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krom schroeder DGS Operating Instructions Manual

Gas pressure sensor
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Gas pressure sensor DGs
Contents
1 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2 Checking the usage . . . . . . . . . . . . . . . . . . . . . 2
3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
4 Electrical connection. . . . . . . . . . . . . . . . . . . . . 3
5 User keys and display . . . . . . . . . . . . . . . . . . . 3
6 LED (colour/flash code) . . . . . . . . . . . . . . . . . . 4
7 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
8 Changing the password . . . . . . . . . . . . . . . . . . 5
9 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . 5
10 Tightness test . . . . . . . . . . . . . . . . . . . . . . . . . 6
11 Checking the function. . . . . . . . . . . . . . . . . . . 6
12 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . 6
13 Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . 7
15 Technical data . . . . . . . . . . . . . . . . . . . . . . . . 9
16 Designed lifetime . . . . . . . . . . . . . . . . . . . . . 10
EN 61508-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
18 Certification . . . . . . . . . . . . . . . . . . . . . . . . . 11
19 Parameter. . . . . . . . . . . . . . . . . . . . . . . . . . . 12
20 Logistics. . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
21 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
22 Pressure units . . . . . . . . . . . . . . . . . . . . . . . 14
oPeRAtInG InstRUCtIons
Cert. Version 01.24 · Edition 04.24 · EN · 03251643

1 sAFetY

1.1 Please read and keep in a safe place
Please read through these instructions
carefully before installing or operating. Following the
installation, pass the instructions on to the operator.
This unit must be installed and commissioned in
accordance with the regulations and standards in
force. These instructions can also be found at www.
docuthek.com.
1.2 explanation of symbols
1  , 2  , 3  , a  , b  , c  = Action
➔ = Instruction
1.3 Liability
We will not be held liable for damage resulting from
non-observance of the instructions and non-com-
pliant use.
1.4 safety instructions
Information that is relevant for safety is indicated in
the instructions as follows:
DAnGeR
Indicates potentially fatal situations.
WARnInG
Indicates possible danger to life and limb.
CAUtIon
Indicates possible material damage.
All interventions may only be carried out by qualified
gas technicians. Electrical interventions may only be
carried out by qualified electricians.
1.5 Conversion, spare parts
All technical changes are prohibited. Only use OEM
spare parts.

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Summary of Contents for krom schroeder DGS

  • Page 1: Table Of Contents

    Gas pressure sensor DGs oPeRAtInG InstRUCtIons Cert. Version 01.24 · Edition 04.24 · EN · 03251643 1 sAFetY 1.1 Please read and keep in a safe place Please read through these instructions carefully before installing or operating. Following the installation, pass the instructions on to the operator.

  • Page 2: Checking The Usage

    This function is only guaranteed when used within Elster GmbH, Made in Germany the specified limits – see page 9 (15 Technical DGS ... data). Any other use is considered as non-compliant. p = ... 2.1 type code pmax = ...

  • Page 3: Electrical Connection

    Differential pressure For the higher For the lower absolute pressure absolute pressure 3.3 Connecting the pressure line 1 Disconnect the system from the electrical power Communication interface (10/100 Mbit/s (Fast ethernet)) supply. 2 Close the gas supply. CAUtIon 3 Ensure that the pipeline is clean. Please observe the following to ensure that the 4 Purge the pipe.

  • Page 4: Led (Colour/Flash Code)

    ➔ The user keys are used for menu navigation and Col- Meaning Mode Description parameter setting purposes. symbol Description The pressure is greater than the Flash- setting value for the Press the OK key to confirm a selection Recording “MAX switching or query.

  • Page 5: Operation

    1 Vent the gas pipe. 2 Read the pressure value and enter it as a negative value in Parameters -> Safety For details of the Modbus TCP, see TI DGS, section parameters. Example: read value = 0.5 mbar, entitled “Modbus holding registers”.

  • Page 6: Tightness Test

    12.3 Connecting set for DGs and DG 10 tIGHtness test A DGS used as a relative pressure sensor (positive Check all gas ports used for tightness. pressure) can be connected to a pressure switch 1 Shut off the downstream gas pipeline close to (DG..U, DG..B, DG..H, DG..N) with a mechanical...

  • Page 7: Maintenance

    TI DG smart, section entitled “Web – Fault-clearance must only be undertaken by server”. authorized trained personnel. Download DGS Firmware upgrade, see www. ➔ If these measures do not help to rectify the fault: docuthek.com. remove the unit and return it to the manufacturer for inspection.
  • Page 8 14.3 Permanent remote reset 14.10 MIn pressure ? Permanent remote reset? ? MIn switching pressure? ! Warning: the unit is being permanently reset ! The pressure has fallen below the set MIN remotely by the bus communication. switching pressure. • Check the actuation for the remote reset and •...

  • Page 9: Technical Data

    100% duty cycle (continuous operation). Icing, condensation and dew in and on the unit are Safety class: 3. not permitted. DGS..A (ePSD Cat A): non-fail-safe regulating and Medium and ambient temperatures during operation control functions. (to EN 1854:2022+A1:2023 and FM 3510): 0 to DGS..C (ePSD Cat C): fail-safe regulating and...

  • Page 10: Designed Lifetime

    15.4.1 overall accuracy to Ethernet: M12 connector (socket/coupling, 4-pin, en 1854:2022+A1:2023 D-coded). Cable cross-section: min. 0.34 mm (AWG 22), -20–0°C, Measuring 25°C 0–60°C 60–70°C max. 1.0 mm (AWG 17, depending on the connec- range [% Fso]* [% Fso] [% Fso] tor used). Functional earth: ground terminal for connecting 0–10 kPa ≤ ±0.5 ≤ ±1.7 ≤ ±10...

  • Page 11: Safety Information In Accordance With En 61508-2

    18.4 sIL 17 sAFetY InFoRMAtIon In AC- CoRDAnCe WItH en 61508-2 Technical Information bulletin, see www.docuthek. com, DG smart, Safety information in accordance For systems up to SIL 2 pursuant to IEC 61508. with EN 61508-2. safety-specific characteristic values Diagnostic coverage DC 18 CeRtIFICAtIon Type B to IEC 61508- Type of subsystem 2:2010...

  • Page 12: Parameter

    19 PARAMeteR 19.1 General The “Parameters” menu option is divided into “Safety parameters” (password-protected) and “Non-safety parameters”. The value ranges of the parameters can be edited on the DG smart or using the integral web server. For details of the web server, see TI DG smart, Web server.
  • Page 13 19.4 settings Display Factory default name translation Value range settings mbar, kPa, PSI, Measuring unit Measuring unit mbar inch WC Point “.” or comma Decimal separator Decimal separator Point “.” “,” Setting: Display Brightness Brightness 100% brightness Temperature unit Temperature unit C, F, K Language Language...

  • Page 14: Logistics

    20 LoGIstICs transport Protect the unit from external forces (blows, shocks, vibration). Transport temperature: see page 9 (15 Technical data). Transport is subject to the ambient conditions described. Report any transport damage on the unit or packag- ing without delay. Check that the delivery is complete.

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