ABB Relion 670 series REC670 - Page 60

Table 66. Current sequence component measurement CMSQI
Function Range or value Accuracy
Current positive sequence, I1
Three phase settings
(0.1–4.0) × I
r
± 0.2% of I
r
at I ≤ 0.5 × I
r
± 0.2% of I at I > 0.5 × I
r
Current zero sequence, 3I0
Three phase settings
(0.1–1.0) × I
r
± 0.2% of I
r
at I ≤ 0.5 × I
r
± 0.2% of I at I > 0.5 × I
r
Current negative sequence, I2
Three phase settings
(0.1–1.0) × I
r
± 0.2% of I
r
at I ≤ 0.5 × I
r
± 0.2% of I at I > 0.5 × I
r
Phase angle (0.1–4.0) × I
r
± 0.5° at 0.2 × I
r
< I < 0.5 × I
r
± 0.2° at 0.5 × I
r
≤ I < 4.0 × I
r
Table 67. Voltage sequence measurement VMSQI
Function Range or value Accuracy
Voltage positive sequence, U1 (10 to 300) V ± 0.3% of U at U ≤ 50 V
± 0.2% of U at U > 50 V
Voltage zero sequence, 3U0 (10 to 300) V ± 0.3% of U at U ≤ 50 V
± 0.2% of U at U > 50 V
Voltage negative sequence, U2 (10 to 300) V ± 0.3% of U at U ≤ 50 V
± 0.2% of U at U > 50 V
Phase angle (10 to 300) V ± 0.3° at U ≤ 50 V
± 0.2° at U > 50 V
Table 68. 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 69. Event counter CNTGGIO
Function
Range or value Accuracy
Counter value 0-100000 -
Max. count up speed 10 pulses/s (50% duty cycle) -
Bay control REC670
1MRK511232-BEN E
Pre-configured
Product version: 1.2
60 ABB