Siemens SIMATIC NET S7-300 User Manual

8 NCM S7 Diagnostics
A-268
S7-CPs for Industrial Ethernet Configuring and Commissioning
Release 01/2007
C79000-G8976-C182-07
Table 8-1 Meaning of the Menu Commands
Menu Meaning
Options
"
Customize With this menu command, you set the general parameters for the diagnostic
session.
 Dialog update time
This sets the interval at which the diagnostic data is updated in a
contents area when cyclic updating is selected.
 Maximum size of the diagnostic buffer log file
This sets the maximum size of the file that is created with the menu
command Diagnostic Buffer > Save Cyclically...(specified in Kbytes)
Help
"
You can obtain help about the current diagnostic function As an alternative,
you can also press the F1 key.
Remember that you can also call up context-related help for some of the
diagnostic functions. To obtain help, position the cursor on the output field
and press the F1 key.
Note
If the connection to the CP is terminated during the diagnostic session, the
following message is displayed: “The online connection was terminated”.
You can reestablish the connection to the CP with the corresponding
acknowledgment in the dialog. The connection is then automatically reestablished
whenever possible.

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)