Manual
ibaPADU-4-AI-U
12
Issue 1.1
7.2
Indicator elements
Operating state
LED
Status
Description
L1: (green)
off
blinking slowly
blinking fast
on
no power
ready for operation
Firmware update active
device is booting
L2: (yellow)
on
TCP/IP telegrams detected
L3: (white)
off
blinking (rotary
switch S1 ≠ 0)
on
No 32Mbit Flex signal detected
32Mbit signal detected, but it is not a valid 32Mbit Flex
signal
32Mbit Flex signal detected
L4: (red)
off
blinking
on
device functioning properly
failure, internal applications do not run
device is defect, contact the iba support
Status of analog inputs
LED per channel Status
Description
(approx. values)
off
voltage < ±1% of the selected input range
L26 … L29
green
voltage ±1% ... ±90% of the selected input range
yellow
voltage ±90% ... ±100% of the selected input range
red
voltage > ±100% of the selected input range
