Beijing RichAuto S&T Co., Ltd.
11
3.2 I/O ports
Terminal Name
Pin definition
Pin functions
and parameters
Attention matters
D
C2
4V
24V+
Input power
Provide 24V operating voltage for
the interface board after power
up.
Recommend to use DC 24V
(current = 3A) current
source
GND
return circuit ground
X_
A
XI
S
5V
Xaxis common anode
signal
X-axis driver common anode
power supply terminal, 5V output
Do not impose any other
voltage on this pin.
PULSE Xaxis pulse signal
Output voltage
≧
3V;
Drive current
≦
8mA
DIR
Xaxis direction signal
Output voltage
≧
3V;
Drive current
≦
8mA
SHIELD Shield signal
X-axis driver signal output shield
wire
Do not impose any other
voltage on this pin.
Y_
A
XI
S
5V
Yaxis common anode
signal
Y-axis driver common anode
power supply terminal,5V output
Do not impose any other
voltage on this pin.
PULSE Yaxis pulse signal
Output voltage
≧
3V;
Drive current
≦
8mA
DIR
Yaxis direction signal
Output voltage
≧
3V;
Drive current
≦
8mA
SHIELD Shield signal
Y-axis driver signal output shield
wire
Do not use this port as a
ground port.
Z_
A
XI
S
5V
Zaxis common anode
signal
Z-axis driver common anode
power supply terminal, 5V output
Do not impose any other
voltage on this pin.
PULSE Zaxis pulse signal
Output voltage
≧
3V;
Drive current
≦
8mA
DIR
Zaxis direction signal
Output voltage
≧
3V;
Drive current
≦
8mA
SHIELD Shield signal
Z-axis driver signal output shield
wire
Do not use this port as a
ground port.
C_
A
XI
S
5V
C axis common anode
signal
C-axis driver common anode
power supply terminal, 5V output
Do not impose any other
voltage on this pin.
PULSE C axis pulse signal
Output voltage
≧
3V;
Drive current
≦
8mA
DIR
C axis direction signal
Output voltage
≧
3V;
Drive current
≦
8mA
SHIELD Shield signal
C-axis driver signal output shield
wire
Do not use this port as a
ground port.