Endress+Hauser Flowphant T DTT31 User manual
BA235R/09/en/13.10
71098494
Release
01.00
Operating Instructions
Flowphant®T DTT31, DTT35
Flow Switch
Endress+Hauser 3
DTT31, DTT35
Table of contents
1 Safety instructions . . . . . . . . . . 4
1. 1 Designated use . . . . . . . . . . . . . . . . . . . . . 4
1. 2 Installation, commissioning and operation . 4
1. 3 Operational safety . . . . . . . . . . . . . . . . . . . 4
1. 4 Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2 Device identification. . . . . . . . . 5
2. 1 Nameplate . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2 Certificates and approvals . . . . . . . . . . . . . 5
3 Installation . . . . . . . . . . . . . . . . 6
3. 1 Incoming acceptance, storage . . . . . . . . . . 6
3. 2 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . 6
3. 3 Process connection . . . . . . . . . . . . . . . . . . 7
3. 4 Installation instructions . . . . . . . . . . . . . . . 9
4 Wiring. . . . . . . . . . . . . . . . . . . 11
4. 1 DC voltage version with
M12x1 connector . . . . . . . . . . . . . . . . . 11
4. 2 DC voltage version with valve connector . 12
5 Operation . . . . . . . . . . . . . . . . 12
5. 1 Onsite operation . . . . . . . . . . . . . . . . . . . 12
5. 2 Operation with PC and
configuration software . . . . . . . . . . . . . . . 24
6 Maintenance. . . . . . . . . . . . . . 25
7 Accessories. . . . . . . . . . . . . . . 25
7. 1 Welding bosses and coupling . . . . . . . . . 25
7. 2 Electrical connection . . . . . . . . . . . . . . . . 27
7. 3 Configuration kit . . . . . . . . . . . . . . . . . . . 28
7. 4 Configuration software . . . . . . . . . . . . . . 28
8 Troubleshooting . . . . . . . . . . . 29
8. 1 Error messages and warning messages . . . 29
8. 2 Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
8. 3 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . 30
8. 4 Change status (release) . . . . . . . . . . . . . . 31
8. 5 Software history . . . . . . . . . . . . . . . . . . . 31
9 Technical data . . . . . . . . . . . . .32
9. 1 Power supply . . . . . . . . . . . . . . . . . . . . . 32
9. 2 Output . . . . . . . . . . . . . . . . . . . . . . . . . . 32
9. 3 Operating conditions . . . . . . . . . . . . . . . . 33
Safety instructions DTT31, DTT35
4Endress+Hauser
1 Safety instructions
1. 1 Designated use
The Flowphant®T is a flow switch for monitoring mass flow rates in industrial processes. The
device is designed to meet state-of-the-art safety requirements and conforms to applicable stan-
dards and EC regulations. It can, however, be a source of danger if used incorrectly or for any-
thing other than the designated use.
1. 2 Installation, commissioning and operation
Installation, electrical connection, commissioning, operation and maintenance of the measuring
system must be carried out by trained, qualified specialists authorized to perform such work by
the facility's owner-operator. The specialist must have read and understood these Operating
Instructions and must follow the instructions they contain. The device may only be modified and
repair work carried out if this is explicitly permitted in the Operating Instructions. Damaged
devices which could be a source of danger may not be commissioned and must be labeled and
identified as defective.
1. 3 Operational safety
• Functional safety
The Flowphant®T flow switch has been developed in accordance with the IEC 61508 and
IEC 61511-1 (FDIS) standards. The device version with a PNP switch output and additional
analog output is equipped with features for detecting and preventing errors within the elec-
tronics and software.
•Ex-area
The Flowphant®T is not approved for use in Ex-areas.
1. 4 Return
The following procedures must be carried out before a device is returned to Endress+Hauser:
• Always enclose a fully completed “Declaration of Contamination” form with the device. Only
then can Endress+Hauser transport and examine a returned device. A copy of the “Declara-
tion of Contamination” can be found on the second last page of these Operating Instructions.
• Remove all fluid residues. This is particularly important if the fluid is hazardous to health, e.g.
flammable, toxic, caustic, carcinogenic, etc.
#Warning!
Do not return a device if you are not absolutely certain that all traces of hazardous substances
have been removed, e.g. substances which have penetrated crevices or diffused through plastic.
DTT31, DTT35 Device identification
Endress+Hauser 5
2 Device identification
2.1 Nameplate
To identify your device, compare the complete order code and the version information on the
delivery papers with the data on the nameplate.
a0006981
Fig. 1: Nameplate for device identification (as example)
!Note!
The release number indicates the change status of the device. A change in the last two figures
does not have any affect on the compatibility, Chap. 8.4.
2.2 Certificates and approvals
CE mark, declaration of conformity
On leaving the factory, the device was in perfect condition from the point of view of safety. It
complies with the standards EN 61010 -1 "Protection Measures for Electrical Equipment for
Measurement, Control, Regulation and Laboratory Procedures" and with the EMC requirements
of IEC/EN 61326. The device meets the legal requirements of the EU Directives. The manufac-
turer confirms a positive completion of all tests by fitting the unit with a CE mark.
Hygiene standard
The DTT35 flow switch meets the requirements of Sanitary Standard no. 74-03. Endress+Hau-
ser confirms this by applying the 3–A symbol (not valid for process connection conical
metal-metal).
m Order code r Connection diagram
n Serial number s Measuring range
o TAG number t Ambient temperature range
p Release number (change status) u Degree of protection
q Connection values v Approvals
Installation DTT31, DTT35
6Endress+Hauser
UL listed for Canada and USA
The device was examined by Underwriters Laboratories Inc. (UL) in accordance with the
standards UL 61010B-1 and CSA C22.2 No. 1010.1-92 and listed under the number E225237
UL.
3 Installation
3. 1 Incoming acceptance, storage
• Incoming acceptance:
Check the packaging and the device for damage. Check that the goods delivered are complete
and nothing is missing.
• Storage:
Storage temperature -40 °C to +85 °C (-40 °F to 185 °F).
3. 2 Dimensions
A0005279
Fig. 2: Dimensions in mm (inch)
Version L with 30 and 100 mm (1.18 and 3.94 in) for DTT31
Version L with 30, 50 and 100 mm (1.18, 1.97 and 3.94 in) for DTT35
M12x1 connector as per IEC 60947-5-2
M16x1.5 or NPT ½" valve connector as per DIN 43650A/ISO 4400
DTT31, DTT35 Installation
Endress+Hauser 7
3. 3 Process connection
3.3.1 DTT31 design, dimensions of the process connections
T09-TTR31xxx-17-xx-xx-en-000
Fig. 3: Process connection versions of DTT31
Item
no.
Version Insertion
length L
Thread length L1Thread length L2
A Without process connection. For suitable
welding boss and coupling see chapter
’accessories’.
30 or 100 mm
(1.18 or
3.94 in)
--
B Thread process connection:
• ANSI NPT ¼" (m= AF14)
• ANSI NPT ½" (m= AF27)
• 14.3 mm (0.56")
• 19 mm (0.75")
• 5.8 mm (0.23")
• 8.1 mm (0.32")
C Thread process connection cylindrical as
per ISO 228:
• G¼" (n= AF14)
• G½" (n= AF27)
• 12 mm (0.47")
• 14 mm (0.55")
-
Installation DTT31, DTT35
8Endress+Hauser
3.3.2 DTT35 design, dimensions of the process connections
a00011776
Fig. 4: Hygienic process connections. All dimensions in mm (inch)
L = Insertion length L
!Note!
The maximum process pressure for the conical metal-metal process connection (→Fig. 4,
item MB) is 16 bar!
Item no. Process connection versions DTT35
Insertion length L = 30, 50 or 100 mm (1.18, 1.97 or 3.94 in)
MB Conical metal-metal for hygienic processes, G½" thread, thread length L1 = 14 mm (0.55").
Suitable welding boss available as accessory.
DB Clamp 1"...1½" (ISO 2852) or DN 25...DN 40 (DIN 32676)
DL Clamp 2" (ISO 2852) or DN 50 (DIN 32676)
LB Varivent F DN25-32, PN 40
LL Varivent N DN40-162, PN 40
HL APV-Inline, DN50, PN40, 316L, B = bores 6 x Ø8.6 (0.34") + 2 x thread M8
PL DIN 11851, DN50, PN40 (including coupling nut)
PG DIN 11851, DN25, PN40 (including coupling nut)
PH DIN 11851, DN40, PN40 (including coupling nut)
DTT31, DTT35 Installation
Endress+Hauser 9
3. 4 Installation instructions
3.4.1 Installation conditions
!Note!
The sensor requires a fully developed flow profile for correct monitoring. For this reason,
steadying sections (5x DN) must be provided in the pipe after a pump, pipe bend, internal fittings
and cross-sectional changes.
"Caution!
Do not turn the device into the process connection thread at the housing. Always install the
device at the spanner flats (Fig. 5, item 1). Use a suitable open-ended wrench for this task (see
Table →Chap. 3.3.1).
• The onsite display can be rotated electronically 180°, →Chap. 5. 1 "Onsite operation".
• The upper housing section can be rotated mechanically up to 310°.
• The sensor tip should be completely surrounded by medium.
• Position the sensor tip in the area of maximum fluid velocity (pipe
center).
• Minimum sensor immersion length: Li ≥10 mm.
A0006976
Fig. 5: Installation conditions
Orientation
• For horizontal pipes: lateral installation.
!Note!
Installation from above(see Fig. 5) only if the pipe is completely
filled with medium during operation.
• For vertical pipes: installation in the ascending pipeline.
• Installation of DTT35 by min. 3° inclination, because of self
draining.
A0006977
Fig. 6: Correct orientation
Installation DTT31, DTT35
10 Endress+Hauser
3.4.2 Mounting instructions for installation in hygienic processes
a0011673-en
Fig. 8: Installation in hygienic processes
A Milk pipe connection as per DIN 11851 (connection PL, PG, PH), only in linkage with EHEDG
certified and self centering ring
B Varivent and APV-Inline (connection LB, LL, HL)
C Clamp as per ISO 2852 (connection DB, DL)
"Caution!
• Do not install in down pipes open towards the end.
• The sensor tip should never touch the pipe wall.
A0006978
Fig. 7: Incorrect installation!
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