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Terminal Description
V+
GND
Screw Terminals
Terminal
No. / Color
1 / Red
V+
2 / Black
GND
3 / White Vcc
4 / Green DIR
5 / Blue
STEP
6 / Yellow SHDN
Note:
(1) Please refer to "optically isolated input interface" section for details.
(2) Input is considered high level if this terminal is not connected.
(3) Low‐level pulse duration should > 8μs. Maximum pulse frequency is 50 KHz.
(4) An active low‐level input shuts down power supply to the motor. High‐level input or left open makes the
controller fully working. When awaken from shutdown mode, wait 1 millisecond before sending pulse.
Motor Wiring Pads
Pad A + / A- (at the bottom of the controller): Connect to the stepper motor phase A
Pad B + / B- (at the bottom of the controller): Connect to the stepper motor phase B
Note: To avoid damaging the controller, make sure the phase winds are
!
connected correctly. Resistance between different phases' leads is usually >
100KΩ. Resistance between different phases' leads is usually < 100Ω.
UI Robot Technology Co. LTD
UIM24002 / UIM24004 / UIM24008
DIP Switch
Vcc
DIR
Description
UIM24004‐8
Supply voltage
UIM24002
Supply voltage ground
Opto‐coupler common anode
(2)
Direction input
(3)
Stepping pulse input
Shutdown the controller
To avoid loss of terminal
screws, please always keep
screws tightened.
STEP
SHDN
MIN NOM MAX
12 40
10 35
0
(1)
5
GND Vcc
GND Vcc
(4)
GND Vcc
M24020100321EN
Phase B
Phase A
UNIT
VDC
VDC
VDC
VDC
VDC
VDC
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