ABB AC31 Assembly And Operation Manual page 133

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