Mitsubishi Electric GENERAL PURPOSE AC SERVO MR-E- A/AG Instruction Manual page 178

13. OPTIONS AND AUXILIARY EQUIPMENT
Subtract the capacitor charging from the result of multiplying the sum total of regenerative energies by
the inverse efficiency to calculate the energy consumed by the regenerative brake option.
Calculate the power consumption of the regenerative brake option on the basis of single-cycle operation
period tf [s] to select the necessary regenerative brake option.
(3) Connection of the regenerative brake option
Set parameter No.2 according to the open to be used.
(4) Connection of the regenerative brake option
The regenerative brake option will generate heat of about 100 . Fully examine heat dissipation,
installation position, used cables, etc. before installing the option. For wiring, use flame-resistant
cables and keep them clear of the regenerative brake option body. Always use twisted cables of max.
5m(16.4ft) length for connection with the servo amplifier.
Always remove the wiring from across P-D and fit the regenerative brake option across P-C.
The G3 and G4 terminals act as a thermal protector. G3-G4 are disconnected when the regenerative
brake option overheats abnormally.
Servo amplifier
D
P
C
5m (16.4 ft) max.
Note: 1. When using the MR-RB50, forcibly cool it with a cooling fan (1.0m
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
ER [J] Es
PR [W] ER/tf ............................................................................................(13.1)
Parameter No.0
Always remove the lead from across P-D.
Regenerative brake option
P
C
G3
(Note2)
G4
Fan (Note 1)
Ec
Selection of regenerative
0: Not used.
2: MR-RB032
3: MR-RB12
4: MR-RB32
5: MR-RB30
6: MR-RB50
3 /min, 92 or so).
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