Bender COMTRAXX COM465IP - Page 34

PROFIBUS DP (COM465DP only)
34
COM465IP-COM465DP_D00216_02_M_XXEN/03.2017
Response from the gateway:
For an explanation of the protocol structure see "Type 1: Querying measured data from devices on
the bus" on page 27.
Byte 0 Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6 Byte 7 Byte 8 Byte 9
ID
Data
value
high
high
Data
value
high
low
Data
value
low
high
Data
value
low
low
Alarm
& test
Range
& unit
Descrip-
tion high
Descrip-
tion low
0xFF
0x02 0x45 0x9C 0x40 0x00 0x04 0x02 0x00 0x47 0xFF
Byte 0: Sequential ID no.
Byte 1-4: Floating point value = 5000
Byte 5: Alarm type and test type = 0x04 (alarm)
Byte 6:
Structure of the byte: Range and unit = 0x02 (Ω)
Byte 7-8: 0x47 = Insulation fault
Byte 9: 0xFF
Alarm type & test
Test ext. 0 7
Test int. 0 6
State 0 5
Res. 0 4
Res. 0 3
Alarm
1
0
0
2
1
0
Range & unit
Range validity
07
06
State 0 5
Unit
0
0
0
1
0
4
3
2
1
0