Matrix-orbital PK162-12 Manual do Utilizador descarregar pdf (Página 6)

1.4 Setup for Testing

Before setting up the application the user may want to try out the display. This is easily done with a PC.

If not equipped with a dual bay PC mounting kit, the following will be required;

• A 4-pin power connector of the type used to connect 3.5" ﬂoppy drive. Take care not to connect the

display to an unmodiﬁed spare power connector in a PC

• A 5 V power supply

• A PC with a spare RS-232 port (COM1 or COM2)

• A 9 or 25 pin RS-232 serial cable. If using a 25 conductor cable, a 9 to 25 pin adapter will be required

Figure 1: Connections for Testing

1. Refer to the Figure above for the following steps.

2. Wire the connector to the power supply. On most connectors the RED lead will go to +5V and the

BLACK lead to GND.

NOTE The Manufacturer’s Warranty becomes void if the unit is subjected to over-voltage

or reversed polarity.

3. Connect the display to the PC using the serial cable and adapter if required.

NOTE Make certain the RS-232 cable includes the required ground lead. There must be

no voltage differential between the RS-232 ground and the power supply ground.

4. Connect the power connector, making sure that the +5V goes to V+. Turn on the power: the display

backlight should come on.

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Matrix-orbital PK162-12 Manual do Utilizador Página 6