Setting up an S7-300 with a Technology CPU
4.5 Addressing
4.5 4.5 Addressing
Slots of the S7-300 and associated module start addresses
The Technology CPU is assigned to two slot numbers: 2 and 3.
The input and output addresses for I/O modules begin at the same module start address.
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Figure 4-2 Slots of the S7-300 with Technology CPU and associated module start addresses
Integrated inputs and outputs for integrated technology
The Technology CPU has 4 integrated digital iputs and 8 integrated digital outputs for
integrated technology. You use these integrated inputs and outputs for technology functions,
e.g. reference point acquisition (reference cams) or high-speed output cam switching
signals.
The integrated inputs and outputs can also be used with technology function in the STEP 7
user program.
You use the integrated inputs and outputs for applications in which rapid technological
processing is of prime importance.
DP address areas
The CPU 315T-2 DP has the following address areas:
• For inputs and outputs respectively: 2048 bytes
• Of which in the process image, for inputs and outputs respectively: Bytes 0 to 127
DP (DRIVE) address areas
The CPU 315T-2 DP has the following DP(DRIVE) address areas:
• For inputs and outputs respectively: 1024 bytes
• Of which in the I/O image, for inputs and outputs respectively: Bytes 0 to 63
S7-300 CPU Data: CPU 315T-2 DP
Manual, 12/2005, A5E00427933-02
4-5
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