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4. Features of the system
14
4.3 Example of a compressed air station with GD Connect 12
Fig. 2
Analog input AI-1
Dig. Eingang DI-2
Dig. input DI-1
RS485-2
Selection switch
to activate a profile
RS485-3
or digital I/O
ModBus-RTU
PROFIBUS (optional)
Customer PLC
to read datas
Line pressure
sensor
RS485-1
Selection switch
to activate a profile
Dig.input
GD Connect 12
Compressor 1
Compressor 2
Compressor 3
Recevier
Dryer
Filter
RS485
D
ig.
I
np
ut
D
ig
. i
nput
Extension module