Data in the PROFIBUS-DP messages
7SJ61...7SJ63, 7SJ65, 6MD63 PROFIBUS-DP – Bus mapping
C53000-L1840-B006-02
1-8
Standard mapping 2-3:
Module
Order number
Input
address
Output
address
0
Input – 16 Bytes
Addr_Ix
1
Input – 16 Bytes
16
2
Input – 16 Bytes
32
3
Input – 16 Bytes
48
4
Input – 16 Bytes
64
5
Output – 8 Bytes
Addr_Ox
Standard mapping 2-4:
Module
Order number
Input
address
Output
address
0
Input – 16 Bytes
Addr_Ix
1
Input – 12 Bytes
16
5
Output – 2 Bytes
Addr_Ox
Addr_Ix and Addr_Ox indicate arbitrary (as a rule even) addresses in the
I/O addressing range of the PROFIBUS-DP master.
Addr_Ix (base address of the inputs) is identical with offset 0 of the
PROFIBUS-DP message data of the SIPROTEC device in input
direction (ref. to chap. 2.2, 3.2, 4.2 and 5.2).
Addr_Ox (base address of the outputs) is identical with offset 0 of the
PROFIBUS-DP message data of the SIPROTEC device in output
direction (ref. to chap. 2.1, 3.1, 4.1 and 5.1).
Note
There is dependently on the PROFIBUS-DP master in addition possibly
the demand to put the base address of the inputs on a value divisible by
four so that accesses on the metered measurands (unsigned long
values, ref. to chap. 2.2.4, 3.2.3, 4.2.3 and 5.2.3) can be correctly
carried out in the PROFIBUS-DP master.
Compatibility to
DIGSI 4.1 standard
mappings
The standard mappings 1 to m (m = device type dependent number of
standard mappings) enclosed to DIGSI 4.1 can be replaced by the
standard mappings 2-1 to 2-3 to make customizations of the allocation
and scaling possible.
The following relations are valid:
corresponds to DIGSI 4.1 mapping
DIGSI 4.2 mapping
in the size
in the measured
value scaling
Standard mapping 2-1
Standard mapping 1 to 4 of
the devices 7SJ62/63
Standard mapping 1 of
the device 7SJ62/63
Standard mapping 2-2
Standard mapping 1 and 2 of
the device 7SJ61
Standard mapping 1 of
the device 7SJ61
Standard mapping 2-3
Standard mapping 1 to 3 of
the device 6MD63
Standard mapping 1 of
the device 6MD63
