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CPU 412, 414, 416, 417
Special features with SFC 13 "DPNRM_DG"
If an error occurs while editing SFC 13, the Busy bit may not be set to "0". Therefore, check the
parameter RET_VAL each time you finish editing SFC 13.
Creating block–related messages
Contrary to the information in the Online Help and in the related electronic manual, the follo-
wing applies for SFBs memory requirement for creating block-related messages:
For a smooth function, the SFBs for creating block-related messages require a communica-
tions data buffer dependent on an associated value in the CPU's memory (code area). Refer to
the table below for the size of the used memory.
Block Type
NOTIFY, NOTIFY_8P, ALARM,
ALARM_8P
ALARM_8
AR_SEND
8
Memory Requirement in the CPU's Memory in Bytes
200 + 2 * Size of the specified associated value during
the first call to SD_1,...SD_10
100
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