Digital Inputs; Figure 2-9: Digital Inputs Connected To Current Sinking Devices; Figure 2-10: Digital Inputs Connected To Current Sourcing Devices; Table 2-22: Digital Input Specifications - Aerotech Automation1 XL4s Hardware Manual

XL4s Hardware Manual

2.6.2. 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
for high-voltage isolation applications. They should only be used with ground-referenced circuits.
Table 2-22: Digital Input Specifications
Input Voltage
+5 V to +24 V
Table 2-23: Digital Input Pins on the Digital/Analog I/O B Connector
Pin # Label Description
1 DI0 Digital Input 0 (Optically-Isolated)
2 DI1 Digital Input 1 (Optically-Isolated)
3 DI2 Digital Input 2 (Optically-Isolated)
4 DI3 Digital Input 3 (Optically-Isolated)
5 DIC Digital Input Common
Figure 2-9:
Figure 2-10:
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Chapter 2: Installation and Configuration
Figure 2-10
Approximate Input Current
6 mA
Digital Inputs Connected to Current Sinking Devices
Digital Inputs Connected to Current Sourcing Devices
and Figure 2-9. The digital inputs are not designed
Turn On Time
10 µs
Turn Off Time
43 µs
In/Out/Bi
Input
Input
Input
Input
Input
37