28 XN-322-8AIO-I analog input/output module
28.4 Technical data
218
XN300 slice modules
06/16 MN050002 EN
www.eaton.com
28.4.4 Measurement ranges
28.4.5 Diagnostics
When it comes to the analog inputs, cable breaks will only be detected with
diagnostics when using the 4–20 mA measuring range. When using the 0–20
mA measuring range, the cable break detection diagnostics will always read
"FALSE."
28.4.6 Filters
The low-pass cutoff frequency can be individually 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:
Current
in mA
Value representa-
tion
in
μ
A
0 …20 mA
0000 20000
Represented as a decimal
value
4 … 20 mA
4000 20000
→
Range and channel diagnostics must be taken into account in
order to ensure that the reading shown is being interpreted cor-
rectly.
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 mA
Overcurrent
> 21 mA
Display value
> 21 (no reading)
Low-pass cut-off frequency
Register value
Filter disabled (default)
0x0000
10 Hz
0x000A
25 Hz
0x0019
50 Hz
0 x0032
100 Hz
0x0064
250 Hz
0x00FA
500 Hz
0x01F4
1000 Hz
0x03E8
Summary of Contents for XN300
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