BE1-32R, -32 O/U HUMAN-MACHINE INTERFACE (CONTROLS AND INDICATORS)
2-1
SECTION 2 • HUMAN-MACHINE INTERFACE
(Controls and Indicators)
Table 2-1. BE1-32R -32 O/U Controls and Indicators (Refer to Figure 2-1)
Locator
Control or Indicator
Function
A
OVERpower Tap Selector
A 10-position rotary switch provides selection of the
overpower pickup point when used in conjunction with
the range switch (O). Over power pickup levels are
labeled on the tap select range chart.
B
OVERpower PICKUP LED
LED is ON when the OVERpower pickup level has been
exceeded.
C
Multiplier Switch
Provides selection of the TIME DELAY multiplier factor
(0.1 or 1.0 times the indicated TIME DELAY setting,
definite time only).
D
UNDERpower Percent of
Tap Selector
A continuously adjustable potentiometer provides
selection of the percent of tap underpower pickup point.
E
POWER LED
LED is ON when proper operating power is supplied to
the relay internal circuitry.
F
UNDERpower PICKUP LED
LED is ON when the underpower pickup level has been
surpassed.
G
UNDERpower TIME DELAY
Control
Front panel thumbwheel switches provide selection of
the UNDERpower trip time delay when used in
conjunction with the multiplier switch (H). A TIME
DELAY setting of 00 indicates instantaneous time.
H
UNDERpower TIME DELAY
Multiplier Switch
Provides selection of the TIME DELAY multiplier factor
(0.1 or 1.0 times the indicated TIME DELAY setting,
definite time only.
I
Target Reset Lever
Provides manual reset of magnetic target indicators.
J
UNDERpower Target
Indicator
Provides visual indicator that the UNDERpower output
relay has energized. Must be manually reset.
K
OVERpower Target
Indicator
Provides visual indicator that the OVERpower output
relay has energized. Must be manually reset.
L
PUSH-TO-ENERGIZE
OUTPUT Pushbuttons
Provides manual actuation of the output relays by
inserting a 1/8 inch thick, non-conduction rod through the
front-panel access hole.
M
TAP Select Range Chart
Provides an index of power levels that correspond to
OVERpower TAP select switch positions.
N
OVERpower TIME DELAY
Control
Front panel thumbwheel switches provide selection of
the OVERpower trip time delay when used in conjunction
with the multiplier switch (C). A TIME DELAY setting of
00 indicates instantaneous time.
O
RANGE Select Switch
Provides HI/LOW power range selection for system
protection.
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