Lenze i700 Manual Bedienungsanleitung PDF herunterladen (Seite 69)

Mechanical installation

Dimensions

Mounting in "cold plate" technique



EDS700ACBA EN 4.0

5.3.4 Mounting in "cold plate" technique

The E70ACxSC

xxx4x... devices are designed for assembly on coolers (e.g. collective coolers)

in "cold−plate" technique.

Requirements for collective coolers

A good thermal connection to the cooler is important for the trouble−free operation of

the controller:

ƒ The contact area between the collective cooler and the controller

– must be at least as big as the cooling plate of the controller.

– must be smooth, the maximum deviation must not exceed 0.05 mm.

ƒ The controller has to be connected to the collective cooler with all required screwed

joints.

ƒ The thermal resistance R

must be observed, see table.

The values in the table apply to the operation of the controllers under rated

conditions.

The values already include the heat transmission between the cooler and the device

with a standard heat conducting paste at a film thickness of approx. 50 mm.

Power loss Thermal resistance T

max

Power loss

(control cabinet)

Type P

[W] R

[K/W] [°C] P

[W]

E70ACPSC0304x 45 £ 1.00 85 15

E70ACMSC0054xx1xxx 25 £ 1.80 85 25

E70ACMSC0104xx1xxx 50 £ 0.90 85 30

E70ACMSC0204xx1xxx 95 £ 0.45 85 35

E70ACMSC0054xx2xxx 50 £ 0.90 85 40

E70ACMSC0104xx2xxx 95 £ 0.45 85 55

E70ACPSC0604x 85 £ 0.35 70 25

E70ACMSC0324xx1xxx 140 £ 0.25 75 70

E70ACMSC0484xx1xxx 215 £ 0.16 75 85

E70ACMSC0644xx1xxx 290 £ 0.12 75 100

E70ACMSC0204xx2xxx 185 £ 0.20 75 75

E70ACMSC0324xx2xxx 275 £ 0.12 75 105

Tab. 5−1 Cold plate

separated power loss, to be dissipated via heatsink

Power loss remaining in the control cabinet

Ambient conditions

ƒ The rated data and the derating factors at increased temperature also apply to the

ambient temperature of the drive controllers.

 Note!

Apply standard heat−conducting paste or heat−conducting foil onto cooler and

cooling plate before you bolt the controller onto the cooler.

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