7.4 Electrical supplies
The power supply for the drive is separated into the supplies for logic and power sections.
NOTICE
The DC-Bus voltage can be switched on and off independently of the Logic Power. Standard
operating procedure, however, is to power the logic before powering DC-Bus.
7.4.1 24V Logic supply (X2)
The servo drive requires a 24VDC supply (PELV
type sufficient) for its internal logic and for the
supply of the connected encoders.
The drive internal supplies are galvanically iso-
lated from the 24VDC logic supply input, espe-
cially the encoder supply and the motor tem-
perature input. The STO supply used to bypass
STO is not galvanically isolated from this input.
Pin Layout X2
Pin
Name
Description
1
+24VDC
Supply logic positive voltage
2
Ground
Supply ground
Table 17: Pin out of the logic power supply connector.
Information
As per EN 61800-5-1, the used power sup-
ply must have a safe and reliable galvanic
isolation towards the mains network.
NOTICE
It's recommended, to connect the 0VDC (-)
to earth potential near the power supply.
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Figure 8: 24VDC logic power supply connection.
=
~
X2
-
+
24VDC
Power Supply
-
+
1
2
Figure 7: 24V Logic supply connector (X2).
1
2
