WAGO I/O System 750
Process Image 35
750-482/000-001 2AI 4-20mA HART NAMUR NE43
Manual
Version 1.0.2
4.4
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.
Table 24: PROFIBUS Telegram, Receive Direction, 3 HART Variable per Channel
PROFIBUS Telegram Input Data (3 Variable per Channel)
Offset
Byte Designation
Remark
0
AI0
Analog input data Channel 1
1
2
HV0_0
1
st
HART variable Channel 1
3
4
5
6
HV0_1
2
nd
HART variable Channel 1
7
8
9
10
HV0_2
3
rd
HART variable Channel 1
11
12
13
14
AI1
Analog input data Channel 2
15
16
HV1_0
1
st
HART variable Channel 2
17
18
19
20
HV1_1
2
nd
HART variable Channel 2
21
22
23
24
HV1_2
3r
d
HART variable Channel 2
25
26
27
There is no status byte in the process image for the “3 HART Variable per
Channel” operating mode.