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Limit Values
The maximum and minimum values allowed for this family of programmable power supplies are
as follows:
Parameter
Voltage
Current
Delta V
Delta l
Status Reporting
This section describes the complete status model of the instrument. Note that some registers are
specific to the GPIB section of the instrument and are of limited use in an ARC environment.
The ERROR LED will be on when any error is encountered. To discover the exact cause of the
error it will be necessary to interrogate the various status and error registers which are detailed
below.
Standard Event Status and Standard Event Status Enable Registers
These two registers are implemented as required by the IEEE std. 488.2.
Any bits set in the Standard Event Status Register which correspond to bits set in the Standard
Event Status Enable Register will cause the ESB bit to be set in the Status Byte Register.
The Standard Event Status Register is read and cleared by the ∗ESR? command. The Standard
Event Status Enable register is set by the ∗ESE <nrf> command and read by the ∗ESE?
command.
Bit 7 -
Bit 6 -
Bit 5 -
Bit 4 -
Circuit
32V outputs
Logic outputs
32V outputs
Logic outputs
32V outputs
Logic outputs
32V outputs
Logic outputs
Power On. Set when power is first applied to the instrument.
Not used.
Command Error. Set when a syntax type error is detected in a command from the
bus. The parser is reset and parsing continues at the next byte in the input stream.
Execution Error. Set when an error is encountered while attempting to execute a
completely parsed command. The appropriate error number will be reported in the
Execution Error Register, as listed below:
0
no error has occurred
1-99
indicates a hardware error has been encountered.
101
maximum set voltage value for output 1 exceeded.
102
maximum set voltage value for output 2 exceeded.
103
maximum set voltage value for output 3 exceeded.
111
maximum set current value for output 1 exceeded.
112
maximum set current value for output 2 exceeded.
113
maximum set current value for output 3 exceeded.
Min.
Max.
0 V
32·00 V
4·00 V
6·00 V
0·001 A
3·100 A
1 A
0 V
1·00 V
0 V
1·00 V
0 A
1·000 A
0 A
Resolution
0·01 V
0·01 V
0·001 A
7 A
1 A
0·01 V
0·01 V
0·001 A
1 A
1 A
19
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