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27
Speed Control Adjustment Ranges
NOTE
: Full rotation of potentiometers may exceed the range specified.
D
Maximum speed: 50 to 100% of motor base speed with speed
setting pot at its maximum setting
D
Minimum speed: 10 to 50% of maximum speed with speed setting
pot at its minimum setting. With zero speed jumper, minimum speed
range is 0 to 50% of maximum speed.
D
Current limit: adjustable to 150% of selected current range
D
IR drop compensation: 5% to 10% at rated armature voltage
D
Speed regulation characteristics: refer to Table 26.
D
Ramp time to maximum speed: 0.5 to 30 sec.
D
Enhanced ramp time to maximum speed (05721031 and 32
Regulator Boards only):
- J401, slow" adjustable from 3.5 seconds to 40 seconds
- J401, fast" adjustable from .3 seconds to 3.5 seconds
D
Dynamic braking provided in Models DC271, 78, 91 and 98 only.
This capability is designed for applications requiring infrequent
stops of loads in which the inertia reflected to the motor is
approximately equivalent to or less than the motor armature inertia.
Refer to Table 27.
CAUTION:
Do not use dynamic braking on applications with reflected inertias
higher than motor armature inertia or when frequent stops are necessary. Failure to
observe this precaution could result in damage to, or destruction of, the equipment.
D
Isolated process follower input:
- P.I. Gain .5 to 2.5
- P.I. 25% of full reference
Torque Control Adjustment Ranges
D
Maximum torque: 75 to 150% of rated motor torque with torque
potentiometer at its maximum setting
D
Minimum torque: 5 to 50% of maximum motor torque with torque
potentiometer at its minimum setting
D
Speed/Voltage limit: 20 to 110% base speed
Содержание DC2 VS series
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Страница 31: ...3 16 419 519 TB2 Motor Mounted D C Tachometer Figure 3 8 D C Tachometer Connection...
Страница 48: ...5 6 Figure 5 1 Wiring Diagram of Basic Speed Controller 0 57210 30...
Страница 49: ...5 7...
Страница 51: ...5 9 J4...
Страница 53: ...5 11 DEVICE INTERCONNECTIONS BACK OF REVERSING SWITCH Figure 5 3 Operator Device Interconnections...
Страница 56: ...Reliance Electric 24701 Euclid Avenue Cleveland Ohio 44117 216 266 7000 Printed in U S A D2 3231 3 March 1994...