1. As shown abovePOWERIN power input interface, as shown above left negative ultra-right is positive, ~~ 50V input voltage 12.
2. STEP DIRVER PORT is stepping motor interface, from left to right definition A is B +, B -, A +, A –
3. CTR PORT is input control interface,, from left to right in turn definition is DIR -, DIR +, STEP -, STEP +, EN, EN +
4. MOD SW is working mode selector switch, as shown in figure, from the top to the bottom of a single definition is M1, M2, M3, LATCH, which control the driver the breakdown of the selection and error reset mode
LATCH: ON: automatic recovery mode, OFF: manual recovery mode.Attention: as shown in figure 3 shows, switch to the left dial is OFF, switch dial the to the right is ON
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