Reader/Writer (V720S-BC5D4)
Section 2-1
2-3
2-1-2 Names of Connector Terminals
Each connector shows pin numbers ,which are viewed from the outside of
the Reader/Writer.
1. Power connector
Shape of
connector
Pin
number
Name
Description
A
+ 24 VDC
Connects the + side of 24 VDC.
B
GR
Connecting to a ground of 100
Ω
or less
C GND Connects
0V.
2. Input/Output connector
Signals have been insulated from one another. The input and output signals
are connected in a pair to INCOM and OUTCOM, respectively.
Shape of
connector
Pin
number
Name
Description
1
RST
RESET signal input
2
IN1
External input signal 1
3
IN2
External input signal 2
4
IN3
External input signal 3
5 INCOM
Common terminal for common use by external
input signals
6
OUT1
External output signal 1
7
OUT2
External output signal 2
8
OUT3
External output signal 3
9
OUT4
External output signal 4
10 OUTCOM
Common terminal for common use by external
output signals
3. Host communication connector
COM1 and COM2 are set commonly, as shown below.
Shape of
connector
Pin
number
Name
Description
1 RD
Receive
data
(RS-2332C)
2
SD
Transmit data (RS-2332C)
3
SG
Grounding for signals (RS-232C)
4 +
+
(RS-485)
5 -
-
(RS-485)
A
B
C
1
3
7
8
10
3 2 1
7 6 5 4
10 9 8
1
2
3
4
5
