VK204-25-422-E Matrix Orbital, VK204-25-422-E Datasheet - Page 36

• Manufacturer Part Number: VK204-25-422-E
• Description: VF CHARACTER DISPLAY 20X4 RS422
• Manufacturer: Matrix Orbital
• Series: LK204-25r

Specifications of VK204-25-422-E

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

9. Miscellaneous
9.1. Write
Saves a user defined block of data to non-volatile memory. Useful for storing display information for later use.
Data
9.2. Read
Reads data previously written to non-volatile memory. Data is only changed when written, surviving power cycles.
Response
9.3. Read Version
Causes display to respond with its firmware version number.
Response
9.4. Read Module
Causes display to respond with its module number.
Response
Customer
Data
Customer
Data
Number
Type
16 bytes, user defined data
1 byte, module number, see partial list below
16 bytes, previously saved user defined data
1 byte, convert to hexadecimal to view major and minor revision numbers
Dec
Hex
ASCII
Dec
Hex
ASCII
Dec
Hex
ASCII
Dec
Hex
ASCII
254 52
254 53
254 54
254 55
FE 34
FE 35
FE 36
FE 37
■ 4
■ 5
■ 6
■ 7
87
89
9
Data
Data
Data
Table 27: Sample Module Type Responses
LK204-25-USB
LK204-25-422
LK204-25
15
88
90
VK204-25-USB
VK204-25-422
VK204-25
36