VACON CX
Profibus user’s manual
Page
14
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Vacon Oyj
Phone +358-201-2121
Fax: +358-201-212 205
Answer Slave - Master:
ID
1066 hex
1 - Parameter value ready
066 - Parameter 102 (= Maximum frequency )
IND
0000 hex
0000 - No meaning
VALUE
0000 0032 hex
0000 0032 - Parameter value = 32hex ( 50 Hz)
SW
0000 hex
0000 - frequency converter status (see chapter status word and state
machine)
ACT
0000 hex
Current speed 0,00% (= 0,00 Hz if parameter min. frequency 0 Hz
and max. frequency 50 Hz)
PPO1 frame:
10 66 00 00 00 00 00 32 00 00 00 00
Example 2
, (PPO1 mode):
Write to parameter number 701 (Par 7.1) value 2.
Keep Run mode on and Send speed reference 75,00%.
Command Master - Slave:
ID
22BD hex
2 - Write parameter value
2BD - Parameter 701 (= Response to reference fault )
IND
0000 hex
0000 - No meaning
VALUE
0000 0002 hex
0000 0002 - Parameter value
CW
047F hex
04 7F- Start command (see chapter control word and state machine)
REF
1D4C hex
Speed ref. 75,00% (= 37,50 Hz if parameter min. frequency 0 Hz and
max. frequency 50 Hz)
PPO1 frame:
22 BD 00 00 00 00 00 02 04 7F 1D 4C
Answer Slave - Master:
ID
12BD hex
1 - Parameter value ready
2BD - Parameter 701 (= Response to reference fault )
IND
0000 hex
0000 - No meaning
VALUE
0000 0032 hex
0000 0032 - Parameter value = 32HEX ( 50 Hz)
SW
0337 hex
0337- frequency converter status (see chapter status word and state
machine)
ACT
09C4 hex
Current speed 25,00% (= 12,50 Hz if parameter min. frequency 0 Hz
and max. frequency 50 Hz)
PPO1 frame:
12 BD 00 00 00 00 00 00 03 37 09 C4