Inputs - GE B30 UR Series Instruction Manual

2 PRODUCT DESCRIPTION
AC CURRENT
CT rated primary: 1 to 50000 A
CT rated secondary: 1 A or 5 A by connection
Relay burden: < 0.2 VA at rated secondary
Conversion range:
Standard CT: 0.02 to 46 × CT rating RMS symmetrical
Sensitive Ground CT module:
0.002 to 4.6 × CT rating RMS symmetrical
Current withstand: 20 ms at 250 times rated
1 sec. at 100 times rated
continuous 4xInom
URs equipped with 24 CT inputs have a
maximum operating temperature of 50°C
Short circuit rating: 150000 RMS symmetrical amperes, 250
V maximum (primary current to external
CT)
AC VOLTAGE
VT rated secondary: 50.0 to 240.0 V
VT ratio: 1.00 to 24000.00Relay burden:< 0.25 VA
at 120 V
Conversion range: 1 to 275 V
Voltage withstand: continuous at 260 V to neutral
1 min./hr at 420 V to neutral
FREQUENCY
Nominal frequency setting:25 to 60 Hz
Sampling frequency: 64 samples per power cycle
Tracking frequency range:20 to 70 Hz
CONTACT INPUTS
1000 Ω maximum
Dry contacts:
Wet contacts: 300 V DC maximum
Selectable thresholds: 17 V, 33 V, 84 V, 166 V
Tolerance: ±10%
Contacts per common return: 4
Recognition time: < 1 ms
Debounce time: 0.0 to 16.0 ms in steps of 0.5
Continuous current draw:4 mA (when energized)
CONTACT INPUTS WITH AUTO-BURNISHING
1000 Ω maximum
Dry contacts:
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:4 mA (when energized)
Auto-burnish impulse current: 50 to 70 mA
Duration of auto-burnish impulse: 25 to 50 ms
GE Multilin
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:
IRIG-B INPUT
Amplitude modulation:
DC shift:
Input impedance:
Isolation:
REMOTE INPUTS (IEC 61850 GSSE/GOOSE)
Input points:
Remote devices:
Default states on loss of comms.: On, Off, Latest/Off, Latest/On
Remote DPS inputs:
DIRECT INPUTS
Input points:
Remote devices:
Default states on loss of comms.: On, Off, Latest/Off, Latest/On
Ring configuration:
Data rate:
CRC:
CRC alarm:
Responding to:
Monitoring message count: 10 to 10000 in steps of 1
Alarm threshold:
Unreturned message alarm:
Responding to:
Monitoring message count: 10 to 10000 in steps of 1
Alarm threshold:
TELEPROTECTION
Input points:
Remote devices:
Default states on loss of comms.: On, Off, Latest/Off, Latest/On
Ring configuration:
Data rate:
CRC:
B30 Bus Differential System
2.2 SPECIFICATIONS

2.2.5 INPUTS

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
1 to 10 V pk-pk
TTL–Compatible
50 kΩ
2 kV
32, configured from 64 incoming bit pairs
16
5
32
16
Yes, No
64 or 128 kbps
32-bit
Rate of messages failing the CRC
1 to 1000 in steps of 1
Rate of unreturned messages in the ring
configuration
1 to 1000 in steps of 1
16
3
No
64 or 128 kbps
32-bit
2
2-13