34 Process Image
WAGO I/O System 750
753-482 2AI 4-20mA 12 Bit S.E. HART
Manual
Version 1.2.0
Table 23: PROFIBUS Telegram, 2 HART Variables per Channel
PROFIBUS Telegram (2 Variables per Channel)
Offset
Designation of Bytes
Remark
0
AI0
Analog input data Channel 1
1
2
HV0_0
1st HART variable Channel 1
3
4
5
6
HV0_1
2nd HART variable Channel 1
7
8
9
10
AI1
Analog input data Channel 2
11
12
HV1_0
1st HART variable Channel 2
13
14
15
16
HV1_1
2nd HART variable Channel 2
17
18
19
4.1.3
2 AI 4-20 mA, 3 HART Variables per Channel
With the PROFIBUS DP/V1 Fieldbus Coupler 750-333 or Fieldbus Controller
750-833, when three HART dynamic variables per channel are incorporated
(optionally PV, SV, TV, QV), the PROFIBUS telegram has a size of 28 bytes.