Siemens SIMATIC S7-300 Module data Technical Data

Technical data of CPU 31xC
6.2 CPU 312C
CPU 31xC and CPU 31x, Technical data
6-4 Manual, Edition 08/2004, A5E00105475-05
Technical data
IEC Timers Yes
• Type
SFB
• Number
unlimited (limited only by RAM size)
Data areas and their retentivity
Flag bits 128 bytes
• Retentive memory
Configurable
• Default retentivity
MB0 to MB15
Clock flag bits 8 (1 byte per flag bit)
Data blocks Max. 511
(DB 1 to DB 511)
• Length
max. 16 KB
Local data per priority class max. 256 bytes
Blocks
Total 1024 (DBs, FCs, FBs)
The maximum number of blocks that can be
loaded may be reduced if you are using another
MMC.
OBs see the Instruction List
• Length
max. 16 KB
Nesting depth
• Per priority class
8
• additional within an error OB
4
FBs Max. 512
(FB 0 to FB 511)
• Length
max. 16 KB
FCs Max. 512
(FC 0 to FC 511)
• Length
max. 16 KB
Address areas (I/O)
Total I/O address area max. 1024 bytes/1024 bytes
(can be freely addressed)
I/O process image 128 bytes/128 bytes
Digital channels Max. 256
• of those local
Max. 256
• Integrated channels
10 DI / 6 DO
Analog channels Max. 64
• of those local
Max. 64
• Integrated channels
None

Siemens SIMATIC S7-300 Module data Specifications

General

Series	S7-300
Manufacturer	Siemens
Protection Class	IP20
System	SIMATIC S7-300
Digital Inputs	Varies by module
Digital Outputs	Varies by module
Analog Inputs	Varies by module
Analog Outputs	Varies by module
Central Processing Unit	Varies by CPU model
Supply Voltage	24V DC or 120/230V AC
CPU Type	Varies (e.g., CPU 312, CPU 315, etc.)
Memory	Varies by CPU model
Communication Interfaces	MPI, PROFIBUS
Programming Languages	LAD, FBD, STL, SCL, GRAPH
Operating Temperature	0°C to 60°C
Storage Temperature	-40°C to 70°C
Relative Humidity	10% to 95% (non-condensing)