ABB RED670 - Self Supervision with Internal Event List; Time Synchronization, Time Tagging; GPS Time Synchronization Module (GTM); GPS - Antenna and Cable

Basic IED functions
Table 166. Self supervision with internal event list
Data Value
Recording manner Continuous, event controlled
List size 40 events, first in-first out
Table 167. Time synchronization, time tagging
Function Value
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
Table 168. 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 –
Table 169. 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 505 346-BEN -
Line differential protection RED670 2.1 IEC
Product version: 2.1
ABB 109