Omron K2CU - Page 11

K2CU
K2CU
11
K2CU-F
Single-phase Heater Three-phase Heater
S1
S2
YBZL
CM1
a1
Y/a
Heater
K2CU-F
Temperature
controller
Power
source
S1
S2
YBZL
b1
CM1
al
Y/a
Heater
K2CU-F
Temperature
controller
Power
source
Control
contact
Control
contact
Contactor
Contactor
Temperature
sensor
Temperature
sensor
Three-phase, V -connected Heater W ith External Current T ransformer
S1
S2
b1
CM1
al
Heater
K2CU-F
S1
S2
b1
CM1
al
Heater
K2CU-F10A-j
Power
source
CT
jA/SA
CT
jA/SA
Note: Pass two out of the three line conductors
through the current transformers of the
heater burnout detector twice as shown.