Kontron CP372 - Manual (Page 52)

Configuration CP372
Page 4 - 6 © 2002 Kontron Modular Computers GmbH ID 25780, Rev. 01
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P R E L I M I N A R Y
Figure 4-3 demonstrates a configuration for cluster A where each output channel’s external
source voltage is different due to different source resistances (R
s
).
Figure 4-3: Current Output Configuration With Different External Sources (V
ext
)
analog ground
R
bias
I
I
I
I
R
dson
+
-
•
•
•
+
-
+
-
+
-
+
-
R
s
R
s
R
s
R
s
Example for Cluster A
CON 2
CP372
pin 62 (IOUT0)
pins 38 to 41 (AGND)
pin 61 (IOUT1)
pin 60 (IOUT2)
pin 59 (IOUT3)
V
ext
= 28 VDC max
V
ext0
V
ext1
V
ext2
V
ext3