— 3-6 —
B
B
3
3
t
t
y
y
p
p
e
e
B
B
5
5
t
t
y
y
p
p
e
e
3.3. Wiring
3.3.3. Prevent Overheating of Motor
2
2
3
3
t
t
y
y
p
p
e
e
2
2
5
5
t
t
y
y
p
p
e
e
3.3.3. Prevent Overheating of Motor
l Provide a main power shutdown circuit using the thermal sensor to prevent overheats of the
Motor.
l YSB Series Motor is equipped with a thermal sensor, and its output is provided to the Motor
cable. Refer to “2.6.3. Dimensions of Cable Set.”
l The power shutdown circuit is to shut down the power for the primary circuit when the thermal
sensor activates. Refer to a wiring example (Figure 3-5) and provide the power shutdown circuit
using 2 lead wires S1 and S2 of the Motor cable set.
l Thermal sensor specifications
à Contact : Normally closed.
à Capacity : Maximum 250 VAC, 3.5 A
Minimum 6 V, 0.15 A
à Model : T100R1U1N (Matsushita Electric Industrial Co., Ltd.)
(Set temperature: 100℃)
à Conforms to VDE.
à The sensor is an auto-regression type. It returns to normal state when the temperature
becomes 15°C lower than set temperature. Turn on the main power 30 minutes after
the shutdown circuit activated.
3.3.4. Ground Connection
！
Caution : Connect the shield of the signal shielded cables (CN2) to the FG or SG
terminal of the master controller. If a malfunction occurs, connect it to
the FG terminal of the terminal block of Driver Unit.
l For grounding the Driver Unit, use heavy gage cable as possible such as braided copper cable or
AWG12 or better.
！
Caution : Ground the Motor separately when it is isolated from the mother
machine.
！
Warning : All the ground lines must be connected at one point and the grounding
resistance shall be 100W or less.
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