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