Quad Amp Hardware Reference Manual

In the case of multiple axis-specific faults on one axis, the higher-numbered fault shall be indicated.

In the case of axis-specific faults on multiple axes, the axis with the higher-numbered fault shall be displayed along with the decimal point indicting its axis number.

In the case of axis-specific faults of the same number on multiple axes, the fault number shall be displayed and decimal point indication shall specify the higher-numbered axis.

Problem

 

 

Check

Corrective Action

 

 

 

 

 

Under voltage

This is a normal condition.

When AC power is first applied, the Soft Start

indicator comes on

 

 

 

has not been initialized and the bus is not

when power is applied.

 

 

 

charged. This results in a low line fault. The

 

 

 

 

first enable command (usually o0) will initialize

 

 

 

 

the Soft Start. The following CNTL K command

 

 

 

 

will ensure that no motor is enabled. It will also

 

 

 

 

turn the Soft Start IGBT on and allow the bus cap

 

 

 

 

to charge.

Quad Amplifier

Check if the bus voltage holds steady

 

 

enables normally but

after an axis is enabled and/or moved

 

 

LED Fault Indicator

 

 

 

 

 

displays C after a

 

 

 

 

 

motor is moved.

 

 

 

 

 

Motor does not turn.

1.

Is the correct main AC power

Apply correct AC power.

 

 

applied to the unit?

 

 

 

 

 

 

 

 

 

2.

Is a motor connected?

Connect motor.

 

3.

Is the power enable (E-Stop)

Close E-Stop switch. (If E-Stop not used, make

 

 

switch closed at C1?

sure a plug is installed on connector C1.)

 

 

 

 

 

 

 

4.

Is PMAC2 connected, powered

Connect, power up or replace PMAC2 if

 

 

and working?

necessary.

 

 

 

 

 

 

 

5.

Is the correct axis being

Command the correct axis.

 

 

commanded?

 

 

 

 

 

 

 

 

 

6.

Is there a fault indicated on the

Refer to the LED Fault Indicator fault codes and

 

 

LED Fault Indicator?

take the corrective action.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Warning:

 

 

 

 

At this point, it is necessary to remove the Quad Amplifier cover

 

 

 

to further troubleshoot the unit. Every precaution should be

 

 

 

taken to avoid serious injury from being exposed to high

 

 

 

voltages.

 

 

 

 

 

 

 

7.

Is there a bus voltage?

Make sure the AC power is applied and check for

 

 

 

 

DC bus voltage across 15 k Ohm bleed resistor

 

 

 

 

on the filter capacitor box.

 

 

 

 

 

8.

Are all logic supply LEDs (D5,

An unlit power supply LED means that a supply

 

 

D6, D7) on the logic and current

is bad or missing. Check AC voltages at J5 of

 

 

sense boards lit?

the Quad Amplifier logic board. Check if the

 

 

 

 

cable between the logic board and the current

 

 

 

 

sense board is connected.

 

9.

Is the commanded axis enable

Generally, enable LED comes on after #xo0

 

 

LED (D18-D21 on logic board)

command. Check if Ix00 is 1.

 

 

lit?

 

 

Troubleshooting

31

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Delta Tau 3Ax-602646-xUxx manual Problem Check Corrective Action
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3Ax-602646-xUxx specifications

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In summary, the Delta Tau 3Ax-602646-xUxx is a powerful motion controller that combines precision, versatility, and advanced technology. Its simultaneous axis control, robust processing capabilities, user-friendly interface, and adaptive features make it an essential tool for modern automation and robotics applications, ensuring high levels of efficiency and productivity.
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