Appendix B: Useful Information; Data Format In The Siemens Plc Simatic - Siemens SPC3 Hardware Description

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12 Appendix B: Useful Information

12.1 Data format in the Siemens PLC SIMATIC

The SPC3 always sends data from the beginning of the buffer till the end. 16Bit values are shown in the
Motorola format. For example:
Buffer pointer
Buffer pointer +1
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high byte
low byte
V1.3
SPC3
SPC3 Hardware Description
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