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11. OPTIONS AND PERIPHERAL EQUIPMENT
(1) MR-JE-100A or less
When you use a regenerative option for MR-JE-40A to MR-JE-100A, remove wirings of P+ and C,
remove the built-in regenerative resistor, and then connect the regenerative option between P+ and C.
G3 and G4 are terminals for thermal sensor. Between G3 and G4 is opened when the regenerative
option overheats abnormally.
Always remove the wiring (across P+ to C) of the
servo amplifier built-in regenerative resistor.
Servo amplifier
P+
C
(Note 1)
(Note 2)
5 m or less
Note 1. The built-in regenerative resistor is not provided for MR-JE-10A and MR-JE-20A.
2. Make up a sequence which will switch off the magnetic contactor when abnormal
heating occurs.
G3-G4 contact specifications
Maximum voltage: 120 V AC/DC
Maximum current: 0.5 A/4.8 V DC
Maximum capacity: 2.4 VA
3. When the ambient temperature is more than 55 °C and the regenerative load ratio
is more than 60% in MR-RB32, forcefully cool the air with a cooling fan (1.0
m
/min or more, 92 mm × 92 mm). A cooling fan is not required if the ambient
3
temperature is 35 °C or less. (A cooling fan is required for the shaded area in the
following graph.)
100
60
A cooling fan is
not required.
0
0
Ambient temperature [°C]
11 - 8
Regenerative option
P
C
G3
G4
(Note 3)
Cooling fan
A cooling fan is required.
35
55
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