Voltage protection
Table 41. Two step undervoltage protection UV2PTUV
Function
Range or value
Accuracy
Operate voltage, low and high step
(1–100)% of
UBase
± 0.5% of U
r
Absolute hysteresis
(0–100)% of
UBase
± 0.5% of U
r
Internal blocking level, step 1 and step 2
(1–100)% of
UBase
± 0.5% of U
r
Inverse time characteristics for step 1 and step 2, see table
-
Definite time delay, step 1
(0.00 - 6000.00) s
± 0.5% ± 10 ms
Definite time delays
(0.000-60.000) s
± 0.5% ±10 ms
Minimum operate time, inverse characteristics
(0.000–60.000) s
± 0.5% ± 10 ms
Operate time, start function
25 ms typically at 2 x U
set
to 0
-
Reset time, start function
25 ms typically at 0 to 2 x U
set
-
Critical impulse time
10 ms typically at 2 x U
set
to 0
-
Impulse margin time
15 ms typically
-
Table 42. Two step overvoltage protection OV2PTOV
Function
Range or value
Accuracy
Operate voltage, step 1 and 2
(1-200)% of
UBase
± 0.5% of U
r
at U < U
r
± 0.5% of U at U > U
r
Absolute hysteresis
(0–100)% of
UBase
± 0.5% of U
r
at U < U
r
± 0.5% of U at U > U
r
Inverse time characteristics for steps 1 and 2, see table
-
Definite time delay, step 1
(0.00 - 6000.00) s
± 0.5% ± 10 ms
Definite time delays
(0.000-60.000) s
± 0.5% ± 10 ms
Minimum operate time, Inverse characteristics
(0.000-60.000) s
± 0.5% ± 10 ms
Operate time, start function
25 ms typically at 0 to 2 x U
set
-
Reset time, start function
25 ms typically at 2 to 0 x U
set
-
Critical impulse time
10 ms typically at 0 to 2 x U
set
-
Impulse margin time
15 ms typically
-
Bay control REC670
1MRK511232-BEN E
Pre-configured
Product version: 1.2
46
ABB