D-8
N60 Network Stability and Synchrophasor Measurement System
GE Multilin
D.1 IEC 60870-5-104 PROTOCOL
APPENDIX D
D
4
Counter freeze with reset
4
Counter reset
4
General request counter
4
Request counter group 1
4
Request counter group 2
4
Request counter group 3
4
Request counter group 4
Parameter loading:
4
Threshold value
Smoothing factor
Low limit for transmission of measured values
High limit for transmission of measured values
Parameter activation:
Activation/deactivation of persistent cyclic or periodic transmission of the addressed object
Test procedure:
Test procedure
File transfer:
File transfer in monitor direction:
Transparent file
Transmission of disturbance data of protection equipment
Transmission of sequences of events
Transmission of sequences of recorded analog values
File transfer in control direction:
Transparent file
Background scan:
Background scan
Acquisition of transmission delay:
Acquisition of transmission delay
Definition of time outs:
Maximum range of values for all time outs: 1 to 255 s, accuracy 1 s
Maximum number of outstanding I-format APDUs k and latest acknowledge APDUs (w):
PARAMETER
DEFAULT
VALUE
REMARKS
SELECTED
VALUE
t
0
30 s
Timeout of connection establishment
120 s
t
1
15 s
Timeout of send or test APDUs
15 s
t
2
10 s
Timeout for acknowlegements in case of no data messages
t
2
<
t
1
10 s
t
3
20 s
Timeout for sending test frames in case of a long idle state
20 s
PARAMETER
DEFAULT
VALUE
REMARKS
SELECTED
VALUE
k
12 APDUs
Maximum difference receive sequence number to send state variable
12 APDUs
w
8 APDUs
Latest acknowledge after receiving
w
I-format APDUs
8 APDUs