SDY
18 The Interface Solution Experts
PC-Programmable Signal
Isolator/Converter with Display
Installation in
Hazardous Locations
This section contains important information regarding
installation of SDY in Hazardous Area Locations.
WARNING:
Substitution of components is not allowed, as it
may impair the intrinsic safety.
WARNING:
To prevent ignition of flammable or combustible
atmospheres, disconnect power before servicing.
WARNING:
Explosion Hazard. Do not disconnect equipment
when a flammable or combustible atmosphere is
present.
Maximum operating parameters of the “COM” port
for use in Non-Hazardous areas shall not exceed
3.0V, 300mA and 240mW.
Specific Conditions of Use
The following instructions must be adhered to
when the SDY is used in hazardous locations and
potentially explosive atmospheres.
cFMus Installations
Intrinsically Safe Applications
Class I, Division 1, Groups A-D
Class1, Zone 0, AEx ia IIC, Ex ia IIC
The SDY shall be installed in an enclosure which
maintains an ingress protection rating of at least
IP20 and also meets the requirements of ANSI/ISA
61010-1 or C22.2 No 1010-1.
The COM port shall not be used in Hazardous
areas.
Nonincendive, Type n Applications
Class I, Division 2, Groups A-D
Class1, Zone 2, AEx nA IIC, Ex nA IIC
When installed as Division 2 equipment, the SDY
shall be mounted within a tool-secured enclosure
which meets the requirements of ANSI/ISA 61010-
1or C22.2 No. 1010-1 and be capable of accepting
the applicable wiring method per the NEC or as
specified in the C22.1 Canadian Electrical Code,
Part I.
When installed as Zone 2 equipment, the SDY shall
be mounted within a tool-secured enclosure which
meets the requirements of ANSI/ISA 60079-0 or
CAN/CSA-E60079-0 and ANSI/ISA 60079-15 or
CAN/CSA 60079-15 and be capable of accepting
the applicable wiring methods per the NEC or as
specified in the C22.1 Canadian Electrical Code,
Part I. The enclosure shall, at a minimum, meet the
requirements of IP54.
On installation of Zone 2 equipment, the SDY
shall be provided with supply transient protection
external to the apparatus such that the voltage at
the supply terminals of the SDY does not exceed
58.8V peak or 58.8Vdc.
The COM port shall not be used in Hazardous
areas.
European Union Installations
(ATEX 2014/34/EU Directive)
Intrinsically Safe Applications - Zone 0
II 1 G Ex ia IIC
The SDY shall be installed in an enclosure which
maintains an ingress protection rating of at least
IP20.
The communications port shall be programmed
through Moore Industries Cable, Part No.
804-030-26, as described on Control Drawing
100-100-54.
The Cable cannot be used in Hazardous Areas or
in ambient temperatures in excess of 75° C.
Summary of Contents for SDY
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