Siemens Simatic S7 Series System Manual

S7-200 SMART
System Manual, 09/2015, A5E03822230-AC
453
Debugging and troubleshooting
10
STEP 7-Micro/WIN SMART provides software tools to help you debug and test your
program. These features include viewing the status of the program as it is executed by the
CPU, selecting to run the CPU for a specified number of scans, and forcing values.
Use the hardware troubleshooting guide (Page 465) as a guide for determining the cause
and possible solution when troubleshooting problems with the hardware.
10.1
Debugging your program
10.1.1
Bookmark functions
You can set bookmarks in your program to make it easy to move back and forth between
designated networks in a long program:
Toggle Bookmark:
Click this button to set or remove a bookmark at the pro-
gram network designated by the current cursor location.
Next Bookmark:
Click this button to move to the next bookmarked network of
your program.
Previous Bookmark:
Click this button to move to the previous bookmarked
network of your program.
Remove All Bookmarks:
Click this button to remove all bookmarks in your
program.

Siemens Simatic S7 Series Specifications

General

CPU	Varies by model (e.g., S7-300, S7-400, S7-1200, S7-1500)
Communication Interfaces	PROFIBUS, PROFINET, Ethernet, MPI
Programming	TIA Portal, STEP 7
Programming Languages	LAD, FBD, STL, SCL, GRAPH
I/O Modules	Digital, Analog, Specialty modules available
Operating Temperature	0°C to 60°C (standard models)
Mounting	DIN rail mounting
Operating Voltage	24V DC or 120/230V AC (varies by model)
Protection Class	IP20 (standard models)
Memory	Varies depending on the S7 model. Includes work memory (RAM) for program execution, load memory (EEPROM or Flash) for program storage, and system memory for operating system functions. Memory sizes range from kilobytes to megabytes.