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Headquarters: SIKO GmbH Weihermattenweg 2 79256 Buchenbach Germany Phone+49 7661 394-0 info@siko-global.com

Subsidiary: SIKO Products Inc. 2155 Bishop Circle E Dexter, MI 48130 USA Phone+1 (734) 426-3476 sales.us@siko-global.com

Wire-actuated encoder SGH25

Position sensor for hydraulic cylinders with measuring lengths up to 2500 mm

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Absolute wire-actuated sensor for 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.

Profile SGH25:

Measuring range 0 … 2500 mm (98.42 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

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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	≥3.9 N
Acceleration	≤24 m/s²
Weight	~0.35 kg

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 imputs (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 %	2500 mm measurement length
Settling 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 %	2500 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
Settling 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 ±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 galvanically insulated	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	plug-in connection system	KV1H accessory

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 … 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) SN29500
	240 year(s)	CANopen not redundant, at 40° C (MTBF) SN29500
	540 year(s)	analog redundant, at 40° C (MTBF) SN29500
	460 year(s)	CAN redundant, at 40° C (MTBF) SN29500
	170 year(s)	CAN Safety redundant, at 40° C (MTBF) SN29500
	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), IS13849-1, Appendix E.2

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	P_n based on ISO 19879
Overload pressure	<450 bar	P_max based on ISO 19879
Test pressure	650 bar	P_static based on ISO 19879
EMC	EN 61326-1	ambient condition CE, industry immunity requirement, class B emission limit
	ISO 11452-1, -2, -3, -4, -5	ambient condition MH, interference radiation EUB
	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 Hz … 2 kHz	EN 60068-2-64

Scope of delivery

SGH25
Quick Start Guide

Ordering table

Feature	Order data	Specifications	Additional information
Measuring range	A...	1500, 2000, 2500 in mm
Measuring range
Ambient conditions	BMH	mobil hydraulics
	CE	industrial hydraulics

Interface	C0/5V	0 … 5 V	voltage output
	0/10V	0 … 10 V	voltage output
	0.25/4.75V	0.25 … 4.75 V	voltage output
	0.5/4.5V	0.5 … 4.5 V	voltage output
	1.0/4.9V	1.0 … 4.9 V	voltage output
	0/20mA	0 … 20 mA	current output
	4/20mA	4 … 20 mA	current output
	CAN	CANopen
	CANs	CANopen Safety

Redundancy	DNR	not redundant
	R	redundant