Status Bytes - Siemens SITRANS FUS060 Operating Instructions Manual
Ultrasonic flowmeters with profibus pa
Hide thumbs
Also See for SITRANS FUS060:
- Operating instructions manual (52 pages) ,
- Quick start manual (17 pages) ,
- Operating instructions manual (122 pages)
Table of Contents
Advertisement
In the PROFIBUS telegram, the measured value is transmitted first and then the corresponding
status.
Table B-2
Byte
No.
VZ: sign: 0 positive, 1 negative E: Exponent M: Mantissa
B.4
Status bytes
Status bytes
The status bytes consist of three components:
• Quality (the MSBs 6 and 7):
Describes the basic quality of the corresponding measured value
• Substatus (bits 2 to 5):
Differentiates the quality of the corresponding measured value
• Limits (the LSBs 0 and 1):
Indicate exceeding of the limit value
Table B-3
Byte
No.
These components may adopt the following values in SITRANS F:
Table B-4
Formats of the quality bits
Bit
Bit
7
6
0
0
bad
0
1
uncertain
1
0
good (not cascade)
SITRANS FUS060 with PROFIBUS PA
Operating Instructions, 09/2021, A5E02225054-AD
Measured value formats
7 (MSB)
6
1
VZ
E
2
7
2
E
M
2
2
0
-1
3
M
M
2
2
-8
-9
4
M
M
2
2
-16
-17
Status byte formats
7 (MSB)
6
5
Quality
Profile Designation
Bit
5
4
E
E
2
6
2
5
M
M
2
2
-2
-3
M
M
2
2
-10
-11
M
M
2
2
-18
-19
Bit
5
4
Substatus
Measured value cannot be used
Measured value uncertain
Measured value OK
PROFIBUS communication
B.4 Status bytes
3
2
1
E
E
E
2
4
2
3
2
2
M
M
M
2
2
2
-4
-5
-6
M
M
M
2
2
2
-12
-13
-14
M
M
M
2
2
2
-20
-21
-22
3
2
1
Meaning
0 (LSB)
E
2
1
M
2
-7
M
2
-15
M
2
-23
0 (LSB)
Limits
91
Advertisement
Table of Contents
