STATus Command
PCR-WE Interface Manual
225
QUEStionable status register
The QUEStionable status register is a 16-bit register that stores information related to
the product
ʼ
s status and the questionable events that occur during product operation.
The QUEStionable status register bits may indicate that there are problems with the
product
ʼ
s measured data.
Bit Bit
weight
Bit name
Description
0
1
OV (Over Voltage Protec-
tion)
Overvoltage protection activated
1
2
OC (Over Current Protec-
tion)
Overcurrent protection activated
2
4
HWF (Hardware Failure)
Device error occurred
3
8
LV (Low Voltage Protection) Undervoltage protection activated
4
16
OT (Over Temperature Pro-
tection)
Overheat protection activated
5
32
WDOG (Watchdog protec-
tion)
Communication monitoring activated
6
64
OC2 (Over Current Protec-
tion)
Overcurrent internal semiconductor protection acti-
vated
7
128
UNSYNC (FREQuency syn-
cronisation fault)
Sync function error occurred
8
256
OP (Over Power protection) Overpower protection activated
9
512
SD (SHUTDOWN)
Forced output shutdown
10 1024 CL-PEAK (Current Limit on
PEAK)
Current limit control activated
11 2048 PL(Power Limit)
Power limit activated
12 4096 CL-RMS(Current Limit on
RMS)
TRIP ENABLE: Overload judgment in progress
TRIP DISABL: Output voltage control in progress
13 8192 INSTrument Summary
Summary bit of the QUEStionable:INSTrument
subregister
14 16384 Not Used
Not used
15 32768 Not Used
Always 0.
