15. USING A DIRECT DRIVE MOTOR
15 - 21
(b) Dynamic brake time constant
The following shows necessary dynamic brake time constant
τ
for equation 15.1.
Speed [r/min]
0
0
100
200
5
15
20
25
30
300
400
500
006
004
10
002
T
ime constant
τ
[ms]
0
0
100
200
70
300
400
500
012
006
018
10
20
30
40
50
60
Speed [r/min]
T
im
e c
onst
ant
τ
[ms]
TM-RFM_C20 TM-RFM_E20
0
0
10
30
40
50
60
20
100
200
300
400
500
Speed [r/min]
072
048
012
T
im
e c
onst
ant
τ
[ms]
0
0
60
50
100
150
200
70
80
50
40
30
20
10
Speed [r/min]
120
040
240
T
ime c
onst
a
nt
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
im
e
const
ant
τ
[ms]
TM-RG2M009G30
TM-RU2M009G30
Summary of Contents for MR-J4-100B(-RJ)
Page 17: ...8 MEMO ...
Page 143: ...4 STARTUP 4 20 MEMO ...
Page 199: ...5 PARAMETERS 5 56 MEMO ...
Page 227: ...6 NORMAL GAIN ADJUSTMENT 6 28 MEMO ...
Page 281: ...8 TROUBLESHOOTING 8 16 MEMO ...
Page 303: ...9 DIMENSIONS 9 22 MEMO ...
Page 319: ...10 CHARACTERISTICS 10 16 MEMO ...
Page 429: ...11 OPTIONS AND PERIPHERAL EQUIPMENT 11 110 MEMO ...
Page 435: ...12 ABSOLUTE POSITION DETECTION SYSTEM 12 6 MEMO ...
Page 483: ...14 USING A LINEAR SERVO MOTOR 14 34 MEMO ...
Page 531: ...16 FULLY CLOSED LOOP SYSTEM 16 26 MEMO ...
Page 613: ...17 APPLICATION OF FUNCTIONS 17 82 MEMO ...
Page 654: ...APPENDIX App 41 ...