VK202-25-E Matrix Orbital, VK202-25-E Datasheet - Page 13

• Manufacturer Part Number: VK202-25-E
• Description: VFD ALPHA/NUM DISPLAY 20X2
• Manufacturer: Matrix Orbital
• Series: VK202-25r

Specifications of VK202-25-E

• Outline L X W X H: 116.00mm x 37.00mm x 29.48mm
• Viewing Area: 89.75mm L x 11.50mm W
• Display Format: 20 x 2
• Display Type: Character
• Format: 5 x 7 Dots
• Voltage - Supply: *
• Character Size: 4.70mm H x 2.40mm W
• Interface: Serial
• Operating Temperature: -40°C ~ 85°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of Dots: -

2 Hardware Information
2.1 DB-9 Connector
standard signal levels of
setting the Protocol Select Jumpers to TTL. As an added feature it is also possible to apply power through
pin 9 of the DB-9 Connector in order to reduce cable clutter. However, in order to accomplish this you must
set the Power Through DB-9 Jumper.
Matrix Orbital
Refer to the following diagram for this chapter:
The VK202-25 provides a DB-9 Connector to readily interface with serial devices which use the EIA232
1
2
3
4
DB-9 Connector
Power Through DB9 Jumper
GPOs
Manual Override
12V to
12V. It is also possible to communicate at TTL levels of 0 to +5V by
Figure 16: RS-232 Pin out
Figure 15: VK202-25
VK202-25
Pin
Pin
Pin
Pin
5
6
7
8
Power / Data Connector
Keypad Interface
Protocol Select Jumpers
Optional Dallas 1-Wire Bridge
2
3
9
5
Rx \ SCL (I
Tx \ SDA (I
GND
PWR
9 Jumper. See table 1 on page 11 for
power requirements.)
(Must solder Power Through DB-
2
2
C clock)
C data)
9