VK202-25-VPT Matrix Orbital, VK202-25-VPT Datasheet - Page 22

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

Specifications of VK202-25-VPT

• 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: 9 V ~ 35 V
• Character Size: 4.70mm H x 2.40mm W
• Interface: Serial
• Operating Temperature: -20°C ~ 70°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of Dots: -

4.3 Changing the Baud Rate
Matrix Orbital
Description
Remembered
Default
Syntax
Parameters
Description
Remembered
Default
This command sets the I
and 0xFF. The I
address is automatically set to one higher. For example if the I
address is set to 0x50, then the read address is 0x51.
NOTE The change in address is immediate.
Always
0x50
This command sets the RS-232 port to the specified [speed]. The change
takes place immediately. [speed] is a single byte specifying the desired
port speed. Valid speeds are shown in the table below. The display
module can be manually reset to 19,200 baud in the event of an error
during transmission, including transmitting a value not listed below, by
setting the manual override jumper during power up. However, it should
be noted that this command will be ignored until the manual override
jumper is removed again.
NOTE This command is not available in I2C mode.
Always
19,200 bps
Hexadecimal
Decimal
ASCII
Parameter
speed
Hex Value
CF
53
29
67
33
22
19
10
Baud Rate
2
C write address must be an even number and the read
0xFE 0x39 [speed]
254 57 [speed]
254 “9” [speed]
19200
28800
38400
57600
1200
2400
4800
9600
VK202-25
Length
1
2
C write address of the module between 0x00
Description
Hex value corresponding to a baud
rate.
2
C write
18