User's Manual

2-1 Reader/Writer(V720S-BC5D4A)
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
1 GND Connects 0V.
2 + 24 VDC Connects the + side of 24 VDC.
1 2
3
1 2
3
3 GR Connecting to a ground of 100 Ω or less
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)
1
3 2 1
7 6 5 4
10 9 8
3
4 7
8
10
1 2 3
4 5