Siemens SIMATIC S7-300 Module data Technical Data

Communication
3.2 Communication services
CPU 31xC and CPU 31x, Technical data
3-12 Manual, Edition 08/2004, A5E00105475-05
Routing network nodes: MPI – DP - Ethernet
CPU 1
(e.g. 315-2 DP)
PN
Subnet 3 (PROFInet)
PN
PG
Subnet 2 (PROFIBUS)
DP
(master)
MPI
Subnet 1 (MPI)
MPI/DP
(active slave)
CPU 2
(317-2 PN/DP)
CPU 3
(317-2 PN/DP)
Number of routed connections
The CPUs with DP interface provide a different number of connections for the routing
function:
Table 3-5 Number of routing connections for DP CPUs
CPU As of firmware version Number of connections for routing
31xC, CPU 31x 2.0.0 Max. 4
317-2 DP 2.1.0 Max. 8
31x-2 PN/DP 2.2.0 Interface X1 configured as:
• MPI: Max. 10
• DP master Max. 24
• DP slave (active): Max. 14
Interface X2 configured as:
• PROFINET Max. 24

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)