Rs-232C Interface (Com1/Com2); Interface (Com3) - PROFACE PL-5700 Series Manual

4

RS-232C Interface (COM1/COM2)

DB 9 pin male connector
1 2 3 4 5
6 7 8 9
JEY-9P-1A3A14 - by J.S.T, or equivalent
*1 : With COM2, pin 9 can be configured for +5 V output, via a jumper.
See next page's "2-3, 6 Jumper Settings".
5 RS-485 Interface (COM3)
<Interface Circuit>
SN751178N or equivalent
2-8
This unit's RS-485 (RS-422) Port is not isolated, there-
fore, it is crucial that you connect the SG/GND (Signal
Ground) terminals. If this is not done, the RS-485 (RS-
422) circuit may be damaged.
M3 screws
TXD
DTR
RXD
Use the GND and FG terminals only when the connected device requires them.
7
6
5
4
3
2
1
Specifications
Pin No. Signal Pin No.
1 CD 6
2 RXD 7
3 TXD 8
4 DTR 9
5 GND
Pin No. Signal
1 TD-
2 RD-
3 TD+
4 RD+
5 GND
6 FG
7 NC
J9
220
J10
220
PL-5700 Series User's Manual
Signal
DSR
RTS
CTS
1
RI/(5V)*
TD+
TD-
RD+
RD-
GND
FG