Draw-wire encoder SGH25
Position sensor for hydraulic cylinders with measuring lengths up to 2500 mm
![](/fileadmin/_processed_/0/c/csm_27865_ANALOG_3836ce3403.jpg)
![](/fileadmin/_processed_/e/c/csm_27784_CANOPENLOGO_PRINT_e2797370e3.jpg)
![](/fileadmin/_processed_/c/1/csm_27811_CANOPEN_SAFETY_018e3995b9.jpg)
![](/fileadmin/_processed_/2/4/csm_33688_LOGO_SAEJ1939_820f8170bd.jpg)
Absolute wire-actuated sensorfor position measurement and speed measurement in hydraulic cylinders, telescopic cylinders, and piston accumulators. Durable, reliable, and easy to integrate, based on over 30 years of experience in wire-actuated sensor technology.
- Measuring range 0 … 2500 mm (98.42 inches)
- Absolute measuring system
- Pressure-resistant up to 350 bar, pressure peaks up to 450 bar
- Redundant interfaces (CAT3) available
- High flexibility, thanks to teach-in to any measuring length
- Safety version usable up to Performace Level d
- Analog, CANopen, SAE J1939, CANopen Safety interfaces
Technical drawing
Technical Specifications
Mechanical data
Electrical data
System data
Ambient conditions
Feature
Technical Specifications
Enhancement
Weight
~0.35
 kg
Flange
 aluminum
sealing ring (HNBR)
Housing
 plastic
PA66
Wire design
ø0.45
 mm
rustproof stainless steel
Extension force
≥3.9
 N
Acceleration
≤24
 m/s²
Schnittstelle analog
Feature
Technical Specifications
Enhancement
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 imputs (not redundant)
Input signal level high
>8.4
 V
Input signal level low
<2.8
 V
Output voltage
0 … 10 V
load current <1 mA
0 … 5 V
load current <1 mA
0.5 … 4.5 V
load current <1 mA
0.25 … 4.75 V
load current <1 mA
1 … 4.9 V
load current <1 mA
Output current
0 … 20 mA
load ≤500 Ω
4 … 20 mA
load ≤500 Ω
Linearity tolerance
±0.25
 %
2500 mm measurement length, ±0.5% output value range ≤15 mV
±0.5
 %
500 mm measurement length
Settling time
<150
 ms
Type of connection
 connector system
KV1H accessory
Schnittstelle CANopen
Feature
Technical Specifications
Enhancement
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
 %
2500 mm measurement length
Interface
 ISO 11898-1/2, not electrically 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
1.5
 ms
 typical
Settling time
<150
 ms
Type of connection
 connector system
KV1H accessory
Schnittstelle CANopen Safety
Feature
Technical Specifications
Enhancement
Operating voltage
9 … 32 V DC
ambient condition MH, reverse polarity protected
24 V ±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
 %
2500 mm measurement length
Interface
 ISO 11898-1/2, not electrically 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
1.5
 ms
 typical
Settling time
<150
 ms
Type of connection
 connector system
KV1H accessory
Feature
Technical Specifications
Enhancement
Scanning
 magnetic
Resolution
12
 bit
analog output
0.1
 mm
CANopen, SAE J1939, CANopen Safety
Repeat accuracy
±0.15
 mm
unidirectional
Measuring range
0 … 2500 mm
measurement area can be used flexibly between 0 … 2500 mm
Travel speed
≤2
 m/s
Failure rate
290
 Year(s)
analog output not redundant, at 40° C (MTBF)SN 29500
240
 Year(s)
CANopen not redundant, at 40° C (MTBF)SN 29500
540
 Year(s)
analog redundant, at 40° C (MTBF)SN 29500
460
 Year(s)
CAN redundant, at 40° C (MTBF)SN 29500
170
 Year(s)
CAN Safety redundant, at 40° C (MTBF)SN 29500
730
 Year(s)
CANopen Safety, at 60° C (MTTFd value)
156
 FIT
CANopen Safety, at 60° C (PFH) 1 FIT = 1.0 E-09 1/h
84
 %
CANopen Safety, at 60 °C (DCavg value), ISO13849-1, Appendix E.2
Approval
 E1 compliant
UN /ECE R10 approval number: E1 10 R - 05 8507
Feature
Technical Specifications
Enhancement
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 radiation EUB
 ISO 7637-1, -2
ambient condition MH,transient pulses
 ISO 10605
ambient condition MH, electrostatic discharge (ESD)
Protection category
 IP67
EN 60529, installed with KV1H and suitable mating plug
 IP6K9K
ISO 20653, fitted with KV1H and suitable mating connector
Shock resistance
1000 m/s2, 11 ms
EN 60068-2-27
Vibration resistance
70 m/s2, 10 … 2 kHz
EN 60068-2-64
System components
Purchase order
Product configuration
Feature
Select specifications
Enhancement
Select your specifications:
Measuring range
1500
in mm
ambient conditions
MH
Interface
0/5V
voltage output
voltage output
voltage output
voltage output
voltage output
current output
current output
redundancy
NR
Accessories
Comparable products
Scope of delivery
- SGH25
- Quick Start Guide