Saia-Burgess Controls AG
Manual Q.PS-PEL-240x 24 VDC Power Supply Unit │ Document 27-646; Version ENG01 │ 2015-08-27
1-7
Connections
Installation
1
Installation
Connections
Input Terminals
L N
Output Terminals
+ + - -
Output Power OK LED
Output Voltage Adjustment
Output Power OK LED:
The green LED lights as soon as the output
voltage is present
Output Voltage adjustment:
The output voltage can be altered using a
screwdriver (Philips size 00). Turning the
adjustment screw anticlockwise reduces the
voltage output.
VADJ.
+
–
Mount/Dismount
Mount unit by placing the DIN rail guide on
the upper edge of the DIN rail and snapping
it into place with a downward motion
Dismount unit by levering the lower catch
open with a screwdriver, pulling the lower
edge forward, and unhooking from the top of
the DIN rail
Parallel connection
If units have their outputs connected in parallel, their output voltages must be adjusted to the
same value (± 100 mV).
Impedances from the units to the star point must be equal
Note that leakage current, EMI, inrush current and harmonics can increase using multiple
power supplies.
