ABB AC500 V3 - Page 849

Byte Number Description Possible Values
1 Diagnosis Byte, slot
number
31 = CI502-PNIO (e. g. error at integrated
8 DI / 8 DO)
1 = 1st connected S500 I/O module
...
10 = 10th connected S500 I/O module
2 Diagnosis Byte, module
number
According to the I/O bus specification
passed on by modules to the fieldbus
master
3 Diagnosis Byte, channel According to the I/O bus specification
passed on by modules to the fieldbus
master
4 Diagnosis Byte, error code According to the I/O bus specification
Bit 7 and bit 6, coded error class
0 = E1
1 = E2
2 = E3
3 = E4
Bit 0 to bit 5, coded error description
5 Diagnosis Byte, flags According to the I/O bus specification
Bit 7: 1 = coming error
Bit 6: 1 = leaving error
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...06
3
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
Device specifications
Communication interface modules (S500) > PROFINET
2022/01/31 3ADR010278, 3, en_US 849