Siemens SIMATIC S7-300 Series Reference Manual page 55
Cpu specifications
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Also See for SIMATIC S7-300 Series:
- Manual (676 pages) ,
- Reference manual (574 pages) ,
- Installation and operating manual (356 pages)
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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. 0.53 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
PLC S7-300, CPU Specifications CPU 312 IFM to CPU 318-2 DP
A5E00111190-01
Voltages, Currents
Power supply
24V DC
S
Permissible range
20.4 to 28.8
Current consumption (idle)
typical 0.7 A
Inrush current
typical 8A
2
l
t
0.4 A
External fusing for supply
Circuit breaker; 2 A
lines (recommendation)
Type B or C
PD supply at MPI (15 to
max. 200 mA
30V DC)
Power losses
typical 8 W
Battery
S
Backup margin at 25_
min. 1 year
C and continuous CPU
buffering
S
Battery shelf life at
approx. 5 years
25_C
Accumulator
No
CPUs
2
s
1-39
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