SAFETY AND INSTALLATION INSTRUCTIONS
RCI-4100 DISPLAY AND ISOLATING BARRIER SYSTEM
MAN-1111 Rev H
©Copyright 2015 LSI-Robway Pty Ltd
Page 84
This installation manual must be read and used by qualified personnel during system design and installation
of the RCI-4100 Display and the Model 4120 Isolating Barrier.
Warning
The 4100 Display is a Group IIB Ex ib certified display which may be located in Zone 1 or Zone 2 of a
hazardous area.
The 4100 Display must be operated within environmental limitations and must only be connected to certified
intrinsic safety barriers meeting the Model 4100 input parameters.
The 4100 Display and the 4120 Display Barrier must only be installed by qualified personnel in accordance
with the relevant international installation standards. Particular care must be given to physical control and
clear identification of IS cabling.
The 4100 Display may be installed in a Hazardous Area only with proper protection from the weather.
The 4120 Display Barrier must not be connected to equipment that uses or generates more than 250 Vrms
with respect to earth ground.
The Model 4120 Barrier must be operated within environmental limitations.
The Model 4120 Barrier is an isolated Intrinsically Safe (IS) apparatus to be installed on a standard EN50022
T35 DIN rail located in a safe area / non-hazardous location.
The Model 4120 Barrier may be installed in a Hazardous Area ONLY if enclosed in an appropriately
approved and/or certified “explosion proof” housing conforming to applicable standards.
The 4100 Display and Display Barrier cannot be repaired by the end user thus any units exhibiting a failure
must be returned to the manufacturer or its authorized representative.
SAFETY ANALYSIS
In a system safety analysis, always check that the Hazardous Area / Hazardous location devices conform to
the relevant standards. The 4100 Display and Barrier system as supplied with its 10 metre cable conforms
to the specified product certification but there may be other relevant installation standards which must be
met.
Although longer interconnecting cable runs may function satisfactorily LSI-Robway does not warrant the
system working with a longer interconnecting cable than that supplied. In addition, if the interconnecting
cable is to be extended beyond what is supplied the capacitance and inductance values must not exceed the
limits given. If a longer cable run is desired please consult the factory.
4100 D Cable Parameters
Must be
Model 4120 Hazardous Area Isolating Barrier Group IIB
Load Parameters
Ci + C of cable
<
Co
(Li L cable) / (R cable)
<
Lo / R
L of cable
<
Lo
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