Matrix-orbital GLK24064-25 Legacy Bedienungsanleitung PDF herunterladen (Seite 10)

Table 2: Connector Pinout

Pin 4 Ground

Pin 3 SDA (I

C data) / Rx

Pin 2 SCL (I

C clock) / Tx

Pin 1 Vdc

2.1.1 Power Connection (4 pin header)

Power is applied via pins 1 and 4.

Power requirement is;

• +5Vdc ±0.25V on standard voltage units

• +7Vdc to +30Vdc with Wide Voltage and Efﬁcient Switching Power supply (-VPT).

Figure 4: Power Connector

2.1.2 Five Volt Power Cable

If a display module 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 module are different as shown

in the Figure below.

Figure 5: Wiring for Five Volt Modules

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Matrix-orbital GLK24064-25 Legacy Bedienungsanleitung Seite 10