14 - 21
14. OPTIONS AND AUXILIARY EQUIPMENT
For the MR-RB50 install the cooling fan as shown.
82.5
40
82
.5
13
3
Fan installation screw hole dimensions
2-M3 screw hole
(for fan installation)
Depth 10 or less
(Screw hole already
machined)
Recommended fan:
Toyo Denki's TL396A or equivalent
Fan
Terminal block
Thermal relay
Installation surface
Horizontal installation
Vertical
installation
Top
Bottom
[Unit : mm]
(b) MR-J3-500T MR-J3-700T
Always remove the wiring (across P-C) of the servo amplifier built-in regenerative resistor and fit the
regenerative option across P-C.
The G3 and G4 terminals act as a thermal sensor. G3-G4 is opened when the regenerative option
overheats abnormally.
P
P
C
G3
(Note 2)
5m or less
G4
C
Servo amplifier
Always remove wiring (across P-C) of servo
amplifier built-in regenerative resistor.
Regenerative option
Fan (Note 1)
Note 1. When using the MR-RB50 MR-RB51, forcibly cool it with a cooling fan (1.0m
3
/min, 92 or so).
2. Make up a sequence which will switch off the magnetic contactor (MC)
when abnormal heating occurs.
G3-G4 contact specifications
Maximum voltage: 120V AC/DC
Maximum current: 0.5A/4.8VDC
Maximum capacity: 2.4VA
When using the regenerative resistor option, remove the servo amplifier's built-in regenerative resistor
terminals (across P-C), fit them back to back, and secure them to the frame with the accessory screw as
shown below.
Mounting method
Accessory screw
Summary of Contents for MELSERVO MR-J3-xT
Page 22: ...8 MEMO ...
Page 156: ...4 46 4 SIGNALS AND WIRING MEMO ...
Page 276: ...7 26 7 MR Configurator MEMO ...
Page 324: ...10 16 10 SPECIAL ADJUSTMENT FUNCTIONS MEMO ...
Page 418: ...14 66 14 OPTIONS AND AUXILIARY EQUIPMENT MEMO ...