Ulvac VD151, Инструкция по эксплуатации

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YK08-0028-DI-002-08
16
This motor incorporates a temperature sensor (PTO
：
which opens at 150
℃
) and leader wires are
arranged in the terminal box. Use these wires to take out the signal wire.
Connect the temperature sensor (PTO) as shown in Fig. 7. The specifications of the temperature
sensor are shown in Table 3.
Table. 3 Specification of the temperature sensor (PTO)
N.R.T.: Nominal running temperature of the PTO
WARNING
1) Be sure to use different power cords for the motor and for taking out
a temperature sensor signal.
2) Apply a voltage of 250 V or less to the wire for taking out the
temperature sensor signal. Connect a fast-acting an fuse having a
capacity of 250 V, 2.5 V between the relay circuit and temperature
sensor.
Type Operating Principle Operating Curve Cut-off(A)
Normally closed
thermostat
PTO
Bimetallic strip, indirectly heated,
with normally closed (N/C)
contact
2.5A at 250V
with cosφ0.4