CHAPTER 3
INSTALLATION
3-2
DT-203P, DT-105P and DT-110P display series
3.2
Wiring inputs
In all functions, the inputs should be between 12 to 16Vcc and allow PNP, NPN and contact
1
2
3
4
5
6
7
8
9
10 11 12 13
14 15 16 17 18 19 20 21 22 23 24 25
E
1
E
2
E
3
E
4
E
7
E
9
E
8
E
6
E
5
E
1
3
E
1
2
E
1
1
E
1
0
E
1
4
C
O
M
NPN
PNP
+
+
-
-
DB25 MALE CONECTOR
The inputs power supply must be between 12V and 26V CC with a maximum wave of
500mV. Surpassing these values can damage the display.
3.3
Serial line connection
All displays with serial line option may use RS232 and RS485 serial lines. Both use the same
connector located at the bottom of display.
The displays use DB9 connector.
1
2
3
4
5
6
7
8
9
Rx
Tx
Dtr
GND
Dsr
A
B
RS-232
RS-485
DB9
Plug
3.4
Connection between a display and PC computer using RS-232.
Using an RS-232 serial line, the total length must not be longer than 5m.
It is important to use shielded cable and to connect the shield to pin 9 of the DB9 connector.
The transmission line must be placed away from high power lines. The connector shown
corresponds to the cable.
2
3
5
2
3
5
9
DB9
Socket
DB9
Socket
Computer
Display