Chroma 16502 - Page 49

Descriptions of GPIB Interface (Commands Same as RS232 Interface)
5-15
(3) Command: TRIGger:EDGE {FALLing|RISIng}
Function: It sets or queries the selection of falling and rising trigger.
Parameter: FALLing Falling trigger
RISIng Rising trigger
Return: The query returns FALL|RISI.
(4) Command: TRIGger[:IMMediate]
Function: Whatever the measurement status at present to trigger for measuring.
Parameter: None
Return: None

STATus Command Set
(1) Command: STATUs:OPERation:EVENt?
Function: It returns the text of event register of operation status group.
Parameter: None
Return: The query returns <NR1>.
(2) Command: STATUs:OPERation:ENABle <NR1>
Function: It sets or queries the enable register comment of operation status group.
Parameter: The decimal expression of register text is <NR1>0~255.
Return: The query returns <NR1>.
(3) Command: STATUs:PRESet
Function: It clears the event register of operation status group as well as enables the
text of register.
Parameter: None
Return: None

SYSTem Command Set
(1) Command: SYSTem:BEEPer[:IMMediate]
Function: The beeper beeps at once.
Parameter: None
Return: None
(2) Command: SYSTem:BEEPer:MODE {LARGe | SMALl | OFF}
Function: It sets or queries if the beeper is enabled.
Parameter: LARGe Enable the beeper in LARGE volume mode.
SMALL Enable the beeper in SMALL volume mode.
OFF Disable all beepers including error beeps.
Return: The query returns LARGE, SMALL or OFF.
(3) Command: SYSTem:MDELay <NR2>}
Function: It sets or queries the time delayed for measurement.
Parameter: <NR2> 0.000S ∼ 100.0S
Return: The query returns <NR3>.
(4) Command: SYSTem:LFRequency {50 | 60}
Function: It sets or queries the operating frequency of 16502.
Parameter: 50 indicates the frequency is 50Hz.
60 indicates the frequency is 60Hz.
Return: The query returns 50 or 60.
(5) Command: SYSTem:HANDler {CLEAr|HOLD}
Function: It sets or queries the HANDLER state.
Parameter: CLEAR It clears the previous test result before executing
measurement.
HOLD It holds the test result and change until different result
appears.