Siemens SIMATIC S7-300 Module data Technical Data

Technical data of CPU 31x
7.7 CPU 317-2 PN/DP
CPU 31xC and CPU 31x, Technical data
7-34 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 4096 bytes
• Retentive memory
Configurable
• Default retentivity
From MB0 to MB15
Clock flag bits 8 (1 byte per flag bit)
Data blocks
• Number
2047
(DB 1 to DB 2047)
• Length
64 KB
• Non-Retain support (configured retention)
Yes
Local data per priority class max. 1024 bytes
Blocks
Total 2048 (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
64 KB
Nesting depth
• Per priority class
16
• additional within an error OB
4
FBs See the Instruction List
• Number
2048
(FB 0 to FB 2047)
• Length
64 KB
FCs See the Instruction List
• Number
2048
(FC 0 to FC 2047)
• Length
64 KB
Address areas (I/O)
Total I/O address area max. 8192 bytes/8192 bytes
(can be freely addressed)
Distributed max. 8192 bytes
I/O process image
• Configurable
2048/2048
• Default
256/256
Digital channels 65536/65536
of those local Max. 1024

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)