ibaMS8xAI-110VAC
Manual
Issue 1.4.1
13
7.2
Indicator elements
The operating status of the device and the status of the analog inputs are shown by
colored status LEDs.
7.2.1
Operating status
LED
Status
Description
L1: green
Flashing / On
Off
Device is working
Device is not working (switched off)
L2: yellow
On
Access to the backplane bus
L3: white
-
-
L4: red
Off
Flashing
Normal status, no faults
Device failure
Important note
When the LED L4 indicates a failure, please contact the iba Support.
7.2.2
Status of the analog inputs
LED per channel Status/meaning
Description
(approx. values)
L26…L33
Off
No signal, signal too low
± (0 V … 3 V)
Green Within measuring range
± (3 V … 280 V)
Yellow End of measuring range
± (280 V … 312 V)
Red
Out of measuring range
> ± 312 V
7.3
Analog inputs
7.3.1
Filter
There are the following filters per channel:
Filter type
Order
Cutoff
frequency
in addition /
permanent
R/C low-pass
1.
40 kHz
permanent
Analog anti-aliasing Butterworth
4.
20 kHz
in addition
Digital anti-aliasing filter
(Tschebyscheff I)
8.
can be adjusted
(100 Hz … 0.5*sam-
pling rate)
in addition
(sampling rate
> 500 Hz)
