Spool Position Indicator
HLS 200
Key features                                  Technical data
The rugged design of HLS 200 results          Sensor data
in several unique features. For example
it fulfils the safety regulations according   Max. spool stroke:                       +/- 7 mm
to ISO 13849 at performance level             Nominal switching points:                ± 0.5 mm
“d” as well as the high accuracy and
                                              Hysteresis:                              ~ 0.01 mm
repeatability in the switching points.
                                              Start up time:                           < 50 ms
The operation principle of HLS 200 is
                                              Response time:                           < 10 ms
based on light sensor technology; two
opto-pairs are used in order to sense the     Response time sensor error condition:    < 100 ms
position of a rod with a detection flag in     Functional safety:                       PL = 'd', ISO 13849
direct contact to the spool. Special care
has been given to the electronic circuit      Electrical data
and components to assure a reliable and       Supply voltage Ucc:                      9 – 36 V DC
stable operation performance, such as         Current consumption excluding outputs:   < 25 mA
a fast response time and a low current
consumption.                                  Output voltage high level:               > (+Ucc-2V)
                                              Output voltage low level:                < (GND+1V)
The basic function of HLS 200 is to
sense the neutral spool position, and if      Current per output:                      max. 50 mA
the spool is moved out of neutral position    Resistive load per output to GND:        < 3.3 kΩ
and into which direction it is moved.
                                              Capacative load per output to GND:       < 33 nF
The corresponding signals from the two
outputs are used by the superior safety       Environmental conditions
system as required by the application.        Operating temperature range:             - 30 °C to + 60 °C
In case of a sensor error condition both      Protection class:                        IP67, EN 60529
outputs are will be at low level.             Temperature cycling:                     - 40 °C to + 60 °C – IEC 60068-2-14
                                              Damp heat cycling:                       +25 °C to + 60 °C at 95 % rH – IEC 60068-2-30
                                              Corrosion protection:                    96H – ISO 9227
                                              Vibration:                               l   Broadband IEC60068-2-64fh
                                                                                       l   Shock IEC60068-2-27ea
                                                                                       l   Free fall 1 m
                                                                                       l   IEC60068-2-32Ed
                                              Electomagnetic compability (EMC):        l   EN 61000-6-1 / 2 / 3 / 4
                                                                                       l   ISO 10605
                                                                                       l   ISO 7637-2, ISO 7637-3
                                                                                       l   ISO 11452-2, ISO 11452-4
                                                                                       l   EN 13309
                                                                                       l   EN 55025
                                              Electrical connectors
                                              M12x1 (4 pole)
                                              DT-04 (4 pole)
                                                                                                                                       33-02-HLS200-02 /11.12
                                                                                                                                          1
                         Dimensions
                         Type 1: M12 x 1                                   Type 2: DT-04
                                                                                                                     48.9
                                                                                                                47
                                      38
                                                        Ø 27.2                             Ø 27.2
                                                         43.4
                                                                                            43.4
                                                         35.5
                                                                                            35.5
                                      32.2
                                                                              32.2
                                                                                     1                      2
                                             4                         3
                                                    1           2                    4                      3
                                                            Connection                       Connection
                                                            M12x1 4-pole                     DT-04 4-pole
                         Connector
                         Pin 1                   + Ucc
                         Pin 2                   Out (spool out (+))
                         Pin 3                   GND
                         Pin 4                   Out (spool in (-))
33-02-HLS200-02 /11.12
      2
Function
For the spool in neutral position (I) both
outputs O2 and O4 will be at high level.
If the spool out of neutral position in
direction to spool in (III) O4 will be at low
level and O2 at high level.
When the spool is out of neutral position
in direction to spool out (II) O2 will be at
low level and O4 at high level.
In case of an sensor error condition                                                              Symbol
both O2 and O4 will be at low level
simultaneously.
 High output pin 4
 Output pin 4                                                                                    transition
                                                                                                   range
 Low output pin 4
                                                     spool out                neutral spool position          spool in
 High output pin 2
 Output pin 2                                                          transition
                                                                         range
 Low output pin 2
Typical interface towards a directional valve
                                                      HLS 200 assembled on a RS 210
                                                      sectional directional control valve.
                                           HLS 200
                          Rod with
                          detection flag
                                                                                                                         33-02-HLS200-02 /11.12
                                                                                                                            3
                                                 Note
                                                 The information in this brochure
                                                 relates to the operating conditions
                                                 and applications described.
                                                 For applications or operating
                                                 conditions not described, please
                                                 contact the relevant technical department.
                                                 Subject to technical modifications.
33-02-HLS200-02 /11.12
                                   Head Office   Industriegebiet
                         HYDAC INTERNATIONAL     66380 Sulzbach/Saar
                                       GMBH      Germany
                         		                      Phone: +49 6897 509 - 01
                         		                      Fax:+49 6897 509 - 577
                         		                      E-mail: mobilevalves@hydac.com
                         		                      Internet: www.hydac.com