ABB AC500 V3 Hardware Manual page 755

1.7.4.1.8 Diagnosis and state LEDs
Structure of the diagnosis block
Byte Number
1
2
3
4
5
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.
2022/01/31
Description
Diagnosis Byte, slot number
Diagnosis Byte, module
number
Diagnosis Byte, channel
Diagnosis Byte, error code
Diagnosis Byte, flags
For diagnosis firmware version
3ADR010278, 3, en_US
Communication interface modules (S500) > Modbus
Possible Values
31 = CI521-MODTCP (e. g. error at inte-
grated 8 DI / 8 DO)
1 = 1st connected S500 I/O Module
...
10 = 10th connected S500 I/O Module
According to the I/O bus specification
passed on by modules to the fieldbus
master
According to the I/O bus specification
passed on by modules to the fieldbus
master
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
According to the I/O bus specification
Bit 7: 1 = coming error
Bit 6: 1 = leaving error
³ 3.2.6 is required.
Device specifications
755