Philips PM2811 Power Supply User Manual


 
Usin
g
your Pro
g
rammable Power Supply 5 - 19
The overvolta
g
e protection level OVP
set
can be pro
g
rammed by the SOURCE
subsystem command: [:SOURce]:VOLTa
g
e:PROTection[:LEVel]
The overvolta
g
e protection level OVP
set
can be requested by the SOURCE
subsystem query: [:SOURce]:VOLTa
g
e:PROTection[:LEVel]?
Example:
Send :VOLT:PROT 7 Set 7V protection level.
Send :MEAS:PROT? Send readback query.
Read meas_over_volta
g
e Read overvolta
g
e protection level.
Print meas_over_volta
g
e Display overvolta
g
e protection level.
The overcurrent protection can be enabled/disabled by the SOURCE subsystem command:
[:SOURce]:CURRent:PROTection:STATe
Example:
Send :CURR:PROT:STAT ON Enable overcurrent protection.
Send :CURR:PROT:STAT OFF Disable overcurrent protection.
5.5.4 Store/recall function
Your pro
g
rammable power supply has a recall memory (battery backed up) to be
used for storin
g
and recallin
g
volta
g
e and current settin
g
s of all output channels.
The battery back up feature ensures that the stored values will be kept in memory
durin
g
power-off. The recall memory consists of 999 addresses, numbered from
1 to 999. A recall memory address contains space for the volta
g
e and current
settin
g
of all available output channels.
volta
g
e 1
volta
g
e 2
volta
g
e 998
volta
g
e 999
current 1
current 2
current 998
current 999
address 1
address 2
address 998
address 999
output channel 3
output channel 2
output channel 1