S530/S540 KTE Linear Parametric Test Library (LPTLib) User's Manual Section 3:
S530-900-01 Rev. E / September 2017 3-41
kibsplw
This command synchronously serial polls an instrument connected to the GPIB interface.
Usage
int kibsplw(int pri_addr, int sec_addr, unsigned int timeout, int *serial_poll_byte);
The primary address of the instrument (0 to 30)
The secondary address of the instrument (0 to 31; if the instrument device does not
support secondary addressing, this parameter must be
−
The GPIB polling timeout in 100 ms units (for example, a timeout of 40 = 4.0 s)
The serial poll status byte variable name returned by the device presently being
polled
Details
This command waits for SRQ to be asserted on the GPIB by any device. After SRQ is asserted, a
serial poll sequence is initiated for the device and the serial poll status byte is returned.
The kibsplw command does the following:
1. Waits with timeout for general SRQ assertion on the GPIB.
2. Calls the kibspl command.
Also see
kibspl (on page 3-40)
limitX
This command allows the programmer to specify a current or voltage limit other than the default limit of the
instrument.
Usage
int limiti(int instr_id, double limit_val);
int limitv(int instr_id, double limit_val);
The instrument identification code of the instrument on which to impose a source
value limit;
n,
n
The maximum level of the current or voltage; see Details
Details
The parameter limit_val is bidirectional. For example, the command limitv(SMU1, 10.0) limits
the voltage of the current source SMU1 to ±10.0 V. The command limiti(SMU1, 1.5E-3) limits
the current of the voltage source SMU1 to ±1.5 mA.
Use the limiti command to limit the current of a voltage source. Use the limitv command to limit
the voltage of a current source.
If the instrument is ranged below the programmed limit value, the instrument will temporarily limit to
full scale of range.
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