Safety symbols
13
Icon
Explanation
Direct current
The equipment is only suitable for direct current. Used for marking cor‐
responding terminals.
Protective conductor connec‐
tion
For marking the connection for an external protective conductor for pro‐
tecting against electrical shock in the event of an error or for a connect‐
ing terminal of the external protective conductor.
Ground
To identify the functional grounding.
General warning symbol
The documentation must be consulted in any scenario where the sym‐
bol is affixed in order to find out the type of potential hazard and the
actions required to avoid the risk.
NCU 1760
Equipment Manual, 02/2020, A5E45627861B AB
155
Summary of Contents for SINUMERIK ONE NCU 1760
Page 8: ...Table of contents NCU 1760 8 Equipment Manual 02 2020 A5E45627861B AB ...
Page 36: ...Description 3 5 Dual fan module NCU 1760 36 Equipment Manual 02 2020 A5E45627861B AB ...
Page 154: ...Spare parts accessories 12 2 SD card NCU 1760 154 Equipment Manual 02 2020 A5E45627861B AB ...
Page 156: ...Safety symbols NCU 1760 156 Equipment Manual 02 2020 A5E45627861B AB ...