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es:
1.TH
E IN
TRIN
SIC
SA
FETY
EN
TITY
CO
NC
EP
T A
LLO
US
TH
E
INTE
RC
ON
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STI
ON
OF
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FM
AN
D/O
R C
SA
AP
PR
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IN
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AFE
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VIC
ES
WIT
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PE
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OM
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;
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i + C
cabl
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a O
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i.
2.D
US
T-TI
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ED
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ED
IN
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NV
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.
3.C
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AN
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V
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4.IN
STA
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OR
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. AN
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WIT
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S 5
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E
CA
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(C22
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2).
5.TH
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ON
FIG
UR
ATI
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OF
AS
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AP
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6.A
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7.TH
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M:
HA
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Cla
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roup
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N 31 32 33 42 51 81 82
Third
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Ass
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Appa
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MS2
Inst
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diag
ram
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2000
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MD
M-1
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0281
34 41 52L
2-1+ 9897
max
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PO
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UP
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Non
IS
SIG
NA
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ATA
IN
PU
T/O
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IS
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1 O
F 2
Wereserveall rightsforthisdocument. Withoutourpreviousagreementthisdocumentmaynotbereproducedormadeavailableto thirdpartiesorutilizedin anyothermanner. Violationswill besubjectto penaltiesand maybepunishablebylaw.
02
15.0
8.07
8
691
IBB
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Wereserveall rightsforthisdocument. Withoutourpreviousagreementthisdocumentmaynotbereproducedormadeavailableto thirdpartiesorutilizedin anyothermanner. Violationswill besubjectto penaltiesand maybepunishablebylaw.
0,17
2,4
2,4
115
3015
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PA
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2 O
F 2
02
15.0
8.07
8
691
IBB
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©ABB AG -2-MDM-10-A0291, Rev.017-Apr-09N
otes
:
1.C
ON
TRO
L E
QU
IPM
EN
T C
ON
NE
CTE
D T
O T
HE
A
SS
OC
IATE
D A
PP
AR
ATU
S M
US
T N
OT
US
E O
R
GE
NE
RA
TE M
OR
E T
HA
N 2
50 V
rms
OR
Vdc
WIT
H
RE
SP
EC
T TO
EA
RTH
.
2.IN
STA
LLA
TIO
N F
OR
U.S
. AN
D C
AN
AD
IAN
A
PP
RO
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D E
QU
IPM
EN
T S
HO
ULD
BE
IN
AC
CO
RD
AN
CE
WIT
H A
NS
I/IS
A 8
2.02
.1-1
999
SA
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STA
ND
AR
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ME
AS
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ND
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LATE
D E
QU
IPM
EN
T-G
EN
ER
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RE
QU
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ME
NTS
-
3.TH
E C
ON
FIG
UR
ATI
ON
AS
SO
CIA
TED
A
PP
AR
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S M
US
T B
E F
M A
ND
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CS
A
AP
PR
OV
ED
UN
DE
R E
NTI
TY C
ON
CE
PT.
4.A
SS
OC
IATE
D A
PP
AR
ATU
S M
AN
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CTU
RE
R‘S
IN
STA
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T B
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W
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N IN
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HIS
EQ
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ME
NT
THIS
IS A
CER
TIFI
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DR
AWIN
G R
EVIS
ION
S O
NLY
W
ITH
APP
RO
VAL
OF
THE
NO
TIFI
ED B
OD
Y
Doc
umen
tNo.
:M
DM
-10-
A02
91 R
ev.0
1Pa
ge 2
/3
©ABB AG -1-MDM-10-A0291, Rev.017-Apr-09
THIS
IS A
CER
TIFI
ED
DR
AWIN
G R
EVIS
ION
S O
NLY
W
ITH
APP
RO
VAL
OF
THE
NO
TIFI
ED B
OD
Y
Doc
umen
tNo.
:M
DM
-10-
A02
91 R
ev.0
1Pa
ge 3
/3
170
00
7000
500
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Cur
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inal
97/
98
Li
[nH
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52
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82
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Out
put
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I MAX
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N
IH
ART
Com
mun
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3
Dok.Nr./Doc.no. Änd./Rev. Seite/Page
Automation Products GmbH
- Werk Göttingen - MDM-50-A0292 01 1 / (2)
Temperature Class and surface temperature
Fieldhousing ME21: The maximum temperature of the fieldhousing by an ambient temperature of -40…+60°C is less than +80°C, so the Temperature Class of the fieldhousing is T6. The surface temperature is T115°C.
Primary MC2_compact and ME2_remote_: The maximum temperature of the primaries by an ambient temperature of -40 …+60°C for Zone1 / DIV1 and Zone2 / DIV2 are shown in following table.
. The surface temperature for Zone1 / DIV1 is depending on the fluid temperature.
T surface = T 115°C.... T(fluid) Model MC2_ T surface = T 115°C Model ME2_ (limited by temperature fuse on power supply board)
This is also valid for insulated tubes or tubes with external heatings even if the heating temperature is ≤ fluid temperature.
The thermal insulation of the tube and the flowmeter can be made if necessary by the customer. The insulation may take place up to the 100mm around the primary housing. The technical data are not changed thereby.
Dok.Nr./Doc.no. Änd./Rev. Seite/Page
Automation Products GmbH
- Werk Göttingen - MDM-50-A0292 01 1 / (2)
Primary MS2_: The maximum temperature of the primaries by an ambient temperature of -20 …+50°C for Zone1 / DIV1 and Zone2 / DIV2 is shown in following tables. Zone 1/ DIV1: The over-temperature of PT-1000 on meter single-tube is ≤ 70°C. That has an influence on the temperature classes. Acc. IEC60079-11 it is possible to increase the maximum surface temperature for small components. With this possibility the correlation between ambient-, fluid temperature and temperature class against the existing UL-approval is given to: T6: = left, because: the over-temperature is higher than the existing UL-Approval T5: = unchanged 80°C, because:
at T5 for small components <10cm² the maximum surface temperature could be 150°C. So 150°C maximum – 70°C over-temperature PT1000= 80°C fluid.
T4: = 125°C, because:
at T4 for small components <10cm² the maximum surface temperature could be 200°C. Because of T4 maximum temperature is 135°C we decided 125°C (10°C buffer) for the fluid. This is with less influence of small components.
T3: = 180°C, because:
There is no logical reason why it should be possible to install the flowmeter in T4 areas but not in T3, even if IEC60079-11 does not note something about small components for T3. So we use the same maximum as in the existing UL-Approval.
Model MS2_ : Temperature Class vs. Ambient and Fluid Temperature
Ambient Temperature
Model
Size DN
Temperature
Class -20°C … +50°C
T3 180°C
T4 125°C
T5 80°C
Primary MS2_ Zone1/ DIV1
DN1,5 DN3 DN6
T6 --- The surface temperature for Zone1 / DIV1 is depending on the fluid temperature.
T surface = T 115°C.... T(fluid) Model MS2_
T surface = T 115°C Model ME2_ (limited by temperature fuse on power supply board)