Hydac EDS 300 Bedienungsanleitung PDF herunterladen (Seite 2)

1. Functions of the EDS 300

Depending on the model, the unit offers the following functions:

• Display of the actual pressure, maximum value or a switching point.

• Switching the switching outputs according to the pressure and the pre-set switching

parameters.

• Analogue output

• Menu for basic settings (adapting the EDS 300 to the particular application)

• Two different types of programming enable

Three different output models are available:

• EDS 300 with 1 switching output (1.2 A load capacity, no analogue output)

• EDS 300 with 2 switching outputs (1.2 A load capacity, no analogue output)

• EDS 300 with 1 switching output (1.2 A load capacity) and 1 analogue output (4...20 mA)

2. Mounting

The EDS 300 can be mounted directly onto a hydraulic block via the pressure connection

(7/16 SAE 4 female).

When used in critical applications (e.g. strong vibrations or knocks) the pressure connection

must be mechanically decoupled via a Minimess hose. Mounting clamps are available as an

accessory (see point 12.2 "Accessories - for mechanical connection").

The electrical connection should be carried out by a qualified electrician according to the

relevant regulations of the country concerned (VDE 0100 in Germany). The pressure switch

housing must be earthed properly at the same time. When fitted into a hydraulic block it is

sufficient if the block is earthed via the hydraulic system. In the case of Minimess hose-

mounting, the housing must be earthed separately.

Additional assembly notes which, from experience, reduce the effect of electromagnetic

interference:

• Make line connections as short as possible.

• Use screened lines (e.g. LIYCY 4 x 0.5 mm

)

• The cable screening must be fitted by qualified personnel subject to the ambient

conditions and with the aim of suppressing interference.

• Direct proximity to connecting lines of user units or electrical or electronic units causing

interference must be avoided as far as possible.

3. Operating keys on the membrane keypad

4-digit

keys for setting switching

digital display

additional functions

HYDAC EDS 300

SP1 SP2

mode

points, switch-back points and

PSI

4. Digital display

1 2 3 4 5 6 7 ... 13 14

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