JVC DM-NC40 ユーザーズマニュアル
18
1-4 SERIAL Ports and ALARM Port
Signal names of SERIAL ports and ALARM port located on the back of the unit are shown
below.
Step 1
Connection/Installation
(Continued)
[SERIAL 1, 2] Serial ports 1, 2
(Dsub 9-pin, male)
When viewing from the back of unit
SERIAL 1 port
(when set to RS232C)
SERIAL 2 port
[ALARM] input port for alarm and output port for control
(Dsub 15-pin, female)
Pin no.
Signal name
1
NC
2
RXD
3
TXD
4
NC
5
GND
6
NC
7
NC
8
NC
9
NC
SERIAL 1 port
(when set to RS485)
Pin no.
Signal name
1
NC
2
RX –
3
TX –
4
NC
5
GND
6
NC
7
TX +
8
RX +
9
NC
For detailed setup concerning the SERIAL ports,
see “Serial Port Setup screen”, page 40)
see “Serial Port Setup screen”, page 40)
When viewing from
the back of unit
Pin no.
Signal name
1
OUTPUT 1
2
OUTPUT 2
3
OUTPUT 3
4
OUTPUT 4
5
OUTPUT 5
6
OUTPUT 6
7
OUTPUT 7
8
OUTPUT 8
9
INPUT 1
10
INPUT 2
11
INPUT 3
12
INPUT 4
13
GND
14
GND
15
GND
Alarm input port
<Input conditions>
•
Signal length setting (
Trigger Duration, page 38)
•
Polarity setting (
Trigger, page 38)
•
Connection to 5V power, 10k
Ω
internally
•
Current of 10mA or less for input terminal
<Output conditions>
•
Open collector output equivalent
•
Polarity setting (
OutputPin 1 ~ 8, page 39)
•
External connection capacity: DC5V, 10mA
Output terminal
Unit
Alarm input port
Example of sensor
INPUT
1~4
1~4
OUT
R
DC5V
Alarm input equivalent circuit
GND
GND
R
VCC
5V
Unit
Output terminal
Example of controlled device
OUTPUT
1~8
1~8
IN
R
DC5V
GND
GND