The issue of inaccurate signals from AI cards in Honeywell systems

2011-03-02View Original

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I have a question for everyone. I’m using a Honeywell system, and the AI module has 16 channels. For the first 8 channels, I use a 2-wire wiring scheme, while for the next 8 channels I use a 4-wire wiring scheme. I’m facing an issue now: the signals from the 2-wire setup are fine, but those from the 4-wire setup are a bit too strong

Reply #22011-03-02

What system? The TPS FTA board – according to the installation manual, when using a 4-wire system, one of the resistors on the board must be disconnected

Reply #32011-03-02

Have you noticed the difference between the active/passive connection methods?

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The issue of inaccurate signals from AI cards in Honeywell systems

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