GE L60 Instruction Manual page 46
Line phase comparison
system
ur series
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Also See for L60:
- Instructions manual (768 pages) ,
- Instruction manual (736 pages) ,
- Communications manual (532 pages)
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2.2 SPECIFICATIONS
FREQUENCY
Nominal frequency setting:25 to 60 Hz
Sampling frequency:
Tracking frequency range:20 to 70 Hz
CONTACT INPUTS
Dry contacts:
Wet contacts:
2
Selectable thresholds:
Tolerance:
Contacts per common return: 4
Recognition time:
Debounce time:
Continuous current draw:4 mA (when energized)
CONTACT INPUTS WITH AUTO-BURNISHING
Dry contacts:
Wet contacts:
Selectable thresholds:
Tolerance:
Contacts per common return: 2
Recognition time:
Debounce time:
Continuous current draw:4 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,
Input impedance:
Conversion range:
Accuracy:
Type:
RTD INPUTS
Types (3-wire):
Sensing current:
Range:
Accuracy:
Isolation:
2-16
64 samples per power cycle
1000 Ω 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
1000 Ω 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
0 to 20, 4 to 20 (programmable)
379 Ω ±10%
–1 to + 20 mA DC
±0.2% of full scale
Passive
100 Ω Platinum, 100 & 120 Ω Nickel, 10
Ω Copper
5 mA
–50 to +250°C
±2°C
36 V pk-pk
L60 Line Phase Comparison System
2 PRODUCT DESCRIPTION
IRIG-B INPUT
Amplitude modulation:
1 to 10 V pk-pk
DC shift:
TTL–Compatible
Input impedance:
50 kΩ
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
DIRECT INPUTS
Input points:
32
Remote devices:
16
Default states on loss of comms.: On, Off, Latest/Off, Latest/On
Ring configuration:
Yes, No
Data rate:
64 or 128 kbps
CRC:
32-bit
CRC alarm:
Responding to:
Rate of messages failing the CRC
Monitoring message count: 10 to 10000 in steps of 1
Alarm threshold:
1 to 1000 in steps of 1
Unreturned message alarm:
Responding to:
Rate of unreturned messages in the ring
configuration
Monitoring message count: 10 to 10000 in steps of 1
Alarm threshold:
1 to 1000 in steps of 1
TELEPROTECTION
Input points:
16
Remote devices:
3
Default states on loss of comms.: On, Off, Latest/Off, Latest/On
Ring configuration:
No
Data rate:
64 or 128 kbps
CRC:
32-bit
GE Multilin
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