ABB rec670 - Page 87

GUID-CC9A02C2-AAE8-4B8C-A091-D4ED584A2EA7 v1
Table 70. Local acceleration logic ZCLCPSCH
Function Range or value Accuracy
Operate current, LoadCurr (1–100)% of IBase ±1.0% of I
r
Operate current, MinCurr (1–100)% of IBase ±1.0% of I
r
Delay time on pick-up for current release (0.000–60.000) s ±0.2% or ±35 ms whichever is greater
Delay time on drop-off for current release (0.000–60.000) s ±0.2% or ±35 ms whichever is greater
Delay time on pick-up for MinCurr value (0.000–60.000) s ±0.2% or ±35 ms whichever is greater
M16051-2 v11
Table 71. Current reversal and weak-end infeed logic for residual overcurrent protection ECRWPSCH
Function Range or value Accuracy
Operate mode of WEI logic Off
Echo
Echo & Trip
-
Operate voltage 3U0 for WEI trip (5-70)% of UBase ±0.5% of U
r
Operate time for current reversal
logic
(0.000-60.000) s ±0.2% or ±30 ms whichever is greater
Delay time for current reversal (0.000-60.000) s ±0.2% or ±30 ms whichever is greater
Coordination time for weak-end
infeed logic
(0.000–60.000) s ±0.2% or ±30 ms whichever is greater
1MRK 511 404-BEN A
Bay control REC670 2.2
Product version: 2.2.1
ABB 87