Beckhoff KL9540, Документация

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Product overview
KL9540, KL9540-0010 and KL9550 9 Version: 3.0.1
2.2 KL9540-0000 - introduction
Fig. 1: KL9540
Surge filter terminals for field supply
The KL9540-0000 surge filter terminal contains an overvoltage filter for the field supply. The filter protects the
components from line-bound surge voltages that can occur due to high-energy disturbance variables such as
switching surges at inductive consumers or lightning strikes at the supply lines.
LED displays
LED Meaning
Power (green) on Field supply voltage present