2
INM9468-2
May 2010
2
DesCRIPtIoN
The 9468-ET 10/100Mbps Ethernet Isolator allows the interconnection of a Zone 2 or un-certified
Safe Area device to the Intrinsically Safe 9400 series of Ethernet networking products, operating
in the Hazardous Area.
The isolator provides a compact alternative solution to fibre optic cable and media converters and
for when it is desirable to use Cat5e cables in preference to fibre.
The module requires a single supply from the Safe Area of 20…30Vdc at approx 220mA.
3. INstALLAtIoN
WARNING:
This equipment must be installed, operated and maintained only be trained competent
personnel and in accordance with all appropriate international, national and local standard codes
of practice and site regulation for intrinsically safe apparatus and in accordance with the instructions
contained here.
See also Sections 7, 8 & 9 for approvals and important conditions of safe use.
3.1 Protection
The module requires mounting within an enclosure providing a degree of protection of at least IP6x,
in accordance with EN60529 and in a manner that does not impair the existing creepage and
clearance distances. The enclosure must also comply with the requirements of Clauses 7 and 8 of
EN50014 and be sealed to prevent the ingress of dust.
3.2 Mechanical mounting
3.2.1 DIN rail mounting
The module will ‘snap-fit’ onto standard DIN rail (TS35) to EN 50022. Height off rail - including any
connectors but excluding cables = 106mm.
Tilt the module to engage the top DIN rail clips then rotate down and press to the DIN rail until the
lower spring clip is properly engaged.
3.2.2 Flat panel mounting
The module has two fixing holes to enable it to be mounted with two M3.5 screws. Use the following
dimension diagram to establish the hole positions. Depth - including connectors but excluding
cables = 111mm.
