Siemens SIMATIC S7-300 Module data Technical Data

Technical data of CPU 31xC
6.5 CPU 314C-2 PtP and CPU 314C-2 DP
CPU 31xC and CPU 31x, Technical data
Manual, Edition 08/2004, A5E00105475-05
6-25
Technical data
CPU 314C-2 PtP CPU 314C-2 DP
MPI
Number of connections 12
Services
• PG/OP communication
Yes
• Routing
No Yes
• Global data communication
Yes
• S7 basic communication
Yes
• S7 communication
– As server
– As client
Yes
No (but via CP and loadable FBs)
• Transmission rates
max. 187.5 kbps
2nd interface CPU 314C-2 PtP CPU 314C-2 DP
Type of interface Integrated RS422/RS485 interface Integrated RS485 interface
Physics RS 422/485 RS 485
electrically isolated Yes Yes
Interface power supply (15 to 30 VDC) No Max. 200 mA
Number of connections None 12
Functionality
• MPI
No No
• PROFIBUS DP
No Yes
• Point-to-point communication
Yes No
DP master
Number of connections – 12
Services
• PG/OP communication
– Yes
• Routing
– Yes
• Global data communication
– No
• S7 basic communication
– No
• S7 communication
– No
• Constant bus cycle time
– Yes
• SYNC/FREEZE
– Yes
• Enable/disable DP slaves
– Yes
• DPV1
– Yes
• Transmission rates
– Up to 12 Mbps
• Number of DP slaves per station
– Max. 32
• Address area
– Max. 1 KB I / 1 KB O
• User data per DP slave
– max. 244 bytes I / 244 bytes O

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)