Keithley 6517B

Section 12: Common commands Model 6517B Electrometer Reference Manual
12-12 6517B-901-01 Rev. C / August 2015
The service request enable register is shown in the table below. Notice that the decimal weight of
each bit is included in the illustration. The sum of the decimal weights of the bits that you wish to set
is the value that is sent with the *SRE command.
The contents of the service request enable register can be read using the *SRE? query command.
Service request enable register
Bit position B7 B6 B5 B4 B3 B2 B1 B0
Event
OSB — ESB MAV QSB EAV — MSB
Decimal
Weighting
128
(2
7
)
—
32
(2
5
)
16
(2
4
)
8
(2
3
)
4
(2
2
)
—
1
(2
0
)
Value
0/1 — 0/1 0/1 0/1 0/1 — 0/1
Values are:
 1 = Enable Service Request Event
 0 = Disable (Mask) Service Request Event
Events are:
 OSB = Operation Summary Bit
 ESB = Event Summary Bit
 MAV = Message Available
 QSB = Questionable Summary Bit
 EAV = Error Available
 MSB = Measurement Summary Bit
Example
*SRE 34
Set the ESB and MAV bits of the service request
enable register, where:
 ESB (Bit B5)
 MAV (Bit B4)
 <NRf> = 48
Also see
None