EXPLOSION HAZARD - SUBSTITUTION OF COMPONENTS MAY IMPAIR
SUITABILITY FOR CLASS I, DIVISION 2.
WHEN IN HAZARDOUS LOCATIONS, TURN OFF POWER BEFORE REPLACING
OR WIRING MODULES; AND
DO NOT CONNECT OR DISCONNECT EQUIPMENT UNLESS POWER HAS
BEEN SWITCHED OFF OR THE AREA IS KNOWN TO BE NONHAZARDOUS.
2.3.1 ATEX Zone 2
The modules must be mounted in an enclosure certified in accordance with EN60079-15 for use in
Zone 2, Group IIC and rated IP54. The enclosure shall only be able to be opened with the use of a tool.
2.3.2 ATEX & IECEx Marking
II 3 G Ex nA IIC T4 Gc, DEMKO 16 ATEX 1591X
Ex nA IIC T4 Gc, IECEx ULD 16.0022X
Ta: -20 °C to +60 °C
For Relay Modules:
II 3 G Ex nA nC IIC T4 Gc, DEMKO 16 ATEX 1591X
Ex nA nC IIC T4 Gc, IECEx ULD 16.0022X
Ta: -20 °C to +60 °C
2.4 Legal Notice
The RSTi-EP series products are CE-compliant in accordance with Directive 2014/30/EU (EMC
Directive) and Directive 2014/35/EU (Low Voltage Directive). They also meet the requirements of the
ATEX Directive 2014/34/EU.
2.5 Use of RSTi-EP Stations Above 2000m Sea Level
The RSTi-EP remote I/O system is able to operate in height >2000 m (6561.68 ft) above sea
level, with the following limitations:
There is a derating for ambient temperatures while the RSTi-EP Station is in operating
mode. Refer to the following derating table.
Example:
Height 3000 m (9842.52 ft): maximum operational temperature is 60° C (140 °F) x 0.88 = 52.8°C
(136.76 °F) at maximum 8A.
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