FEASA LED ANALYSER
ICT VERSION
Serial Port Control (RS232)
For serial communications the LED Analyser must be connected from the 3-pin Serial
Connector to the PC or Controller using the supplied serial cable (LA-SER-02).
5V DC @ 200mA Power must be supplied to Pins 19 and 20 of the 20-way Connector.
See
Figure 27
.
Voltages Greater than 6V will damage the Analyser.
The Green LED should turn on to indicate the Analyser is ready for use.
The default serial communications settings are
57,600 Baud, 8 Data bits, 1 Stop bit and
No Parity
.
The baud rate can be changed to any of the following:- 9600, 19200, 38400, 57600, 115200.
These can be selected using the
Serial Connector (RS232C)
Pin
Signal
Pin on 9-
Pin D-type
1
Tx from LED Analyser
2
2
Rx from LED Analyser
3
3
GND
5
20-Way Connector
Pin No
Signal
19
Power (5V 200mA DC)
20
GND
Figure 27.
Please Ensure the RS232 GND (pin3) and the PSU GND are
connected together.
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