HOKUYO AUTOMATIC CO.,LTD.
7. Pin arrangement of RS-232C
a) Male connector of D-sub with 9 pins
(Right and left is reverse under female connector at cable side)
b) Female connector of D-sub with 25 pins
SG : Ground for signal
FG : Frame ground
Contents of RS-232C signal cables
(Direction of I/O and functions seen from PC side)
Signal
I/O
Function
TXD(Transmit Data)
Output
Transmission of serial data
RXD(Receive Data)
Input
Reception of serial data
RTS(Ready to Send)
Output
Request to send data
CTS(Clear to Send)
Input
Response for RTS(Sounded transmission permission)
DTR(Data Terminal Ready)
Output
Request to be ready
DSR(Data Set Ready)
Input
Response for DSR(Check to be ready)
CD(Carrier Detect)
Input
Detection of carrier
CAUTION : Make sure to short-circuit the unused pin, RTS-CTS-CD and DTR-DSR.
c) Colors and functions of UBG's cable and wiring pattern for pin No. of PC
(Connect the following 3 pcs of pin only)
Color
Signals
Pin No. of D-sub with 9 pins
Pin No. of D-sub with 25 pins
Yellow(Red) Serial
input(RXD)
3(TXD)
2(TXD)
Yellow(Green) Serial
output(TXD) 2(RXD)
3(RXD)
Yellow(Black) Signal
GND
5(GND)
7(SG)
CAUTION : Use the cable within 3m between UBG and PC because the detection area can't be set by PC.
PROHIBITION
* Don't connect any other cable to RS232C signal cable except when detecting area is set by PC.
Title
Measuring Distance Type Obstacle Detection
Sensor UBG-05LN Instruction Manual
Drawing
No.
C-41-2384 15/17
CD
RXD
TXD
DTR
GND
DSR
RTS
CTS
1
6
5
9
RXD
TXD
DTR
FG
DSR RTS
CTS
13
25
l
14
SG
CD
