109
Control Serial Number $04FC (1276) - 6 registers (12 bytes) long - Read Reads the serial number of the EMCP 3 control panel. This is the number that is label printed on the back cover of the control panel. See Figure 29 for a picture. Byte 0: Character count Bytes 1-11: ASCII data, characters $30 through $5A valid (numbers and capital letters). String terminates with a NULL character ($00).
Figure 29: Control Serial Number on EMCP 3 label
Example: In the above example, reading the Control Serial Number would return the following: $0A31 3738 3342 3030 3648 5100