Woodward MRM4, Manual, Page: 389 / 460

Protective Elements
Parameter Description Setting range Default Menu path
Use RTD values Take RTD values into
account for the
calculation of the
Thermal Model __ inactive,
active
inactive [Protection Para
/Global Prot Para
/I-Prot
/ThR]
K2 This value represents the
negative sequence
current weighting factor
of the motor. 0.10 - 10.00 6.01 [Protection Para
/Global Prot Para
/I-Prot
/ThR]
τ-cool Cooling time constant 5 - 240 60 [Protection Para
/Global Prot Para
/I-Prot
/ThR]
Setting Group Parameters of the Thermal Model
Parameter Description Setting range Default Menu path
Function Permanent activation or
deactivation of
module/stage. inactive,
active
active [Protection Para
/<n>
/I-Prot
/ThR]
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>
/I-Prot
/ThR]
Blo TripCmd Permanent blocking of
the Trip Command of the
module/stage. inactive,
active
inactive [Protection Para
/<n>
/I-Prot
/ThR]
EN MRM4 01/11 Page 389