Baumuller b maXX BM4 Series - Specification of Encoder Modules

Specification of encoder modules
Instruction Handbook b maXX (BM4-F-)ENC-XX (Encoder module)
Document No.: 5.01042.12 Baumüller Nürnberg GmbH
22
of 102
3.4
3.4 Specification of encoder modules
BM4-F-ENC-01
BM4-F-ENC-11
BM4-F-ENC-21
for resolvers
Frequency limit see ZMaximum speed resolver– on page 21.
1)
Example:
Number of pole pairs of motor = 3
Number of pole pairs resolver = 1
Number of pole pairs of motor = 3
Number of pole pairs resolver = 2
NOTE!
Some encoders are listed in ZFunction– from page 28. All encoders, which comply
to the following technical specifications, may also be used.
Number of pole pairs The ratio between the number of motor pole pairs
and of the number of pole pairs of the encoder must
be integer.
1))
Permitted current input max. 160 mA
Excitation frequency 4 kHz
Excitation current 160 mA
Transmission ratio BM4-F-ENC-01, 21 0,5
BM4-F-ENC-11 0,28
NOTE
Resolvers are to be used only for motors with maximum ten pole pairs.
3
1
--- 3 permitted=
3
2
--- 1 5 not permitted,=