Specifications; Monitoring - GE N60 Instruction Manual
Network stability and
synchrophasor measurement system
ur series
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Also See for N60:
- Instruction manual (666 pages) ,
- Communications manual (532 pages) ,
- Instruction manual (544 pages)
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2 PRODUCT DESCRIPTION
LED TEST
Initiation:
from any digital input or user-program-
mable condition
Number of tests:
3, interruptible at any time
Duration of full test:
approximately 3 minutes
Test sequence 1:
all LEDs on
Test sequence 2:
all LEDs off, one LED at a time on for 1 s
Test sequence 3:
all LEDs on, one LED at a time off for 1 s
USER-DEFINABLE DISPLAYS
Number of displays:
16
2 × 20 alphanumeric characters
Lines of display:
Parameters:
up to 5, any Modbus register addresses
Invoking and scrolling:
keypad, or any user-programmable con-
dition, including pushbuttons
CONTROL PUSHBUTTONS
Number of pushbuttons: 7
Operation:
drive FlexLogic™ operands
USER-PROGRAMMABLE PUSHBUTTONS (OPTIONAL)
Number of pushbuttons: 12 (standard faceplate);
16 (enhanced faceplate)
Mode:
self-reset, latched
Display message:
2 lines of 20 characters each
Drop-out timer:
0.00 to 60.00 s in steps of 0.05
Autoreset timer:
0.2 to 600.0 s in steps of 0.1
Hold timer:
0.0 to 10.0 s in steps of 0.1
SELECTOR SWITCH
Number of elements:
2
Upper position limit:
1 to 7 in steps of 1
Selecting mode:
time-out or acknowledge
Time-out timer:
3.0 to 60.0 s in steps of 0.1
Control inputs:
step-up and 3-bit
Power-up mode:
restore from non-volatile memory or syn-
chronize to a 3-bit control input or synch/
restore mode
OSCILLOGRAPHY
Maximum records:
64
Sampling rate:
64 samples per power cycle
Triggers:
any element pickup, dropout, or operate;
digital input change of state; digital out-
put change of state; FlexLogic™ equa-
tion
Data:
AC input channels; element state; digital
input state; digital output state
Data storage:
in non-volatile memory
EVENT RECORDER
Capacity:
1024 events
Time-tag:
to 1 microsecond
Triggers:
any element pickup, dropout, or operate;
digital input change of state; digital out-
put change of state; self-test events
Data storage:
in non-volatile memory
GE Multilin
N60 Network Stability and Synchrophasor Measurement System
DIGITIZER
Input signal:
any FlexAnalog parameter
Independent elements:
1 per CT bank, to a maximum of 5
Independent elements:
5
Response time:
< 8 ms at 60 Hz, < 10 ms at 50 Hz
Upper / lower limit for input signal: 0.050 to 90 pu in steps of 0.001
Resolution:
8 bits / full-scale
Maximum error:
±0.6% of full-scale
Rounding method:
nearest with a one-count dead-band
8-BIT COMPARATOR
Number of elements:
6
Operating signal:
up to two 8-bit integers via FlexLogic™
operands
Operating mode:
add or subtract, controlled from any
FlexLogic™ operand
Operating signal mode: signed, absolute value
Comparator direction:
over, under
Pickup level:
–25400 to 25400 in steps of 1
Hysteresis:
0 to 5000 in steps of 1
Pickup/Dropout delay:
0 to 65.535 s in steps of 0.01
Scaling factor for display: 0.01 to 100.00 in steps of 0.01
8-BIT SWITCH
Number of elements:
6
Input signals:
two 8-bit integers via FlexLogic™ oper-
ands
Control signal:
any FlexLogic™ operand
Response time:
< 8 ms at 60 Hz, < 10 ms at 50 Hz
DIGITAL ELEMENTS
Number of elements:
48
Operating signal:
any FlexLogic™ operand
Pickup delay:
0.000 to 999999.999 s in steps of 0.001
Dropout delay:
0.000 to 999999.999 s in steps of 0.001
Timing accuracy:
±3% or ±4 ms, whichever is greater
DATA LOGGER
Number of channels:
1 to 16
Parameters:
any available analog actual value
Sampling rate:
15 to 3600000 ms in steps of 1
Trigger:
any FlexLogic™ operand
Mode:
continuous or triggered
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
2.2 SPECIFICATIONS
2.2.3 MONITORING
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2-9
2
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