AC Power Measurement, for LonWorks® Networks, Reactive Power, VARs, Power Factor, Individual Phase Measurements

Click the downloads tab for options manuals, external interface files XIF, etc.

Data Logging

If you need data logging, see WattNode Logger for LonWorks

Option CT

• Option CT=xxx - Pre-assign xxx as the nciCtAmps value.

  This can be field configured or overridden using the nciCtAmps network variable.

Option B

If you need a WattNode meter that behaves like the old WNB series models (model numbers WNB-xx-xxx-FT10), then order a

WNC-xx-xxx-FT10 Opt B

The Option B WattNode models are very similar to the original WNB series WattNode Plus models, but with a few changes:

• New program ID: 8:00022:1500:0A04:05. Because there are some hardware changes, LonMaker^® requires a new program ID.
• Energy and time of day are stored to non-volatile memory every 5 seconds. The old version stored these every 20 seconds.
• The energy log has been removed (see our WattNode Logger for LonWorks if you need logging). The nviLogRequest and nvoLogData variables still exist, but do nothing.
• The network variable list is identical to the original WNB series WattNode Plus
• Firmware Version 3.03
• Downloads

Option BI

If you need a WattNode meter that behaves like the old WNB series models the integer output Option (models numbers WNB-xx-xxx-FT10), then order a

WNC-xx-xxx-FT10 Opt BI

The Option BI WattNode models are very similar to the original WNB series WattNode Plus models with integer outputs, but with a few changes:

• New program ID: 9:00022:1500:0A:04:0B. Because there are some hardware changes, LonMaker requires a new program ID.
• New XIF (external interface file)
• Energy and time of day are stored to non-volatile memory every 5 seconds. The old version stored these every 20 seconds.
• The energy log has been removed (see our WattNode Logger for LonWorks if you need logging). The nviLogRequest and nvoLogData variables still exist, but do nothing.
• The network variable list is identical to the original WNB series WattNode Plus with option I (Integer Output).
• Firmware version 3.13
• Downloads

Option PT

Option PT improves support for potential transformers (PTs), making it easier to use WattNode for LonWorks meters with medium voltage services. Specifically, Option PT adds a configuration property UCPTptRatio which configures the ratio of the external PT, allowing the meter to automatically scale the voltage, power, and energy readings.

• See WattNode LonWorks - Option PT for more information.