Section
3–10
MN1229
Serial Interface Wiring
Serial Interface
The Serial interface (DB9 connector X6) is used for communication with a PC
(Personal Computer) or other equipment.
RS232 - Not available in model DBSC 10X-BXX.
For the RS232 interface, a standard shielded modem cable can be used for
connection to a PC. If the cable is straight through (pin to pin), a null modem
connector must be used.
These are the only RS232 signals supported by the DBSC control. Mode is
jumper selectable as described in Section 4 of this manual.
RS422/RS485 - Not available in model DBSC 10X-AXX.
RS422/RS485 is a factory installed and jumper selectable in models DBSC
10X-EXX and DBSC 10X-FXX. Mode is jumper selectable as described in
Section 4 of this manual.
Figure 3-7 RS232 Interface
RD
TD
GND
RTS
CTS
+5VDC
X6
PC
TX+
TX–
GND
RTS–
CTS+
RS232
RS422/RS485
(Optional)
1
2
3
5
4
6
8
7
9
1
2
3
5
4
6
8
7
9
RX–
RX+
RTS+
CTS–
X6
PC
1
2
3
5
4
6
8
7
9
1
2
3
5
4
6
8
7
9
Note:
The +5VDC at X6-9 can be used to power hand held display
terminals. Maximum rating of this power source is +5VDC at 350mA.
