Input range
Condition
Short circuit
Wire break
Input value under-
flow
Input value over-
flow
0..20 mA
no diagnosis possible no diagnosis possible no diagnosis possible Error identifier = 48
4..20 mA
Error identifier = 7
Error identifier = 7
Error identifier = 7
Error identifier = 48
-10..+10 V
no diagnosis possible Error identifier = 48
Error identifier = 7
Error identifier = 48
Table 119: Content of diagnosis messages
E1...E4
d1
d2
d3
d4
Identifier
000...063
AC500
display
<− Display in
Class
Comp
Dev
Mod
Ch
Err
PS501
PLC
browser
Byte 6
Bit 6...7
-
Byte 3
Byte 4
Byte 5
Byte 6
Bit 0...5
FBP
diag-
nosis
block
Class
Interface Device
Module
Channel
Error
Identifier
Error message
Remedy
1
)
2
)
3
)
4
)
Module error
3
14
1...10
31
31
19
Checksum error in
the I/O module
Replace
I/O
module
11 / 12
ADR
1...10
3
14
1...10
31
31
3
Timeout in the I/O
module
Replace
I/O
module
11 / 12
ADR
1...10
3
14
1...10
31
31
40
Different hard-/firm-
ware versions in the
module
Replace
I/O
module
11 / 12
ADR
1...10
3
14
1...10
31
31
43
Internal error in the
module
Replace
I/O
module
11 / 12
ADR
1...10
3
14
1...10
31
31
36
Internal data
exchange failure
Replace
I/O
module
11 / 12
ADR
1...10
3
14
1...10
31
31
9
Overflow diagnosis
buffer
New start
11 / 12
ADR
1...10
3
14
1...10
31
31
26
Parameter error
Check
master
11 / 12
ADR
1...10
3
14
1...10
31
31
11
Process voltage too
low
Check
process
voltage
11 / 12
ADR
1...10
4
14
1...10
31
31
45
Process voltage is
switched off (ON −>
OFF)
Process
voltage
ON
11 / 12
ADR
1...10
Channel error
AX521
AX522
Device specifications
I/O modules > Analog I/O modules
2022/01/31
3ADR010278, 3, en_US
541
