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3.4.5.3
3-Phase Step Motor connection
Remark: To hardware enable the motor outputs, connect STO1+ and STO2+ pins to +Vlog and STO1- and STO2-
to GND.
3.4.5.4
DC Motor connection
Remark: To hardware enable the motor outputs, connect STO1+ and STO2+ pins to +Vlog and STO1- and STO2-
to GND.
3.4.5.5
Recommendations for motor wiring
a)
Avoid running the motor wires in parallel with other wires for a distance longer than 2 meters. If this situation
cannot be avoided, use a shielded cable for the motor wires. Connect the cable shield to the iPOS80x0 GND
pin. Leave the other end disconnected.
b)
In order to meet requirements of EMC radiated emissions it is necessary to add series inductors between drive
outputs and motor cable. Each inductor shall be 15 µH minimum, rated for the motor peak current and
preferably magnetically shielded (toroidal, for example).
c)
A good shielding can be obtained if the motor wires are running inside a metallic cable guide.
Technosoft 2019
Figure 3.12. 3-phase step motor connection
Figure 3.13. DC Motor connection
21
iPOS80x0 BX-CAN/-CAT Technical Reference
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