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Glossary
SYNC
SYNC is a
With the SYNC control command, the DP master causes the DP slave to
freeze the outputs at their instantaneous values. In the messages that follow,
the output data from the DP slave are stored but the states across the outputs
remain unchanged.
After every new SYNC control command, the DP slave sets the outputs with
the data which it has stored as output data.
The outputs are not periodically updated again until the DP master sends the
UNSYNC control command.
T
Type file
A file which the COM ET 200 Windows configuration software requires for
configuring a DP slave. The type file defines slave-specific characteristics
such as the number of inputs and outputs, number of diagnostic bytes,
FREEZE and SYNC compatibility, etc.
For every Siemens station type there is a type file which is compiled by Sie-
mens and is a component part of COM ET 200 Windows.
U
UNFREEZE
UNSYNC
Glossary-6
control command of the DP master to a group of DP slaves.
FREEZE
SYNC
Distributed I/O System DP/ASi Link
EWA 4NEB 710 6055-02b
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