34
Process Image
WAGO-I/O-SYSTEM 750
750-484 2 AI 4-20 mA HART Ex i
Manual
V 1.2.0 HW-Version 04, SW-Version 03
Table 24: 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
4.4
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.