Siemens SIMATIC ET 200SP Manual page 85

Table B-1
Byte
0
1
2
3
4
5
6
7
8
9
10
A HART command can also be sent in the compact message format. In this case, the data
transmitted via DB 80 is reduced to 4 bytes.
Table B-2
Byte
0
1
2
3
Input/output module AI-DI 16/DQ16x24VDC HART HA (6DL1133-6EW00-0PH1)
Manual, 05/2017, A5E39294170-AA
DONE :=M51.7
BUSY :=M51.0
ERROR :=M51.6
STATUS :=MD92
RECORD :=P#DB80.DBX0.0 BYTE 11
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
B.2 HART job and response data records
Block status or error information
Source area in DB80
Comment (Hex)
Req_Control
(00 = Transparent message format.
40 = Transparent message format with SHC sequence)
Number of preamble bytes (05-14)
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 as EXOR addition starting from byte 2 "Start
character" up to the last byte of the command) The check‐
sum must not be sent with the job.)
Comment (Hex)
Req_Control
(20 = Compact message format
60 = Compact message format with SHC string)
Number of preamble bytes (5...20, 255)
Command (CMD)
Length in bytes
HART operating data records
85