Viavi PSD90-3 - Megger Select Switch (DCMODE

Chapter A Appendix A: RCI commands
Front Panel Switch Control
FINAL PSD90-3 Universal AC/DC Fuel Quantity Test Set Operation Manual 22166183 R001
A - 48 Subject to Export Control; see Cover Page for details. March 2023
A.4.5 Megger Select Switch (DCMODE)
Co mmand :SWITCH:MEGGER:DCMODE:SET <left>, <right>
De s cript ion Overrides the current Megger Select Switch.Parameters <left>
and <right> will define the overri de posi tion. will accept the AC
Mode descriptions of the positions . The override condition will
stay in effect until remote mode is left.
Para m ete rs <left> Of the two parameters, <left> represents the text on the
left side of the “/” on the swit ch. Valid values:
– LO-Z
– GND
– HI-Z
– SHIELD
– COMP
<right> Of the two parameters, <right> represents the text on the
left side of the “/” on the swit ch. Valid values:
– LO-Z
– GND
– HI-Z
– SHIELD
– COMP
Ex a mple :SWITCH:MEGGER:DCMODE:SET LO-Z, GND
Co mmand :SWITCH:MEGGER:DCMODE:READ?
De s cript ion Command will read the physical position of the Meg
Mode/Simulation Mode Switch.
Res p onse The current physical position. This may be different from the
current operating position. Returned values:
– LO-Z,DC+
– LO-Z,DC-
– DC+,DC-
– DC-,DC+
– LO-Z,GND
– DC+,GND
– GND,DC-
– LO-Z,SHIELD
– SHIELD,DC+
– SHIELD,DC-
– GND,SHIELD
– INVALID — The unit is not reading a valid switch position.
Re spons e Ex a mpl e LO-Z,DC+