TDK-Lambda GH10-150 - Page 111

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*ESR?
Query Returns the value of the Standard Event Status Event register. The Event
register is a read-only register, which stores (latches) all standard events.
Reading the Standard Event Status Event register clears it.
Bit configuration of the Standard Event Status Event register is as follows:
Position
7
6
5
4
3
2
1
0
Value
128
-
32
16
8
4
-
1
Name
PON
-
CME
EXE
DDE
QYE
-
OPC
PON – Power ON
Set to “1” when power is ON (set
once at power up).
CME - Command Error
Set to “1” when command syntax is
incorrect.
EXE - Execution Error
Set to “1” when command syntax is
correct, but the command cannot
be executed in the current state
(i.e. parameters are outside of the
setting range).
DDE – Device Dependent Error
Set to “1” when command execution is
not possible due to an internal
problem in the instrument that is not a
command error or an execution error.
QYE - Query Error
Set to “1” if the output queue is empty
or if the data is missing even after a
query has been sent.
OPC - Operation Complete
• *CLS (Clear Status) command clears all the bits in the Standard Event
Status Event register.
• Once a bit is set in the Standard Event Status Event Register, it remains
set until it is cleared by a query or *CLS.
Returns
<NR1> 0…255
*IDN?
Query Returns a unique power supply identification code.
The unique identification code is a string that is separated by three ",".
The string includes manufacturer, model number, type of installed option, serial
number and Interface firmware revision.
Returns
<SRD>
Example
TDK-LAMBDA,GH100-50-GPIB,12345-123456,G:01.000
*OPC
Function Sets Operation Complete (bit 0) in the Standard Event Status Event Register at
the completion of the current operation.
Query *OPC?
Commands cannot be executed until this command completes.
This query returns 1 to the output buffer after all pending commands complete.
Returns
<SRD>