24 Analog input module XN-322-8AI-I
24.4 Technical specifications
XN300 slice modules 02/24 MN050002EN Eaton.com 176
24.4.3 Diagnostics
Open wires will only be detected with diagnostics when using the 4 – 20 mA
measuring range. When using the 0 – 20 mA measuring range, the open wire
detection diagnostics will always read "FALSE."
24.4.4 Filtering:
The low-pass cutoff frequency can be configured for each input channel
using the appropriate register. This cutoff frequency is specified in Hz
without any decimal places.
The following settings are valid:
￫
Range and channel diagnostics must be taken into account in
order to ensure that the reading shown is being interpreted
correctly.
Diagnostics Measuring range in mA
0 – 20 4 – 20
Cable break – < 4 mA (diagnostics)
Under Range – 0 … 4 mA
Display value Measured value
Over Range 20 …21
20…20.25 (firmware version 4.03 and higher)
over current
>21
Display value > 21 (no reading)
Low-pass cut-off frequency Register value
Filter disabled (default) 0x0000
1 Hz
0x0001
10 Hz
0x000A
25 Hz
0x0019
50 Hz 0x0032
100 Hz 0x0064
250 Hz 0x00FA
500 Hz 0x01F4
1000 Hz 0x03E8
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