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Notes: M14 is the main motor for extruder; FR14 is the thermal overload relay; TA14 is the current transformer; PA14 is the ammeter; U14 is the current
isolation transmitter; E-STOP is the emergency stop switch; KT10 is the time-delay relay of main motor (set time 1-5s)
Fig.4-14(i) Schematic diagram for electric control principle of MY265 extruder 8
0103
0104
A
PA14
S100
DC0V
N
PLC
IN
5249
E-STOP
PL
C
OU
T
5250
FR14
KA14
QF14
5251
5252
5253
TA14
V14
U14
W14
Z14
Y14
X14
M 14
400 kW
QF14
KM14Y
KM14
KM14
KA14
KM14△
5255
KM14
KM14Y
KT14
KT14
KM14
KT14
KM14△
5254
5256
5257
KM14Y
KM14△
5260
5259
KM14△
FR14
A3
B3
C3
PE
5258
KM14Y
KT10
(1~5s)
U14
A31
4
B31
4
C31
4