Matrix-orbital PK162-12 Manual do Utilizador descarregar pdf (Página 10)

2.1.1 Power Connection

Power is applied via pins 1 and 4. Power requirement for standard units is +5 VDC ±0.25V (units with

the wide voltage range option require 7 - 15 Vdc). Power may also be supplied via the RS-232 connector.

WARNINGS

• Do not apply any power with reversed polarization.

• Do not apply any voltage other than the speciﬁed voltage.

• Do not use any cables other than the cables supplied by Matrix

Orbital, unless aware of the modiﬁcations required.

• Do not apply power to the DB-9 connector AND the power con-

nector. Do not apply more than +5Vdc to pin 9 on the DB-9 con-

nector.

2.1.2 Five Volt Modules

If the display is used in a PC it becomes tempting to plug a spare power connector into the unit. Don’t

do this! Wiring for the PC power connector and that required for the display are different.

Figure 5: Wiring for 5V Modules

Matrix Orbital can supply an adapter cable designed for use with the display when it’s installed in a PC.

Note that the cable below does not provide connections for I

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Matrix-orbital PK162-12 Manual do Utilizador Página 10