Technical data of CPU 31x
7.3 CPU 314
CPU 31xC and CPU 31x, Technical data
7-12 Manual, Edition 08/2004, A5E00105475-05
Technical data
MPI
Services
• PG/OP communication
Yes
• Routing
No
• Global data communication
Yes
• S7 basic communication
Yes
• S7 communication
– As server
– As client
Yes
Yes
No (but via CP and loadable FBs)
• Transmission rates
187.5 kbps
Programming
Programming language LAD/FBD/STL
Available instructions See the Instruction List
Nesting levels 8
System functions (SFCs) See the Instruction List
System function blocks (SFBs) See the Instruction List
User program security Yes
Dimensions
Mounting dimensions W x H x D (mm) 40 x 125 x 130
Weight 280 g
Voltages and currents
Power supply (rated value) 24 VDC
• Permitted range
20.4 V to 28.8 V
Current consumption (no-load operation) Typically 60 mA
Inrush current Typically 2.5 A
Power consumption (nominal value) 0,6 A
I
2
t 0.5 A
2
s
External fusing of power supply lines
(recommended)
min. 2 A
Power loss Typically 2.5 W
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