WAGO-I/O-SYSTEM 750
Process Image
35
750-484 2 AI 4-20 mA HART Ex i
Manual
V 1.2.0 HW-Version 04, SW-Version 03
Table 25: PROFIBUS Telegram, 3 HART Variables per Channel
PROFIBUS Telegram (3 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
HV0_2
3rd HART variable Channel 1
11
12
13
14
AI1
Analog input data Channel 2
15
16
HV1_0
1st HART variable Channel 2
17
18
19
20
HV1_1
2nd HART variable Channel 2
21
22
23
24
HV1_2
3rd HART variable Channel 2
25
26
27
4.5
2 AI 4-20 mA, 4 HART Variables per Channel
With the PROFIBUS DP/V1 Fieldbus Coupler 750-333 or Fieldbus Controller
750-833, when four HART dynamic variables per channel are incorporated
(optionally PV, SV, TV, QV), the PROFIBUS telegram has a size of 36 bytes.