2.5.4. Digital Inputs
You can connect the digital inputs to current sourcing or current sinking devices but you must connect all
four inputs in the same configuration. Refer to
and
. The digital inputs are not
designed for high-voltage isolation applications. They should only be used with ground-referenced
circuits.
Table 2-41:
Digital Input Specifications
Input Voltage
Approximate Input Current
Turn On Time
Turn Off Time
+5 V to +24 V
6 mA
10 µs
43 µs
Table 2-42:
Digital Input Pins on the Auxiliary I/O Connector
Pin#
Description
In/Out/Bi
17
Digital Input 0 / CCW EOT Input
(1)
Input
18
Digital Input 1 / CW EOT Input
(1)
Input
24
Digital Input Common
N/A
25
Digital Input 2 / Home Input
(1)
Input
26
Digital Input 3
Input
(1) Software configured option
Figure 2-40:
Digital Inputs Schematic (Aux I/O Connector)
XC4 Hardware Manual
2.5. Auxiliary I/O Connector
www.aerotech.com
75
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