Digital Elements - GE L30 Instruction Manual

Line current differential system, ur series
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5 SETTINGS
PATH: SETTINGS
CONTROL ELEMENTS
DIGITAL ELEMENT 1
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
There are 48 identical digital elements available, numbered 1 to 48. A digital element can monitor any FlexLogic™ operand
and present a target message and/or enable events recording depending on the output operand state. The digital element
settings include a name which will be referenced in any target message, a blocking input from any selected FlexLogic™
operand, and a timer for pickup and reset delays for the output operand.
DIGITAL ELEMENT 1 INPUT: Selects a FlexLogic™ operand to be monitored by the digital element.
DIGITAL ELEMENT 1 PICKUP DELAY: Sets the time delay to pickup. If a pickup delay is not required, set to "0".
DIGITAL ELEMENT 1 RESET DELAY: Sets the time delay to reset. If a reset delay is not required, set to "0".
DIGITAL ELEMENT 1 PICKUP LED: This setting enables or disabled the digital element pickup LED. When set to
"Disabled", the operation of the pickup LED is blocked.
ETT NG
DIGITAL ELEMENT 01
FUNCTION:
Disabled = 0
Enabled = 1
ETT NG
DIGITAL ELEMENT 01
INPUT:
Off = 0
ETT NG
DIGITAL ELEMENT 01
BLOCK:
Off = 0
CIRCUIT MONITORING APPLICATIONS:
Some versions of the digital input modules include an active voltage monitor circuit connected across form-A contacts. The
voltage monitor circuit limits the trickle current through the output circuit (see technical specifications for form-A).
GE Multilin

DIGITAL ELEMENTS

DIGITAL ELEMENT
FUNCTION: Disabled
DIG ELEM
1 NAME:
Dig Element 1
DIG ELEM
1 INPUT:
Off
DIG ELEM
1 PICKUP
DELAY:
0.000 s
DIG ELEM
1 RESET
DELAY:
0.000 s
DIG ELEMENT
1
PICKUP LED: Enabled
DIG ELEM
1 BLOCK:
Off
DIGITAL ELEMENT
TARGET: Self-reset
DIGITAL ELEMENT
EVENTS: Disabled
ETT NG
DIGITAL ELEMENT 01
NAME:
AND
RUN
INPUT = 1
Figure 5–84: DIGITAL ELEMENT SCHEME LOGIC
L30 Line Current Differential System
5.7 CONTROL ELEMENTS
DIGITAL ELEMENT 1(48)
Range: Disabled, Enabled
1
Range: 16 alphanumeric characters
Range: FlexLogic™ operand
Range: 0.000 to 999999.999 s in steps of 0.001
Range: 0.000 to 999999.999 s in steps of 0.001
Range: Disabled, Enabled
Range: FlexLogic™ operand
Range: Self-reset, Latched, Disabled
1
Range: Disabled, Enabled
1
ETT NG
DIGITAL ELEMENT 01
PICKUP DELAY:
DIGITAL ELEMENT 01
FLEXLOG C OPE AND
RESET DELAY:
DIG ELEM 01 DPO
t
DIG ELEM 01 PKP
PKP
DIG ELEM 01 OP
t
RST
5.7.7 DIGITAL ELEMENTS
827042A1.VSD
5-173
5

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