Issue:
Altivar Process Drive that will not connect or communicate with a DeviceNet device or network.

Product Line:
Altivar Process Drive (ATV630, ATV930, ATV650, ATV950, ATV660, ATV960, ATV680, ATV980)

Environment:
All serial numbers for Altivar Process Drive

Cause:
N/A

Resolution:

Note: This FAQ goes over some basic checks and troubleshooting tips. For extended troubleshooting please refer to your drives DeviceNet manual.

Drive Will Not Connect

• Communication Module
  • DeviceNet is not integrated on the Altivar Process drives. Must use module VW3A3609.
  • The VW3A3609 Fieldbus module, with a minimum V1.6IE01 firmware version, is compliant with the Altivar process product range.
  • Only one communication module can be used at a time
• Installation
  • Module must be inserted in Slot A ONLY at the bottom of the control part.
  • Pin Layout - Make use to use proper pinouts
    • FA312560: Where can I get the cable pinouts for the Devicenet connector for the Altivar Process Drive?
  • Isolate any electrical interference
    • Use conduits
    • Separate control and power connections
  • Add terminating resistors if the drive is at the end or the last of device in the network.
• Network
  • Check for any duplicate addresses on the network.
  • Check to make sure you have proper configured assemblies
• Programming
  • Check Basic Settings on the drive. Make sure the following is set:
    • IP Address
    • Baud Rate
    • Data rate used
    • Make sure drive is power cycled after any Communication settings are changed.
  • Check for properly configures assemblies
• Troubleshooting
  • Check LEDs on the drive
    • See Fieldbus Status LEDs, LED MS Network Status and LED MS Module Status  attachments
    • Drive Connects But Will Not Run
• Network
  • Verify you can read from the drive
  • Verify reading and write to correct Modbus registers
    • Altivar 600 Communication Registers
    • Altivar 900 Communicaiton Registers
• Programming on the Drive
  • Confirm drive is setup for Network Control
    • Check Command and Reference Menu
      • [Complete settings] [Command and Reference]
• ​​Troubleshooting
  • Check Communication Map
    • [Display] [Communication map]
      • ​​Check Command Channel
      • Command Register
      • Ref Freq Channel
      • Ref Freq

Reference attached manuals for further troubleshooting

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