DP slaves can be the distributed I/O devices ET 200M, ET 200X, ET 200L, ET 200S, ET
200iSP, or DP slaves from Siemens or other vendors.
Flutter monitoring
Flutter monitoring is a process control function for digital input signals. Flutter monitoring
detects and reports unusual signal profiles.
FREEZE
This is a control command from the DP master to a group of DP slaves.
When a DP slave receives the FREEZE control command, it freezes the current status of the
inputs and transfers them cyclically to the DP master.
After each subsequent FREEZE control command, the DP slave freezes the status of the
inputs again.
The input data is not transferred from the DP slave to the DP master cyclically again until the
DP master sends the UNFREEZE control command.
Ground
The electrical potential of conductive ground can be pulled down to zero at any point. In the
vicinity of ground connections, ground may assume a potential other than zero. For this reason,
the term ”reference ground” is often used.
Grounding
Refers to connecting a conductive element to ground via a grounding system.
Grounding busbar PA
Term describing the connection of electrical equipment operated in hazardous areas to the
equipotential busbar.
GSD file
The GSD file (device master file) contains all the features specific to a DP slave. The format
of the GSD file is defined in
IEC 61784-1:2002 Ed1 CP 3/1.
HART
engl.: Highway Adressable Remote Transducer
Hot swapping
Refers to the removal and insertion of modules while ET 200iSP is in RUN mode.
Glossary
ET 200iSP
Operating Instructions, 11/2017, A5E00247483-07
367
Содержание SIMATIC ET 200iSP
Страница 82: ...Configuration options 3 18 Redundancy with IM 152 ET 200iSP 82 Operating Instructions 11 2017 A5E00247483 07 ...
Страница 184: ...Commissioning and Diagnostics 6 8 Diagnostics with STEP 7 ET 200iSP 184 Operating Instructions 11 2017 A5E00247483 07 ...
Страница 194: ...Maintenance 7 7 Reading service data ET 200iSP 194 Operating Instructions 11 2017 A5E00247483 07 ...
Страница 220: ...Terminal modules 9 6 Terminal module TM RM RM ET 200iSP 220 Operating Instructions 11 2017 A5E00247483 07 ...
Страница 372: ...Glossary ET 200iSP 372 Operating Instructions 11 2017 A5E00247483 07 ...
Страница 384: ...Index ET 200iSP 384 Operating Instructions 11 2017 A5E00247483 07 ...