10-102 Handling, Diagnostic and Service Functions MPH-02, MPB-02, MPD-02
DOK-INDRV*-MP*-02VRS**-FK01-EN-P
Service 0x81 Reading a List Segment
• Enter 0x81 in the service of the telegram header.
• Enter the parameter type and parameter no. of the parameter to be
read in the useful data header.
• Enter the offset in the useful data bytes 0 and 1 within the list as a
word (= 16 bit).
• Enter the number of words to be read in the useful data bytes 2 and 3.
• In the control byte of the reaction telegram the current/last
transmission is marked with bit 2.
Note: The output of a sequential telegram is started by the repeated
sending of the unchanged command telegram.
Service 0x8E Writing a List Segment
• Enter 0x8E in the service of the telegram header.
• Enter the parameter type and parameter no. of the parameter to be
read in the useful data header.
• Enter the offset in the useful data bytes 0 and 1 within the list as a
word (= 16 bit).
• Enter the number of words to be written in the useful data bytes 2
and 3.
• A possible error is entered in the useful data in the reaction telegram.
Note: With this service it is only possible to process list segments
that are contained in the list currently available. If the actual list
length is to be changed this list has to be written. Operation in
the sequential telegram mode is impossible.
Command Telegram
Reaction Telegram
Command Telegram
Reaction Telegram
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