Document reference MAODS301/E
USER MANUAL
Edition 4 - May 2022
SpeedSys300 ODS301 overspeed detection system
7 - 5
General precautions
ELECTRICAL CONNECTIONS
7 ELECTRICAL CONNECTIONS
7.1 General precautions
7.2 General wiring diagrams with a TQ9xx-based proximity measurement
chain as the input
NOTE:
Information on connecting equipment to the electronic monitoring system can be
found in the project-specific wiring diagram delivered with a system.
For use in potentially explosive atmospheres, the SpeedSys300 ODS301 module has a
certification that allows installation outside of Ex Zones (hazardous areas), that is, it is an
“[Ex ia]” associated apparatus.
Additional information is given in the wiring diagrams listed in
I
N
ORDINARY
APPLICATIONS
(
NON
-
EXPLOSIVE
ATMOSPHERES
),
NO
CERTIFICATIONS
ARE
REQUIRED
FOR
THE
USE
OF
A
S
PEED
S
YS
300 ODS301
OVERSPEED
DETECTION
SYSTEM
(ODS).
H
OWEVER
,
IN
POTENTIALLY
EXPLOSIVE
ATMOSPHERES
(E
X
Z
ONES
),
CERTIFICATIONS
ARE
REQUIRED
FOR
THE
USE
OF
THESE
SYSTEMS
(
AND
THEIR
MEASUREMENT
CHAIN
INPUTS
). T
HE
ACTUAL
CERTIFICATION
REQUIRED
FOR
EACH
PRODUCT
IN
THE
COMPLETE
SYSTEM
DEPENDS
ON
THE
ATEX/IECE
X
Z
ONE
IN
WHICH
THE
PRODUCT
IS
INSTALLED
.
F
OR
EXAMPLE
,
THE
WIRING
DIAGRAMS
(
AND
IN
THIS
SECTION
ILLUSTRATE
A
TYPICAL
S
PEED
S
YS
300 ODS301
OVERSPEED
DETECTION
SYSTEM
(ODS)
USING
A
TQ9
XX
-
BASED
PROXIMITY
MEASUREMENT
CHAIN
AS
THE
INPUT
.
T
HE
“R
EQUESTED
CERTIFICATIONS
FOR
EXPLOSIVE
ZONES
(ATEX/IECE
X
)”
TABLE
INCLUDED
IN
THE
WIRING
DIAGRAM
)
OUTLINES
THE
CERTIFICATIONS
REQUIRED
FOR
EACH
PRODUCT
IN
THE
SYSTEM
(
AND
MEASUREMENT
CHAIN
)
ACCORDING
TO
THE
ATEX/IECE
X
Z
ONE
IN
WHICH
IT
IS
INSTALLED
. T
HAT
IS
,
THE
TABLES
SPECIFY
THE
CERTIFICATION
REQUIRED
FOR
A
PRODUCT
FROM
AN
AREA
OF
THE
WIRING
DIAGRAM
(A
REA
A
OR
A
REA
B)
WHEN
THAT
AREA
OF
THE
WIRING
DIAGRAM
CORRESPONDS
TO
THE
DIFFERENT
ATEX/IECE
X
Z
ONES
IN
WHICH
THE
PRODUCT
CAN
BE
INSTALLED
.
T
HE
LENGTHS
OF
ALL
CABLES
(
INTEGRAL
CABLES
AND
/
OR
CABLE
ASSEMBLIES
)
INSTALLED
IN
POTENTIALLY
EXPLOSIVE
ATMOSPHERES
USING
PROTECTION
MODE
“E
X I
”
ONLY
MUST BE DETERMINED
AS
PER
THE
CONDITIONS
AND
LIMITATIONS
SPECIFIED
IN
THE
E
X CERTIFICATES
FOR
THE
PRODUCT
,
WHICH
ARE
SUMMARISED
IN
F
OR
FURTHER
INFORMATION
,
SEE
Содержание vibro-meter SpeedSys300 ODS301
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