Matrix Orbital LK204-25 - Manual (Page 36)

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9. Miscellaneous
9.1. Write
Customer
Data
Dec
Hex
ASCII 254 52
FE 34
■ 4
Data
Data
Data
Saves a user defined block of data to non-volatile memory. Useful for storing display information for later use.
Data 16 bytes, user defined data
9.2. Read
Customer
Data
Dec
Hex
ASCII 254 53
FE 35
■ 5
Reads data previously written to non-volatile memory. Data is only changed when written, surviving power cycles.
Response 16 bytes, previously saved user defined data
9.3. Read Version
Number
Dec
Hex
ASCII 254 54
FE 36
■ 6
Causes display to respond with its firmware version number.
Response 1 byte, convert to hexadecimal to view major and minor revision numbers
9.4. Read Module
Type
Dec
Hex
ASCII 254 55
FE 37
■ 7
Causes display to respond with its module number.
Response 1 byte, module number, see partial list below
Table 30: Sample Module Type Responses
9 LK204-25 15 VK204-25
87 LK204-25-USB 88 VK204-25-USB
89 LK204-25-422 90 VK204-25-422