Table 138. Voltage measurement phase-earth 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 139. Current sequence 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 140. 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 141. 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
1MRK 506 372-BEN -
Line distance protection REL670 2.2
Product version: 2.2
ABB
107
