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

Draw-Wire Encoder SG32

robust design and redundant sensor system with 3000 mm measuring length

Very robust wire-actuated encoder in compact design for numerous areas of application including crane construction, stage construction, warehousing technology, etc., up to a measuring length of 3000 mm, with signal output in redundant design. Easy, universally changeable installation.

Profile SG32:

Robust design
Measuring lengths up to 3000 mm
Analogue signal output in redundant design (2x 4…20 mA or potentiometer)
Variable mounting options
Lockable vent and water drain holes
Very robust measuring rope (stainless steel)
IP65 protection class
M12 plug connection

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Technical data

Mechanical data

Feature	Technical data	Additional information
Housing	zinc die-cast, plastic
Wire design	ø0.61 mm	rustproof stainless steel, plastic-coated
	ø0.6 mm	rustproof stainless steel
Extension force	≥9 N
Absolute accuracy	±0.35 %	relating to measuring ranges (mm)
Weight	~0.5 kg

Electrical data

Encoder potentiometer

Feature	Technical data	Additional information
Operating voltage	≤30 V	power loss on the potentiometer <1 W
Power rating	2 W at 70 °C
Resistance	10 kΩ
Resistance tolerance	±5 %
Standard terminal resistance	0.5 % or 1 Ω	(the higher value applies in each case)
Linearity tolerance	±0.25 %
Type of connection	M12 plug connector (A-coded)	8-pole, 1x pin

Transducer, power output

Feature	Technical data	Additional information
Operating voltage	10 … 30 V DC	with load impedance ≤500 Ω voltage between I+ and I-
Output current	4 … 20 mA (2x)	4/20mA 4/20mA
	20 … 4 mA (2x)	20/4mA 20/4mA
	4 ... 20 mA, 20 ... 4 mA	4/20mA 20/4mA
Type of connection	M12 plug connector (A-coded)	8-pole, 1x pin

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 or 20 … 4 mA is available.

System data

Feature	Technical data	Additional information
Repeat accuracy	±0.15 mm	per direction of approach
Travel speed	≤800 mm/s
Failure rate	166.7 year(s)	at 60 °C (MTBF)

Ambient conditions

Feature	Technical data	Additional information
Ambient temperature	-40 … 80 °C
Protection category	IP65 (for electronic unit)	EN 60529, Certonal-coated electronic unit

Technical drawing

Additional information

Pin assignment

Potentiometer pin assignment

Signal	PIN	Additional information
Po	1	Potentiometer 1
Po	2	Potentiometer 2
S	3	Potentiometer 2
Pe	4	Potentiometer 2
nc	5
Pe	6	Potentiometer 1
S	7	Potentiometer 1
nc	8

Transducer pin assignment

Signal	Pin	Additional information
I+	1	Transducer 1
I+	2	Transducer 2
nc	3
I-	4	Transducer 2
nc	5
I-	6	Transducer 1
nc	7
nc	8

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.

symbolic depiction

Scope of delivery

SG32
Mounting instructions

Ordering table

Feature	Order data	Specifications	Additional information
Measuring range	A...	2000, 2500, 3000 in mm
Measuring range
Wire design	BS	stainless steel rope
	SK	stainless steel rope, plastic-coated

Encoder type	CP10_P10	2x potentiometer 10 kΩ
	20/4mA_20/4mA	2x transducers 20…4 mA
	4/20mA_20/4mA	2x transducers 4…20 mA counter-rotating
	4/20mA_4/20mA	2x transducers 4…20 mA

Position of electrical connection	D1	direction of wire outlet
	3	opposite the wire outlet

Series impedance	E0	0 Ω	only for P10_10 encoder type
Series impedance	1k2	1.2 kΩ	only for P10_10 encoder type