Mitsubishi Electric MR-J4W2-0303B6, Instruction Manual

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15. USING A DIRECT DRIVE MOTOR
15 - 22
(b) Dynamic brake time constant
The following shows necessary dynamic brake time constant τ for the equation (15.1).
Ti
me
c
o
n
sta
n
t
τ
[ms]
Speed [r/min]
0
0 100 200
5
15
20
25
30
300 400 500
006
004
10
002
0
0 100 200
70
300 400 500
012
006
018
10
20
30
40
50
60
Speed [r/min]
T
im
e
constant
τ
[ms]
TM-RFM_C20 TM-RFM_E20
Speed [r/min]
T
ime const
ant
τ
[ms]
0
0
10
30
40
50
60
20
012
100 200 300 400 500
Speed [r/min]
0
0
60
040
50 100 150 200
70
80
50
40
30
20
10
T
im
e
const
ant
τ
[ms]
TM-RFM_G20 TM-RFM_J10
0
0
25
30
20
15
10
5
0 100 200 300 400 500 600
Speed [r/min]
T
ime cons
tant
τ
[ms]
0
0
5
15
20
25
30
10
0 100 200 300 400 500 600
Speed [r/min]
T
im
e
const
ant
τ
[ms]
TM-RG2M002C30
TM-RU2M002C30 TM-RG2M004E30
TM-RU2M004E30
0
0
60
70
80
50
40
30
20
10
0 100 200 300 400 500 600
Speed [r/min]
T
ime c
onstant
τ
[ms]
TM-RG2M009G30
TM-RU2M009G30