Q2BYG808MD
Driver
User’s
Manual
-14-
Signal
Function
Description
OZ+
Home
signal
Output
a
pulse
signal
of
50us
width
for
every
revolution
of
the
motor.
OZ
‐
ALM+
Stall
alarm
signal
When
motor
is
stall,
output
stall
alarm
signal,
high
level
active;
low
level
active
during
normal
running.
ALM
‐
(3)
Power
supply
and
motor
interface
(CN1)
Signal
Name
Description
AC
AC
power
supply
terminal
Power
ground
AC
power
supply
terminal,
any
power
supply
between
40V
~
80VAC
AC
B
‐
B
‐
phase
winding
B
‐
phase
winding
of
the
motor
B+
A
‐
A
‐
phase
winding
A
‐
phase
winding
of
the
motor
A+
(4)
Communication
interface
UART
Set
to
RS232
and
RS485
communication
with
DIP
switch
SW12,
set
the
communication
baud
rate
with
DIP
switch
SW11,
connect
to
a
serial
communication
port
of
PC
via
dedicated
cable,
and
change
parameters,
save
parameters
and
monitor
operation
status
through
dedicated
PC
debugging
software.
Pin
No.
Name
Symbol
Functional
application
1
Power
ground
GND
Power
ground
2
SCI
receiving
terminal
RXD
Serial
data
receiving
terminal
3
SCI
transmission
terminal
TXD
Serial
data
transmission
terminal
4
RS485
signal
‐
RS485
‐
RS485
input
signal
‐
5
RS485
RS485+
RS485
input
6
Power+
+5V
Positive
terminal
of
the
power
supply
7
NC
Reserved
8
NC
Reserved
