Siemens Simatic S7-1500R - Page 227

Figure 9-2RH_CTRL instruction
Example: Disabling/enabling SYNCUP for a baggage handling system
Automation task
A baggage handling system at an airport is used to distribute pieces of baggage. When a
flight lands, all baggage is loaded onto the baggage handling system. The baggage passes
through a scanner at high speed. The scanner checks the destination of the baggage:
•
If a piece of baggage has reached its destination airport, the baggage handling system
forwards it directly to baggage claim.
•
If a piece of baggage has not reached its final destination, the system immediately
redirects it towards the connecting flight.
(;,7


① Scanner
② Deflector
Figure 9-3Airport baggage handling system
To ensure high availability for the baggage handling system, you use an S7‑1500R/H
redundant system as controller. If one of the CPUs fails (loss of redundancy), the S7‑1500R/H
redundant system switches from the RUN-Redundant system state to RUN-Solo. A CPU
227
Basics of program execution
9.4 Special instructions for S7-1500R/H redundant systems
S7-1500R/H redundant system
System Manual, 11/2022, A5E41814787-AD