2.6.4. Analog Inputs (Differential)
To interface to a single-ended, non-differential voltage source, connect the signal common of the source
to the negative input and connect the analog source signal to the positive input. A floating signal source
must be referenced to the analog common. Refer to
Table 2-31:
Analog Input Specifications
Specification
Value
(AI+) - (AI-)
+10 V to -10 V
(1)
Resolution (bits)
16 bits
Input Impedance
1 MΩ
1. Signals outside of this range may damage the input
Table 2-32:
Analog Input Pins on the Digital / Analog I/O B Connector
Pin #
Label
Description
In/Out/Bi
6
AI+
Analog Input +
Input
7
AI-
Analog Input -
Input
8
GND
Ground
N/A
Figure 2-22:
Analog Inputs Schematic
GL4 Hardware Manual
2.6.4. Analog Inputs (Differential)
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