AutomationDirect Logo DL305 - DL330/340 CPUs Frequently Asked Questions

 

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  1. I can't edit control relays from data view with a D3-330 or D3-340. What am I doing wrong?
  2. Why can I successfully connect with DirectSOFT to a D3-330 with my DCU, but when I put my DCU on a D3-330P, I cannot connect?
  3. Do I have to use Stage programming in D3-330P?
  4. Which special relay do I use for "always on" with a D3-330 or D3-340?
  5. Can I do Peer-to-Peer networking between two D3-340s?
  6. Some of the counters and timers are not working in my D3-330 or D3-340. What's wrong?
  7. The battery LED is illuminated on by DL305. How do I replace the battery without losing the program?
  8. I have a GE Series 1 RS-422 DCU. What do I need to communicate to my RS-232-C port on my computer?
  9. Why won't the DDE server read from my D3-330?
  10. Can I do "online edits" to D3-330 or D3-340 CPUs?
  11. Where can I locate a Modbus cross-reference table for a D3-340 CPU?
  12. Can the D3-DCM be a Modbus master?
  13. Q: Can I use the D2-DSCBL with a D3-340?


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