Burkert Type 8640 - Manual (Page 20)

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FieldbusmodulePROFIBUSDP/V1
8.2. PROFIBUS DP/V1, IP54 - overview
Power Supply
Functional earth
Field bus connection
DIP Switches
LED Status Display
Figure 9: Overview field bus module PROFIBUS-DP IP54
The DIP switches can be operated through the covering film.
8.2.1. Power supply IP54
The 4-pole circular plug-in connector for the power supply is configured as follows:
Electronics Inputs
Valves /
Outputs
24 V DC (1)
valves /
outputs
24 V DC (2)
logic
GND (3)
logic
GND (4)
valves /
outputs
Pin 1: +24 V - valves (outputs)
Pin 2: +24 V - logic + inputs
Pin 3: GND - logic + inputs
Pin 4: GND - valves (outputs)
Figure 10: Power supply configuration
Pin 1 of the power supply must be supplied with a 4 A medium time-lag fuse; Pin 2 with 1 A.
NOTE!
To ensure electromagnetic compatibility (EMC) connect the screw terminal FE (functional earth) to earth
potential using a short cable (30 cm).
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Type 8640