
Electrical installation
INTERBUS connection
EDK94AYCIB DE/EN/FR/ES/IT 2.0
44
−H2−verbdg zum IBS
INTERBUS connection
The INTERBUS is connected to the communication module by means of X206 (input, 9−pin
Sub−D connector) and X207 (output, 9−pin Sub−D socket).
E94YCIB001C
Assignment of the 9−pin Sub−D connector X206 (IN)
Pin
Designation
Input/Output
Description
1
DO1
Input
RS485: DO1 not inverted
2
DI1
Output
RS485: DI1 not inverted
3
GND
Reference potential
4
free
not assigned
5
Vcc5
Output
5 V DC
6
/DO1
Input
RS485: DO1 inverted
7
/DI1
Output
RS485: DI1 inverted
8
Vcc5
Output
5 V DC
9
free
not assigned
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