ABB DNP 670 Series Communication Protocol Manual page 36

Relion 670 series

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Section 4

DNP3 parameters

disable retries after UROfflineRetry, set this value to the maximum value of a stack

timer: 31 days. This limits the retries to one in every 31 days.

UREvCntThold1 If unsolicited responses are enabled, this parameter specifies the

maximum number of events in class 1 to be allowed before an unsolicited response is

generated.

tUREvBufTout1 If unsolicited responses are enabled (UREnable), this parameter

specifies the maximum amount of time in seconds before an unsolicited response is

generated after an event in class 1 has been received.

UREvCntThold2 If unsolicited responses are enabled (UREnable), this parameter

specifies the maximum number of allowed class 2 events before an unsolicited

response is generated.

tUREvBufTout2 If unsolicited responses are enabled (UREnable), this parameter

specifies the maximum amount of time in seconds before an unsolicited response is

generated after an event in class 2 has been received.

UREvCntThold3 If unsolicited responses are enabled (UREnable), this parameter

specifies the maximum number of allowed class 3 events before an unsolicited

response will be generated.

tUREvBufTout3 If unsolicited responses are enabled (UREnable), this parameter

specifies the maximum amount of time in seconds before an unsolicited response is

generated after an event in class 3 has been received .

DelOldBufFull If this parameter is set to 1, the event with the earliest timeStamp is

deleted when a new event is added to the full event queue.

ExtTimeFormat 0 = LocalTime. 1 = UTC.

DNPToSetTime determines if time synch messages received for this master session

(slave) are allowed to set the local time in the IED.

tSynchTimeout sets the periodicity for time requests. That is, it defines how long after a

succeeded time synch message from the master, the IIN.4 bit should be set.

TsyncReqAfTout determines if the stack should start with the IIN.4 bit set.

Averag3TimeReq determines if the IED needs three time synch messages to set the

time. If set, the IIN.4 bit is high until three time synch messages are received. The

average of the two best messages are used to set the time.

PairedPoint enables the Object12 Close request on an even-index point to access the

next-index point.

1MRK 511 391-UUS A

670 series 2.2 ANSI

Communication protocol manual

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