ABB AC500 V3 - Page 785

E1..E4 d1 d2 d3 d4 Identi-
fier
000..063
AC500-
Display
<− Display in
Class Comp Dev Mod Ch Err PS501
PLC
Browser
Byte 4
Bit 6..7
- Byte 1 Byte 2 Byte 3 Byte 4
Bit 0..5
PNIO
diag-
nosis
block
Class Inter-
face
Device Module Channel Error-
Identi-
fier
Error message Remedy
1
)
2
)
3
)
4 - 1...10 31 5 8 I/O module
removed from hot
swap terminal unit
or defective module
on hot swap ter-
minal unit
9
)
Plug I/O
module,
replace
I/O
module
4 - 1...10 31 5 28 Wrong I/O module
plugged on hot
swap terminal unit
9
)
Remove
wrong
I/O
module
and plug
pro-
jected
I/O
module
4 - 1...10 31 5 42 No communication
with I/O module on
hot swap terminal
unit
9
)
Replace
I/O
module
4 - 1...10 31 5 54 I/O module does
not support hot
swap
8
)
9
)
Power
off
system
and
replace
I/O
module
4 - 1...10 31 6 8 Hot swap terminal
unit configured but
not found
Replace
terminal
unit by
hot swap
terminal
unit
4 - 1...10 31 6 42 No communication
with hot swap ter-
minal unit
9
)
Restart,
if error
persists
replace
terminal
unit
4 1...6 255 2 0 45 The connected
Communication
Module has no con-
nection to the net-
work
Check
cabeling
Device specifications
Communication interface modules (S500) > Modbus
2022/01/31 3ADR010278, 3, en_US 785