6 Performing
a test run
52
SIMATIC S7-300 Getting Started for First Time Users
Getting Started, 04/2007, 6ZB5310-0NC02-0BA0
6.2 Starting the test run
1. Set the mode switch of the CPU 312C to “RUN”.
The STOP LED goes out. The RUN LED starts to flash and then displays a
continuous light.