Installation Position And Minimum Distances; Fig. 15 Installation Position And Minimum Distances - Beckhoff ELX1052 Operating Manual

Two, four and eight channel digital input terminals for namur sensors, ex i

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Mounting and wiring

3.4

Installation position and minimum distances

Installation position

For the prescribed installation position the mounting rail is installed horizontally and the mating surfaces of

the ELX terminals point toward the front (see illustration below). The terminals are ventilated from below,

which enables optimum cooling of the electronics through convection. The direction indication "down"

corresponds to the direction of positive acceleration due to gravity.

Minimum distances

Observe the following minimum distances to ensure optimum convection cooling:

• above and below the ELX terminals: 35 mm (required!)

• besides the bus terminal block: 20 mm (recommended)

Fig. 15: Installation position and minimum distances

Observe the minimum separation distances according to IEC 60079-14!

Observe the prescribed minimum separation distances between intrinsically safe and non-intrinsically safe

circuits according to IEC 60079-14.

WARNING

Version: 2.0.0

ELX1052, ELX1054 and ELX1058

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