Fig.5-6: Daisy-chain connection
Fig.5-5: Parallel operation with Remote sensing
It is possible to configure a multiple power supply system to shut down all the units when a fault cond
tion occurs in one of the units. When the fault is removed, the syst
em recovers according to its setting
Setup switch SW1, position 5 should be set to its DOWN position to enable the Daisy
tions can be set according to the application requirements.
lt occurs in one of the units, its PS_OK signal will be set to a low level and the display will ind
cate the fault. The other units will shut off and their display will indicate “SO”. When the fault condition
is removed, the units will recover to their las
t setting according to their Safe
6 shows connection of three units, however the same connection method applies to systems
with a larger number of units.
The front panel controls can b
e locked to protect from accidental power supply parameter change.
Press and hold the PREV button to toggle b
tween “Locked front panel’ and “Unlocked front panel”.
The display will cycle between “LFP” and “UFP”. R
leasing the PREV button while one of the
5.17.1 Unlocked front panel
In this mode, the front panel controls are Enabled to program and monitor the power supply param
5.17.2 Locked front panel
In this mode the following front panel controls are Disabled
VOLTAGE and CURRENT encoders.
The power supply will not respond to attempts to use these controls. The VOLT display will show
cate that the front panel is locked.
OVP/ UVL button is active to preview the OVP
Use the PREV button to preview the Output Vol
age and Current setting or to unlock the front panel.
