Delta Tau PMAC2 User Manual download pdf (Page 21)

Turbo PMAC2 Realtime Express Controller

Hardware Setup

Auxiliary Connector, J8

The 15-pin DB style female connector contains connections for handwheel quadrature input, two

ADC inputs, one DAC output and one pulse and direction output. Please check the software setup

and connector pin out sections for more information on how to use each of these features.

J8 AUX

DB15 Female

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9101112131415

Pin #

Symbol

Function

ADC1-

Analog-to-Digital input, negative signal or DGND

ADC2-

Analog-to-Digital input, negative signal or DGND

DAC1-

±10VDC output, inverted

DIR1-

Direction output, inverted

PUL1-

Pulse output, inverted

HW1_CHA1-

Handwheel Quadrature input A/

HW1_CHB1-

Handwheel Quadrature input B/

DGND

Digital Ground

ADC1+

Analog-to-Digital input, positive signal

ADC2+

Analog-to-Digital input, positive signal

DAC1+

±10VDC output

DIR1+

Direction output

PUL1+

Pulse output

HW1_CHA1+

Handwheel Quadrature input A

HW1_CHB+

Handwheel Quadrature input B

to use the ADCs with single ended signal, connect the ADC1- and ADC2- to pin 8 DGND

Handwheel Wiring

The handwheel wiring should be done as shown in the following figure. You can use differential

or single-ended signals from any quadrature encoder. Make sure that you tie the ground

connection of the encoder to the ground connection of the J8 if you’re planning to use single-

ended encoder. Since there is no power output pin available on J8, you need to power up the

encoder from a separate source (a.e. JTHW).

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9101112131415

Quadratue

Encoder

+5VDC

GND

Handwheel Wiring

To read the handwheel counts, you need to implement these settings in Encoder Conversion

Table:

I8000=$78410

M1010->X:$3501,0,24,s

1 ... 20 21 22 ... 53

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Delta Tau PMAC2 User Manual Page 21

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