-IO Expansion Board
Ensemble HLe
3.4. Analog Inputs (TB304)
To interface to a single-ended (non-differential) voltage source, connect the signal common of the source to
the negative input and the analog source signal to the positive input. A floating signal source should be
referenced to the analog common as shown in
.
Table 3-15:
Differential Analog Input 1 Specifications
Specification
Value
(AI+) - (AI-)
+10 V to -10 V
(1)
Resolution (bits)
16 bits
Resolution (volts)
305 µV
1. Signals outside of this range may damage the input
N O T E :
Analog Input 0 on the I/O board is tied to Analog Input 0 on J205 (see
). TB304 lets
you connect to all of the analog inputs in one place (do not connect to AIN0 at both TB304 and J205).
Table 3-16:
Analog Inputs Connector Pin Assignment (TB304)
Pin#
Description
In/Out/Bi
1
Analog Common
N/A
2
Non-Inverting Analog Input 0
Input
3
Inverting Analog Input 0
Input
4
Non-Inverting Analog Input 1
Input
5
Inverting Analog Input 1
Input
6
Analog Common
N/A
7
Non-Inverting Analog Input 2
Input
8
Inverting Analog Input 2
Input
9
Non-Inverting Analog Input 3
Input
10
Inverting Analog Input 3
Input
Table 3-17:
Mating Connector Part Numbers for the Analog Input Connector
Aerotech P/N
Phoenix P/N
Wire Size: mm
2
[AWG]
10-Pin Terminal Block
ECK01294
1881406
0.5-0.080 [20-28]
Figure 3-8:
Analog Input Typical Connection (TB304)
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Chapter 3
77
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