DRAW WIRE SENSOR

Content:

Introduction ....2Technical Data ....3Technical Drawing ....4Technical Drawing Cut-Out ....5Accessories ....5Order Code ....6

Series SX200 for direct installation in hydraulic cylinders

Key-Features:

- Measurement range up to 12 m - Pressure-sealed up to 300 bar - Output signals: SSI, CANopen, Profibus, EtherCAT,

Profinet, further on request - Alternative draw wire mechanics for encoder

installation - Unpressurised encoder

17.05.19

- 2 -

INTRODUCTION

The WayCon SX200 Draw Wire Sensor is designed for an installation directly in the head of a hydraulic cylinder. The sensor reliably determines the exact position of the cylinders piston and emits an equivalent output signal by its sensor element. The draw wire mechanics gets installed in the pressurised area whereas the sensor element (an absolute encoder) is attached at the outside of the cylinder.

The SX200 is particularly suitable for long stroke cylinders and telescope cylinders with pressurized oil filled housings. By giving feedback signals to a machine control unit it is possible to control the position of a cylinder, to program specific movements, or to manage synchronous movements of several cylinders. Due to its small overall size, its short assembly time and its possible customisation, this sensor technology is a cost-effective and flexible solution for a wide range of industrial applications.

spring set

guided rope outlet

mounting plate

wire rope drum

pressure seal

in pressure free area

pluggable coupling unit

flange for encoder mounting

rope fixation clip

MEASUREMENT PRINCIPLE

A constant spring force coils the measuring rope accurately single-layered on an ultralight rope drum, so that the linear motion is converted into rotation. This rotation is guided to the external flange by a coupling through a pressure seal. The sensor element (rotary absolute encoder) provides the output signal (e.g. SSI, Profibus). Due to the dynamics of the draw wire transducer high motion speeds and fast accelerations of the cylinder piston can be measured.

TYPICAL APPLICATIONS

• hydraulic gates for dam control• synchronous run of more than one cylinder• sluice gate control• cylinder acceleration and speed control• stroke control of fairground ride applications

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TECHNICAL DATA MECHANICS

Measurement range [m] 8 / 10 / 12

Linearity [%] ±0.05 (depending on the used encoder)

Sheave circumference [mm] 333.3

Operating temperature [°C] -20...+70

Hydraulic fluid hydraulic oil

Pressure seal suitable for hydraulic oils, pressure-tight up to 300 bar

Piston travel speed [m/s] max. 3 (in air) 1⁾

Rope tension (for sensors with 12 m measurement range) [N] start of measurement range: 4...4.6

end of measurement range: 8...9

Weight [kg] 5

Housing aluminium ENAW-5754, steel 1.4301

Encoder requirements [mm] clamping flange diameter Ø 36 / shaft length 20 / shaft diameter Ø 10

1⁾ identified laboratory value without hydraulic fluid

TECHNICAL DATA ENCODER

SSI CANopen Profibus-DP EtherCAT Profinet

Linearity [%] ±0,05 (independent of the measurement range)

Resolution scalable (with Software) no yes

Resolution standard [Pulses/mm] [Bit]

24.5812

24.5813

Resolution maximal [Pulses/mm] [Bit] - 196.61

16

Sensor element Multiturn-Absolute-Encoder with optical disk

Connection see order code

Power supply [VDC] 10...30, with reverse polarity protection of the power supply

Current consumption (without load, 24 VDC) [mA] max. 50 max. 100 max. 120 max. 200

Protection class IP65, optional IP67

Humidity max. 90 % relative, no condensation

Temperature [°C] -20...+80

Special cables needed yes

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TECHNICAL DRAWING

detail A

32g6

ØTrelleborg Dualsealmaterial: Zurcon® Z20

Polyurethan 93 Shore A

sectional view C-C14Ø

8,4Ø

9

detail B 36H7

Ø

10H7

Ø

coupling(to connect encoder)

31

Ø20

0

45°

51,5143,5

23

70Ø

70

Ø184

Ø 173 - inner diameterof the cylinder cover

A

103,5 ±1 X

in out

B

130

132

6

8 x countersunk screwM6x16, ISO 7046

78

Ø 53

60°

6x

Ø 6,2

12

65

CC

Position rope outlet (X) at... 8 m 10 m 12 m

...start of measurement range [mm] 103.5 ± 1

...end of measurement range [mm] 115.5 ± 1 118.5 ± 1 121.5 ± 1

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TECHNICAL DRAWING CUT-OUT

detail A

15°

edge free from burrssharp edges bevelled

2

chamfer for seals

Ø 71at least

Ø 32 H8Ø 53

60°

6x

25

6 x

M8

A

assembly: encoder-couplingclamping flange, ø36

16 0-0,2

ACCESSORIES

Piston wire fixation

clip fixation

rope clip

hydraulic cylinder housing

piston

Clipfixation M8hex nut M14, DIN439

6

Ø 3,5

4036,5

max. 28 330

M 8

13

Clipfixation M14hex nut M14, DIN439

11

Ø 4

5045

max. 28

M 1

4

3,1

22

36,5

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ORDER CODE

SX200

Measurement range [m]8 / 10 / 12

Sensor without encoderDraw wire mechanics 1⁾

Sensor with encoderSSICANopenProfibus DPEtherCATProfinet

F58K

SSICANPROCATNET

Connectiondraw wire mechanics F58K

connector M23, 12 pins, radial (SSI)cable output, radial, 1 m, PVC (SSI)

cable gland, radial (CAN, PRO)2⁾connector 2 x M12, radial, 5 pins (CAN)2⁾connector 3 x M12, radial, 5 pins (PRO)2⁾

connect. 3 x M12, radial, 4 pins (CAT, NET)2⁾

-SR23KR01KVBHSR12SR12SR12

1⁾ for encoder installationEncoder requirements: clamping flange Ø 36 mm

shaft length 20 mm shaft diameter Ø 10 mm2⁾ removable bus terminal cover

ACCESSORIES

Clipfixation M8 for fixation of wire rope on piston Clipfixation M14 for fixation of wire rope on piston

Subject to change without prior notice.

WayCon Positionsmesstechnik GmbHemail: info@waycon.de internet: www.waycon.biz

Head OfficeMehlbeerenstr. 482024 TaufkirchenTel. +49 (0)89 67 97 13-0Fax +49 (0)89 67 97 13-250

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