Model 6487 Reference Manual
Range, Units, Digits, Rate, and Filters
4-7
To change the rate setting, press (and release) the RATE key until the desired rate annunci-
ator (SLOW, MED, or FAST) is displayed.
NPLC Menu
— From this menu you can set rate by setting the PLC value. Perform the
following steps to set NPLC:
1.
Press CONFIG / LOCAL and then RATE to display the present PLC value.
2.
Use the ,
, , and
keys to adjust to the desired PLC value. Valid values are:
60Hz operation: 0.01 to 60
50Hz operation: 0.01 to 50
3.
Press ENTER.
klqb
The SLOW, MED, or FAST annunciator will only turn on if the set PLC value
corresponds exactly to the slow (5 or 6 PLC for the respective frequency of 50 or
60Hz), medium (1 PLC), or fast (0.1 PLC) integration rate. For example, with
the integration rate set to 2 PLC, none of the rate annunciators will turn on.
SCPI programming — rate
contains the path and the command to set rate.
Programming example — rate
The following command sets the integration rate for all measurement ranges to 2 PLC:
CURR:NPLC 2
' Set integration rate to 2 PLC.
Table 4-4
SCPI commands — rate
Command
Description
Default
[:SENSe]
[:CURRent]
:NPLCycles <n>
SENSe Subsystem:
Specify integration rate: 0.01 (PLCs) to
60.0 (60Hz) or 50.0 (50Hz)
6.0 (60Hz)
5.0 (50Hz)
