Siemens SIMATIC NET CP 1542-5 Equipment Manual page 35

Byte 1: Variant "Interrupt type"
Table 5- 5
Bit no.
7
6...0
If status interrupts are received in quick succession, older status interrupts may be
overwritten by newer interrupts.
Byte 1: Variant "Status type"
Table 5- 6
Bit no.
7
6...0
Byte 2: Slot number
Slot number (1...n) of the slave module
0 is the placeholder for the entire device.
SIMATIC CP 1542-5
Equipment Manual, 01/2023, C79000-G8976-C326-05
Structure of byte 1 of the device-specific diagnostics (variant "interrupt type")
Value Meaning
0 Interrupt
Alarm_Type
0 - reserved -
1 Diagnostics interrupt
2 Hardware interrupt
3 Pull interrupt
4 Plug interrupt
5 Status interrupt
6 Update interrupt
7...31 - reserved -
32...126 Vendor-specific
127 - reserved -
Structure of byte 1 of the device-specific diagnostics (variant "status type")
Value Meaning
1 Status information
Status_Type
0 - reserved -
1 Status information
2 Modul_Status (see also bytes 4...62)
3...31 - reserved -
32...126 Vendor-specific
127 - reserved -
Diagnostics and maintenance
Meaning
Meaning
5.1 Diagnostics
35