Table 131. Phase-neutral voltage measurement VNMMXU
Function Range or value Accuracy
Voltage (5 to 175) V ±0.5% of U at U ≤ 50 V
±0.2% of U at U > 50 V
Phase angle (5 to 175) V ±0.5 degrees at U ≤ 50 V
±0.2 degrees at U > 50 V
Table 132. Current sequence component measurement CMSQI
Function Range or value Accuracy
Current positive sequence, I1
Three phase settings
(0.1–4.0) × I
r
±0.3% of I
r
at I ≤ 0.5 × I
r
±0.3% of I at I > 0.5 × I
r
Current zero sequence, 3I0 Three
phase settings
(0.1–1.0) × I
r
±0.3% of I
r
at I ≤ 0.5 × I
r
±0.3% of I at I > 0.5 × I
r
Current negative sequence, I2
Three phase settings
(0.1–1.0) × I
r
±0.3% of I
r
at I ≤ 0.5 × I
r
±0.3% of I at I > 0.5 × I
r
Phase angle (0.1–4.0) × I
r
±1.0 degrees at 0.1 × I
r
< I ≤ 0.5 × I
r
±0.5 degrees at 0.5 × I
r
< I ≤ 4.0 × I
r
Table 133. Voltage sequence measurement VMSQI
Function
Range or value Accuracy
Voltage positive sequence, U1 (10 to 300) V
±0.5% of U at U ≤ 50 V
±0.2% of U at U > 50 V
Voltage zero sequence, 3U0 (10 to 300) V
±0.5% of U at U ≤ 50 V
±0.2% of U at U > 50 V
Voltage negative sequence, U2 (10 to 300) V
±0.5% of U at U ≤ 50 V
±0.2% of U at U > 50 V
Phase angle (10 to 300) V
±0.5 degrees at U ≤ 50 V
±0.2 degrees at U > 50 V
Table 134. Supervision of mA input signals
Function
Range or value Accuracy
mA measuring function ±5, ±10, ±20 mA
0-5, 0-10, 0-20, 4-20 mA
±0.1 % of set value ±0.005 mA
Max current of transducer to
input
(-20.00 to +20.00) mA
Min current of transducer to
input
(-20.00 to +20.00) mA
Alarm level for input (-20.00 to +20.00) mA
Warning level for input (-20.00 to +20.00) mA
Alarm hysteresis for input (0.0-20.0) mA
Table 135. Limit counter L4UFCNT
Function
Range or value Accuracy
Counter value 0-65535 -
Max. count up speed 30 pulses/s (50% duty cycle) -
1MRK 505 346-BEN -
Line differential protection RED670 2.1 IEC
Product version: 2.1
100 ABB
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