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MXH Multiplier Option Manual
1.4.6. Connectors (J1 & J2)
There are two connectors on the MXH multiplier board; J1, which receives signals from a
sinusoidal encoder, and J2, that outputs the frequency-multiplied RS-422 pulses. The
"multiplied" signals are then taken to the controller through the breakout or interface
boards. J1 is a 25-pin female "D" style connector. J2 is a 25-pin male "D" style
connector. The pinouts for these connectors are listed in Table 1-4 and Table 1-5. The
MXH box only uses the SIN, COS, and Marker signals. Hall effect, Limit, and the rest of
the signals are passed directly through the MXH box with minor or no modification. As
with any high frequency signal transfer over cables, strict guidelines for interconnecting
cables should be followed for noise-less, properly phased signal delivery. Figure 1-7 is an
illustration of the MXH encoder cable with the pinouts.
Table 1-4.
Pinouts for Connector J1
Pin
Signals
1
Tied to motor ground. Grounded when connected to an
Shield
interface board through chassis and J2, pin 1.
2
Tied to J2-2
3
Encoder +5V
Supplies 5V to encoder
4
Analog ground. Supplies ground to encoder, tied up with J1,
Ground
pins 20, 21.
5
Hall Effect B
From motor, directly connected to J2-5. 10K pull-up attached.
6
Marker -
Analog sinusoidal input from encoder.
7
Marker +
Analog sinusoidal input from encoder.
8
Output option dependent. See Section 1.4.8. (also Figure 1-12
through Figure 1-15).
9
Output option dependent. See Section 1.4.8. (also Figure 1-12
through Figure 1-15).
10
Hall Effect A
From motor, directly connected to J2-10. 10K pull-up attached.
11
Hall Effect C
From motor, directly connected to J2-11. 10K pull-up attached.
12
CW Limit
From motor, directly connected to J2-12. 10K pull-up attached.
13
Output option dependent. See Section 1.4.8. (also Figure 1-12
through Figure 1-15).
14
COS +
Analog sinusoidal input from encoder.
15
COS -
Analog sinusoidal input from encoder.
16
+5V
Supplies 5V to encoder
17
SIN +
Analog sinusoidal input from encoder.
18
SIN -
Analog sinusoidal input from encoder.
19
Output option dependent. See Section 1.4.8. (also Figure 1-12
through Figure 1-15).
20
Analog ground. Supplies ground to encoder, tied up with J1,
Ground
pins 4, 21.
21
Analog ground. Supplies ground to encoder, tied up with J1,
Ground
pins 4, 20.
22
Home Limit
Directly connected to J2, pin 22. 10K pull-up attached.
23
Output option dependent. See Section 1.4.8. (also Figure 1-12
through Figure 1-15).
24
CCW Limit
Directly connected to J2, pin 24. 10K pull-up attached.
25
Output option dependent. See Section 1.4.8. (also Figure 1-12
through Figure 1-15).
Version 1.6
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Description and Configuration
Description
Aerotech, Inc.
1-9
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