
5-144
C30 CONTROLLER SYSTEM – INSTRUCTION MANUAL
FLEXLOGIC
CHAPTER 5: SETTINGS
5
Figure 5-67: FlexElement input mode setting
FLEXELEMENT 1 PICKUP
— This setting specifies the operating threshold for the effective operating signal of the element. If
set to “Over,” the element picks up when the operating signal exceeds the
FLEXELEMENT 1 PICKUP
value. If set to “Under,” the
element picks up when the operating signal falls below the
FLEXELEMENT 1 PICKUP
value.
FLEXELEMENT 1 HYSTERESIS
— This setting controls the element dropout. Notice that both the operating signal and the
pickup threshold can be negative, facilitating applications such as reverse power alarm protection. The FlexElement can be
programmed to work with all analog actual values measured by the relay. The
FLEXELEMENT 1 PICKUP
setting is entered in
per-unit values using the following definitions of the base units.
Table 5-21: FlexElement base units
Unit
Description
DCmA
BASE = maximum value of the
DCMA INPUT MAX
setting for the two transducers configured
under the +IN and –IN inputs
DELTA TIME
BASE = 1 µs
FREQUENCY
f
BASE
= 1 Hz
PHASE ANGLE
ϕ
BASE
= 360 degrees (see the UR angle referencing convention)
POWER FACTOR
PF
BASE
= 1.00
RTDs
BASE = 100°C
Содержание C30
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