Siemens SIMATIC S7-300 Quick Start Manual page 24

Installing and Wiring Your S7-300
Step
Hang each module (the illustration shows the
3.
CPU) onto the DIN rail and swing it down.
4. Screw the module tight.
5. Insert the key into the CPU.
Now that you have installed your
3-4
Procedure
STOP
S7-300, you can wire it.
Illustration
2
1
3
0.8 to 1.1 Nm
Primer: S7-300 Programmable Controller, Quick Start
C79000-G7076-C500-01