ABB Relion 670 series, Technical Reference Manual

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13.1.5 Setting parameters
Table 421: ZCPSCH (85) Group settings (basic)
Name Values (Range) Unit Step Default Description
Operation Disabled
Enabled
- - Disabled Disable/Enable Operation
SchemeType Disabled
Intertrip
Permissive UR
Permissive OR
Blocking
- - Permissive UR Scheme type
tCoord 0.000 - 60.000 s 0.001 0.035 Communication scheme channel coordination
time
tSendMin 0.000 - 60.000 s 0.001 0.100 Minimum duration of a carrier send signal
(carrier continuation)
Table 422: ZCPSCH (85) Group settings (advanced)
Name Values (Range) Unit Step Default Description
Unblock Disabled
NoRestart
Restart
- - Disabled Operation mode of unblocking logic
tSecurity 0.000 - 60.000 s 0.001 0.035 Security timer for loss of carrier guard detection
13.1.6 Technical data
Table 423: ZCPSCH (85) technical data
Function Range or value Accuracy
Scheme type Intertrip
Permissive Underreach
Permissive Overreach
Blocking
-
Co-ordination time for blocking
communication scheme
(0.000-60.000) s ± 0.5% ± 10 ms
Minimum duration of a send signal (0.000-60.000) s ± 0.5% ± 10 ms
Security timer for loss of guard
signal detection
(0.000-60.000) s ± 0.5% ± 10 ms
Operation mode of unblocking logic Disabled
NoRestart
Restart
-
1MRK505222-UUS C
Section 13
Scheme communication
795
Technical reference manual