Rm-materials-handling VARIABLE SPEED CONTROLS ControlMaster Plus Service Manual do Utilizador descarregar pdf (Página 13)

R&M Materials Handling, Inc.

4501 Gateway Boulevard

Springfield, Ohio 45502

P.: (937) 328-5100

FAX: (937) 325

5319

13/83

R&M Materials Handling, Inc. reserves the right to alter or amend the above information without notice.

1 INSTALLATION

1.9 Cubicles

Inverter is delivered with external braking resistor. Braking resistor types D2FR are installed in the same cubicle as the

inverter itself. Braking resistor D2HR04F90R0S4 for 002 –005 is in own cubicle.

Power class Standard cubicle Cubicle size (mm) Braking resistor (mm)

002 - 005 EEO25.604 400 x 600 400 x 400

007 – 015 CC600E 600 x 1000 Included

018 – 030 KA220D2 1000 x 1000 Included

037, 045 1½ x KA220D2 1½ x 1000 x 1000 Included

055 1½ x H15BD02 1½ x 1500 x 1000 Included

1.10 Braking resistor

Inverter is delivered with external braking resistor. Braking resistor types D2FR are equipped with cooling fans and

thermistors. Circuit diagrams are in appendix.

Power class Resistance (ohm) Type

002 - 005 90 D2HR04F90R0S4

007 64 D2FR06F64R0S2

011, 015 45 D2FR12F45R2S2

018, 022 21 D2FR18F21R3S2

030 16 D2FR24F16R4S2

037, 045 11 2 x D2RF18F21R3S2

055 8 2 x D2FR24F16R4S2

In case of 2 resistor units, power supply to transformers has to be taken from the same phases.

1.11 Power cabling

1.11.1 Shielded motor cable

In crane application inverter fulfils EN61800-3/A11 (IEC 1800-3) second environment radiated emission requirements

without shielded motor cable.

In the second environment, shielded motor cable is recommended to use in fixed installations, especially in buildings.

However motor cables in crane and festoon power supplies are normally not shielded due to the practical reasons.

1.11.2 Double collectors

If the power is supplied to the crane via conductor rails, double collectors are needed. This ensures a reliable contact with

the rail in all circumstances. Short interruptions and sparks between the conductor rail and the collector may cause

nuisance tripping, other undesired operations and in worst case even permanent damage to components.

1.11.3 Cable selection

Cabling for inverter can be done using normal crane cables. All the cables must be dimensioned according to local

regulations. Ambient temperature, cabling method (size of bunches etc.) and allowable current for the cable in use must

be taken into consideration. If there are no other regulations, following values can be used (three phase 400V supply).

The table below is based on ED ≤ 60% and ambient temperature +40°C (104°F). A highe r ambient temperature may

require increased cable sizes. The input current does not exceed the continuous current (Icont) of inverter, so it is

selected to be the dimensioning current. If the actual load current is below inverter continuous current, then the fuses and

the supply cable may be dimensioned according to the load current.

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