Balluff BNI PNT-502-102-Z015, User Manual, Page: 42 / 50

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41
8 Diagnostics
Block Header 8.2.
The first part of the diagnosis is the so-called Block Header, which is 24 bytes long.
Block Type The first 2 bytes of the Block Header are described by the Block Type to define the data
type.
Possible values Meaning
0x0002 Alarm Notification Low
Block Length
2 bytes of data that define the length of the following diagnostics message.
(For the complete diagnostics message, the 2 bytes from the Block Type and the 2 bytes
from the Block Length must be added.)
Block Version
High 1 byte, preset to 0x01
Block Version
Low 1 byte, preset to 0x00
Alarm Type
2 bytes; the information on the type of alarm is provided here
Possible values Meaning
0x0001 Diagnostics
API 4 bytes, default is 0.
Possible values Meaning
0x00000000 Default value
Slot 2 bytes of data that describe which slot of the module reports an error
Slot Meaning
0001 Standard I/O Port 0-7
0002 IO-Link Port 4
0003 IO-Link Port 5
0004 IO-Link Port 6
0005 IO-Link Port 7
Subslot 2 bytes of data that describe which subslot of the slot reports an error
Possible values Meaning
0x0001 Subslot 1
Module ID
4 bytes of data that describe which module is inserted in the respective slot.
(The module ID is saved in the GSDML)
Possible values Meaning
0x00000017 BNI PNT-502-102-Z015 (header module)
Submodule ID 4 bytes of data that describe which submodule is used with the respective module.
(The submodule ID is saved in the GSDML.)
Possible values Meaning
0x00000001 BNI PNT-502-102-Z015 (header module)