ADU Command Summary
The ADU interfaces operate using simple ASCII commands. Following is
a listing of commands for each available ADU 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 =100ms, 1 = 10ms, 2 = 1ms, 3 = 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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