Inputs - GE L90 Instruction Manual

2.4 SPECIFICATIONS
AC CURRENT
CT rated primary:
CT rated secondary:
Nominal frequency:
Relay burden:
2
Conversion range:
Standard CT:
Sensitive Ground CT module:
0.002 to 4.6
Current withstand:
Short circuit rating:
AC VOLTAGE
VT rated secondary:
VT ratio:
Nominal frequency:
Relay burden:
Conversion range:
Voltage withstand:
CONTACT INPUTS
Dry contacts:
Wet contacts:
Selectable thresholds:
Tolerance:
Contacts per common return: 4
Recognition time:
Debounce time:
Continuous current draw:3 mA (when energized)
2-24
1 to 50000 A
1 A or 5 A by connection
20 to 65 Hz
< 0.2 VA at rated secondary
0.02 to 46 CT rating RMS symmetrical
CT rating RMS symmetrical
20 ms at 250 times rated
1 sec. at 100 times rated
continuous 4xInom; URs equipped with
24 CT inputs have a maximum operating
temp. of 50°C
150000 RMS symmetrical amperes, 250
V maximum (primary current to external
CT)
50.0 to 240.0 V
1.00 to 24000.00
20 to 65 Hz; the nominal system fre-
quency should be chosen as 50 Hz or
60 Hz only.
< 0.25 VA at 120 V
1 to 275 V
continuous at 260 V to neutral
1 min./hr at 420 V to neutral
1000 maximum
300 V DC maximum
17 V, 33 V, 84 V, 166 V
±10%
< 1 ms
0.0 to 16.0 ms in steps of 0.5
L90 Line Current Differential System
2 PRODUCT DESCRIPTION
CONTACT INPUTS WITH AUTO-BURNISHING
Dry contacts: 1000
Wet contacts: 300 V DC maximum
Selectable thresholds: 17 V, 33 V, 84 V, 166 V
Tolerance: ±10%
Contacts per common return: 2
Recognition time: < 1 ms
Debounce time: 0.0 to 16.0 ms in steps of 0.5
Continuous current draw:3 mA (when energized)
Auto-burnish impulse current: 50 to 70 mA
Duration of auto-burnish impulse: 25 to 50 ms
DCMA INPUTS
Current input (mA DC): 0 to –1, 0 to +1, –1 to +1, 0 to 5, 0 to 10,
0 to 20, 4 to 20 (programmable)
Input impedance: 379 ±10%
Conversion range: –1 to + 20 mA DC
Accuracy: ±0.2% of full scale
Type: Passive
RTD INPUTS
Types (3-wire): 100 Platinum, 100 & 120
Copper
Sensing current: 5 mA
Range: –50 to +250°C
Accuracy: ±2°C
Isolation: 36 V pk-pk
IRIG-B INPUT
Amplitude modulation: 1 to 10 V pk-pk
DC shift: TTL
Input impedance: 22 k
Isolation: 2 kV
REMOTE INPUTS (IEC 61850 GSSE/GOOSE)
Input points: 32, configured from 64 incoming bit pairs
Remote devices: 16
Default states on loss of comms.: On, Off, Latest/Off, Latest/On
Remote DPS inputs: 5

2.4.5 INPUTS

maximum
Nickel, 10
GE Multilin