Owner's manual

5-14 SECS Scenarios
5.5.4 Unformatted, Equipment-Initiated Upload
Table 5-37 SECS Messages Unformatted, Equipment-Initiated Upload
Step SECS Message Description
1 H <- E S7F1 W
Process Program Inquire. If S7F3 is multi-block, the Equipment
requests permission to send a multi-block message. If S7F3 is
single-block, skip this and the following step.
2 H -> E S7F2
Process Program Grant. The Host grants permission. If PPGNT
is non-zero, the scenario fails here.
3 H <- E S7F3 W
Send Process Program. The Equipment uploads Process
Program to Host.
4 H -> E S7F4 The Host acknowledges. The Equipment ignores ACKC7.
5.5.5 Host Deletes Process Program
Table 5-38 SECS Messages Host Deletes Process Program
Step SECS Message Description
1 H -> E S7F17 W
Host sends a request to delete one or more Process Programs
from the Equipment’s library of Process Programs.
2 H <- E S7F18
The Equipment replies with an acknowledge code. If all
specified Process Program(s) were deleted successfully, the
acknowledge code is 0. If one or more of the specified Process
Programs could not be deleted, the acknowledge code is non-
zero.