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02-06-2012, 03:42 PM #1
Regular Guest
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- Jan 2012
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- 101
Anyone ever had trouble with FX07/FX16 showing arbitrary (unreliable) values
I have, on several occasions saw that FX07s show random values. An example is an SAT reading of 28 degrees, but on the FX07, it is showing 58 deg C. After re-downloading the program, the system reverted backt o 28 deg C, but after a few weeks would go back to 58 deg C.
I have another situation where an FX16 would show temperature values (for a radiator) of 25 deg C, but it would skyrocket to ~48 deg C, go to unreliable, then come back to 25 deg C.
Another FX07, when the fX20 supervisory controller is commanding FX07 to occupied, the DO would chatter, making the AHU essentially not run.
All these situations are in the presence of a supervisory controller, there is an EOL connected to the end, the FX07 is in the middle of the network.
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02-06-2012, 04:23 PM #2
Professional Member
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For N2 and BACnet protocols the short answer is no.
UA LU 562


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