User`s manual

4. RS-232 Commands:
Extended control of the M3 system can be performed over the RS232 port. This port can be used to control the device
from a Programmable Logic Controller (PLC), or manually from a Terminal style program, such as Hyperterminal. The
protocol is human readable, allowing a technician to enter simple control commands. This port provides playback
control, diagnostics, system setting adjustments, and downloading of new messages into the memory card of the M3
system. Each command and associated string must be followed by control, line feed or <CR><LF>.
The RS232 protocol is 8 data bits, 1 stop bit, no parity, no flow control. The default baud rate is 115,200.
The following commands are supported by the M3 system over this port.
4.1. System functional commands
Play snippet PLY ( I )
Stop playing STP (ALL)
System reset RST
Initiate upload file ULD
Initiate download file DLD
Delete file DEL
4.2. System configuration commands
RS232 Baud Rate SPD
Restore Default Configuration CFG
Format Memory Card FMT
Format and Restore Configuration SHP
Set Delay time before play DLY
Set Pause time between plays PAS
Set Number of plays for each trigger PLS
Set message Priority (Disable message) PRI
4.3. System description commands
Display system information SYS
List all commands LST
Display message Listing DIR
4.4. Enhanced System commands
Set Bass BAS
Set Treble TRB
Set Time TIM
Set Date DTE
M3 User's Manual V 1.0 Revised 13, Sept 2011 Page 14