Rockwell Automation M3575RH Series Bedienungsanleitung

Snubber Braking Kits for AC Drives

Enclosed Resistor Modules, Enclosed Transistor Modules

Model Numbers

M3575RH__, M3575RL__, M3575TH__, M3575TL__

Instruction Manual D2-3439-1

Product Description

Snubber Braking kits connect to 230 VAC and 460 VAC GV3000/SE, SP120, SP500, and VSM500 drives.

These kits dissipate the power regenerated by the motor during rapid deceleration or during overhauling load

conditions.

The regenerated energy is normally consumed, as shown in figure 1, by mechanical loss, by the motor, and by

the drive. The remaining energy is stored in the drive’s DC bus capacitor. If the remaining energy causes the

capacitor voltage to rise above the normal operating range, the Braking Unit will discharge the regenerated

energy before the drive voltage becomes excessive.

Power resistors are used to dissipate the energy. When the DC bus voltage rises above normal level, either a

built-in transistor (in GV3000/SE bookshelf drives) or an external transistor (used with NEMA-type GV3000/SE,

SP500, and VSM500 drives) automatically switches the dynamic braking resistors on in

pulse-width-modulation (PWM) mode to absorb the excess energy. The transistor is turned fully on at 375 VDC

for 230 VAC input drives and at 750 VDC for 460 VAC input drives. The snubber resistors are sized to provide

the power dissipating capability required for the duty cycle of the application.

!ATTENTION:Only qualified electrical personnel familiar with the construction and operation of

this equipment and the hazards involved should install, adjust, operate, and/or service this

equipment. Read and understand this manual and other applicable manuals in their entirety

before proceeding. Failure to observe this precaution could result in severe bodily injury or loss

of life.

Figure 1 – Dissipation of Energy Regenerated by the Motor

Energy

Regenerated

bythe Motor

Consumption

by Mechanical

Loss

Consumption

intheMotor

Itself (approx.

10 to 20%of

Output

Consumption

by the Drive

Itself

Storage in

Capacitor of

the Drive

Discharge of

Regenerated

Energy at

Braking Unit

Enclosed Resistor Modules, Enclosed Transistor Modules

Snubber Braking kits are available:

•as an Enclosed Resistor module for use with an AC drive containing a built-in transistor switching circuit

(such as the GV3000/SE Bookshelf AC drive) or for use in conjuction with an enclosed transistor module

(M/N M3575T__)

•as an Enclosed Transistor module (M/N M3575T__) for use with AC drives that do not contain a built-in

transistor switching circuit and for use with the enclosed resistor modules (M/N M3575R__)

Note that all of the Enclosed Resistor modules and Enclosed Transistor modules are rated for a maximum

on-time of 60 seconds at a specified duty cycle (see tables 1, 2, 5 and 6).

For GV3000/SE Bookshelf drives: Refer to tables 1, 2, and 3 to ensure that the Enclosed Resistor kit

matches your drive.

For AC Drives requiring both an Enclosed Resistor kit and an Enclosed Transistor kit: Refer to tables 4,

5, and 6 to ensure that the braking kits match your drive and your braking horsepower requirements.

Snubber Resistor Kits (M3575RH__, M3575RL__)

The figure below depicts the breakdown of the Snubber Resistor kit part number.

Enclosed Resistor Braking Unit Fault Output

Enclosed Resistor Braking units have one normally-closed contact (NC) rated at 1 amp @ 24 VDC or

0.5 amp @ 115 VAC that opens on an overtemperature fault condition ( 85 C or higher).

M3575R H 2 M F

Base Model Number

AC Voltage Rating

L = 230 VAC

H = 460 VAC

Horsepower Rating

Chassis Style

B = Bookshelf Style

M = Mini (Standard Enclosed Style)

G = Grid Resistors (G1, G2, G3)

Cooling Option

F = Internal Fan

Enclosed Resistor Modules, Enclosed Transistor Modules

Tables 1 and 2 show the rating data for the Enclosed Resistor Braking kits.

Table 1 – Enclosed Resistor Braking Kit Ratings (230 VAC)

Braking Kit

Model Number Braking

Braking

Duty

Cycle1

1. Maximum on-time is 60 seconds.

Braking Watts Max.

Amp

Rating

Load

Ohms

(±10%) Enclosure

TypePeak Continuous

M3575RL1M

M3575RL1MF 16%

20% 746 50

150 2190 M4

M3575RL2M

M3575RL2MF 26%

20% 1492 100

300 495 M4

M3575RL3B

M3575RL3BF 36%

20% 1989 100

400 575 B4

M3575RL3M

M3575RL3MF 36%

20% 2238 150

450 663 M4

M3575RL4M

M3575RL4MF 46%

20% 2984 200

600 848 M7

M3575RL5B

M3575RL5BF 56%

20% 3979 200

800 10 38 B4

M3575RL6M

M3575RL6MF 66%

20% 4476 300

900 12 32 M7

M3575RL8B

M3575RL8BF 86%

20% 5968 300

1200 15 25 B4

M3575RL9M

M3575RL9MF 96%

20% 6714 450

1350 18 21 M10

M3575RL11B

M3575RL11BF 11 6%

20% 7967 400

1600 20 19 B7

M3575RL16B

M3575RL16BF 16 6%

20% 11936 600

2400 31 13 B7

M3575RL24B

M3575RL24BF 24 6%

20% 17904 900

3600 47 8 B10

Enclosed Resistor Modules, Enclosed Transistor Modules

Table 2 – Enclosed Resistor Braking Kit Ratings (460 VAC)

Braking Kit

Model Number Braking

Braking

Duty

Cycle1

1. Maximum on-time is 60 seconds.

Braking Watts Max.

Amp

Rating

Load

Ohms

(±10%) Enclosure

TypePeak Continuous

M3575RH1M

M3575RH1MF 16%

20% 746 50

150 1780 M4

M3575RH2M

M3575RH2MF 26%

20% 1492 100

300 2390 M4

M3575RH3M

M3575RH3MF 36%

20% 2238 150

450 3260 M4

M3575RH4M

M3575RH4MF 46%

20% 2984 200

600 4195 M7

M3575RH5B

M3575RH5BF 56%

20% 4000 250

800 5150 B4

M3575RH6M

M3575RH6MF 66%

20% 4476 300

900 6130 M7

M3575RH8B

M3575RH8BF 86%

20% 6000 350

1200 890 B4

M3575RH9M

M3575RH9MF 96%

20% 6714 400

1350 987 M10

M3575RH11B

M3575RH11BF 11 6%

20% 8000 450

1600 11 60 B7

M3575RH16B

M3575RH16BF 16 6%

20% 12000 700

2400 16 45 B7

M3575RH24B

M3575RH24BF 24 6%

20% 18000 1000

3600 24 30 B10

M3575RH50G1F 50 20% 40000 8000 53 14 G1

M3575RH100G2F 100 20% 80000 16000 106 7G2

M3575RH150G3F 150 20% 120000 24000 159 5 G3

Enclosed Resistor Modules, Enclosed Transistor Modules

Table 3 shows the acceptable matches, by braking horsepower, between GV3000/SE Bookshelf drives and

Enclosed Resistor Braking kits. For actual sizing information, refer to “Selecting and Sizing Snubber Braing

Resistors” on page 18 of this manual.

Table 3 – Matching Enclosed Resistor Braking Kits with GV3000/SE Bookshelf Drives

GV3000/SE

Bookshelf Drive

Model Number

Can use snubber resistor kits rated at the following braking HP

Volts/Hertz Vector

31ER/31ET4060 1 HP to 3 HP 1 HP to 2 HP

38ER/38ET4060 1 HP to 4 HP 1 HP to 3 HP

55ER/55ET4060 1 HP to 4 HP 1 HP to 4 HP

85ER/85ET4060 1 HP to 6 HP 1 HP to 6 HP

126ER/126ET4060 1 HP to 9 HP 1 HP to 6 HP

150ER/150ET4060 1 HP to 9 HP 1 HP to 8 HP

240ER/240ET4060 1 HP to 11 HP 1 HP to 11 HP

300ER/300ET4060 1 HP to 16 HP 1 HP to 16 HP

430ER/430ET4060 1 HP to 24 HP 1 HP to 24 HP

Enclosed Resistor Modules, Enclosed Transistor Modules

Enclosure

Type

Dimension in mm (in)

A BCDEFGH

M3 323,8

(12.75) 76,2

(3.0) 95,6

(7.70) n/a 304,8

(12.0) 266,7

(10.5) 28,7

(1.13) 221

(8.7)

M4 323,8

(12.75) 101,6

(4.0) 95,6

(7.70) 44,5

(1.75) 304,8

(12.0) 266,7

(10.5) 28,7

(1.13) 221

(8.7)

M7 323,8

(12.75) 177,8

(7.0) 95,6

(7.70) 127

(5.0) 304,8

(12.0) 266,7

(10.5) 28,7

(1.13) 221

(8.7)

M10 323,8

(12.75) 254

(10.0) 95,6

(7.70) 203,2

(8.0) 304,8

(12.0) 266,7

(10.5) 28,7

(1.13) 221

(8.7)

B4 450,8

(17.75) 101,6

(4.0) 95,6

(7.70) 44,5

(1.75) 425,5

(16.75) 381

(15.0) 35,1

(1.38) 221

(8.7)

B7 450,8

(17.75) 177,8

(7.0) 95,6

(7.70) 127

(5.0) 425,5

(16.75) 381

(15.0) 35,1

(1.38) 233,7

(9.2)

B10 450,8

(17.75) 254

(10.0) 95,6

(7.7) 203,2

(8.0) 425,5

(16.75) 381

(15.0) 35,1

(1.38) 246,4

(9.7)

Figure 2 – Resistor Braking Kit Enclosure Dimensions

1.00 B

.28 .28

.75

Sized for 1/4” Bolts or Studs

Terminal Strip

Enclosed Resistor Modules, Enclosed Transistor Modules

Figure 3 – Resistor Braking Kit Enclosure Dimensions (Floor-Mount Models)

Front View Side View

0.56"

29"

2.0"

3.5"

18"

4.25"

2.5"

2.0"

0.56"

21.88"

14.75"

1.63"

Foot Print

.56" X 1.0"

(4 Places)

31"

40"

49"

Chassis Dim.A Dim.B

56.75"

47.75"

38.75"

Dimensions

Field Connection

Terminals Are

Located Behind

Filter Screen

22"

25"

1.0" 47.75"

Enclosed Resistor Modules, Enclosed Transistor Modules

Installing the Enclosed Resistor Braking Kit

Choose the installation site for the Enclosed Resistor Braking Unit with the following considerations in mind:

•The unit must be mounted in a clean, dry environment. The maximum ambient air temperature should not

exceed 40° C (104° F).

•The mounting surface must be non-flammable, as the unit may generate high temperatures during operation.

•The unit requires a minimum clearance of (2 inches) in all directions.

Use the following procedure to install Braking Units housed in NEMA 1 enclosures.

Step 1. Disconnect, lock out, and tag input power to the drive. Wait five minutes for the DC bus capacitors to

discharge.

Step 2. Verify that there is no voltage at the drive’s input power terminals.

Step 3. Measure the drive’s DC bus potential with a voltmeter to ensure that the DC bus capacitors have fully

discharged as described in the drive’s instruction manual.

Step 4. Select a location for the Braking Unit within 8 feet of the drive where the heat generated by the

snubber resistors will not affect surrounding components. Do not mount the Braking Unit under the

drive or where convective air flow is restricted.

Step 5. Mount the Braking Unit vertically with the fan at the bottom. Mounting hardware is not provided. See

figure 2 or 3 for mounting dimensions.

Step 6. Install the wiring between the drive and the Braking Unit. See figures 4, 5, and 8. Use wire that is

rated at a minimum of 300 volts for 230 VAC Braking Units and 600 volts for 460 VAC Braking Units.

Step 7. Reapply input power to the drive. Refer to the drive’s instruction manual for complete start-up

information.

!ATTENTION:Equipment is at line voltage when AC power is connected to the drive. The drive’s

DC bus capacitors retain hazardous voltages after input power has been disconnected. After

disconnecting input power, wait five (5) minutes for the DC bus capacitors to discharge and then

check the DC bus voltage with a voltmeter to ensure the DC bus capacitors are discharged

beforetouchinganyinternalcomponents.Failuretoobservethisprecautioncouldresultinsevere

bodily injury or loss of life.

ATTENTION:The user is responsible for conforming with all applicable local, national, and

international codes. Failure to observe this precaution could result in damage to, or destruction

of, the equipment.

!ATTENTION:It is important to use wire rated at 300 volts for 230 VAC Braking Units (600 volts

for460VACBrakingUnits)orgreaterbecausethiswiringmaycomeintocontactwithuninsulated

230 VAC (or 460 VAC) components. Failure to observe this precaution could result in damage

to, or destruction of, the equipment.

Enclosed Resistor Modules, Enclosed Transistor Modules

Braking Resistor Unit Field Connection Notes

Observe the following precautions when making field connections:

•Do not connect the Braking Resistor Unit directly across the DC bus. This would exceed the maximum

duty cyle rating of the load. The extreme overheating generated by the load resistors under this condition

could present a fire hazard in and around the resistive load module.

•Be sure the Braking Resistor Unit being connected meets the minimum load resistance requirements listed

in table 1 or table 2.

•Field connection terminals used on the bookshelf style and standard enclosed style Braking Resistor units

will accept a 10 AWG maximum wire size. Wires should be stripped 0.25”. Crimp-style terminations are not

recommended.

•Wire types and sizes should be chosen in accordance with local, national, and/or international electrical

codes as well as module termination limitations to meet the voltage and current levels present for the

application.

!ATTENTION: Only qualified personnel familiar with the construction and operation of this

equipment and the hazards involved should install or service this equipment. The user is

responsible for conforming with all applicable local, national, and international codes. Failure to

observe these precautions could result in personal injury and/or damage to, or destruction of,

the equipment.

Figure 4 – Wall-Mounted Braking Resistor Unit Field Connections

Ground

3 Line

Ground

Motor and Drive

M3575R Braking Resistor Unit Field Connections

NOTES

115 VA

Temp alarm opens upon a fault and is rated at 0.5 amps (115 VAC).

18 AWG

To Braking

Module

SeeNote1

For Drives With Internal Braking Transistor (such as GV3000/SEBookshelf drives)

+ Brake Out

- Brake Out

SeeNote2

Refer to drive instruction manual for drive connections.

FAN

(OPTIONAL)

115VAC 115VAC

ALARM

TEMP

RES RES

123456

M3575R

(-)

(+) 47

Enclosed Resistor Modules, Enclosed Transistor Modules

Figure 5 – Floor-Standing Grid Resistor Unit Field Connections

123 546

JUMPER

HOT OVERTEMP115 VAC

Resistive Load Connections

#8 Screw Terminals

1/2" Coarse Threaded Studs

ALARMOUTPUT

Typical Resistive Load

SeeTerminal StripDetail

FAN

FanPower

OverTemp

FaultSwitch

TempSwitch.

(DO NOT REMOVE)

NEUT

115 VAC

Fan Power / AlarmConnections

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