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Connection and Setup
Connecting multiple power supplies in parallel or in series can increase the overall current
output or voltage output respectively. For this configuration to function properly, there are
several items that must be set up first. Follow the instructions in this section carefully for setup.
Connection
Determine the total number of power supplies that you want to connect in parallel or series.
Disable the output of the power supplies and power OFF the power supplies.
WARNING: For safety, always turn OFF the power supplies before connecting or disconnecting wires to the output terminal. For parallel connection: Connect each power supplies’ positive (+) terminals together. Do the same for the negative (‐) terminals. For series connection: Connect one power supply’s positive (+) terminal to the negative (‐) terminal of another. Do the same for all the power supplies. Then, connect all of the power supplies’ Pin 1 of the RS‐485 interface together. Do the same for Pin 5. Below illustrates the connection diagram for parallel connection.
Note: Be sure to use wires that can support the amount of output current that you want to output from the power supplies. Refer to “2.2 Output Connections” for details. 35