1.7.3.1.8 Diagnosis
In cases of short circuit or overload, the digital outputs are turned off. The modules performs
reactivation automatically. Thus an acknowledgement of the errors is not necessary. The error
message is stored via the LED.
E1..E4
d1
d2
d3
d4
Identi-
fier
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
ETHCAT
Diag-
nosis
block
Class
Inter-
face
Device
Module
Channel Error
identi-
fier
Error message
Remedy
1
)
2
)
3
)
4
)
Module error
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
20
Slave-to-Slave mal-
function
Check
configu-
ration
3
-
31
31
31
41
Distributed Clock
malfunction
Check
configu-
ration
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
UP
4
-
31
31
31
45
Process voltage
UP3 too low
Check
process
voltage
4
-
31
31
31
34
No response during
initialization of the
I/O module
Replace
I/O
module
Device specifications
Communication interface modules (S500) > EtherCAT
2022/01/31
3ADR010278, 3, en_US
700