IFM ecomatController CR720S - 6�8 High-Side Digital Inputs (CSO)

20
6.8 High-side digital inputs (CSO)
supply
controller
VBB
30
nn
VBB
15
nn
VBB
0
nn
VBB
1
nn
VBB
2
nn
VBB
3
nn
VBB
4
nn
VBB
5
nn
GND
SYS
nn
GND
1...4
nn
input B
H
, FRQ
H
nn
input B
H
, FRQ
H
nn
GND
ANA
nn
nn
GND
RES
Shield
1
Connection of the high-side inputs (B
H
, FRQ
H
), example CR721S
1: Connection for 3-wire sensors
► Connect the GND of the signal source to the common GND star point�Do not
connect the GND of the signal source to GND
RES
or GND
ANA
�