SIMATIC PCS 7
PCS 7 is a powerful process control system with integrated programming, operating and
monitoring functions. It allows direct connection to PCS 7. For further information, refer to the
St 70 Catalog and the integrated PCS 7 Online Help.
SIMATIC PDM
SIMATIC PDM (Process Device Manager) is a versatile tool for configuring, setting
parameters, commissioning, and diagnostics of intelligent process devices from any vendor.
SIMATIC PDM provides a uniform user interface for the configuration of a wide range of
process devices.
Slave
A slave can only exchange data with a master after it has been requested to send data by that
master. Slaves include all DP slaves such as the ET 200X, ET 200M, ET 200S, ET 200iSP,
etc.
SYNC
This is a control command from the DP master to a group of DP slaves.
With the SYNC control command, the DP master causes the DP slave to freeze the current
states of the outputs. With the subsequent frames, the DP slave stores the output data, but
the states of the outputs remain unchanged.
After each new SYNC control command, the DP slave sets the outputs that it has stored 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).
Terminating module
The ET 200iSP distributed I/O station is terminated by the terminating module. The ET 200iSP
will not work without a terminating module.
Time stamp
Information on the date and time of messages.
Time stamping
Function used to time stamp binary input signals when these change. All the binary input
signals selected for time stamping must be time stamped with a specified accuracy throughout
the system when they change, i.e. when two transducers on different stations of different
Glossary
ET 200iSP
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Operating Instructions, 11/2017, A5E00247483-07
