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
)
Module errors
3
-
31
31
31
19
Checksum error in
the I/O module
Replace
I/O
module
3
-
31
31
31
3
Timeout in the I/O
module
3
-
31
31
31
40
Different hard-/firm-
ware versions in
the module
3
-
31
31
31
43
Internal error in the
module
3
-
31
31
31
36
Internal data
exchange failure
3
-
31
31
31
9
Overflow diagnosis
buffer
Restart
3
-
31
31
31
26
Parameter error
Check
Master
3
-
31
31
31
11
Process voltage UP
too low
Check
process
supply
voltage
3
-
31
31
31
45
No process voltage
UP
Check
process
supply
voltage
3
-
31/1...10 31
31
17
No communication
with I/O module
Replace
I/O
module
3
-
1...10
31
31
32
Wrong I/O module
type on socket
Replace
I/O
module /
Check
configu-
ration
4
-
1...10
31
31
31
At least one
module does not
support failsafe
function
Check
modules
and
parame-
terization
Device specifications
Communication interface modules (S500) > Modbus
2022/01/31
3ADR010278, 3, en_US
756
