ABB RELION 620 Series Technical Manual page 915

1MAC504801-IB E
620 series ANSI
Technical Manual
Table 642: RTD/mA inputs
Description
RTD inputs Supported RTD
sensors
Supported
resistance range
Maximum lead
resistance (three-
wire
measurement)
Isolation
Response time
RTD/resistance
sensing current
Operation
accuracy
mA inputs Supported current
range
Current input
impedance
Operation
accuracy
Table 643: Signal output with high make and carry
Description
Rated voltage
Continuous contact carry
Make and carry for 3.0 s
Make and carry for 0.5 s
Breaking capacity when the control-circuit time
constant L/R <40 ms
Minimum contact load
1) X100: SO1
X105: SO1, SO2 when REF620 or RET620 is equipped with BIO0005
X110: SO1, SO2 when any of the protection relays is equipped with BIO0005
X115: SO1, SO2 when REF620 is equipped with BIO0005
X130: SO1, SO2 when REM620 is equipped with BIO0006
Value
100 Ω platinum TCR 0.00385 (DIN 43760)
250 Ω platinum TCR 0.00385
100 Ω nickel TCR 0.00618 (DIN 43760)
120 Ω nickel TCR 0.00618
250 Ω nickel TCR 0.00618
10 Ω copper TCR 0.00427
0...2 kΩ
25 Ω per lead
2 kV (inputs to protective ground)
<4 s
Maximum 0.33 mA rms
Resistance Temperature
± 2.0% or ±1 Ω ±1°C
10 Ω copper: ±2°C
0...20 mA
44 Ω ± 0.1%
±0.5% or ±0.01 mA
Value 1)
250 V AC/DC
5 A
15 A
30 A
1 A/0.25 A/0.15 A
100 mA at 24 V AC/DC
Section 15
Technical data
909