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IDX 7505 Manual (V1.17 / 2011-APR-11)
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Copyright © 2011, TRINAMIC Motion Control GmbH & Co. KG
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GND
GND reference
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REF B
Reference signal B (integrated 3.9 K pull up resistor to +5V)
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REF A
Reference signal A (integrated 3.9 K pull up resistor to +5V)
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+5V
Co5V output, reference
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Step
Opto-decoupled input (negative terminal):
Each impulse causes one motor microstep
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Direction Opto-decoupled input (negative terminal):
Polarity determines motor direction
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Disable
Opto-decoupled input (negative terminal):
Tie to opto-coupler negative supply voltage to disable motor driver
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Common
5… 24V, optocoupler positive supply voltage
Table 4.2: Pinning for GPIOs, interfaces, and switches