The ADU interfaces operate using simple ASCII commands. Following is a list of commands for the ADU200 product.

 ADU200

RELAY COMMANDS ( PORT K )

• SKn             Sets relay specified by n ( n = 0 ,1,2 or 3  )
• RKn             Resets relay specified by n ( n= 0 , 1, 2 or 3 )
• MKdd          Sets PORTK to decimal value dd  ( dd= 0 to 15 )
• SPKxxxx     Sets PORT K to binary value xxxx  ( x= 0 or 1 )
• RPKn          Returns status of relay specified by n ( n= 0 , 1, 2 or 3 )
• RPK             Returns status of PORT K in binary format.
• PK                Returns status of PORT K in decimal format.

DIGITAL COMMANDS ( PORT A )

• RPAn           Returns status of Input   specified by n ( n= 0 , 1, 2 or 3 )
• RPA              Returns status of PORT A in binary format.
• PA                 Returns status of PORT A in decimal format.

EVENT COUNTER COMMAND SUMMARY

• REx                Returns present count of event counter ( x = 0,1,2 3 or H )
• RCx                Returns present count and clears event counter ( x = 0,1,2, 3 or H  )
• DBn                Sets de-bounce time of event counters ( n=0,1,2 or 3 )
• ( 0 =10ms, 1 = 1ms, 2  = 100us   )
• DB                Returns present de-dounce setting.

SPECIAL FEATURE COMMAND SUMMARY

• SBn                Sets baud rate of auxillary RS232 port. (n = 0,1,2 or 3  )
• ( 0 =9600, 1 = 19.2K, 2 =38K,  3 = 56K   )
• SB                   Returns present baud rate setting.

• WDn                Sets watchdog timeout length (n = 0,1,2 or 3  )
• ( 0 =WD OFF , 1 = 1s, 2 =10s,  3 = 1min.   )
• WD                   Returns watchdog setting.

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