TEXIO PU100-7.5, Instruction Manual

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Fig.5-4: Parallel connection with local sensing
NOTE
With local sensing it is important to minimize the wire length and resistance. Also the positive and
negative wire resistance should be close as possible to each other to achieve current balance
between power supplies.
Fig.5-5: Parallel operation with Remote sensing
5.16. DAISY-CHAIN CONNECTION
It is possible to configure a multiple power supply system to shut down all the units when a fault
condition occurs in one of the units. When the fault is removed, the system recovers according to its
setting to Safe start mode or Automatic restart. Setup switch SW1 position 5 should be set to its
Down position to enable the Daisy-chain operation. OtherSW1positions can be set according to the
application requirements. If a fault occurs in one of the units its PS_OK signal will be set to low level
and the display will indicate 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 last setting according to their Safe
start or Auto-restart setting. Fig.5-6 shows connection of three units, however the same connection
method applies to systems with a larger number of units.
Fig.5-6: Daisy-chain connection