Systemsoftware
2-34 System- and communication configuring D7-SYS - SIMADYN D
Edition 03.2001
2.1.9.4 Eliminating cycle errors
The modular SIMATIC TDC/SIMADYN D provides the following
possibilities of eliminating cycle errors:
• Increasing the configured basic sampling time
• Shifting configured blocks from fast to slow tasks.
• Using several or higher-performance CPUs or several SIMATIC
TDC/SIMADYN D stations
• Reducing the number of blocks or changing the block types
• Checking the necessity to have communication interfaces on this CPU
• Checking the necessity for interrupt function packages on this CPU
NOTE
On a case for case basis it should be checked the most cost-effective
way to achieve the desired result.
2.1.10 Technical data of the operating system
2.1.10.1 Features
The most important properties and technical data of the operating system
are specified in the following.
A maximum of 8 (SIMADYN D) or 20 (SIMATIC TDC) CPU modules can
be inserted in a subrack. A CPU module requires 1 slot. Slots which are
not occupied by CPU modules can have peripheral modules.
The maximum number of function diagrams is dependent on the
particular software, but is approximately 65536.
System diagram Available automatically
Basic sampling time
T0 can be configured
From 0.1 [ms] to 16 [ms] in steps of 0.1 [ms]
Number of
configurable cyclic
tasks
5
From the basic
sampling time
T0
To T0 * (2 ** 15)
Configurable from T0 to 32768 * T0 e. g. of 1 [ms] to 32768 [s]
Table 2-10 Technical data of the cyclic task
Number of CPU
modules
Number of function
diagrams
Cyclic tasks
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