MPH-02, MPB-02, MPD-02
Handling, Diagnostic and Service Functions
10-101
DOK-INDRV*-MP*-02VRS**-FK01-EN-P
The answer to a write access contains the following data:
•
In the Ctrl byte of the telegram header bit 4 is set to "1" in order to
identify it as a reaction telegram.
•
The status byte of the useful data header contains the information
whether an error occurred during the processing of the command
telegram.
•
The control byte is read from the command telegram and copied to the
reaction telegram.
•
The device address is read from the command telegram and copied to
the reaction telegram.
•
There
aren’t any useful data entered.
Example:
Transmitting the
S-0-0044, Velocity data scaling type
parameter to the
drive with the address "3". The value 0x0042 is written to the parameter.
Command Telegram:
tel. header
control
byte
device
address
param.
type
parameter no.
(LSB) (MSB)
useful data header
3C
03
00
2C
00
Ta0009f1.fh7
useful data
42
00
Fig. 10-66: Writing the S-0-0044 parameter (command telegram)
Reaction Telegram:
Ta0010f1.fh7
tel. header
status
byte
control
byte
device
address
useful data
header
00
3C
03
Fig. 10-67: Writing the S-0-0044 parameter (reaction telegram)
Starting a Command
With the
service 0x8F "Writing a parameter"
all commands can be
started in the drive via the SIS protocol.
telegram header
useful data header
2 bytes useful data
Fig. 10-68: Structure of the command telegram
•
Enter 0x8F in the service of the telegram header.
•
Enter the command to be activated in the "parameter type" and
"parameter no." bytes of the useful data header.
•
Enter the input of the command in the useful data byte.
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of
CMA/Flodyne/Hydradyne
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