4
STR Hardware Manual
920-0030E
2/3/2010
Block Diagram
AMPLIFIER
24-48 VDC (STR4)
24-75 VDC (STR8)
from external power supply
Status LEDs
Motor Selection
Current
Idle Current
Steps/Rev
Load Inertia
Self Test
STEP
DIR
OUT1
Overcurrent
Sensors
motor
3.3/5/15V
Regulators
Optical
Isolation
Optical
Isolation
Software
Filter
Digital
Filter
Optical
Isolation
EN
DSP
Voltage
Sensors
4
3
21
0 F
E D C B A
9 8
76
5
1
2
3
4
5
6
7
8