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GE Multilin
B90 Low Impedance Bus Differential System
2-13
2 PRODUCT DESCRIPTION
2.3 SPECIFICATIONS
2
above 2
CT rating:
±2.5% of reading
Timer accuracy:
±3% of operate time or ±1/4 cycle
(whichever is greater)
TRIP BUS (TRIP WITHOUT FLEXLOGIC)
Number of elements:
6
Number of inputs:
16
Operate time:
<2 ms at 60 Hz
Timer accuracy:
±3% or 10 ms, whichever is greater
2.3.2 USER-PROGRAMMABLE ELEMENTS
FLEXLOGIC
Programming language: Reverse Polish Notation with graphical
visualization (keypad programmable)
Lines of code:
512
Internal variables:
64
Supported operations:
NOT, XOR, OR (2 to 16 inputs), AND (2
to 16 inputs), NOR (2 to 16 inputs),
NAND (2 to 16 inputs), latch (reset-domi-
nant), edge detectors, timers
Inputs:
any logical variable, contact, or virtual
input
Number of timers:
32
Pickup delay:
0 to 60000 (ms, sec., min.) in steps of 1
Dropout delay:
0 to 60000 (ms, sec., min.) in steps of 1
FLEXCURVES™
Number:
4 (A through D)
Reset points:
40 (0 through 1 of pickup)
Operate points:
80 (1 through 20 of pickup)
Time delay:
0 to 65535 ms in steps of 1
FLEX STATES
Number:
up to 256 logical variables grouped
under 16 Modbus addresses
Programmability:
any logical variable, contact, or virtual
input
Number of elements:
8
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
USER-DEFINABLE DISPLAYS
Number of displays:
16
Lines of display:
2
20 alphanumeric characters
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
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
2.3.3 MONITORING
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
EVENT RECORDER
Capacity:
1024 events
Time-tag:
to 1 microsecond
Triggers:
any element pickup, dropout, or operate;
contact input change of state; contact
output change of state; self-test events
Data storage:
in non-volatile memory
Содержание B90
Страница 10: ...x B90 Low Impedance Bus Differential System GE Multilin TABLE OF CONTENTS ...
Страница 50: ...2 20 B90 Low Impedance Bus Differential System GE Multilin 2 3 SPECIFICATIONS 2 PRODUCT DESCRIPTION 2 ...
Страница 118: ...4 28 B90 Low Impedance Bus Differential System GE Multilin 4 3 FACEPLATE INTERFACE 4 HUMAN INTERFACES 4 ...
Страница 284: ...5 166 B90 Low Impedance Bus Differential System GE Multilin 5 8 TESTING 5 SETTINGS 5 ...
Страница 334: ...10 8 B90 Low Impedance Bus Differential System GE Multilin 10 2 BATTERIES 10 MAINTENANCE 10 ...
Страница 338: ...A 4 B90 Low Impedance Bus Differential System GE Multilin A 1 PARAMETER LISTS APPENDIX A A ...
Страница 460: ...C 30 B90 Low Impedance Bus Differential System GE Multilin C 7 LOGICAL NODES APPENDIX C C ...
Страница 476: ...E 10 B90 Low Impedance Bus Differential System GE Multilin E 1 IEC 60870 5 104 APPENDIX E E ...
Страница 502: ...viii B90 Low Impedance Bus Differential System GE Multilin INDEX ...