Parallel Operation 34
While in parallel connection mode, the output voltage of each power supply should be set to equal value. If the voltage
value of each unit is not the same, the higher output voltage will feed back to the lower voltage unit and damage its
internal components.
DO NOT connect multiple power supplies in series as it will cause damage or malfunction.
When connecting in parallel mode, only the MASTER unit can be controlled by a computer for remote communication.
There is also a decrease in speed and performance with each additional SLAVE units connected in parallel and linked
together. The voltage and current scan speed, which aects synchronization between the supplies, between the slave
units and the master unit will increase based on the following formula:
200 + 50 ∗ (𝑁–1)(𝑖𝑛𝑚𝑖𝑙𝑙𝑖𝑠𝑒𝑐𝑜𝑛𝑑𝑠)
where N is the number of units in parallel. Please note as more units are paralleled and linked together, speed will
become slower. Thus, we do not recommend paralleling too many units with this setup to ensure fast performance
and operation. If the application requires connecting more than 10 units in parallel operation, we advise to contact
us at bkprecision.com for further assistance.
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