Order data Specifications Additional information
Rope fixture
AGW
wire suspension with thread
HK
wire suspension with hook
 
Encoder type
BOG6
without encoder
S6
a wide range of encoders can be usedsee accessories
 
Position of electrical connection
C1
direction or wire outlet or axiallydepending on installed encoder
2
upward
3
opposite the wire outlet
4
downward
O
without encoder
 
Operating temperature
DT1
-10 … +80 °C
T2
-40 … +80 °C
 
Ordering key
SG21
-
A
-
B
-
C
-
D

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Contact

Abdul-Karim Nasser

Abdul-Karim Nasser
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