APDU Timeout.

Issue

When should the APDU Timeout setting on a BCX be increased.

Product Line

Andover Continuum

Environment

  • BCX4040
  • BACnet
  • APDU Timeout

Cause

Some bacnet devices are taking a long time to respond to BACnet controller requests.

Resolution

If the device takes too long to respond to a request, it is possible that the response may be ignored by the BACnet controller.

Increasing the APDU timeout setting will cause the BACnet controller to wait longer for a response from a field device.