RS-232C INTERFACE - Section 7
7-4 MTS-3000 SERIES OPERATION AND REFERENCE MANUAL
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CU M004 01A
STA
Start trigger (Enter Static fault state)
•
This command is the equivalent of pressing and holding the FAULT button.
STR
Start trigger (Enter Dynamic fault state)
•
This command is the equivalent of a start trigger (i.e. a momentary press of the
FAULT button).
STP
Stop trigger (Enter postfault state)
•
This command is only effective when in dynamic fault state.
RES
Reset
•
Returns the MTS-3000 to prefault state.
PRF#
Set Prefault on/off
•
Valid values are 0 and 1
0 - sets prefault V&I off
1 - sets prefault V&I on
MFD#
Maximum Fault Duration
# = duration in milliseconds
•
Exit Dynamic Fault State after the specified period if a trip signal doesn’t occur.
•
Waits until either the fault state changes to prefault or postfault, or until the
specified time elapses.
•
Valid values are 0 to 9999999 ms. 0 = infinity, resolution is 4ms with values
rounded down.
•
This command is meant to be executed only in Dynamic FAULT state. The
delay value is programmed with the maximum expected relay operation time.
Example:
>STR
<-begin test sequence
>MFD2500
<-wait for relay closure up to 2.5 sec. later
>PFS
<- interrogate fault state
POSTFAULT <-MTS-3000 returns “POSTFAULT” indicating operation