1-52
Factory-Set Logic
Date Code 990215
SEL-351P Manual Técnico
SEL
OGIC
settings
SET6
(set)
(reset)
Relay
Word
Bits
PB7
Relay
Word
Bit
LT6
RST6
DWG: MP351P032
PROTEÇÃO
BLOQUEADA
operator control
pushbutton
(pulsed output - see
Figure 1.33)
LT4
BLOQUEIO operator
control OFF (see
Figure 1.44)
PROTEÇÃO
BLOQUEADA
operator control ON
(LT6 = logical 1)
LT6 is not used in any
factory-set logic. User
needs to program
particular SEL
OGIC
settings to realize the
desired protection
blocking function.
Figure SECTION 1: .42:
PROTEÇÃO BLOQUEADA Operator Control Logic
Application
AJUSTES ALTERNATIVOS Operator Control
Figure SECTION 1: .43 describes the logic driven by the AJUSTES ALTERNATIVOS operator
control pushbutton (pulsed output PB4) and operation of the corresponding LED. Note that the
BLOQUEIO operator control logic supervises the AJUSTES ALTERNATIVOS operator control.
The BLOQUEIO operator control has to be OFF (LT4 = logical 1) in order for the AJUSTES
ALTERNATIVOS operator control to effectively function, and so that Relay Word bit PB4 can
propagate on to:
•
“select setting group” SEL
OGIC
settings SS1 and SS2
•
AJUSTES ALTERNATIVOS operator control LED setting LED4
Relay Word bit SG1 = logical 1 indicates that settings group 1 is the active setting group. Relay
Word bit SG1 routes the AJUSTES ALTERNATIVOS operator control pushbutton output PB4
to:
•
SEL
OGIC
setting SS1 (go to setting group 1) when SG1 = logical 0 (setting group 1 is
not presently the active setting group)
•
SEL
OGIC
setting SS2 (go to setting group 2) when SG1 = logical 1 (setting group 1 is
presently the active setting group)
Each time the AJUSTES ALTERNATIVOS operator control pushbutton is momentarily pressed,
the active setting group switches between:
•
Setting group 2 as the active setting group (AJUSTES ALTERNATIVOS operator
control LED illuminates)
•
And setting group 1 as the active setting group (AJUSTES ALTERNATIVOS operator
control LED extinguishes)
Neither SEL
OGIC
setting SS1 nor SS2 has to be maintained at logical 1 in order for the active
setting group to remain at setting group 1 or setting group 2, respectively. See
Multiple Settings
Groups
subsection in
Section 7: Inputs, Outputs, Timers, and Other Control Logic
.
Содержание SEL-351P
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