LFS-PM Series Live Focus System Operating Manual
14
3.1.2 CN1----RS232 Interface
PIN
SIGNAL
DEFINITION
DESCRIPTION
PIN 1
TXD
Send data
—
PIN 2
RXD
Receive data
—
PIN 3
GND
GND
—
3.1.3 CN2----Analog Interface
PIN
SIGNAL
DEFINITION
DESCRIPTION
PIN1
AGND
Analog GND
—
PIN2
Analog In
Analog input
Input scale
：
0
—10V
PIN3
Analog Out
Analog output
Output scale
：
0
—10V
3.1.4 CN3----General Input And Output
PIN
SIGNAL
DEFINITION
DESCRIPTION
PIN1
Lmt+
UP limit
24V level
PIN2
Lmt-
Down limit
24V level
PIN3
EmStp
Emergency input
Low level valid
PIN4
In1
General input
Increment punching signal input
PIN5
In2
General input
—
PIN6
In3
General input
It can be used for open cover protection
or other functions, when low-level, trigger
will alarm.
Limit switches include upper limit, lower limit switch. It is support connections of open
and closed normally. When using normally open mode, change the polarity of the booster
to negative polarity. When using the normally closed, change the polarity of the booster to
positive polarity.
Different types of limit switch wiring instructions
Two types of optoelectronic switch wiring instructions:
Lmt
GND
+24V
LFS
NC
GND
VCC
Optoelectronic switch
NO
Lmt
GND
+24V
NC
GND
VCC
NO
LFS
Optoelectronic switch
Mechanical contact switch wiring instructions as follow:
