Power Supply For The Devicenet - Festo CDVI-DN Manual

1. Installation

1.3.3 Power supply for the DeviceNet

1-16
Avoid long distances between the power supply and the
CDVI-DN.
Caution
Make sure the polarity is correct when you connect
•
the fieldbus interface and the power supply for the bus
interface/internal logics.
Connect the screen (pin 1).
•
Note
Bus stations have different tolerances in respect of the
power supply, depending on the manufacturer. Observe
this when planning the bus length and placing the power
supply unit.
The following tolerance of the DeviceNet bus interface supply
(pin 2) applies to the CDVI:
V = 30 V
max
V = 11 V
min
Recommendation:
Place the power supply unit approximately at the centre of
the bus.
Festo P.BE-CDVI-DN-EN en 0805a