KEYENCE N-400 - Manual (Page 21)

Chapter 2 Installation Procedure
13
2
Connecting trigger input
To use multi-head scan mode, connect the trigger input to the N-400 only, instead
of to each BL series unit.
2.2.2 Connecting RS-232C
Pin assignment
Pin No. 25 is used for a 5 V power supply output. Do not connect this termi-
nal to the ground terminal or any other terminal when it is unused. Doing this
may damage the N-400 or the external device connected to this terminal.
RS-232C cable connections
■ Connecting personal computer
• Connecting the computer with 25-pin • Connecting IBM PC
A commercially-available straight cable (D-sub 25 pin - 25 pin, or D-sub 25 pin - 9
pin) can be used.
CAUTION
2
Computer
SD
RD
RS
CS
DR
SG
ER
3
4
5
6
2
1 1
N-400
SD
FG FG
RD
SG
RS
CS
DR
ER
3
4
5
6
7
20
7
20
D-sub 25-pin (male)
M2.6 screw D-sub 25-pin (male)
M2.6 screw
2
PC
SD
CD
RD
RS
CS
DR
SG
ER
3
4
5
6
2
1
N-400
SD
FG
RD
SG
RS
CS
DR
ER
3
4
5
6
7
8
7
8
20 1
D-sub 25-pin (male)
M2.6 screw
Connector case
D-sub 9-pin (female)
#4-40 screw
Tips
TIM
SG
COM
15 to 26 VDC
+
+
Contact
or solid state
TIM
COM
Internal circuit
+
+
13 1
25 14
Pin No. Symbol Function Signal direction
1 FG Frame ground —
2 SD (TXD) Sends data. Input
3 RD (RXD) Receives data. Output
4 RS (RTS) Ready to send data. Input
5 CS (CTS) Request to send data. Output
6 DR (DSR) Connected to pin No. 20 inside. Output
7 SG Signal ground —
20 ER (DTR) Connected to pin No. 6 inside. Input
25 +5 V 5 V power supply output (100 mA) Output
* The OP-98769 cable (1.5 m: manu
factured by KEYENCE) and the
OP25057 conversion connector can
be used.
* The OP-98769 cable (1.5 m: manufactured
by KEYENCE) can be used.
D-sub 25-pin (male)
DCE specification (defined as terminal)
M2.6 screw