Series 2600 System SourceMeters Reference Manual Instrument Control Library 12-47
Return to Section 12 topics 2600S-901-01 Rev. A / May 2006
localnode attributes
The attributes in this group are used to set the power line frequency, control (on/off)
prompting and control (hide/show) error messages on the display.
localnode.linefreq
Attribute Power line frequency.
Usage
frequency = localnode.linefreq -- Reads line frequency.
localnode.linefreq = frequency -- Writes line frequency.
frequency Set to 50 or 60.
Remarks
• To achieve optimum noise rejection when performing measurements at integer
NPLC apertures, the line frequency setting must match the frequency (50Hz or
60Hz) of the AC power line.
• When used in an expanded system (TSP-Link), localnode.linefreq is sent to
the Remote Master node only. Use
node[N].linefreq (where N is the node num-
ber) to send the command to any node in the system. See Section 9 for details on
TSP-Link.
• When this attribute is set, the localnode.linefreqauto attribute will be
automatically set to false.
Also see localnode.linefreqauto
Example
Sets the line frequency to 60Hz:
localnode.linefreq = 60
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