Siemens S7-300 appendix CPU 315-2 PN/DP, Technical data

Technical data of CPU 31x 7.5 CPU 315-2 PN/DP

7.5CPU 315-2 PN/DP

Technical data

Table 7-6		Technical data for the CPU 315-2 PN/DP
Technical data
CPU and version
Order number			6ES7315-2EG10-0AB0
•	Hardware version		01
•	Firmware version		V 2.3.0
•	Associated programming package		STEP 7 as of V 5.3 + SP 1
Memory
RAM
•	RAM		128 KB
•	Expandable		No
Capacity of the retentive memory for retentive			128 KB
data blocks
Load memory			Plugged in with MMC (max. 8 MB)
Buffering			Guaranteed by MMC (maintenance-free)
Data storage life on the MMC			At least 10 years
(following final programming)
Execution times
Processing times of
•	Bit operations		0.1 μs
•	Word instructions		0.2 μs
•	Fixed-point arithmetic		2 μs
•	Floating-point arithmetic		6 μs
Timers/counters and their retentivity
S7 counters			256
•	Retentive memory		Configurable
•	Default		from C0 to C7
•	Counting range		0 to 999
IEC Counters			Yes
•	Type		SFB
•	Number		Unlimited
			(limited only by RAM size)
S7 timers			256
•	Retentive memory		Configurable
•	Default		Not retentive
•	Timer range		10 ms to 9990 s

CPU 31xC and CPU 31x, Technical data	7-19
Manual, Edition 08/2004, A5E00105475-05