Pendulum CNT-91 - Measurement Time and Rates; What is Arming?

n
Operation Status Group
This group reports the status of the coun
-
ter measurement cycle.
Bit 8 (weight 256) — Measurement
Stopped (MSP)
This bit shows that the counter is not mea-
suring. It is set when the measurement, or
sequence of measurements, stops.
Bit 6 (weight 64) — Wait for Bus Arm
-
ing (WFA)
This bit shows that the counter is waiting
for bus arming in the arm state of the trig
-
ger model.
Bit 5 (weight 32) — Waiting for Trigger
and/or External Arming (WFT)
This bit shows when the counter is ready
to start a new measurement via the trigger
control option (488.2), for the shortest
possible trigger delay. The counter is now
in the wait for the trigger state of the trig
-
ger model.
Bit 4 (weight 16) — Measurement
Started (MST)
This bit shows that the counter is measur
-
ing. It is set when the measurement or se
-
quence of measurements starts.
n
Summary, Operation Status
Reporting
:STAT:OPER:ENAB
Enable reporting of Operation Status in
the status byte.
*SRE 128
Enable SRQ when operation status has
someting to report.
:STAT:OPER?
Reading and clearing the event register of
the Operation Status Register structure
:STAT:OPER:COND?
Reading the condition register of the Op-
eration Status Register structure.
Using the Subsystems
Status Subsystem 6-19
6
8
54 0
Operation Status Group
ST ATus : OPERa t i o n: CONDi t i o n?
STATus : OPERa t i on: EVENt ?
MSP
WFT MST
WFA
15
1632
256 64
Measurement stopped
Waiting for arming
Waiting for triggering
Measurement started
Figure 6-7 Bits in the Opeation Sta-
tus Register.