Anaheim MICROSTEP DRIVER MDM40001 - Manual (Page 4)

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PIN DESCRIPTIONS P2 TYPICAL HOOK-UPS FOR APPLICATION:
Pin# Description
1 Reduction Adjust: Phase Current Reduction Input. A resistor between
this pin and pin 2 (Connector P2, Current Adjust) will proportionately
reduced the current in both windings (1 second after the last positive
going edge of the step clock input). The amount of current reduction
will depend on the value of the resistor used.
2 Current Adjust: Phase Current Adjustment input. A resistor connected
between this input and the ground input (connector P2, Pin 3) is used to
adjust the maximum Phase Current in the motor. A resistor MUST be
connected to this input.
3 Ground: Supply Voltage Ground. ( Return )
4 +V: Supply Voltage Input. (+12 - 40VDC)
5 Phase 4 of the Step Motor
6 Phase 2 of the Step Motor
7 Phase 3 of the Step Motor
8 Phase 1of the Step Motor
Table 2 - CONNECTOR P2
FIGURE 1