User Manual

15
Siemens A6V10990076_en_c
Smart Infrastructure 2020-04-20
Stepper motor control
SMc (T16) SMv (T7)
Principle Current controlled PWM Voltage controlled
Uni/bipolar Bipolar Unipolar or bipolar mode can be
configured over software
Modes Half or full step mode can be configured over software
LED displays Two green LEDs indicate movement and state of the stepper motor control
Switching capacity Max. 7.2 W Max. 9 W
Overall switching power Max. 12 W
Output voltage Max. DC 24 V Max. DC 12 V
Output current Max. 600 mA Max. 375 mA
Peak current Max. 800 mA Max. 550 mA
Overcurrent protection n/A > 0.8…2 A
Speed 0…500 steps/half steps per second
Thermal warning 150 °C…180 °C 120 °C…170 °C
Capacitive load Max. 2 nF
Line length Max. 10 m
Uninterruptible power supply:
UPS
(POL69U only)
● Energy cells: > 140 Ws
● Charge time: < 180 s
● The EEV failsafe behavior can be set over software
Protection ● Overcurrent
● Overtemperature
● Undervoltage
● Overcurrent
● Overtemperature
● Under and overvoltage
Notice The outputs are not protected against incorrect 24 V wiring