Basic IED functions
M11963-1 v5
Table 166. Self supervision with internal event list
Data Value
Recording manner Continuous, event controlled
List size 40 events, first in-first out
M12331-1 v8
Table 167. Time synchronization, time tagging
Function Value
Time tagging accuracy of the synchrophasor data ± 1 µs
Time tagging resolution, events and sampled measurement values 1 ms
Time tagging error with synchronization once/min (minute pulse synchronization), events and sampled
measurement values
± 1.0 ms typically
Time tagging error with SNTP synchronization, sampled measurement values ± 1.0 ms typically
GUID-8AEB81D0-1731-46DF-A206-D2E758823575 v1
Table 168. Time synchronization PTP: IEC/IEEE 61850-9-3
Supported types of clock Boundary Clock (BC), Ordinary Clock (OC), Transparent Clock (TC)
Accuracy According to standard IEC/IEEE 61850-9-3
Number of nodes According to standard IEC/IEEE 61850-9-3
Ports supported All rear Ethernet ports
SEMOD55660-2 v3
Table 169. GPS time synchronization module (GTM)
Function Range or value Accuracy
Receiver – ±1µs relative UTC
Time to reliable time reference with antenna in new
position or after power loss longer than 1 month
<30 minutes –
Time to reliable time reference after a power loss
longer than 48 hours
<15 minutes –
Time to reliable time reference after a power loss
shorter than 48 hours
<5 minutes –
SEMOD55693-2 v5
Table 170. GPS – Antenna and cable
Function Value
Max antenna cable attenuation 26 db @ 1.6 GHz
Antenna cable impedance 50 ohm
Lightning protection Must be provided externally
Antenna cable connector SMA in receiver end
TNC in antenna end
Accuracy +/-1μs
1MRK 502 074-BEN A
Generator protection REG670 2.2 and Injection equipment REX060,
REX061, REX062
Product version: 2.2.1
114 ABB
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