ABB AC31 - Page 133

Table 79: S500 module AX522 LEDs
LED Status Color LED off LED on LED flashes
I0+…I7+ (see
No. 1 in the
following
figure)
Analog inputs Yellow Input is not
activated
Input is acti-
vated (bright-
ness depends
on value of
analog
signal).
-
O0+…O7+
(see No. 2 in
the following
figure)
Analog out-
puts
Yellow Output is not
activated
Output is acti-
vated (bright-
ness depends
on value of
analog
signal).
-
Error indica-
tion left (see
No. 3 in the
following
figure)
Error indica-
tion
Red No error Internal error -
Error indica-
tion right (see
No. 3 in the
following
figure)
Error indica-
tion
Red No error Internal error -
Indication
supply voltage
(see No. 4 in
the following
figure)
Process
voltage
Green Process
voltage not
available
Process
voltage OK
-
Fig. 83: AX522
AC31 Adapters
Replacement devices: I/O modules > Replacement device 07AC91-AD2
2018/09/24 3ADR010122, 8, en_US 133