2-Phase Stepper Driver DM860S 36-80VAC 50-110VDC 1.8-7.2A

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S2-Phase Stepper Driver


$ 57.00 USD
$ 57.00 USD
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Output Current



7.2 (5.1 RMS)


Supply Voltage









Logic Signal Current





Pulse Input Frequency





Step Revolution





Isolation Resistance


Suitable Stepper Motors

NEMA 23,34,42




P1 Function DM860S Details
PUL+ Pulse signal: In single pulse (pulse/direction) mode, this input represents pulse signal, active at each rising or falling edge (set by inside jumper J3); 4-5V when PUL-HIGH, 0-0.5V when PUL-LOW. In double pulse mode (pulse/pulse) , this input represents clockwise (CW) pulse,active at high level or low level (set by inside jumper J3). For reliable response, pulse width should be longer than 1.5μs. Series connect resistors for current-limiting when +12V or +24V used.
DIR+ DIR signal: In single-pulse mode, this signal has low/high voltage levels, representing two directions of motor rotation; in double-pulse mode (set by inside jumper J1), this signal is counter-clock (CCW) pulse,active at high level or low level (set by inside jumper J3). For reliable motion response, DIR signal should be ahead of PUL signal by 5μs at least. 4-5V when DIR-HIGH, 0-0.5V when DIR-LOW. Please note that motion direction is also related to motor-driver wiring match. Exchanging the connection of two wires for a coil to the driver will reverse motion direction.
ENA+ Enable signal: This signal is used for enabling/disabling the drive. High level (NPN control signal, PNP and Differential control signals are on the contrary, namely Low level for enabling.) for enabling the drive and low level for disabling the drive. Usually left UNCONNECTED (ENABLED).




P2 Function DM860S Details
+Vdc Power supply, 20~50 VDC, Including voltage fluctuation and EMF voltage.
GND Power Ground.
A+, A- Motor Phase A
B+, B- Motor Phase B







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