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S7-300 CPU 31x -- Product information -- Determining performance and quantity frameworks
How many connections and communication jobs do SIMATIC S7-300 and S7-400 support simultaneously?
Which connection resources are occupied in the S7-300 CPU for communication connections and services of the Industrial Ethernet CP?
What are the system limits in an F CPU for safe bidirectional data communication using S7 Communication?
How can you determine the size of the load memory and main memory of a SIMATIC S7-300/400 CPU?
What restrictions are there for active jobs when communicating with SFC 58 / SFC 59 and SFB 52 / SFB 53 via PROFIBUS DP and PROFINET IO?
Where do you find information on transmission times on the PROFIBUS or Industrial Ethernet?
What is a hardware interrupt and how do they work in the S7-300 system?
What is the maximum number of OPs that a CPU S7-300 can communicate with?
What can you do when the power requirement of the modules in the subrack exceeds the power supply provided by the CPU on the backplane bus?
Does PROFIBUS DP communication use connection resources?
What is the maximum number of CP modules that can be slotted in a SIMATIC S7-300/400 station?
Why, in the case of a networked SIMATIC S7, does the connection to the OP clear down when you call diagnostics functions with the PG or transfer blocks?
How many breakpoints can you insert when debugging a program?
S7-400 CPU 41x -- Product information -- Determining performance and quantity frameworks
How can you change the size of the available free main memory of a SIMATIC S7-400 CPU?
How many connections and communication jobs do SIMATIC S7-300 and S7-400 support simultaneously?
Which connection resources are occupied in the S7-400 CPU for communication connections and services of the Industrial Ethernet CP?
How many breakpoints can you insert when debugging a program?
What are the system limits in an F CPU for safe bidirectional data communication using S7 Communication?
How can you determine the size of the load memory and main memory of a SIMATIC S7-300/400 CPU?
Where do you find information on transmission times on the PROFIBUS or Industrial Ethernet?
What is a hardware interrupt and how do they work in the S7-400 system?
What restrictions are there for active jobs when communicating with SFC 58 / SFC 59 and SFB 52 / SFB 53 via PROFIBUS DP and PROFINET IO?
How many breakpoints can you insert when debugging a program?
Part number:

The maximum number of breakpoints that can be used is determined by the CPU used.

Four breakpoints:

  • All SIMATIC S7-400 CPUs
  • All SIMATIC S7-300 CPUs as from firmware V3.x
  • CPU 318-2 DP

Two breakpoints:

  • All SIMATIC S7-300 CPUs (except CPU 318-2 DP) with firmware lower than V3.x

If you have used up your breakpoint resources, you must first reset (delete) a breakpoint before you can set it at another point. Here you must note that breakpoints already run through continue to occupy resources. If you exceed the maximum number of breakpoints that can be used, you get an error message "D062 / D063" (resources exceeded).

 Entry ID:22725914   Date:2006-03-13 
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