Technical data of CPU 31x
7.8 CPU 319-3 PN/DP
CPU 31xC and CPU 31x, Technical Data
7-40 Manual, 01/2006 Edition, A5E00105475-06
Technical Data
Dimensions
Mounting dimensions W x H x D (mm) 80 x 125 x 130
Weight 460 g
Voltages and currents
Power supply (rated value) 24 VDC
• Permitted range
20.4 V to 28.8 V
Current consumption (no-load operation) 100 mA
Inrush current Typically 2.5 A
I
2
t Min. 1 A
2
s
External fusing of power supply lines
(recommended)
Min. 2 A
Power loss Typically 3.5 W
7.8 7.8 CPU 319-3 PN/DP
Technical data
Table 7-9 Technical data for the CPU 319-3 PN/DP
Technical data
CPU and version
Order no. [MLFB] 6ES7318-3EL00-0AB0
• Hardware version
01
• Firmware version
V 2.4.0
• Associated programming package
STEP 7, V 5.3 + SP3 + HSP or later
Memory/Backup
work memory
• Work memory, integrated
1.4 Mbyte
• Work memory, expandable
No
Capacity of the retentive memory for retentive
data blocks
700 Kbytes
Load memory Plugged in with MMC (Max. 8 MB)
Data storage life on the MMC
(following final programming)
At least 10 years
Buffering Up to 700 Kbytes (maintenance-free)
Execution times
Processing times of
• Bit instructions, min.
0.01 μs
• Word instructions, min.
0.02 μs
• Fixed-point arithmetic, min.
0.02 μs
• Floating-point arithmetic, min.
0.04 μs