Siemens SIMATIC NET S7-300 User Manual

6 Programmed Communication Connections
A-178
S7-CPs for Industrial Ethernet Configuring and Commissioning
Release 01/2007
C79000-G8976-C182-07
Table 6-10 , continued
Subfield
ID
1)
Meaning of the ParameterSubfield length
(in bytes)
Subfield type
12 SUB_REM_TSAP TSAP length + 4 Remote TSAP
13 SUB_EMAIL_SENDER Length of the
sender E-mail
address + 4
E-mail address of the sender
14 SUB_DHCP_ENABLE 2 + 4 Obtain an IP address from a DHCP
server
 Possible values:
0 = no DHCP
1 = DHCP
(optional)
15 SUB_CLIENT_ID Length of the
client ID + 4
(optional)
18 SUB_CONNECT_NAME Length of the
name + 4
Name of the connection
19 SUB_LOC_MODE 1 + 4 Local mode of the connection
 Possible values:
0x00 = SEND/RECV
0x01 = FTP protocol (TCP
connection only)
0x10 = S5 addressing mode for
FETCH/WRITE *)
0x80 = FETCH *)
0X40 = WRITE *)
If you do not set the parameter, the
default setting is SEND/RECV.
*) Note:
The specified codings can be can be
combined by ORing them.
20 SUB_REM_MODE 1 + 4 Setting the mode on the
communication partner.
(not currently supported)
22 SUB_CON_ESTABL 1 + 4 Type of connection establishment.
With this option, you specify whether
the connection is established by this S7
station.
 Possible values:
0 = passive
1 = active
Refer also to Chapter 5 under
”Specifying the local connection
endpoint” for the individual connection
types.

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)