OPERATION AND INSTALLATION
RCI-4100 SYSTEM
MAN-1111 Rev H
©Copyright 2015 LSI-Robway Pty Ltd
Page 15
2.3.2.
Tension Cell Type
(Wired to Control Unit though an EEx ib Load Cell Isolating Barrier)
A tension plate-type load cell may be fitted at the hoist rope dead-end of the boom tip section to
sense the hoist line-pull. LSI-Robway tension cells can be supplied with standard “side plates” (or
“sister plates”) to provide extra protection against extreme twisting during crane operation.
Special fittings such as an “adapter plate assembly” may be required to fix the tension cell between
the boom lug (pad eye) and hoist rope wedge socket. This adapter plate assembly must be
specially-fabricated and supplied by the customer to suit the dimensions of the lug and socket at
the dead-end termination point. It should also provide for the existing wedge socket and pin to be
re-used. LSI-Robway also recommends that the adapter plate assembly be proof-load tested by a
certification body prior to installing it on the crane.
Alternatively, on request, LSI-Robway can supply the adapter plate assembly (proof-load tested
and certified) at extra cost. Dimensional details of the lug, wedge socket and pin will also be
required by LSI-Robway at the time of ordering.
This is an intrinsically safe circuit so “blue sheathed” cable supplied by LSI-Robway is required.
Figure 2 - Tension cell with LSI-Robway-manufactured adapter plate assembly and typical installation on
hoist rope dead-end
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