Hatteland Display 19 inch - JH 19T14 MMC - Manual (Page 15)

15
Serial Communication (SCOM) Interface
Communication Interface
IND100084-12
“SNB” - Serial Number Query
This query is sent to the unit in order to identify the unit serial number. No data shall be sent with this query.
The unit will reply to this command with an ACK attention code. The DATA field will be set to an ASCII text string to
indicate the specified Serial Number, e.g: “12345”. Note that the length of Serial Number is not limited to 5 characters.
It will decrease or increase in length depending on actual Serial Number stored in the unit.
Example:
Command Display Serial Number
0x07 0xFF 0x53 0x4E 0x42 0x00 0x16
Acknowledge Type/Model Number “12345”:
0x06 0xFF 0x53 0x4E 0x42 0x05 0x12 0x31 0x32 0x33 0x34 0x35 0x00
“SWI” - ECOM Software Version ID Query
The ECOM is the master of the serial communication interface (SCOM). This query is sent to the unit in order to get the
ECOM software version ID. Any future revisions, such as CMD additions or changes to the software will increment the
software version. The unit will reply to this command with an ACK attention code. The DATA field will be a text string
indicating the software version, e.g: “SW100099-1A01”. The ID for Series 1 is SW100066-xzzz, where x is the software
version and the z is the revision number.
Example:
Command Software Version query:
0x07 0xFF 0x53 0x57 0x49 0x00 0x06
Acknowledge ECOM software version 1, revision G09: “SW100066-1G09”
0x06 0xFF 0x53 0x57 0x49 0x0D 0xFA 0x53 0x57 0x31 0x30 0x30 0x30 0x36 0x36 0x2D 0x31 0x47 0x30 0x39 0x1A
"SWK" - Keypad Software Version Query
This commands gets the firmware version of the Keypad Software. Response example: "SW100067-1D05"
Example:
Command Software Version query:
0x07 0xFF 0x53 0x57 0x4B 0x00 0x04