Siemens SIMATIC ET 200SP Manual page 66

Appendix
A.2 HART operating data records
m2: CALL SFC 58
Table A-1
Byte
0
1
2
3
4
5
6
7
8
9
10
A HART command can also be sent in compact message format. In this case, the data that is
transferred via DB 80 is reduced to 4 bytes.
Table A-2
Byte
0
1
2
3
64
U E 4.0
FP M 101.0
= M 104.0
REQ :=M104.0
IOID :=B#16#54
LADDR :=W#16#200
RECNUM :=B#16#50
RECORD :=P#DB80.DBX0.0 BYTE 11
RET _ VAL :=MW93
BUSY :=M51.0
A M 51.0
SPB m2
BE
DB80: Transparent message format
Initial value (hex)
00
05
82
98
CF
38
84
F0
01
00
98
DB80: Compact message format
Initial value (hex)
20
05
01
00
Comment (Hex)
Req_Control
(00 = Transparent message format.
40 = Transparent message format with SHC sequence)
Number of preamble bytes (0.05 ... 14,FF)
Start character
(02 = Short Frame with command 0)
(82 = Long Frame with other commands)
Address
(with command 0, the address is exactly 1 byte long and has the
value 0.)
Command (CMD)
Length in bytes
Checksum (CHK)
(calculated starting from byte 2 "Start character" up to the next to
last byte)
Comment (Hex)
Req_Control
(20 = Compact message format.
60 = Compact message format with SHC sequence)
Number of preamble bytes (0.05 ... 14,FF)
Command (CMD)
Length in bytes
Analog Output Module AQ 4xI HART HF
Manual, 05/2019, A5E35098013-AA