Glossary
685
7SD5 Manual
C53000-G1176-C169-1
Earth (verb) This term means that a conductive part is connected via an earthing system to the →
earth.
Earthing Earthing is the total of all means and measures used for earthing.
Electromagnetic
compatibility
Electromagnetic compatibility (EMC) is the ability of an electrical apparatus to function
fault-free in a specified environment without influencing the environment unduly.
EMC → Electromagnetic compatibility
ESD protection ESD protection is the total of all the means and measures used to protect electrostatic
sensitive devices.
ExBPxx External bit pattern indication via an ETHERNET connection, device-specific → Bit
pattern indication
ExC External command without feedback via an ETHERNET connection, device-specific
ExCF External command with feedback via an ETHERNET connection, device-specific
ExDP External double point indication via an ETHERNET connection, device-specific →
Double-point indication
ExDP_I External double point indication via an ETHERNET connection, intermediate position
00, device-specific → Double-point indication
ExMV External metered value via an ETHERNET connection, device-specific
ExSI External single point indication via an ETHERNET connection, device-specific →
Single point indication
ExSI_F External single point indication via an ETHERNET connection, device-specific →
Transient information, → Single point indication
Field devices Generic term for all devices assigned to the field level: Protection devices, combina-
tion devices, bay controllers.
Floating → Without electrical connection to the → Earth.
FMS communica-
tion branch
Within an FMS communication branch the users communicate on the basis of the
PROFIBUS FMS protocol via a PROFIBUS FMS network.
Folder This object type is used to create the hierarchical structure of a project.
General interroga-
tion (GI)
During the system start-up the state of all the process inputs, of the status and of the
fault image is sampled. This information is used to update the system-end process
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