Monitoring; Metering; Inputs - GE B30 Instruction Manual

2.2 SPECIFICATIONS
USER-DEFINABLE DISPLAYS
Number of displays:
Lines of display:
Parameters:
Invoking and scrolling:
CONTROL PUSHBUTTONS
2
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:
OSCILLOGRAPHY
Maximum records:
Sampling rate:
Triggers:
Data:
Data storage:
RMS CURRENT: PHASE, NEUTRAL, AND GROUND
Accuracy at
0.1 to 2.0 × CT rating: ±0.25% of reading or ±0.1% of rated
> 2.0 × CT rating:
RMS VOLTAGE
Accuracy:
AC CURRENT
CT rated primary:
CT rated secondary:
Nominal frequency:
Relay burden:
Conversion range:
Standard CT:
Sensitive Ground CT module:
0.002 to 4.6 × CT rating RMS symmetrical
Current withstand:
2-12
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
64
64 samples per power cycle
any element pickup, dropout, or operate;
digital input change of state; digital out-
put change of state; FlexLogic™ equa-
tion
AC input channels; element state; digital
input state; digital output state
in non-volatile memory
(whichever is greater)
±1.0% of reading
±0.5% of reading from 10 to 208 V
1 to 50000 A
1 A or 5 A by connection
20 to 65 Hz
< 0.2 VA at rated secondary
0.02 to 46 × CT rating RMS symmetrical
20 ms at 250 times rated
B30 Bus Differential System
2 PRODUCT DESCRIPTION
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
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
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
USER-PROGRAMMABLE FAULT REPORT
Number of elements: 2
Pre-fault trigger: any FlexLogic™ operand
Fault trigger: any FlexLogic™ operand
Recorder quantities: 32 (any FlexAnalog value)
FREQUENCY
Accuracy at
V = 0.8 to 1.2 pu: ±0.001 Hz (when voltage signal is used
for frequency measurement)
I = 0.1 to 0.25 pu: ±0.005 Hz
I > 0.25 pu: ±0.001 Hz (when current signal is used
for frequency measurement)
1 sec. at 100 times rated
continuous at 3 times rated
Short circuit rating: 150000 RMS symmetrical amperes, 250
V maximum (primary current to external
CT)

2.2.3 MONITORING

2.2.4 METERING

2.2.5 INPUTS

GE Multilin