7
ANTRIEBSTECHNIK
6
9
7
KEB COMBIVERT F4-F
Name: Basis
09.08.00
6
Section
Page
Date
©
KEB Antriebstechnik, 1999
All Rights reserved
Chapter
Functional Desription
Encoder Interface
1000
10000
1000
10000
200 kHz
300 kHz
6.9.4
Selection of
Encoder
Precondition for a good control behaviour of a drive is not least a question of the selection
and the correct connection of the encoder. This also includes the mechanical as well as
the electrical connection.
Max. operating
frequency
(max.sampling
frequency)
Depending on the max. operating frequency of the encoder input, the encoder and the
maximum speed of the drive the line number of the encoder can be selected.
6.9.4 Speed and line number in dependence on the max. operating frequency of the
encoder inputs
Encoder input 2
Encoder input 1
Speed n [min
-1
]
Line number z
When a SSI-multiturn-absolute value encoder is connected, the bits for the multiturn-
resolution can be adjusted. (12 bit)
Multiturn resolution
encoder 2 (dr.31)
Encoder 2 clock
frequency (dr.32)
Encoder 2 code (dr.33)
For SSI-encoder two codes are supported by the unit:
0 : Binary coded
1 : Gray code
The clock frequency of the SSI-encoder is adjusted with parameter dr.32. Selection between
two clock frequencies is possible 0 : 312,5 kHz or 1 : 156,25 kHz. The smaller clock frequency
should only be adjusted with long line lenghts, because malfunctions can occur with a
bigger clock frequency.