Siemens SIMATIC C7-621 Manual page 58

Program Example
Network 5 : Faults
O M21.1
O M21.2
= M16.0
A M16.0
A M10.4
= DB1.DBX6.1
A DB1.DBX2.1
R M21.1
R M21.2
Network 6 : Data interface
L MW20
T DB46.DBW4
58
// Fault_parcel sequence
// Fault_parcel stop
// Fault
// Fault
// Flashing frequency
// Red lamp on casing
// Acknowledgment button
// Fault_parcel sequence
// Fault_parcel stop
// Message flags
// Data block CPU_OP
Getting Started with C7-621-AS-i
04/99