Siemens TIM 1531 IRC - Page 245

Block library TeleControl ST7
5.7 Master copies
TIM 1531 IRC
Operating Instructions, 02/2018, C79000-G8976-C468-02
245
Example
● All received frames will be stored in DB TestCopyData.
● Communication via X blocks, i.e. max. 76 bytes per receive block.
● The receive buffer of the DB XComData is the source for FC TestCopy.
● The current receive block contains 3 messages.
Figure 5-1 Example of filling the DB TestCopyData
Length calculation
FC TestCopy uses the following parameters for determining the minimum length for the DB
TestCopyData:
Parameter
Parameter name
Length
Length of communication buffer
Len
ComBuffer
76 or 202 bytes *
Minimum frame length Len
MinTgrm
14 bytes
Offset management area
Offset
40 bytes