Siemens SIMATIC C7-621 Manual page 57

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Network 4 : Operating mode display
A DB1.DBX4.0
= DB1.DBX6.0
= M 21.0
FC2 : Eject conditions
Network 1 : Count
A DB1.DBX1.0
A DB1.DBX4.0
A DB1.DBX0.1
FP M30.0
CV C1
L C1
T DB46.DBW2
AN C1
A DB1.DBX4.0
L C#0
S C1
L DB46.DW2
L DB46.DW0
>I
R C1
Network 2 : Parcel sequence
A DB1.DBX4.0
A DB1.DBX0.0
FN M30.1
L S5T#10S
SE T5
A T5
A DB1.DBX0.0
FP M30.2
S M21.1
Network 3 : Display: parcel detected
A DB1.DBX4.0
A DB1.DBX0.0
= DB1.DBX6.2
= M 21.3
Network 4 : Stop-monitoring
A DB1.DBX4.0
A DB1.DBX1.0
L S5T#5S
SD T3
A T3
S M21.2
Getting Started with C7-621-AS-i
// Belt ON
// Green lamp on casing
// Message flag
// Position switch
// Belt ON
// Inductive Bero
// Rising edge
// Count forward
// Transfer count to DB46.DBW2
// Count = 0
// Belt ON
// Write preset count
// Initialize counter
// If the value in DB46.DW2 is greater than
// the maximum value set, the counter
// is reset
// Belt_ON
// Opto_Bero: parcel
// Edge formation
// Parcel interval at least 10 seconds
// Pulse extension
// Parcel interval too small
// Opto_Bero: parcel
// Edge formation
// Fault in parcel sequence
// Belt ON
// Opto_Bero
// Lamp: parcel detected
// Message flag
// Belt ON
// Parcel at end of belt
// Monitoring time 5 seconds
// ON delay
// Fault in parcel stop
Program Example
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