Slave
See "Device".
See "DP Device".
SYNC
SYNC is a control command of the DP master to a group of DP devices. SYNC is only available for
PROFIBUS.
With the SYNC control command, the DP master causes the DP device to freeze the states of the
outputs to the current value. With the following telegrams, the DP device saves the output data,
but the states of the outputs remain unchanged.
After each new SYNC control command, the DP device sets the outputs that it has saved as
output data. The outputs are not cyclically updated again until the DP master sends the UNSYNC
control command.
TC
Measuring temperatures with thermocouples (TC = thermocouple).
Termination module
The distributed I/O device is terminated with the termination module. Without a termination
module, the distributed I/O device ET 200iSP is not ready for operation.
TIA Portal
Totally Integrated Automation Portal
The TIA Portal is the key to the full performance capability of Totally Integrated Automation. The
software optimizes all operator control, machine and process sequences.
Time stamp
Information on the date and time of messages.
Time stamping
In automation engineering, the change of state of a process signal is an event. If time
information is assigned to the event, this is regarded as time stamping. The basis is the time
synchronization. The objective is to show temporal relationships between events.
Time synchronization
Time-of-day synchronization ensures that all clocks in a plant have the same time. A master clock
distributes the time in a congurable cycle to all other components in the automation system
that have a clock. The components use this time to set their own clocks.
Glossary
ET 200iSP
Operating Instructions, 11/2022, A5E00247483-AK 471
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