Siemens SIMATIC S7-300 Series

CPUs
1-36
PLC S7-300, CPU Specifications CPU 312 IFM to CPU 318-2 DP
A5E00111190-01
Basic Circuit Diagram of the CPU 312 IFM
Figure 1-8 shows the block diagram of CPU 312 IFM.
CPU
CPU power
supply
M
L +
M
Figure 1-8 Basic Circuit Diagram of the CPU 312 IFM