Soloist Hardware Manual
Technical Details
www.aerotech.com
3-17
3.3.1. MXU Option
The MXU encoder input option, is designed for a differential analog encoder in the range
of 0.6 to 2 volts (Peak to Peak). The maximum input frequency is limited to 200 kHz. The
–
MXU option multiplies the resolution programmatically up to 512 times (total). The
multiplication factor is defined by the CfgFbkEncMultFactorMXU axis parameter.
The encoder input should be adjusted for optimum performance by the
CfgFbkEncCosGain, CfgFbkEncCosOffset, CfgFbkEncPhase, CfgFbkEncSineGain,
CfgFbkEncSineOffset, CfgFbkEncMultFactorMXU axis parameters. This can be done
automatically using the
“
Encoder Feedback Configuration
”
utility. See the Soloist HMI
help for more information.
The
–
MXU option is not compatible with PSO firing capabilities because it does not
generate a serial pulse stream as required by the PSO (Position Synchronized Output)
option.
A standard differential line driver encoder must be used if this option is not present, see
Section 3.3. for more information. See the figure below for MXU typical input circuitry.
The pin out is indicated in Table 3-11.
SIN+, COS+, MKR+
(Typical)
.47
10K
R294
10K
C407
R293
10K
C405
33PF
C408
33PF
C406
33PF
M18-B
AD822
C409
33PF
7
-
6
5
+
C29
C30
.1
330PF
C28
+
A
1
0
U
F
6
.3
V
A
10K
R285
R295
R317
1K
R319
1K
R316
1K
C31
330PF
J103
J103
SIN-, COS-, MKR-
(Typical)
Figure 3-14.
Optional -MXU Analog Encoder Interface (J103)
1
14
13
25
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