Siemens Simatic S7-300 CPU 31xC and CPU 31x S7-300 - Manual (Page 192)

Technical data of CPU 31x
7.6 CPU 317-2 DP
CPU 31xC and CPU 31x, Technical data
7-26
Manual, Edition 08/2004, A5E00105475-05
Technical data
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
7.6 CPU 317-2 DP
Technical data
Table 7-7 Technical data for the CPU 317-2 DP
Technical data
CPU and version
Order number
6ES7317-2AJ10-0AB0
• Hardware version 01
• Firmware version V 2.1.0
• Associated programming package STEP 7 as of V 5.2 + SP 1
Memory
RAM
• Integrated 512 KB
• Expandable No
Capacity of the retentive memory for retentive
data blocks
max. 256 KB
Load memory Plugged in with MMC (max. 8 MB)
Buffering Guaranteed by MMC (maintenance-free)
Data storage life on the MMC
(following final programming)
At least 10 years
Execution times
Processing times of
• Bit operations 0.05 μs
• Word instructions 0.2 μs
• Fixed-point arithmetic 0.2 μs
• Floating-point arithmetic 1.0 μs