RTC
®
4 PC Interface Board
Rev. 1.3 e
4 Principle Of Operation
39
innovators for industry
Querying Data
Data received by the RTC
®
4 can be read
asynchronously at any time via the commands
the command
command references). Please note that switching of
the data source is followed by a short (serial
transmission-related) delay before the first data is
transmitted. Therefore, after switching data sources
you should wait at least 50
µ
s before reading.
The value ranges of transmitted data and the
possible status states are described in the command
reference of the
command.
Note:
Together with an intelli
SCAN
®
scan system, the
command can only be used to get the
status signals (Statusword) directly after a new start or reset
or when the Statusword is selected to be transmitted by the
scan system via the