User Programmable Elements; Monitoring - GE UR Series Instruction Manual

2.6 TECHNICAL SPECIFICATIONS
FLEXLOGIC™
Programming language: Reverse Polish Notation with graphical
Lines of code:
Number of Internal Variables: 64
2
Supported operations:
Inputs:
Number of timers:
Pickup delay:
Dropout delay:
FLEXCURVES™
Number:
Number of reset points: 40 (0 through 1 of pickup)
Number of operate points: 80 (1 through 20 of pickup)
Time delay:
OSCILLOGRAPHY
Max. No. of Records:
Sampling Rate:
Triggers:
Data:
Data Storage:
EVENT RECORDER
Capacity:
Time-tag:
Triggers:
Data Storage:
2-16
visualization (keypad programmable)
512
NOT, XOR, OR (2 to 16 inputs), AND (2
to 16 inputs), NOR (2 to 16 inputs),
NAND (2 to 16 inputs), LATCH (Reset
dominant), EDGE DETECTORS, TIM-
ERS
any logical variable, contact, or virtual
input
32
0 to 60000 (ms, sec., min.) in steps of 1
0 to 60000 (ms, sec., min.) in steps of 1
2 (A and B)
0 to 65535 ms in steps of 1
64
64 samples per power cycle
Any element pickup, dropout or operate
Digital input change of state
Digital output change of state
FlexLogic™ equation
AC input channels
Element state
Digital input state
Digital output state
In non-volatile memory
1024 events
to 1 microsecond
Any element pickup, dropout or operate
Digital input change of state
Digital output change of state
Self-test events
In non-volatile memory
L90 Line Differential Relay
2 PRODUCT DESCRIPTION

2.6.2 USER PROGRAMMABLE ELEMENTS

FLEXELEMENTS™
Number of elements: 8
Operating signal: any analog actual value, or two values in
differential mode
Operating signal mode: Signed or Absolute Value
Operating mode: Level, Delta
Compensation direction: Over, Under
Pickup Level: –30.000 to 30.000 pu in steps of 0.001
Hysteresis: 0.1 to 50.0% in steps of 0.1
Delta dt: 20 ms to 60 days
Pickup and dropout delay: 0.000 to 65.535 in steps of 0.001
FLEX STATES
Number: up to 256 logical variables grouped
under 16 Modbus addresses
Programmability: any logical variable, contact, or virtual
input
USER-PROGRAMMABLE LEDS
Number: 48 plus Trip and Alarm
Programmability: from any logical variable, contact, or vir-
tual input
Reset mode: Self-reset or Latched
USER-DEFINABLE DISPLAYS
Number of displays: 8
2 × 20 alphanumeric characters
Lines of display:
Parameters up to 5, any Modbus register addresses
DATA LOGGER
Number of Channels: 1 to 16
Parameters: Any available analog Actual Value
Sampling Rate: 1 sec.; 1, 5, 10, 15, 20, 30, 60 min.
Storage Capacity: (NN is dependent on memory)
1-second rate: 01 channel for NN days
16 channels for NN days
↓ ↓
60-minute rate: 01 channel for NN days
16 channels for NN days
FAULT LOCATOR
Method: Single-ended
Maximum accuracy if: Fault resistance is zero or fault currents
from all line terminals are in phase
Relay Accuracy: ±1.5% (V > 10 V, I > 0.1 pu)
Worst-case Accuracy:
VT + (user data)
%error
CT + (user data)
%error
Z + (user data)
Line%error
METHOD +(Chapter 6)
%error
RELAY ACCURACY
%error

2.6.3 MONITORING

+ (1.5%)
GE Power Management