
12-70 VDC
External
Power Supply
Voltage &
Temp
Monitor
motor
encoder
encoder
5 Volt DC
Power Supply
DSP
Driver
Controller
3.3VDC
Logic
Supply
+
IN1+
Status
IN1
-
IN2+
IN2
-
IN3+
IN3
-
OUT+
OUT
-
GND
GND
+5VDC
+5V
RS-232
Configuration
Port
-
Optional
Power
Conn
Comm
Conn
I/O Connector
RS-232
CANopen
Network
CAN
Conn
CANopen
Controller
Digital
Filter
Optical
Isolation
Software
Filter
Digital
Filter
Optical
Isolation
Software
Filter
Digital
Filter
Optical
Isolation
Software
Filter
Optical
Isolation
Software
Filter
Over-
Current
Monitor
MOSFET
PWM
Power
Amplifier
Node ID
Bit Rate
4
3
2
1
0
F
E
D
C
B
A
9
8
7
6
5
5
0
4
9
3
8
2
7
1
6
Block Diagram - STM23C
I/O Functions (congure in software)
IN1 IN2 IN3 OUT
Clockwise Limit Counterclockwise Limit Home Sensor Fault
General Purpose Input General Purpose Input Enable Input Brake
General Purpose Input Motion
Tach
General Purpose Output
6
STM23 Hardware Manual
920-0021F
2/14/2012
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