Status Register
Copyright© Itech Electronic Co., Ltd.
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Chapter 2 Status Register
2.1 Status Register Definition
You can get the current status of the power supply by reading the status
registers. The power supply records the different status of the instrument
through the four status register group. The four status register groups are:
Questionable Status Register, Operation Status Register, Standard Event
Register and Status Byte Register. Status Byte Register records the
information of the other status register.
The following table describes the status signals.
BIT Signal
Meaning
0
1
2
3
CAL
LIST
SURGE
DIMMER
Operation Status Register
The power supply is under calibration.
The power supply is running the list program.
The power supply is waiting for a trigger.
The power supply is running the surge trap.
The power supply is running the dimmer.
0
1
2
3
4
5
6
7
OVPrms
OVPpeak
UVPrms
OCPrms
OCPpeak
OPP
FAN
OT
Questionable Status Register
Output is disabled by the over-voltage protection. RMS
Output is disabled by the over-voltage protection. PEAK
Output is disabled by the under-voltage protection. RMS
Output is disabled by the over-current protection. RMS
Output is disabled by the over-current protection. PEAK
Output is disabled by the over-power protection.
Fan protection.
Output is disabled by the over-temperature protection.
0
2
3
4
5
7
OPC
QYE
DDE
EXE
CME
PON
Standard Event Register
All commands before and including *OPC have been executed.
The instrument tried to read the output buffer but it was empty, a new
command line was received before a previous query has been read, or
both the input and output buffers are full.
A device-specific error, including a self-test error, calibration error or other
device-specific error occurred.
An execution error occurred.
A command syntax error occurred.
Power has been cycled since the last time the event register was read or
