8.11
Date Code 20020903
SEL-587Z Instruction Manual
Front-Panel Interface
Local Control
Operate
Local Control
Press the right arrow pushbutton, and scroll back to the first set local control
switch in the factory default settings:
Press the
{SELECT}
pushbutton and the operate option for the displayed
local control switch displays:
With this first local control switch (BUSZONE ON/OFF) in the OPEN
position, the CLOSE position is the only operate option.
Scroll left with the left arrow pushbutton and then
{SELECT}
“Yes” (press
{SELECT}
pushbutton). The display then shows the new local control switch
position:
Use the right arrow pushbutton, and scroll to the manual trip switch:
Press the
{SELECT}
pushbutton, and the operate option for the displayed
local control switch displays:
Scroll left with the left arrow pushbutton and then
{SELECT}
“Yes.” The
display then shows the new local control switch position:
Because this is an OFF/MOMENTARY type switch, the MANUAL TRIP
switch returns to the RETURN position after momentarily being in the TRIP
position. Technically, the MANUAL TRIP switch (being an OFF/
MOMENTARY type switch) is in the:
TRIP position for one processing interval (1/8 cycle; long enough to
assert the corresponding local bit LB3 to logical 1).
BUSZONE SW
←→
Position: OFF
Logical 1
LB1
Relay
Word
Bit
Enable
BUSZONE SW
Disable
(logical 0)
BUSZONE SW
←→
ON? Yes No
Logical 1
LB1
Relay
Word
Bit
Enable
BUSZONE SW
Disable
(logical 0)
BUSZONE SW
←→
Position: ON
Logical 1
LB1
Relay
Word
Bit
Enable
BUSZONE SW
Disable
(logical 0)
MANUAL TRIP
←→
Position: RETURN
Logical 1
LB3
Relay
Word
Bit
RETURN
(logical 0)
MANUAL TRIP
TRIP
MANUAL TRIP
←→
TRIP ? Yes No
Logical 1
LB3
Relay
Word
Bit
RETURN
(logical 0)
MANUAL TRIP
TRIP
MANUAL TRIP
←→
Position: TRIP
Logical 1
LB3
Relay
Word
Bit
RETURN
(logical 0)
MANUAL TRIP
TRIP
Содержание SEL-587Z
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