Difference between revisions of "Determining Argon hardware failure"
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#Measure resistance between J4 pin VN against BR,U,V and W. A typical resistance is between 100 kΩ - 10 MΩ. If resistance is less than 10 kΩ, there may be a failed IGBT. | #Measure resistance between J4 pin VN against BR,U,V and W. A typical resistance is between 100 kΩ - 10 MΩ. If resistance is less than 10 kΩ, there may be a failed IGBT. | ||
#Measure resistance between J4 pin VP against BR,U,V and W. A typical resistance is between 100 kΩ - 10 MΩ. If resistance is less than 10 kΩ, there may be a failed IGBT. | #Measure resistance between J4 pin VP against BR,U,V and W. A typical resistance is between 100 kΩ - 10 MΩ. If resistance is less than 10 kΩ, there may be a failed IGBT. | ||
| + | ==SimpleMotion V2 port== | ||
| + | SimpleMotion V2 port (J2 on argon) is protected by clamping diode type NXP PESD5V0S4UD. That diode typically burns if 24VDC is miswired in the port or if faulty Ethernet/RJ45 cable is being used. Same diode exists also in the [[SimpleMotion V2 USB adapter]] and may be damaged as well. | ||
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| + | Typical sympton of failure is inability to connect drive through SimpleMotion bus (i.e. Granity does not connect). | ||
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| + | The part identifier on Argon and SMV2USB adapter is D19 and it may be replaced by person capable of desoldering and soldering SMT components. | ||
[[category:Argon troubleshooting]] | [[category:Argon troubleshooting]] | ||
Revision as of 11:17, 11 August 2014
If Argon (servo drive) refuses to operate in any meaningful way, it is good to perform few tests for the hardware to identify possible hardware failures.
Verifying AC to HV DC circuity
See Argon supply voltage troubleshooting
Testing power stage
Motor power stage and braking resistor output consists IGBT transistors that typically short circuit if they are damaged. Testing of such failure needs only a multimeter with resistance measurement function.
- Unplug all connectors from the drive at least 30 minutes before testing as residue voltages may disturb this test and pose a danger. After 30 minutes fully disconnected, ensure that voltage has been safely discharged.
- Measure resistance between J4 pin VN against BR,U,V and W. A typical resistance is between 100 kΩ - 10 MΩ. If resistance is less than 10 kΩ, there may be a failed IGBT.
- Measure resistance between J4 pin VP against BR,U,V and W. A typical resistance is between 100 kΩ - 10 MΩ. If resistance is less than 10 kΩ, there may be a failed IGBT.
SimpleMotion V2 port
SimpleMotion V2 port (J2 on argon) is protected by clamping diode type NXP PESD5V0S4UD. That diode typically burns if 24VDC is miswired in the port or if faulty Ethernet/RJ45 cable is being used. Same diode exists also in the SimpleMotion V2 USB adapter and may be damaged as well.
Typical sympton of failure is inability to connect drive through SimpleMotion bus (i.e. Granity does not connect).
The part identifier on Argon and SMV2USB adapter is D19 and it may be replaced by person capable of desoldering and soldering SMT components.
