Test procedure, Background scan, Definition of time outs – ProSoft Technology PTQ-104C User Manual

Page 128

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Reference

49TPTQ-104C ♦ 48TQuantum Platform

12TUser Manual

47TIEC 60870-5-104 Client


Test procedure

(Station-specific parameter, mark "X" if function is only used in the standard
direction, "R" if only used in the reverse direction, and "B" if used in both
directions)

Test procedure

File transfer
(Station-specific parameter, mark "X" if function is used)

File transfer in monitor direction

Transparent file

Transmission of disturbance data of protection equipment

Transmission of sequence of events

Transmission of sequence of recorded analogue values

File transfer in control direction

Transparent file

Background scan

(Station-specific parameter, mark "X" if function is only used in the standard
direction, "R" if only used in the reverse direction, and "B" if used in both
directions)

Background scan

Definition of time outs

Parameter Default Value

Remarks

Range

t

0

30 seconds

Time-out of connection establishment

1 to 1000 seconds

t

1

15 seconds

Time-out of send or test APDUs

1 to 255 seconds

t

2

10 seconds

Time-out for acknowledges in case of no data
messages (t

2

< t

1

)

1 to 255 seconds

t

3

20 seconds

Time-out for sending test frames in case of a
long idle time

1 to 300 seconds

Maximum range of values for configurable time-outs: accuracy 1 second.

Maximum number of outstanding I format APDUs k and latest acknowledge
APDUs (w)

Parameter Default Value Remarks

Range

k

6 APDUs

Maximum number of message to hold in queue

1 to 12

w

4 APDUs

Threshold value when to send ack

1 to 8

Maximum range of values k: 1 to 32767 (2

15

-1) APDUs, accuracy 1 APDU

Maximum range of values w: 1 to 32767 (2

15

-1) APDUs, accuracy 1 APDU

(Recommendation: w should not exceed two-thirds of k).

B

Page 128 of 136

ProSoft Technology, Inc.

March 4, 2013

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