Siemens SIMATIC S7-300 Series User Manual

CPU Function, depending on CPU and STEP 7 Version
4-6
PLC S7-300, CPU Specifications CPU 312 IFM to CPU 318-2 DP
A5E00111190-01
4.2 The Differences Between the CPUs 312 IFM to 318 and
Their Previous Versions
Memory Cards and Backing Up Firmware on Memory Card
As of the following CPUs:
CPU Order No.
As of Version
Firmware Hardware
CPU 313 6ES7 313-1AD03-0AB0 1.0.0 01
CPU 314 6ES7 314-1AE04-0AB0 1.0.0 01
CPU 315 6ES7 315-1AF03-0AB0 1.0.0 01
CPU 315-2 6ES7 315-2AF03-0AB0 1.0.0 01
CPU 316-2 6ES7 316-1AG00-0AB0 1.0.0 01
You can:
 Insert the 16 bit-wide memory cards:
256 Kbyte FEPROM 6ES7 951-1KH00-0AA0
1 Mbyte FEPROM 6ES7 951-1KK00-0AA0
2 Mbyte FEPROM 6ES7 951-1KL00-0AA0
4 Mbyte FEPROM 6ES7 951-1KM00-0AA0
 Back up the CPU firmware on memory card

Siemens SIMATIC S7-300 Series Specifications

General

Programming Languages	LAD, FBD, STL, SCL, GRAPH
Operating Temperature	0°C to 60°C
Storage Temperature	-40°C to 70°C
Protection Class	IP20
Processor	Depends on CPU model (e.g., CPU 315-2 DP has 16-bit processor)
Memory	Depends on CPU model (e.g., CPU 315-2 DP has 256 KB work memory)
Communication Interfaces	MPI, PROFIBUS DP, Ethernet (depending on model)
Power Supply	24 V DC or 120/230 V AC (depends on power supply module)
Digital Inputs	Depends on module (e.g., 8, 16, 32 channels)
Digital Outputs	Depends on module (e.g., 8, 16, 32 channels)
Analog Inputs	Depends on module (e.g., 8, 16 channels)
Analog Outputs	Depends on module (e.g., 2, 4)
Relative Humidity	5% to 95% non-condensing
Mounting	DIN rail