Task or reply id (ak) – Watson-Marlow MM420 User Manual
Page 112

3 Functions
Issue 10/06
MICROMASTER 420 Operating Instructions
112
6SE6400-5AA00-0BP0
Task or reply ID (AK):
Bits 12 to 15 (AK) contain the task or reply ID. The task IDs are sent in the
telegram from the master to the slave. The meaning of the IDs is listed in the
following table.
Table 3-18
Task IDs (master -> drive converter)
Reply ID
Task ID
Meaning
positive negative
0 No
task
0 -
1
Request parameter value
1 or 2
7
2
Change parameter value (word) and save only in RAM
1
7 or 8
3
Change parameter value (double word) and save only in
RAM
2
7 or 8
4
Request descriptive element
1
3
7
5
Changing the descriptive element
1
MICROMASTER does not support this
3
7 or 8
6
Request parameter value (array)
1
4 or 5
7
7
Change parameter value (array, word)
2
and save only in
RAM
4
7 or 8
8
Change parameter value (array, double word)
2
and save
only in RAM
5
7 or 8
9
Request the number of array elements
6
7
10 Reserved
- -
11
Change parameter value (array, double word) and save in
RAM and EEPROM
2
5
7 or 8
12
Change parameter value (array, word) and save in RAM
and EEPROM
2
4
7 or 8
13
Change parameter value (double word) and save in RAM
and EEPROM
2
7 or 8
14
Change parameter value (word) and save in RAM and
EEPROM
1
7 or 8
15
Read or change text
MICROMASTER does not support this
15
7 or 8
1
The required element of the parameter description is specified in IND (2nd word)
2
The required element of the indexed parameter is specified in IND (2nd word)