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In the Niagara G3 ASD Device Manager, MicroNet 2000 devices can not be discovered.

Issue

In the Niagara G3 ASD Device Manager, MicroNet 2000 devices can not be discovered.

Product Line

TAC IA Series

Environment

  • I/A Series G3 ENC-410 or ENC-520
  • MN-ASDI integrator with attached MN-FLO / MN-FLO3T / MN-HPFC devices

Cause

It appears that the ASD Device Manager checks all MN-ASDI integrators, with DIP switch addresses 1-7, for devices in the range of 1-31 under them.

Resolution

When using the ASD Device Manager to discover MicroNet 2000 devices (MN-ASDI integrators on the ASD bus, and the controllers on the U-buses under the integrators), set the Start Address and End Address in the range of 1 -31.

For example, assume there is an MN-ASDI with DIP switch address = 2, and on the U-Bus under the integrator there is an MN-HPFC with DIP switch address = 3. In the Discovery Filter, set the Discover Mn2k flag= true, Start Address = 1, and End Address = 31. The Device Manager will put a MnHPFC_35 object and a MnGen_32 object in the upper pane. The ASD Device Manager assigned an ASD device address = 32 to MN-ASDI, and an ASD device address of 32+3 = 35 to the MN-HPFC.

It appears that the ASD Device Manager checks all MN-ASDI integrators, with DIP switch addresses 1-7, for devices in the range of 1-31 under them, and then assigns an ASD device address in the range of 32 – 224 to the integrators, and in the range of 1-254 to the MN-FLOs and MN-HPFCs.

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