User's Manual

QTI Page 12 of 15 Revision: D
Form #: 30Z0250 Effective Date: 1 August 2010
RST… Reset the unit. On start up the MCDT outputs version.
Reset the unit: RST<CR>
Returns: RST OK<CR>
SAV… Save the current parameters in flash memory. Use this to store any parameter changes.
Save current settings: SAV<CR>
Returns: SAV OK MCDT<CR>
SID… Get/Set the RS-485 serial identifier. [T = DEFAULT]
Capital character (A-Z). All MCDT’s will respond to X so it should not be used. The purpose
and use of this command is described below in Checksum.
Get protection: SID<CR>
Returns: SID Z<CR>
Set protection: SID Z<CR>
Returns: SID Z OK<CR>
Invalid returns: SID Z ERR<CR>
SLP… Shut down the serial port to conserve power. The MCDT goes to power-down mode
immediately after returning the SLP OK command. Note: To reactivate the serial port, send a
carriage return or some other ASCII character. Use “SLP 0” when RS-485 bus is shared.
Enter low power mode: SLP<CR>
Returns: SLP OK<CR>
Enter low power mode: SLP 0<CR>
Returns: <Nothing returned>
SRN… Get the unit serial number.
The serial number is a string up to 8 characters long.
Get serial number: SRN<CR>
Returns: SRN Z<CR>
TMP… Get the board temperature in degrees Celsius (decimal), with a tenth degree precision (250 =
25.0C).
Get temperature: TMP<CR>
Returns: TMP Z<CR>
TXM… Transmit Message;
TT (hexadecimal) is the message type, III (decimal) is the ID, and SS (hexadecimal) is the
status code.
Note: The only two allowed messages types are MIDS (07h) or EMIDS (0Dh).
Send RF message: TXM TT III SS<CR>
Returns: TXM TT III SS OK<CR>
Invalid type returns: TXM TT III SS ERR<CR>