Siemens SITOP series - Page 29

SIMATIC STEP 7 function blocks
5.5 FB SITOP_BUF8600_MS
SITOP PSU8600 Firmware V1.4: Faceplates and Communication Blocks V2.4 for SIMATIC STEP 7 V14 SP1, V15 and V15.1 (TIA)
Function Manual, 11.2018, A5E37763954-09-76
29
Input parameters
Table 5- 8
Parameter
Data type
Description
Hw_Ident_Head
HW_IO Start address of the buffer module.
(Reference, system tag: "BUF8600_100ms_40A_1" or
"BUF8600_300ms_40A_1")
Module_number
Int Number of the plugged expansion module. Starting on the left with 1.
(Maximum of 2 can be plugged)
Note
For S7-300/400
For addressing data type HW_IO, refer to the section
Data type HW_IO (Page 20).
Input/Output parameters
Table 5- 9
Parameter
Data type
Description
Data
UDT_PSU8600_Data DB or global data exchange.
DB must follow the UDT structure.
Note
Data parameter
The DB attribute "Optimized block access" must be unchecked. To do
this, right click on the
global DB of your project in the "Project tree" window and select "Properties". Navigate to
"General > Attributes", clear the "Optimized block access" checkbox.
(Reference, symbolic name of the DB for global data exchange)
Note
For S7-300/400
For S7
-1200/1500 controller, it is sufficient to drag the appropriate DB onto the parameter.
For S7
-300/400 controllers, the procedure may change.
1.
In the "Cyclic interrupt" window, click on the Data IO parameter field for manual
specification entry.
2.
Select the symbolic name of your data block. A list of global DB contents is displayed.
3.
Select "UDT_PSU8600_Data" data type.