Monitoring - GE G30 Instruction Manual

2 PRODUCT DESCRIPTION
FLEX STATES
Number: up to 256 logical variables grouped
under 16 Modbus addresses
Programmability: any logical variable, contact, or virtual
input
FLEXELEMENTS™
Number of elements: 16
Operating signal: any analog actual value, or two values in
differential mode
Operating signal mode: signed or absolute value
Operating mode: level, delta
Comparator direction: over, under
Pickup Level: –90.000 to 90.000 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 & dropout delay: 0.000 to 65.535 s in steps of 0.001
NON-VOLATILE LATCHES
Type: set-dominant or reset-dominant
Number: 16 (individually programmed)
Output: stored in non-volatile memory
Execution sequence: as input prior to protection, control, and
FlexLogic
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
LED TEST
Initiation: from any contact 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
OSCILLOGRAPHY
Maximum records: 64
Sampling rate: 64 samples per power cycle
Triggers: any element pickup, dropout, or operate;
contact input change of state; contact
output change of state; FlexLogic equa-
tion
Data: AC input channels; element state; con-
tact input state; contact output state
Data storage: in non-volatile memory
GE Multilin
USER-DEFINABLE DISPLAYS
Number of displays:
Lines of display:
Parameters:
Invoking and scrolling:
CONTROL PUSHBUTTONS
Number of pushbuttons: 7
Operation:
USER-PROGRAMMABLE PUSHBUTTONS (OPTIONAL)
Number of pushbuttons: 12 on standard front panel
Mode:
Display message:
Drop-out timer:
Autoreset timer:
Hold timer:
SELECTOR SWITCH
Number of elements:
Upper position limit:
Selecting mode:
Time-out timer:
Control inputs:
Power-up mode:
DIGITAL ELEMENTS
Number of elements:
Operating signal:
Pickup delay:
Dropout delay:
Timing accuracy:
EVENT RECORDER
Capacity:
Time-tag:
Triggers:
Data storage:
USER-PROGRAMMABLE FAULT REPORT
Number of elements:
Pre-fault trigger:
Fault trigger:
Recorder quantities:
G30 Generator Protection System
2.4 SPECIFICATIONS
16
2 × 20 alphanumeric characters
up to 5, any Modbus register addresses
keypad, or any user-programmable con-
dition, including pushbuttons
drive FlexLogic operands
16 on enhanced horizontal front panel
6 on enhanced vertical front panel
self-reset, latched
2 lines of 20 characters each
0.00 to 60.00 s in steps of 0.05
0.2 to 600.0 s in steps of 0.1
0.0 to 10.0 s in steps of 0.1
2
1 to 7 in steps of 1
time-out or acknowledge
3.0 to 60.0 s in steps of 0.1
step-up and 3-bit
restore from non-volatile memory or syn-
chronize to a 3-bit control input or synch/
restore mode
48
any FlexLogic operand
0.000 to 999999.999 s in steps of 0.001
0.000 to 999999.999 s in steps of 0.001
±3% or ±4 ms, whichever is greater

2.4.3 MONITORING

1024 events
to 1 microsecond
any element pickup, dropout, or operate;
contact input change of state; contact
output change of state; self-test events
in non-volatile memory
2
any FlexLogic operand
any FlexLogic operand
TM
32 (any FlexAnalog value)
2
2-23