Operating Manual 1505.3896.12 - 14 140
Set instrument’s parameters
Stores data durable on compact flash or loads data from flash
Provides hardware information of the system
6.3 The R&S OSP Command Processing
The block diagram below shows how remote control commands are serviced in the
instrument. The instrument model consists of the following components:
● Input Unit
● Command Recognition
● Data Base and Instrument Hardware
● Status Reporting System
● Output Unit
The individual components work independently and simultaneously. They
communicate with each other by means of so-called "messages".
6.3.1 Input Unit
The input unit receives commands character by character from the controller and
collects them in the input buffer. The input unit sends a message to the command
recognition as soon as the input buffer is full or as soon as it receives a delimiter,
<PROGRAM MESSAGE TERMINATOR>, as defined in IEEE 488.2, or the interface
message DCL.
If the input buffer is full, the message data traffic is stopped and the data received up
to then is processed. Subsequently the traffic is continued. If, however, the buffer is
not yet full when receiving the delimiter, the input unit can already receive the next
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