Kobold DPT Series User manual

Operating Instructions
for
Torsion Paddle
Flow
Meter / Monitor
Model: DPT-...

DPT
page 2 DPT K05/0323
We don’t accept warranty and liability claims neither upon this publication nor in
case of improper treatment of the described products.
The document may contain technical inaccuracies and typographical errors. The
content will be revised on a regular basis. These changes will be implemented in
later versions. The described products can be improved and changed at any time
without prior notice.
© Copyright
All rights reserved.
1. Contents
1.Contents ........................................................................................................ 2
2.Note .............................................................................................................. 4
3.Instrument Inspection .................................................................................... 4
4.Regulation Use ............................................................................................. 5
5.Operating Principle ........................................................................................ 5
6.Mechanical Connection ................................................................................. 6
6.1Check Service Conditions: ................................................................... 6
6.2Installation ............................................................................................ 6
7.Electrical Connection .................................................................................... 7
7.1General ................................................................................................ 7
7.2Compact Electronics: (..C30R, ..C30M) ................................................ 7
7.3Compact Electronics: (..C34P, ..C34N) ................................................ 7
7.4ADI-Evaluation Electronic ..................................................................... 8
8.Commissioning.............................................................................................. 9
8.1Setting Compact Electronics ................................................................ 9
8.2Setting ADI Evaluation Electronic ....................................................... 16
9.Maintenance ............................................................................................... 16
10.Technical Information .................................................................................. 16
11.Order Codes ............................................................................................... 17
12.Dimensions ................................................................................................. 17
13.Disposal ...................................................................................................... 18
14.EU Declaration of Conformance ................................................................. 19

DPT
DPT K05/0323 page 3
Manufactured and sold by:
Kobold Messring GmbH
Nordring 22-24
D-65719 Hofheim
Tel.: [phone]
Fax: [phone]
E-Mail: [email protected]
Internet: www.kobold.com

DPT
page 4 DPT K05/0323
2. Note
Please read these operating instructions before unpacking and putting the unit into
operation. Follow the instructions precisely as described herein.
The instruction manuals on our website www.kobold.com are always for currently
manufactured version of our products. Due to technical changes, the instruction
manuals available online may not always correspond to the product version you
have purchased. If you need an instruction manual that corresponds to the
purchased product version, you can request it from us free of charge by email
([email protected]) in PDF format, specifying the relevant invoice number and
serial number. If you wish, the operating instructions can also be sent to you by
post in paper form against an applicable postage fee.
Operating instructions, data sheet, approvals and further information via the QR
code on the device or via www.kobold.com
The devices are only to be used, maintained and serviced by persons familiar with
these operating instructions and in accordance with local regulations applying to
Health & Safety and prevention of accidents.
When used in machines, the measuring unit should be used only when the
machines fulfil the EC machinery directive.
as per PED 2014/68/EU
In acc with Article 4 Paragraph (3), "Sound Engineering Practice",
of the PED 2014/68/EU no CE mark.
Diagram 6
Pipe, gas
Group 1 dangerous
fluids
DPT, 3/8" - 1" Art. 4, § 3
DTP, 1 1/2" – 3” Cat. II
3. Instrument Inspection
Instruments are inspected before shipping and sent out in perfect condition.
Should damage to a device be visible, we recommend a thorough inspection of the
delivery packaging. In case of damage, please inform your parcel service /
forwarding agent immediately, since they are responsible for damages during
transit.
Scope of delivery:
The standard delivery includes:
 Torsion Paddle Flow Meter model: DPT

DPT
DPT K05/0323 page 5
4. Regulation Use
Any use of the device, which exceeds the manufacturer’s specification, may
invalidate its warranty. Therefore, any resulting damage is not the responsibility of
the manufacturer. The user assumes all risk for such usage.
5. Operating Principle
to the diaphragm plate principle. A flat torsion spring acts simultaneously as
a mount for the paddle and as an elastic force. The device thus operates with
almost no wear.
The paddle comprises a diaphragm plate (1) and a lever arm (2).
When the diaphragm plate is moved by the flow in the flow direction, the
lever arm is deflected by the force of the leaf spring.
This angular motion is transferred non-contacting through the casing wall by a
magnet (3) to a Hall-effect sensor (4) with no losses. Different measuring ranges
and instrument sizes are realised with the geometry of the lever arm, the diameter
and shape of the diaphragm plate as well as the height and thickness of the leaf
spring. Calibration nozzles (5) can also be press-fitted to adapt to the measuring
ranges. The signal from the Hall-effect sensor is displayed by different electronic
means and serves to monitor the volume flow.

DPT
page 6 DPT K05/0323
6. Mechanical Connection
6.1 Check Service Conditions:
 Flow quantity
 Max. operating pressure
 Max. operating temperature
 Medium
 Mounting position
6.2 Installation
 Flow in direction of arrow (horizontal)
 Avoid pressure and tensile loads
Mechanically fix inlet and outlet lines at distances of 50 mm from the
connections
 Check connections for leakage
 Pay attention to the inlet and outflow zone (see drawing below)

DPT
DPT K05/0323 page 7
7. Electrical Connection
7.1 General
Attention! Make sure that the voltage values of your system
correspond with the voltage values of the Flow Meter.
 Make sure that the supply wires are de-energised.
 Connect the supply voltage and the output signals to the plug
connector PINs as shown below.
 We recommend the use of wires with cross sectional area of min. 0,25
mm²
Attention! Incorrect wiring will lead to damage of the unit’s
electronics.
7.2 Compact Electronics: (..C30R, ..C30M)
7.3 Compact Electronics: (..C34P, ..C34N)

DPT
page 8 DPT K05/0323
7.4 ADI-Evaluation Electronic
To avoid damaging the device during electrical connection, the electrician should
take suitable precautions against electrostatic discharge (e.s.d.).
The supply voltage for the indicating unit and the optional switching outputs are
connected to terminal block 1 according to the wiring diagram below (KB1).
or
Sensor signal and the pickup supply can be connected to terminal block 2
(KB2).
The electrical connection of the device to the sensor should
not be
changed.

DPT
DPT K05/0323 page 9
8. Commissioning
8.1 Setting Compact Electronics
8.1.1 Programming
Connect the compact electronics according to the previous wiring
diagram and apply the specified voltage.
The measuring range (upper range value) is displayed for 3
seconds after switch-on.
8.1.2 Key Function
Standard mode (measuring mode)
Set-up mode
8.1.3 Settings
The following values can be changed in the compact electronics:
Scale range Factory setting
Switchin
g
p
oint
(
SPo
,
SP1
,
SP2
)
0 - 999 0.00
Hysteresis (HYS) -199 - 0 -0.00
Window point (duo) Switching point ...999 --- (de-activated)
Filter (Filt) 1/2/4/8/16/32/64 1
Contact type (Con, Co1, Co2) N/O contact (no), N/C (nc)
or frequency (Fr)
no (N/O contact)
Start current (S-C)* 000 - 999 000
End current (E-C)* 000 - 999 Upper range value
Start current selection (SCS)0-- (0 mA), 4-- (4 mA) 4 mA
Change code (CCo) 000 - 999 000
* Lower and upper range values of the flow rate are based on 0/4-20 mA.
: pressin
g
3 sec. set-up mode
: switchpoint/window point
: Next level
: Set value
A
nytime:
3 sec
or 20 sec
no ke
y
p
ressin
g
Standard mode

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page 10 DPT K05/0323
8.1.4 Value Setting
You can select value setting in the main menu item (for example: Switching
point, "SPo") by pressing the "" key. The structure shown below
illustrates the universal routine for changing individual parameters.
1. Digit setting
2. Digit setting
3. Digit setting
Decimal point
setting
Chosen value
storing or new
setting
from the main menu item
to the next main menu item
Storin
g