Keithley 2016 - TRG - Trigger; TST?-Self-Test Query; Figure 4-16 Status Byte Register

*TRG — Trigger Send bus trigger to 2016
Description
Use the *TRG command to issue a GPIB trigger to the Model 2016. It has the same effect as
a group execute trigger (GET).
Use the *TRG command as an event to control operation. The Model 2016 reacts to this
trigger if BUS is the programmed control source. The control source is programmed from the
TRIGger subsystem (see Section 5).
*TST?-Self-Test Query Run self test and read result
Description
Use this query command to perform a checksum test on ROM. The command places the
coded result (0 or 1) in the Output Queue. When the Model 2016 is addressed to talk, the coded
result is sent from the Output Queue to the computer.
A returned value of zero (0) indicates that the test passed, and a value of one (1) indicates that
the test has failed.
Fi
gure
4
-
16
Status byte register
B7 B6 B5 B4 B3 B2 B1 B0
(2 ) (2 )
6
(2 )
5
(2 )
4
(2 )
3
(2 )
2
(2 )
0
32
0/1
Bit Position
Event
Decimal Weighting
Value
Value : 1 = Event Bit Set
0 = Event Bit Cleared
Events : OSB = Operation Summary Bit
MSS = Master Summary Status
RQS = Request Service
ESB = Event Summary Bit
MAV = Message Available
QSB = Questionable Summary Bit
EAV = Error Available
MSB = Measurement Summary Bit
OSB ESB MAV QSB EAV
0/1 0/1 0/1 0/1
128 16 8 4
MSS,
RQS
64
0/1
MSB
1
0/1
7
Remote Operation 4-45