VK202-25-USB Matrix Orbital, VK202-25-USB Datasheet - Page 16

• Manufacturer Part Number: VK202-25-USB
• Description: Vacuum Fluorescent Displays (VFD) Vacuum Florescent Blue/Green Text
• Manufacturer: Matrix Orbital

Specifications of VK202-25-USB

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

2.7 Dallas 1-Wire Bridge
to allow for an aditional thirty two 1-wire devices to be connected to the display. Please note the the display
normally does not come with the Dallas 1-wire bridge, it will have to be ordered as a custom. Please talk to
your sales representative if you would like this option. See Section 8 on page 31.
2.8 Protocol Select Jumpers
display module between USB power and external power. As a default, the jumpers are set to USB mode
with solder jumps on the USB jumpers. In order to place the display module in external power mode you
must first remove the rightmost solder jump from the USB jumpers, as shown in figure
cannot be used in RS232, TTL, or I2C mode.
Matrix Orbital
In addition to the six general purpose outputs the VK202-25-USB offers an optional Dallas 1-wire bridge,
The Protocol Select Jumpers, pictured below in
NOTE This component is optional and must be custom ordered
WARNING If connecting a relay, be sure that it is fully clamped using
a diode and capacitor in order to absorb any electro-motive force (EMF)
which will be generated.
Figure 15: Dallas 1-Wire Bridge
VK202-25-USB
figure 16
, provide the means necessary to toggle the
16
. The display
12