6 Connection
−
31
−
Output signals
Driver output signals are photocoupler/open-collector output. The signal state
represents the “ON: Carrying current” or “OFF: Not carrying current” state of the
internal photocoupler rather than the voltage level of the signal.
TIMING
R
2
Controller output
Driver internal circuits
0 V
V
0
10 mA or less
+
-
Use an output signal voltage of 5 VDC minimum and 24 VDC maximum, and use
output signal current of 10 mA max. If the output signal current is greater than
10 mA, connect external resistor R
2
.
V
0
10 mA
R
2
=
[
Ω
]
•
TIM (Excitation timing) output
When the motor-excitation state (combined phases of current flowing) is the
excitation home position (step 0), the driver switches on the timing output. The
motor excitation state is reset to the excitation home position when the power supply
is switched on.
When the motor has a base step angle of 1.8
°
/step, the TIM output turns ON with a
rotation of every 7.2
°
from the excitation home position in synchronization with a
pulse input. The TIM output behaves differently depending on the combined motor
and number of divisions.
Example of TIM output
Step angle
Motor type
Full step
Half step
TIM output
Motor with 1.8
°
/step base step angle
1.8° 0.45°
Every
7.2°
Motor with 0.9
°
/step base step angle
0.9° 0.225°
Every
3.6°
Geared motor with 18 :1 gear ratio
0.1°
0.025°
Every 0.4°
Also, when detecting the mechanical home position for a mechanical device, by
making an AND circuit for the mechanical home position sensor and the TIM output,
the variation in the motor stop position within the mechanical home position sensor
can be reduced and the mechanical home position made more precise.
