4 Remote Interface Reference
270 Keysight 33210A User’s Guide
The Status Byte Register
The Status Byte summary register reports conditions from the other status
registers. Data that is waiting in the function generator’s output buffer is
immediately reported on the “Message Available” bit (bit 4). Clearing an event
register from one of the other register groups will clear the corresponding bits in
the Status Byte condition register. Reading all messages from the output buffer,
including any pending queries, will clear the “Message Available” bit. To set the
enable register mask and generate an SRQ (service request), you must write a
decimal value to the register using the *SRE command.
Bit Definitions – Status Byte Register
Bit Number
Decimal
Value
Definition
0 Not Used
1 Not Used
2 Error Queue
3 Questionable Data
4 Message Available
5 Standard Event
6 Master Summary
7 Not Used
1
2
4
8
16
32
64
128
Not Used. Returns “0”.
Not Used. Returns “0”.
One or more errors are stored in the Error Queue.
One or more bits are set in the Questionable Data
Register (bits must be enabled).
Data is available in the instrument’s output buffer.
One or more bits are set in the Standard Event Register
(bits must be enabled).
One or more bits are set in the Status Byte Register (bits
must be enabled).
Not Used. Returns “0”.
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