Hyd-Mech S-20DS, Руководство по эксплуатации и обслуживанию, Страница: 24 / 138

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Use and maintenance manual S--20DS
7. programming and control panel mounted on an articulated, adjustable arm,
so that the operator is always at a safe distance from moving components.
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2
1
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Electrical equipment
In accordance with Italian standard CEI 60204---1, April 1998, derived from
European Standard EN 60204---1 publication IEC 204---1, 1997:
H
Access to electrical control panel limited by screws and panel---lock device,
allowing panel to be opened only after the electricity supply has been turned
off;
H
24 Vac Control voltage for actuators, in accordance with chapter 6 or Euro-
pean Standard ”Control and indication circuits”, paragraph 2 ”Control Cir-
cuits” sub---section 1 ”Preferential voltage values for control circuits”;
H
plant short---circuit protection by means of rapid fuses, earthing of all plant
parts connected with work as well as all foreseeable accidental contact; a ther-
mal---magnetic overload cutout switch shuts down the motor;
H
protection from accidental start---up by a minimum voltage relay in case of
power failure.