Matrix Orbital VFD2041 Legacy - Manual (Page 6)

Figure 2: Electrical Connections
The display has three connectors;
Table 1: Connectors & Functions
Connector Function
2 pin General purpose output
4 pin Power and I 2 C communications
DB-9F RS-232 / power
2.1.1 Power Connections
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 8 - 15 VDC.
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 voltage to the DB-9 connector AND power connector
• Do not apply more than +5Vdc to pin 9 on the DB-9 connector.
Connector pinout is as follows;
Matrix Orbital VFD2041 3