Siemens Industrial Ethernet Switches SCALANCE X-200 - Manual (Page 257)

PROFINET IO functionality
8.4 Structure of the data records
SCALANCE X-200
Operating Instructions, 12/2011, A5E00349864-19
257
8.4 Structure of the data records
Data records 4, 5 and 0x802A
The structure of the data records 4, 5 and 0x802A is described below.
Data record 4:
Access: Read-write,
Structure:
typedef struct {
Word BlockType;
Word BlockLength;
Byte BlockVersionHigh:
Byte BlockVersionLow:
DWord Alarm_enable; };
BlockType:
1: Constant
BlockLength:
6: Constant in device data, designates the length without Type+ Length
BlockVersionHigh:
1: Constant in device data, designates the major version
BlockVersionLow:
1: Constant in device data, designates the minor version
Enable_alarms:
This bit list specifies what is to be monitored. If a bit is set, this alarm source is enabled.
Reserved
Bit 2 - 31 C-PLUG
Bit 1 Red_power
Bit 0
0 0: No C-PLUG monitoring 0: No monitoring of the redundant power supply
1: Missing or incorrect C-
PLUG generates alarm
1: Monitoring of the redundant power supply