Woodward MRM4, Manual

Page: 357 / 460

Protective Elements
Device Planning Parameters of the Load Shedding
Parameter Description Options Default Menu path
Mode Mode do not use,
use
use [Device planning]
Global Protection Parameters of the Load Shedding
Parameter Description Setting range Default Menu path
ExBlo1 External blocking of the
module, if blocking is
activated (allowed) within
a parameter set and if the
state of the assigned
signal is true. 1..n, Assignment List -.- [Protection Para
/Global Prot Para
/MLS]
ExBlo2 External blocking of the
module, if blocking is
activated (allowed) within
a parameter set and if the
state of the assigned
signal is true. 1..n, Assignment List -.- [Protection Para
/Global Prot Para
/MLS]
Setting Group Parameters of the Load Shedding
Parameter Description Setting range Default Menu path
Function Permanent activation or
deactivation of
module/stage. inactive,
active
inactive [Protection Para
/<n>
/MLS]
ExBlo Fc Activate (allow) or
inactivate (disallow)
blocking of the
module/stage. This
parameter is only
effective if a signal is
assigned to the
corresponding global
protection parameter. If
the signal becomes true,
those modules/stages
are blocked that are
parametrized "ExBlo
Fc=active". inactive,
active
inactive [Protection Para
/<n>
/MLS]
Pickup Threshold Mechanical load
shedding pickup current
as multiplier of Ib. 0.50 - 1.50Ib 0.90Ib [Protection Para
/<n>
/MLS]
t-Pickup Delay Trip delay time 0.0 - 5.0s 1.0s [Protection Para
/<n>
/MLS]
EN MRM4 01/11 Page 357