WISE-4000 User Manual 54
Burnout Detection
The Burnout Detection function, or open-wired function, is designed for 4~20mA
input range or temperature input range. For the WISE-4012, the burnout signal is
activated when the current is less than 3mA. The Modbus flag indicates that the wire
of the sensor connected to the channel has burned out. You can also check the Mod-
bus address of AI Channel Status for detail.
When a burnout situation had been detected, the AI value can be shown in “Up
scale” which is FFFF(HEX), or “Down scale” which is 0. You can configure this in
“Burnout Detection Mode”.
Sampling Rate
For models which support more than one sampling rate, you can configure the sam-
pling rate here. For low sampling rate mode, the AI channel would have better noise
rejection ability. For the high sampling rate mode, the noise will allow easier coupling
to the signal.
Average Channel Setting
To reduce the data amount, some users don't need the detailed value of each chan-
nel but the average value of the selected channel. When the channel is enabled, the
values will be averaged in 16-bit integer data, and can be shown or read as another
channel.
Calibration
WISE analog input modules support internal reference calibration function, before
using the calibration function, you can also try to reset the module to the default fac-
tory settings for troubleshooting, or if the calibration process had not succeeded, you
can reset the module to the default factory calibration parameters.
Click “Calibration” and follow the instructions to calibrate the AI channels.
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