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Axxeron HESCH HE 5411 Operating Instructions Manual

Differential pressure measuring transducer with limit signal
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HE 5411
Differential pressure measuring transducer
with limit signal
Operating Instructions
(Translation of Original German version)
#340411 | Version 1.11

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  • Page 1 HE 5411 Differential pressure measuring transducer with limit signal Operating Instructions (Translation of Original German version) #340411 | Version 1.11...
  • Page 2 Editor: AXXERON HESCH electronics GmbH, Documentation Department Copyrights © Copyright 2023 AXXERON HESCH electronics GmbH. All rights reserved. The content including pictures and the design of these operating instructions are subject to copyright protection and other laws for the protection of intellectual property. The operating instructions may only be distributed as a complete document and only with reference to the source.
  • Page 3 Document history Date / Version Description / Author 16.09.2019 / 1.0 First version / Bg Chapter 3: Basic accuracy and temperature drift removed for analogue 25.09.2019 / 1.1 output; Chapter 8.1: Adaptation of heading; Chapter 8.3: Steps 9 and 10 supplemented; Chapter 9: Note removed / Bg Chapter 3: free from silicone, cable diameter and mean times (MTBF, MTTF) added 15.01.2020 / 1.2...

  • Page 4: Table Of Contents

    TABLE OF CONTENTS LEGAL PROVISIONS ........................... 5 SAFETY INFORMATION ..........................6 ...................... 6 YMBOLS AND ASIC AFETY NSTRUCTIONS ............................6 IGNAL ORDS ....................7 AFETY IN THE INDIVIDUAL OPERATING PHASES ........................... 8 PECIAL REGULATIONS ..........................9 EVICE DENTIFICATION TECHNICAL DATA ............................ 11 MOUNTING ............................

  • Page 5: Legal Provisions

    Legal Provisions Manufacturer AXXERON HESCH electronics GmbH, Boschstraße 8, 31535 NEUSTADT, GERMANY Intended use  The HE 5411 differential pressure measuring transducer is a universal pressure transducer, mainly used in dedusting industry. It can also be used for measuring overpressure in clean rooms.

  • Page 6: Safety Information

    Safety Information Symbols and Basic Safety Instructions This chapter contains important safety regulations and notes. To protect against personal injury and material damage, it is necessary to read this chapter carefully before working with the device. Symbols used The following symbols are used in this manual. All safety instructions have a uniform structure. Personal Injury Warning! The severity of the danger is indicated by the respective signal word.

  • Page 7: Safety In The Individual Operating Phases

    Safety in the individual operating phases When installing the device and during operation, the following safety instructions must be observed. Danger of Electrocution! Before working on the device, switch off all power supplies used. The electrical cables must be laid according to the respective national regulations (in Germany VDE 0100).

  • Page 8: Special Regulations

    Explosion Prevention! (for ATEX approved devices only!) HE 5411 Lite, Basic with a supply voltage of 19…36 V DC are suitable for use in explosion zones 2 and 22, provided that the lid is closed. HE 5411 Lite, Basic and Premium with a supply voltage of 100…240 V AC as well as Premium with 19…36 V DC are only suitable for use in explosion zone 22, provided that the lid is closed.

  • Page 9: Device Identification

    Device Identification Note! The HE 5411 is available in three different designs. The corresponding device identification can be found on the name plate. Devices with a measuring range of ± 1.25 mbar (regardless of the device version) do not have an ATEX certification! Note! For the 24 V DC devices with M12 connector, the device identifications below are identical (see chapter 6.1.1 Option: electrical connection via...
  • Page 10 II3D Device category: Use in Zone 22 for dust during normal operation Denotes electrical equipment. Standards of the EN 60079-0ff. series have been applied. Type of ignition protection: Protection by housing IIIC Explosion group: conductive dusts T135°C Temperature class: maximum permissible surface temperature Device protection level: Use in Zone 22 for dust IP65...

  • Page 11: Technical Data

    Technical Data Electric supply 19…36 V DC or 100…240 V AC Voltage Power consumption Max. 2 W Sensor system Measuring range ± 1.25, ± 2.5, ± 5, ± 10, ± 25, ± 50, ± 100, ± 350, ± 1000 (mbar) in accordance with the information on the name plate ±...
  • Page 12 Housing Type Dust-tight polycarbonate housing 113 × 80 × 60 (W × H × D) Dimensions 113 × 110 × 60 (W × H × D) incl. connection coupling Protection type IP 65 Mounting Wall-mounted, vertical mounting position 1 × M20 × 1,5 N (for cable diameters 6-12 mm) Cable gland with multiple sealing insert for 2 x cables Ø...
  • Page 13 Mean Time Between Failures Power supply Power supply Power supply Power supply 19…36 V DC 100…240 V AC 19…36 V DC 100…240 V AC MTBF [a without limit without limit signal with limit signal with limit signal signal Without display With display Mean Time to Dangerous Failure...

  • Page 14: Mounting

    HE 5411 differential pressure measuring transducer  Operating Instructions Note! Upon receipt, check the delivery for completeness and visible defects. In case of complaint, contact your responsible representative at AXXERON HESCH electronics GmbH immediately. HE 5411 Operating Instructions #340411 | version 1.11...

  • Page 15: Opening The Device

    Optionally, the housing lid can be closed with 4 additional screws (see chapter 11 Accessories) in order to protect it from unauthorised access. For further information, please contact your service representative of AXXERON HESCH electronics GmbH. Open the housing lid to the left (figure shows similar device) HE 5411 Operating Instructions #340411 | version 1.11...

  • Page 16: Mounting The Device

    Mounting the device Note! If the device is to be drilled to the wall, Figure 1 can be used as drilling template. 4 screws are required to fasten the device to the wall. (Not included in the scope of delivery!) Housing bottom Alternative: Fastening to the wall with wall brackets.

  • Page 17: Device Description

    Device description The differential pressure measuring transducer records the differential, over- and negative pressure between two pressure inputs, and converts the measurement value into a linear or square-rooted output signal of 0(4)…20 mA or 0…10 V. The 4-digit 7-segment display of the Basic and Premium version allows the indication of negative pressures.
  • Page 18 Device versions with 19…36 V DC: HE 5411 Lite HE 5411 Basic HE 5411 HE 5411 Premium measuring range ± 1.25 mbar With ATEX Zone 2 + 22 Zone 2 + 22 Zone 22 Without ATEX Device versions with 100…240 V AC: HE 5411 Lite HE 5411 Basic HE 5411...

  • Page 19: Electrical Commissioning

    Electrical Commissioning Danger of Electrocution! Electrical installation must only be carried out when the power is disconnected. Warning of material damage caused by electrostatic charge! Observe the safety measures according to DIN EN 61340-51/-3 to avoid electrostatic discharge! Property damage due to incorrect voltage supply! The power supply must correspond to the voltage indicated on the nameplate.
  • Page 20 Electrical connections HE 5411 with cable glands HE 5411 Operating Instructions #340411 | version 1.11...

  • Page 21: Electrical Connections

    Electrical connections Connections Meaning Analogue output OUT Current output 0(4)…20 mA Ground OUT Voltage output 0…10 V Supply voltage (Figure 5 shows 24 V DC device) Connection DC Signal Version AC Signal Version 19…36 V DC 100…240 V AC Relay output (limit value) Pressure inputs The pressure inputs are to be connected with the shortest possible hoses.

  • Page 22: Option: Electrical Connection Via M12 Connector (For 24 V Dc Devices Only!)

    6.1.1 Option: electrical connection via M12 connector (for 24 V DC devices only!) Optionally to the regular connection procedure (see chapter 6.1 Electrical connections) all 24 V DC devices can also be electrically connected via an M12 connector. M12 connector Electrical connection HE 5411 with M12 connector HE 5411 Operating Instructions #340411 | version 1.11...
  • Page 23 Connection schemes with M12 connector Contact Signal Colour Note +24 V supply Brown 0…10 V: terminal XK3.1 Analogue output White 0(4)…20mA 0(4)…20 mA: terminal XK3.3 (Optional: 0…10V) GND supply / Blue analogue output Is put on terminal XK1.3 for Lite and Basic Switch output (only Black for Premium...

  • Page 24: Mounting Measuring Hose Onto Pressure Connection

    Mounting measuring hose onto pressure connection 1. Push 2. Pull hose Mounting hose onto push-in bulkhead fitting Hose connection Insert hose with 6 mm outer diameter into the connection. Hose disconnection 1. Press the blue retaining ring to open the lock. 2.

  • Page 25: Display And Operating Elements

    Display and Operating Elements HE 5411 Premium Display and Operating Elements (outside and inside) 0(4)…20 mA switch LEDs Test button Rotary coding switch HE 5411 Operating Instructions #340411 | version 1.11...
  • Page 26 Symbols/Displays Meaning UP key: increase the displayed value DOWN key: decrease the displayed value Limit LED (Premium only): 3-coloured with colour change function for status indication Display: • Normal operation: current differential pressure • Parameter setting mode: Limit value set •...

  • Page 27: Limit Led (Premium Only)

    Limit LED (Premium only) The limit LED serves as a status display for rising or falling pressure. This function is of particular advantage in the case of pressures around the set limit value, since the hysteresis can be read by means of the LED colours. Note! The limit relay hysteresis can only be set with the “EasyTool Controls”...

  • Page 28: 7.1.2 "Limit Window" Mode

    7.1.2 “Limit window” mode Pressure rising Pressure dropping Limit relay Hysteresis Hysteresis Limit relay Relay limit value Hysteresis Hysteresis Limit relay Limit LED status display in “Limit window” mode Meaning If the status display shows a single-colour green light, this means that the measured pressure is between the limit values and outside of the set hysteresis range.

  • Page 29: Operation

    Operation Offset for Zeroing Note! The device has been set to the correct value in the factory and does not need to be modified. Explosion hazard! This function must only be used outside of EX zones, since the housing must be opened under voltage. Before opening the housing, make sure that no explosive environmental conditions, such as dust, exist.

  • Page 30: Offset For Zeroing With Device Keypad (He 5411 Premium)

    Offset for zeroing with device keypad (HE 5411 Premium) Should a zeroing need to be carried out, a warm-up time of 30 minutes must be observed. Press keys UP and DOWN. The current pressure at the pressure connections will be accepted as the offset. The measured pressure must be in the range of ±10 % from the measuring range end value to the zero point in order to achieve a successful zeroing.

  • Page 31: Limit Value Parameter Setting With Device Keypad (He 5411 Premium)

    Limit value parameter setting with device keypad (HE 5411 Premium) The 7-segment display shows the current actual value. Hold the UP key pressed down for 3 seconds to edit the upper limit value. Hold the DOWN key pressed down for 3 seconds to edit the lower limit value.

  • Page 32: Analogue Output Setting

    Analogue Output Setting The analogue output can be selected between 0…20 mA or 4…20 mA with the slide switch. • 0…20 mA (left) • 4…20 mA (right) Setting the measuring range The measuring range is set with the rotary coding switch. The different spreads depend on the full measuring range of the sensor used.

  • Page 33: Test Mode

    Test Mode The transmission of the analogue signal can be tested in Test Mode. Explosion hazard! This function must only be used outside of EX Zones, since the housing must be opened under voltage. Before opening the housing, make sure that no explosive environmental conditions, such as dust or gas, exist.

  • Page 34: Parameter Setting With Service Pc

    Parameter setting with Service PC The “EasyTool Controls” software from Version 4.x is required to set the parameters with a service PC. The USB/TTL adapter required for that purpose is available from HESCH (see chapter 11 Accessories). The program allows a configuration to be saved, or a saved configuration to be established again.

  • Page 35: Parameter Table

    Parameter Table Sensor Min. = Base measuring range start Sensor Max. = Base measuring range end Note! The basic measuring range is indicated on the name plate! Note! Please note that, when setting the measuring range start and end, the difference between the two must not be less than 25% of the base measuring range! Parameter...
  • Page 36 Parameter Adjustment range Default setting Unit Characteristic line linear, square-  rooted, table If the parameter “Characteristic line” is on the table, the characteristic line can be defined with the parameters “Base Output Signal 1”, “Base Output Signal 1” and “Base Output Signal 30”, “Base Output Signal 30”.
  • Page 37 Display / Output signal Input Example for damping a fluctuating signal Damping × 5 Input Display / Output signal Example for step response HE 5411 Operating Instructions #340411 | version 1.11...
  • Page 38 Parameter Adjustment range Default Setting Unit Display / Output Creep flow suppression None, step, linear Step  Flattens the output signal after root extraction at small differential pressures (around zero).  Functionalities: None (function is deactivated) Step (the parameter ‘creep flow threshold’...
  • Page 39 Parameter Adjustment range Default Setting Unit Lower limit value Off, Sensor Off / 1% of  See chapter 7.1 Min…Sensor Max Base measuring range end  The lower limit value is deactivated by default for sensors with a mbar, Pa, unidirectional basic inH2O, psi measuring range.
  • Page 40 None Step (threshold = 10) Creep flow suppression ‘Step’ Linear (threshold = 15) None Creep flow suppression ‘Linear’ HE 5411 Operating Instructions #340411 | version 1.11...
  • Page 41 Measuring signal Upper limit value Hysteresis over limit value Outer Hysteresis under limit value Lower limit value Relay control “Fail-Safe Relay” Inner Parameter = inactive “Fail-Safe Relay” Parameter = active Inner Configuration of the Limit Value HE 5411 Operating Instructions #340411 | version 1.11...
  • Page 42 Parameter Adjustment range Default setting Unit Test  See chapter 8.6 10…300 Test duration 0.00…100.00 Test value current signal 0.00…100.00 Test value voltage signal Parameter Adjustment range Default setting Unit Device settings 50…100 Display brightness 000…999 Password  The password must be entered using the UP and DOWN keys before the parameters “Upper...

  • Page 43: Error Messages

    Error Messages Display Cause Troubleshooting  Check the The display shows Measurement range overshot or pressure connections reversed. measurement range set.  Check the pressure connections. alternating with the currently measured value.  Check the The displays shows Measurement range underrun or pressure connections reversed.

  • Page 44: Accessories

    Accessories HESCH offers a series of optional accessories in connection with the assembly and connection technology of the HE 5411 differential pressure measuring transducer: Item Picture Name Order number Wall bracket upon request as an alternative means of fastening the HE 5411 housing Colour: Light grey Housing hinge closure...
  • Page 45 Item Picture Name Order number Multiple sealing insert upon request 3 x cables Ø 5 mm USB/TTL adapter # 61000011 Incl. connection cable and “EasyTool Controls” PC software M12 connector #135725 4-pole, A-coded Reduction #165533 M20×1.5…M16 ×1.5 HE 5411 Operating Instructions #340411 | version 1.11...

  • Page 46: Maintenance And Service

    Disposal Dispatch metals and plastics for recycling. Electrical and electronic components must be collected separately and disposed of appropriately. Dispose of assembled printed circuit boards professionally. Service AXXERON HESCH electronics GmbH Boschstraße 8 31535 NEUSTADT GERMANY Phone: +49 5032 9535-0 Internet: www.hesch-automation.com...

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