E281-4002 IntelliTouch Serial Controller
| Connector |
To |
| P1 |
Touchscreen Cable |
| P2 |
RS-232 Serial Communication |
| P3 |
Power Supply |
| P2 Connections |
Serial Communication Connections |
| DB9 |
DB 25 |
| 3 |
Transmit Data (TxD) 1 |
3 |
2 |
| 5 |
Receive Data (RxD) |
2 |
3 |
| 9 |
Clear To Send (CTS) |
8 |
5 |
| 11 |
Data Set Ready (DSR) |
6 |
6 |
| 13 |
Ground (GND) 1 |
5 |
7 |
1 The controller only requires TxD and GND. Implementation of the other
signals will allow two way communication between the E281-4002 and the
host computer.
Dip Switch Settings
SW0: Data Type
- OFF: Stream *
- ON: Single Point
SW1: Communications
SW2: Z-Axis
- OFF: Disabled
- ON: Enabled *
| Baud Rate |
SW3 |
SW4 |
SW5 |
| 9600 |
ON |
ON |
ON |
| 4800 |
ON |
ON |
OFF |
| 2400 |
ON |
OFF |
ON |
| 1200 |
ON |
OFF |
OFF |
| 600 |
OFF |
ON |
ON |
| 300 |
OFF |
ON |
OFF |
| 150 |
OFF |
OFF |
ON |
| 9600 |
OFF |
OFF |
OFF |
SW6
SW7
P4 Connections
| Pin |
Signal |
| 1 |
-12 VDC, 0.5 A |
| 2 |
GND (Analog) 1 |
| 3 |
+12 VDC, 0.12 A |
| 4 |
GND (Digital) 1 |
| 5 |
+5 VDC, 0.05 A |
| 6 |
Key |
1 For proper operation, pins 2 and 4 must both be grounded.
| 
