Technical data
TopLine C control terminals
Resolver connection
4
l
86
EDS84ASC552 EN 8.1
4.8.3 Resolver connection
Resolvers are connected to X7 (9−pole Sub−D socket).
To avoid interference injection, only use shielded motor and encoder cables if an encoder
is used.
You can connect and operate:
ƒ Resolvers
– Parameterisation of the number of pole pairs in C00925
– Lenze setting: Number of pole pairs = 1.
ƒ Multipole resolvers with a number of resolver pole pairs 2
ƒ Resolvers of other manufacturers
Please ensure compliance with the technical limiting values of the resolver:
Description Rated value
Cable length (system cable is recommended) Max. 150 m
Number of resolver pole pairs 1 ... n
Carrier frequency of the excitation voltage 4 kHz
Impedance Z
RO
= (R
RO
+ j X
RO
) = 65 Ohms (max.)
When a resolver with a lower rotor impedance (Z
RO
) is
connected, the integrated overload protection limits the
excitation current which impairs the signal quality and
may distort the determined actual values.
X7 /
Pin 3
Excitation voltage R.m.s. value: V = 7.07 V
Peak value: û = 10 V
Maximum excitation current R.m.s. value: I = 77.78 mA
Peak value: Î = 110 mA
Pin 1, 2 +REF, −REF
Pin 4, 5 +COS, −COS
Pin 6, 7 +SIN, −SIN
Pin 8, 9 +KTY, −KTY Type: KTY 83−110, KTY 84, adjustable
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