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SIKO Wire-actuated encoder SGH50-Position sensor for hydraulic cylinders with measuring lengths up to 5000 mm
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Absolute position sensor for hydraulic cylinders, telescopic cylinders, and piston accumulators, based on the tried and tested wire-actuated sensor technology. Durable, reliable, and robust. Developed with the know-how of over 30 years of experience in wire-actuated sensor technology. 

  • Measuring range 0 … 5000 mm (196.85 inches)
  • Absolute measuring system
  • Pressure-resistant up to 350 bar, pressure peaks up to 450 bar
  • High degree of flexibility, adjustable to all measuring lengths thanks to teach-in 
  • Redundant interfaces (CAT3) available
  • Safety version usable up to Performace Level d
  • Analog, CANopen, SAE J1939, CANopen Safety interfaces
  • With PURE.MOBILE technology

Mechanical data

Feature Technical data Additional information
Flange aluminum sealing ring (HNBR)
Housing

synthetic

 PA66
Wire design ø0.45 mm steel rope (stainless)
Extension force ≥4 N  
Acceleration ≤24 m/s2  

Electrical data

Analog interface

Feature Technical data Additional information
Operating voltage 9 … 32 V DC ambient condition MH,
at output 0 ... 5 V, 0.5 ... 4.5 V,
0.25 ... 4.75 V, 1.0 ... 4.9 V, reverse polarity protected
  12 … 32 V DC ambient condition MH,
at output 0 ... 10 V, reverse polarity protected
  12 … 32 V DC ambient condition MH,
at output 0 ... 20 mA, 4 ... 20 mA,
but UB > Uload +2.0 V, reverse-polarity protected
  24 V DC ±20% ambient condition CE, reverse polarity protected
Current consumption <40 mA at 24 V DC, per encoder
  <80 mA at 12 V DC, per encoder
Power input <1 W

without load, per encoder
Parameter storage 105 cycles also applies to calibration operations
Digital inputs 4 Limit inputs (redundant)
  2 Limit inputs (not redundant)
Input signal level high >8.4 V  
Input signal level low <2.8 V  
Output voltage 0 … 10 V load current <10 mA
  0 … 5 V load current <10 mA
  0.5 … 4.5 V load current <10 mA
  0.25 … 4.75 V load current <10 mA
  1 … 4.9 V load current <10 mA
Output current 0 … 20 mA load ≤500 Ω
  4 … 20 mA

load ≤500 Ω
Linearity tolerance ±0.25 % 5000 mm measurement length
Starting time <150 ms  
Type of connection plug connection system KV1H accessory

CANopen interface

Feature Technical data Additional information
Operating voltage 9 … 32 V DC ambient condition MH,
reverse polarity protected
  24 V DC ±20% ambient condition CE,
reverse polarity protected
Current consumption <40 mA at 24 V DC, per encoder
  <60 mA at 12 V DC, per encoder
Power input <1 W per encoder
Parameter storage 105 cycles also applies to calibration operations
Linearity tolerance ±0.25 % 5000 mm measurement length
Interface

ISO 11898-1/2, not galvanically isolated

 CANopen, CiA 301, CiA 305, CiA 406
Address 1 ... 127 Node ID, via SDO or Layer Setting Service (LSS)
Baud rate 20 kbit/s  
  50 kbit/s  
  125 kbit/s  
  250 kbit/s  
  500 kbit/s  
  800 kbit/s  
  1 Mbit/s  
Cycle time typical 1.5 ms  
Starting time <150 ms  
Type of connection plug connection system KV1H accessory

CANopen Safety interface

Feature Technical data Additional information
Operating voltage 9 … 32 V DC ambient condition MH, reverse polarity protected
  24 V DC ±20 % ambient condition CE, reverse polarity protected
Current consumption <40 mA at 24 V DC, per encoder
  <60 mA at 12 V DC, per encoder
Power input <1 W  
Parameter storage 105 cycles also applies to calibration operations
Linearity tolerance ±0.25 % 5000 mm measuring length
Interface ISO 11898-1/2, not galvanically isolated CANopen Safety, CiA 301, CiA 305, CiA 406, EN50325-5
Address 1 ...127 Node ID, via SDO or Layer Setting Service (LSS)
Baud rate 20 kbit/s  
  50 kbit/s  
  125 kbit/s  
  250 kbit/s  
  500 kbit/s  
  800 kbit/s  
  1 Mbit/s  
Cycle time typical 1.5 ms  
Settling time <150 ms  
Type of connection connector system accessories KV1H

System data

Feature Technical data Additional information
Scanning

magnetic

  
Resolution 12 bit

analog output
  0.1 mm CANopen, SAE J1939, CANopen Safety
Repeat accuracy ±0.15 mm Unidirectional
Measuring range 0 … 5000 mm measuring range flexibly usable between 0 ... 5000 mm
Travel speed ≤2 m/s  
Failure rate 290 year(s)

analog output, at 40° C (MTBF)
SN29500
  240 year(s)

CANopen, at 40° C (MTBF)
SN29500
  540 year(s) analog not redundant, at 40° C
(MTBF) SN29500
  460 year(s) CAN not redundant, at 40° C
(MTBF) SN29500
  170 year(s) CAN safety redundant, at 40° C
(MTBF) SN29500
  730 year(s) CANopen Safety, bei 60° C
(MTTFd )
  156 FIT CANopen Safety, at 60° C (PFH) 1 FIT = 1.0 E - 09 1/h
  84 % CANopen safety, at 60° C
13849-1, Appendix E.2 (DCavg), IS
Ambient conditions
Feature Technical data Additional information
Ambient temperature -40 … 105 °C

electronics
  -30 … 100 °C

mechanics. optionally to 105° C
Storage temperature -40 … 85 °C  
Relative humidity 100 % condensation admissible in the mounted and plugged condition
Operating pressure <350 bar Pn based on ISO19879
Overload pressure <450 bar Pmax based on ISO 19879
Test pressure 650 bar Pstatic based on ISO 19879
EMC EN 61326-3.1 ambient condition CE, industry immunity requirement, class B emission limit
  ISO 11452-1,-2,-3,-4,-5 ambient condition MH, interference EUB
  ISO 7637-1,-2 ambient condition MH, transient impulses
  ISO 10605 ambient condition MH, electrostatic discharge (ESD)
Protection category IP67 EN 60529, fitted with KV1H and suitable mating connector
  IP6K9K

ISO 20653, fitted with KV1H and suitable mating connector

Ordering table

Feature Order data Specifications Additional information
Measuring range

A...

 3000, 3500, 4000, 4500, 5000 in mm  
 
Ambient conditions

BMH

 mobil hydraulics  

CE

 industrial hydraulics  
 
Interface

C0/5V

 0 … 5 V  

0/10V

 0 … 10 V  

0.25/4.75V

 0.25 … 4.75 V  

0.5/4.5V

 0.5 … 4.5 V  

1.0/4.9V

 1.0 … 4.9 V  

0/20mA

 0 … 20 mA  

4/20mA

 4 … 20 mA  

CAN

 CANopen  

CANs

 CANopen Safety  
 
Redundancy

DNR

 not redundant  

R

 redundant  
 

Ordering key

SGH50-A-GW6-B-C-D-M1-DS-S