Siemens SIMATIC NET S7-300 User Manual

5 Configuring Communication Connections
A-118
S7-CPs for Industrial Ethernet Configuring and Commissioning
Release 01/2007
C79000-G8976-C182-07
5.4.2 Specifying ISO Transport Addresses
Address Parameters
An ISO transport connection is specified by the local and remote connection
endpoint.
 Local addresses:
Local MAC address and local TSAP
(Transport Service Access Point)
 Remote addresses:
Remote MAC address and remote TSAP
ISO transport
connection
MAC
address A
Ethernet station BEthernet station A
MAC
address B
Remote
TSAP
Local
TSAP
Local
TSAP
Remote
TSAP
Figure 5-6 Sending and Receiving on One ISO Transport Connection
Notice
The TSAPs of an ISO transport connection must match as follows:
Remote TSAP (on Ethernet CP) = local TSAP (in destination station);
Local TSAP (on Ethernet CP) = remote TSAP (in destination station);

Siemens SIMATIC NET S7-300 Specifications

General

Product Type Designation	SIMATIC NET S7-300
Mounting	DIN rail mounting
Protection Class	IP20
CPU Models	Various models available (e.g., CPU 312, CPU 314)
Communication Interfaces	MPI, PROFIBUS DP
Power Supply	24 V DC power supply required. Different power supply modules available.
I/O Modules	Digital input modules, digital output modules, analog input modules, analog output modules
Programming	STEP 7 software
Supply Voltage	24V DC or 120/230V AC (depending on model)
Digital Inputs	Available via digital input modules
Digital Outputs	Available via digital output modules
Analog Inputs	Available via analog input modules
Analog Outputs	Available via analog output modules
Communication Functions	MPI, PROFIBUS DP, Ethernet (depending on model)
Protocols	MPI, PROFIBUS DP, TCP/IP (depending on model)
Operating Temperature	0°C to 60°C
Storage Temperature	70 °C
Memory	Depends on CPU model (e.g., 32 KB to 1.5 MB)