Siemens SINUMERIK 840 sl, Руководство пользователя

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Emergency stop button
Rated voltage 24 VDC
Current rating, max. 3 A
Current rating, min. 1 mA
Switching capacity DC 13 according to EN 60947-5-1
Conditional rated short-circuit current 10 A gL/gG according to EN 60947-5-1
B
10d
500000
Note
The quantitative assessment of the emergency stop safety function must be based on the
B
10d
values corresponding to the used standards (e.g. ISO 13849-1) under consideration of
the respective application (frequency of the actuation, service life, diagnostics by the evaluation
unit, etc.). The B
10d
values only apply when the technical properties of the emergency stop
button are taken into account.
9.1 Supplementary electrical conditions
9.1.1 Power supply
Requirements for DC power supplies
WARNING
Electric shock due to connection of an unsuitable power supply
When equipment is connected to an unsuitable power supply and/or insufficiently grounded
or rear cover (Page 35), exposed components may carry a hazardous voltage that might
result in serious injury or death.
● Only use power supplies that provide SELV (Safety Extra Low Voltage) or PELV
(Protective Extra Low Voltage) output voltages acc. to UL 61010 for all connections and
terminals of the electronics modules.
Technical data
9.1 Supplementary electrical conditions
Machine control panel: MCP 398C
Manual, 07/2018, A5E43199783B AB
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