Siemens SIMATIC S7-300 Series Reference Manual page 46

CPUs
MPI
S
Services
– PD/OP Yes
communication
– Global data Yes
communication
– S7 basic Yes
communication
– S7 communication Yes (server)
S
Transmission rates 19.2; 187.5 Kbps
Dimensions
Assembly dimension 80 125 130
B H T (mm)
Weight Approx. 0.45 kg
Programming
Programming language STEP 7
Stored instructions See Instruction List
Nesting levels 8
System functions (SFCs) See Instruction List
System function blocks See Instruction List
(SFBs)
User program security Password protection
1-30
Voltages, Currents
Power supply
S
Permissible range
Current consumption (idle)
Inrush current
2
l t
External fusing for supply
lines (recommendation)
PG supply on MPI (15 to
30V DC)
Power losses
Battery
Accumulator
Integrated inputs/outputs
Addresses of integral
S
Digital inputs
S
Digital outputs
Integrated Functions
Counter
Frequency meter
PLC S7-300, CPU Specifications CPU 312 IFM to CPU 318-2 DP
24V DC
20.4 to 28.8 V
typical 0.7 A
typical 8A
2
0.4 A s
Circuit breaker; 10 A,
Type B or C
max. 200 mA
typical 9 W
No
No
E 124.0 to E 127.7
A 124.0 to A 124.7
1 (see Integrated
Functions)
manual
up to 10 kHz max.
(see Integrated Functions)
manual
A5E00111190-01