APM SP-300 Series, User Manual

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6
Master-slave Mode Operation
SP-300 Series Programmable AC Power Supply can be connected in parallel/series and 3-phase
system to increase the output power.
Note
DO NOT connect units in both series and parallel at the same time.
DO NOT connect different models in parallel or series mode.
Up to 2 units connected in series, 4 units connected in parallel in master-slave mode.
Set up all Slave units first, then set up the Master in Master/Slave configuration.
There can only be ONE Master unit in any Master/Slave configuration.
Each Slave unit’s number Must be unique or the master-slave mode cannot be set.
6.1 Setting the Units as Slave
Note
Set the slave unit as ‘Slaver1’ in series connection mode.
1. Press the soft key to the right of ‘Parallel Serial 3-Phase’.
2. Press the [Cursor] key to highlight the ‘Mode =
’
field, and press the [Enter] key to confirm.
Master-slave Mode Operation Master-slave Mode Operation
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3. Move the cursor to highlight ‘Slaver’ option and press the [Enter] key to confirm.
4. Move the cursor to the command line ‘Slaver Type =’ and select the slaver number, then
press the [Enter] key to confirm.
5. Press the ‘Set’ soft key to save the setting, then the slave units will be locked.
6. Press the ‘Load’ soft key to recall and display the saved state of this unit.
7. Press the ‘Save’ soft key to store the master-slave mode setting to non-volatile memory.
!
Warning!
The Slave units can be unlocked by pressing the [.] key on the front panel.
Never change the configuration and modes of Master and Slave units while in Mater/Slave
mode operation as it could damage the units.
6.2 Setting the Unit as Master
1. Press the soft key to the right of ‘Parallel Series 3-Phase’.
2. Press the [Cursor] key to highlight ‘Mode =
’
field, and press the [Enter] key to confirm.
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