Siemens SIMATIC S7-400 CP 440 - Table 5-4 Control of Frame Storage with Flow Control

Configuring and Parameter Assignment the CP 440
5.4 Configuration data
Point-to-point connection CP 440 Installation and Parameter Assignment
Manual, 09/2007, A5E00057742-03
69
Table 5-4 Control of Frame Storage with Flow Control
With Flow Control Saved Frames Frame Just Arriving New Frames
Reaction to CPU Stop:
Continue
Retained Saved; flow control is
activated if the buffer is full.
Saved; flow control is
activated if the buffer is full.
Reaction to CPU Stop:
STOP
Retained Further data cannot be
received because flow
control is activated.
Further data cannot be
received because flow
control is activated.
See also
Configuration Data of the 3964(R) Procedure (Page 76)
Managing the Parameter Data (Page 81)
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