Ds47 Data Set For Flexible Read Access - Siemens SENTRON PROFINET Proxy SPP2000 Manual

Data traffic
6.3 Acyclic data traffic
6.3.4

DS47 data set for flexible read access

You can flexibly read access the data scope of the SENTRON PAC devices you are using by
means of data set DS47.
This data set only applies to the SENTRON PAC devices. The corresponding slot/subslot
address must therefore be used for writing and reading.
Table 6- 7
Byte
0
2
3
4
6
7
...
max. 240
* You can find the register address of the measured variable or the status in the manual for the device
** Internal device address.
*** Enter the number of registers here. One register is the equivalent of 2 bytes; two registers are the
Table 6- 8
Byte
0
3
11
...
max. 240
The Read response supplies the requested values in the order of their request.
48
Structure of data set DS47 – read request
Length
(bits)
16
8
8
16
8
8
you are using.
For SPP2000 = 00.
The lower-level PAC devices are addressed via slot/subslot for the entire data set. For this reason,
always enter the value "0".
equivalent of 4 bytes, etc.
Structure of data set DS47 – read response
Length
(bits)
16
8
...
Format Data
(examples)
Unsigned short 0x0001
Unsigned char 0x00
Unsigned char 0x02
Unsigned short 0x0321
Unsigned char 0x00
Unsigned char 0x04
Format Data
(examples)
Float 65.6
Double 123456789.01 Value 2, e.g. active energy
Description
Register address for value 1 *
Device address 1 **
Register number 1 ***
Register address for value 2 *
Device address 2 **
Register number 2 ***
Description
Value 1, e.g. current L1
import
PROFINET Proxy SPP2000
Equipment Manual, 03/2022, L1V30814715D-01