Keithley S46 Instruction Manual page 64

S46/S46T Microwave Switch System Instruction Manual
The Service Request Enable Register is shown in
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. For example, to set
the ESB and MAV bits of the Service Request Enable Register, send the following
command:
Where:
The contents of the Service Request Enable Register can be read using the *SRE? query
command.
Figure 3-10
Service request enable register
Decimal Weighting
ESB (bit B5) =
MAV (bit B4) = __16
<NRf> =
Bit Position B7 B6
Event
Value
Event: ESB = Event Summary Bit
MAV = Message Available Bit
EAV = Error Available
MSB = Measurement Summary Bit
Value: 1 = Enable Service Request Event
0 = Disable (Mask) Service Request Event
Figure 3-10. Notice that the decimal
32
48
B5 B4 B3 B2
ESB MAV EAV
32 16 4
5 4 2
(2 ) (2 ) (2 )
0/1 0/1 0/1
Operation
B1 B0
S46-901-01 Rev. C / January 2006
3-29