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National Instruments Corp.
21
NI 9505E Operating Instructions and Specifications
Figure 10.
Emergency Stop Input Circuit
Cable Requirements for EMC Compliance
Use the following guidelines when selecting cables for the
NI 9505E:
•
Use shielded cables with a low impedance connection to
chassis ground to minimize noise and signal crosstalk.
•
Tie the V
SUP
cable shield to chassis ground at the module side
only.
•
Tie the motor cable shield to chassis ground at the motor side
only.
Optocoupler
COM
+24 V
E-Stop
+3.3 V
NI 9505E
E-Stop