AMD2000 Series D2xxx Servo Drive - User Guide
64
D-000088 Rev 10
ANCA Motion
Vs
+
Signal source
AMD2000
R1
R2
AI-XX+
AI-XX-
AGND
Figure 7-4 Typical Example of Ground-Referenced Differential Input Connection
Note:
R1 and R2 (10KΩ<R1=R2<100KΩ) are bias resistors to keep input common-mode voltage
level within the common-mode voltage range of AMD2000 analogue input circuit.
Vs
+
Signal source
AMD2000
AI-XX+
AI-XX-
AGND
Figure 7-5 Typical Example of Ground Referenced Single-Ended Connection
Note:
In the scenario presented in Figure 7-5, any potential difference (in many cases this is
50/60Hz powerline noise) between signal source ground and measurement system ground will be
picked up into the measurement result.
Vs
+
Signal source
AMD2000
AI-XX+
AI-XX-
AGND
Figure 7-6 Typical Example of Floating Single-Ended Connection
Summary of Contents for AMD2000 Series
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