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Installation and Configuration Nmark SSaM Hardware Manual
2.7. Digital Inputs (TB101 B)
The digital inputs are opto-isolated and may be connected to current sourcing or current sinking devices, as
shown in
Figure 2-12 and Figure 2-13 . These inputs are designed to connect to other ground-referenced
circuits and are not intended for high-voltage isolation.
Inputs 0-3 and inputs 4-7 have separate common inputs (refer to Table 2-19 ). Each 4-bit bank of inputs must
be connected in the same configuration (sinking or sourcing). Bank 1 can be connected differently from Bank
2, however.
The opto-isolator's common connections can be directly connected to the drive's power supply; however,
doing so will effectively defeat the isolation and will reduce noise immunity.
Table 2-18: Digital Input Specifications
Input Voltage Approximate Input Current Turn On Time Turn Off Time
+5 V 1 mA 200 usec 2000 usec
+24 V 6 mA 4 usec 1500 usec
Table 2-19: Digital Inputs Pinout (TB101 B)
Pin # Label Description In/Out/Bi Connector
1 C0-3 Input Common for Inputs 0-3 Input
2 I0 Input 0 Input
3 I1 Input 1 Input
4 I2 Input 2 Input
5 I3 Input 3 Input
6 C4-7 Input Common for Inputs 4-7 Input
7 I4 Input 4 Input
8 I5 Input 5 Input
9 I6 Input 6 Input
10 I7 Input 7 Input
Table 2-20: Mating Connector Part Numbers for the Digital I/O Connector (TB101 A/B)
Aerotech P/N Phoenix P/N
Wire Size: mm
2
[AWG]
10-Pin Terminal Block ECK01294 1881406 0.5-0.080 [20-28]
34 Chapter 2 www.aerotech.com