CR0708 CR0709
14
controller
VBB
30
nn
VBB
15
nn
VBB
0
nn
VBB
1
nn
VBB
2
nn
GND
SYS
nn
GND
1...2
nn
input
A
nn
input
A
nn
GND
ANA
nn
nn GND
RES
Shield
supply
Fig. 5: Connection of the analogue inputs (A), example CR0709
u
Connect GND
ANA
to GND of the signal source.
Do not connect GND
ANA
to other GND connections or the common GND star point.
6.7 Resistor inputs
controller
VBB
30
nn
VBB
15
nn
VBB
0
nn
VBB
1
nn
VBB
2
nn
GND
SYS
nn
GND
1...2
nn
input
R
nn
input
R
nn
GND
ANA
nn
nn GND
RES
Shield
supply
Fig. 6: Connection of the resistor inputs (R), example CR0709