Application Planning; Load Cell Dummies; Lifting Protection; Figure 4-1 Proposed Solution For Lifting Protection - Siemens SIWAREX WL280 Operating Instructions Manual

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Application planning

4.1

Principle of operation

Load cells are sensitive sensors. To protect the load cells from becoming damaged during

installation and transport, the load cells should only be installed at the last minute. During

installation and transport, the load cells should therefore be replaced by space holders, so-

called dummies or phantoms.

Dummies might be designed as follows:

● A copy of the installation unit by means of a welded construction for installation work

● Use of a SIWAREX WL280 compact installation unit

A copy of the installation unit by means of a welded construction

A piece of pipe or some other steel profile is welded between two plates with the hole pattern

for the fixing screws. Installation work can be carried out with the welded construction.

Use of a SIWAREX WL280 compact installation unit

The compact installation units are delivered pre-assembled. Compact installation units are

set to the installation height of the operational unit. With compact installation units, light

installation work can be carried out.

4.2

The following figure shows a proposed solution for lifting protection. The X designates the

possible lifting path of the load bearing implement. The bore ØD must be larger than the

diameter of the bolt Ød. The movement of the load bearing implement must not be hindered.

Figure 4-1

RN-S SA

Operating Instructions, 09/2013, A5E32962759A-01

Proposed solution for lifting protection

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