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3.3 P3 - Motor Connector
PIN
A+
Connect to motor A+ wire
A-
Connect to motor A- wire
B+
Connect to motor B+ wire
B-
Connect to motor B- wire
3.4 Indicator Light
There are two lights for EM532MINI. The GREEN one is the power indicator which will be always on generally. The
RED one is a protection indicator which will flash 1-2 times in a 3-second period, when protection enabled for a
EM532MINI. Different number of flashes indicates different protection type (read section 11 for detail).
4. Control Signal and Fault Output
4.1 Control Signal Connection
The EM532MINI can accept differential or single-ended control signals (pulse, direction, and enable) in open-collector
or PNP connection through the P1 connector (figure 2). It is recommend to add an EMI line filter between the power
supply and the drive to increase noise immunity for the drive in interference environments.
Figure 3 Connections to open-collector signals
(Common-anode)
4.2 Fault output connection
When over voltage or over current protection happens, EM532MINI red status LED light will blink and the impedance
state between ALM+ and ALM- will change (from low to high or high to low depending on configuration) and can thus
be detected. Fault output connection is optional, and it can be connected either in sinking or sourcing.
EM532MINI Digital Stepper Drive User Manual
Details
Figure 4 Connections to PNP signals
(Common-cathode)
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