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MA860H Microstepping Driver Manual V1.0
Connector P2 Configurations
Pin Function
DC+
DC-
A+, A-
B+, B-
4. Control Signal Connector (P1) Interface
The MA860H can accept differential and single-ended inputs (including open-collector and PNP output). The MA860H has 3
optically isolated logic inputs which are located on connector P1 to accept line driver control signals. These inputs are isolated to
minimize or eliminate electrical noises coupled onto the drive control signals. Recommend use line driver control signals to increase
noise immunity of the driver in interference environments. In the following figures, connections to open-collector and PNP signals are
illustrated.
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Power supply, 18~80 VAC or 24~110 VDC, Including voltage fluctuation
and EMF voltage. Recommended 18~60VAC or 24~85VDC
Motor Phase A
Motor Phase B
Figure 3: Connections to open-collector signal (common-anode)
Figure 4: Connection to PNP signal (common-cathode)
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