Rockwell-automation 8510 AC Spindle Drive System User Manual Uživatelský manuál stáhnout pdf (Strana 51)

Drive Installation

Chapter 5

5-47

Panel Mounting

Panel mounting allows the entire drive to be mounted inside an enclosure

without extending the heat sink through the enclosure wall. The drive is

mounted inside the enclosure using the panel mounting brackets (Cat. No.

8510SA-Mxxx) that can be supplied as an accessory. Care must be taken to

provide the required clearances at the top and bottom of the drive to assure

that the airflow across the heat sink is not obstructed. Mounting dimensions

can be found in Chapter 3.

ATTENTION: The drive is designed to provide its rated

continuous output when the heat sinks are in a 40

° C (104° F)

ambient temperature. To obtain the rated continuous output of

the drive amplifier, the temperature of the air entering the heat

sink must be maintained at 40

° C (104° F) or less. If the

temperature of the air entering the heat sink exceeds 40

° C

(104

° F), the drive amplifier must be derated in accordance with

the curve shown in Figure 5.3.

Figure 5.3

Percent Rated Load vs. Ambient Temperature Over Heat Sinks

Percent Rated Load

Ambient Temperature (Degrees C.)

100

110

30 35 40 45 50 55 60

1 2 ... 46 47 48 49 50 51 52 53 54 55 56 ... 153 154

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Rockwell-automation 8510 AC Spindle Drive System User Manual Uživatelský manuál Strana 51