TROUBLESHOOTING
74 IPA Hardware Installation Guide
High-performance motion control equipment is capable of
producing rapid movement and very high forces. Unexpected
motion may occur especially during the development of
controller programs. KEEP WELL CLEAR of any machinery
driven by stepper or servo motors. Never touch any part of the
equipment while it is in operation.
2 If THALL reports a 1, 2, or 4, change SHALL from either 0 to 1 or from 1 to 0. After you change SHALL,
reset the drive/controller.
3 Repeat step 1 until THALL reports a value of 6.
4 The wire on the negative voltage or ground is motor wire W. The two wires at the positive voltage are U
and V.
Now there are two possibilities:
a. Connect the motor wires to the terminals. Operate the drive in DMODE1. If the motor does
not turn in the clockwise direction, exchange motor wires U and V. Verify that the Bit 8455
command is set to zero (Ø).
b. Put positive voltage on motor wire W together with either U or V and put negative voltage or
ground on the remaining wire. If THALL reports a value of 3, the wire at the negative voltage is
V. If THALL reports a value of 5, the wire at the negative voltage is U.
Figure 33. - Hall Connection Diagram
Procedure 2—Hall Wires
Use this procedure to connect your Hall wires to the IPA.
1 First operate the IPA in DMODE1 and verify that the motor turns clockwise. If not, swap any two motor
wires.
2 Remove the motor input power leads, leaving the feedback cable connected to the drive/controller.
Connect motor input power wires U and V and slowly apply a positive voltage with respect to W. (See
Figure 33).
Note: A variable low voltage (5-24V) current limiting power supply (less than continuous current
rating of motor) is preferred.
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