CHAPTER 2: PRODUCT DESCRIPTION
SPECIFICATIONS
B30 BUS DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
2-23
2
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
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
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 and 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 (Enhanced and standard front panels)
Number:
48 plus trip and alarm
Programmability:
from any logical variable, contact, or virtual input
Reset mode:
self-reset or latched
LED TEST
Initiation:
from any contact input or user-programmable 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 (Enhanced and standard front panels)
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 condition, including pushbuttons
CONTROL PUSHBUTTONS (Enhanced and standard front panels)
Number of pushbuttons:
7
Operation:
drive FlexLogic operands
Summary of Contents for b30
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Page 486: ...5 278 B30 BUS DIFFERENTIAL SYSTEM INSTRUCTION MANUAL TESTING CHAPTER 5 SETTINGS 5 ...
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