6243/44 DC Voltage Current Source/Monitor Operation Manual
6.4.3 Status Byte in TR6143 Mode
6-20
6.4.3 Status Byte in TR6143 Mode
The status byte in the TR6143 Mode can be switched between Level 0 and Level 1 by the S2/S3 command.
Table 6-6 shows the meaning of each bit in the Status Byte Register for Level 0 and Level 1, respectively.
Table 6-6 Status Bytes in the TR6143 Mode
bit
Function definition Description
Level 0 (S2)
Level 1 (S3) Level 0 (S2) Level 1 (S3)
7OPERATE OFF
ON: When an external operation off signal input is detected, bit 7 is set to 1.
OFF: When the status byte is read out with the serial poll, bit 7 is set to 0.
6SRQ
ON: Status byte bits 0 to 7, which are not masked using the MS command, are
set to 1.
Accordingly, bit 6 is set to 1. If the service request is set to ON at this
point, SRQ is sent.
OFF: When the status byte is read out with the serial poll, bit 6 is set to 0.
5 TRIGGER IN
ON: When the external trigger signal input is detected, bit 5 is set to 1.
OFF: When the status byte is read out with the serial poll, bit 5 is set to 0.
4Not used.
Always 0.
3 SWEEP
END
BUFFER
FULL
ON: When the sweep repeats once, bit
3 is set to 1 when the sweep is
completed.
ON: When the measurement buffer
memory is full, bit 3 is set to 1.
OFF: When the sweep starts, the source
mode is changed, and the status
byte is read out
with the serial poll, bit 3 is set to
0.
OFF: While the measurement buffer
memory is unfilled, bit 3 is 0.
2 RECEIVE
READY
MEASURE
END
ON: When the command is ready to be
received, bit 2 is set to 1.
ON: When the measurement is
completed, bit 2 is set to 1.
OFF: When the command is received
and the status byte is read out
with the serial poll, bit
2 is set to 0.
OFF: When the measurement starts
and measurement data is read
out, bit 2 is set to 0.
1 SYNTAX
ERROR
ON: Bit 1 is set to 1 when:
An unknown remote command is received.
A remote command syntax error occurs.
A remote command argument error occurs.
and A remote command execution error occurs.
OFF: When correct remote command are received up to the block delimiter, bit 1
is set to 0.
0LMT/OSC
ON:
When the limiter and oscillation are detected, bit 0 is set to 1.
OFF:
When the limiter detection status and oscillation detection status are
cleared, bit 0 is set to 0.
• The Status Byte Register is cleared by the C command and when the power is turned OFF and ON.
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