Vacon NX OPTC3, User Manual

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p r o f i b u s- va c o n n x i n t er f a c e va c o n • 3 5
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7
7.5 Par am eter dat a
The Vacon var iabl es and fault codes as well as the par ameter s can be r ead and wr itten using PPO
types 1, 2 and 5. The r eading and wr iting can be done via the par am eter field of the pr ofibus message
fr ame. The device par amet er s can be r ead and wr itten and the actual val ues r ead with the hel p of the
par ameter field. The size of the par ameter field is 8 bytes and it is divided into thr ee par ts, ID, Index
and Value.
ID IND VALUE
Figur e 7- 5. Tr ansfer of par ameter data
The par am eter addr esses ar e deter mined in the application. Ever y par ameter and actual val ue has
been given an ID number in the application. The ID number ing of the par ameter as wel l as the par am -
eter r anges and steps can be found in the application manual in question. The par ameter val ue must
be given without decimal s. The ID number s of each par amet er /actual val ue ar e found in the applica-
tion manual . The ID number s ar e gr ouped as follows:
Par am eter ID Gr oup Descr iption
0 Not used
1 … 99 Act ual Val ues
37 Active Faul t Code
100 Not Used
101… 899 Par am et er
900 … 999 Reser ved Reser ved for Pr ofibus internal usage
1000 Not Used
1001…1999 Par am et er
Table 7- 4. Gr ouping of ID number s
AC drive Profibus Board
ID
P
R
O
F
IB
U
S
M
A
S
T
E
R
IND
VALUE
ID
IND
VALUE
A
P
P
L
IC
A
T
IO
N
Read/Write from Drive
Answer from Drive