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Summary of Contents for HESCH HE 5712 Compact
- Page 1 HE 5712 Compact / Modular Solenoid valve controller Figure similar Operating Instructions (Original German version) 372048 | Version 1.7...
- Page 2 Editor: AXXERON HESCH electronics GmbH, Documentation Department Copyrights © Copyright 2024 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.
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Page 3: Table Of Contents
IFFERENTIAL PRESSURE COLUMN ............................14 ECHNICAL MOUNTING ............................16 ............................. 16 IMENSIONS 4.1.1 HE 5712 Compact .......................... 16 4.1.2 HE 5712 Modular Operating unit (panel mounting housing) ............17 HE 5712 C ) ..................... 18 PENING THE DEVICE OMPACT ELECTRICAL COMMISSIONING ........................ 19 .......................... - Page 4 Document History Version Date Description Author 2018-06-14 First draft (Translation) 2018-12-18 Chapter 6.7: Pictures for PARA and ENTER key corrected 2019-08-08 Chapter Electrical Commissioning: Note added for entering password prior to commissioning. Chapter 5.3 and 7.1: „12,14,16“ added for 2020-01-07 mass in the note.
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Page 5: Legal Provisions
Legal provisions Manufacturer AXXERON HESCH electronics GmbH, Boschstraße 8, 31535 NEUSTADT, GERMANY. Intended Use The solenoid valve controller HE 5712 is used for cleaning industrial filter systems. The controller can be operated within the operating and environmental conditions approved in this manual without impairing its safety. -
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
Explosion Prevention! It is permitted to use the device version HE 5712 Compact (see Figure 1) in EX zone 22 with closed lid. It is mandatory to ensure that no explosive ambient conditions, such as e.g. development of dust exist, before opening the device for e.g. -
Page 8: Device Identification
If the device is connected to other devices and / or equipment, the effects must be considered and appropriate precautions taken before switching off. Device Identification The devices are labelled as follows: HE 5712 Compact Modular: II3D Device category Use in Zone 22 for dust during normal operation Indicates an electrical operating material, standards of series EN 60079-0ff. -
Page 9: Device Description
Device Description HE 5712 Compact Figure 1 HE 5712 (Compact) (figure is similar) Figure 2 HE 5712 (Compact) Connections (figure is similar) HE 5712 Operating Instructions # 372048 | Version 1.7... -
Page 10: He 5712 Modular
HE 5712 Modular The HE 5712 Modular is not suitable for EX zones. Figure 3 HE 5712 (Modular) Operating Unit Figure 4 Rear panel HE 5712 (modular) Operating Unit HE 5712 Operating Instructions # 372048 | Version 1.7... - Page 11 HE 5712 (Modular) control unit in standard rail enclosure (100…240 V AC) Figure 5 HE 5712 Operating Instructions # 372048 | Version 1.7...
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Page 12: Display And Operating Elements
Display and Operating Elements Figure 6 Display and Operating Elements Symbols Meaning Operation signal Cleaning active Alarm active Pulse time Pause time The number of valves is shown in the display and can be changed Post-cleaning cycles are shown in the display and can be changed Total / partial cycle is shown in the display and can be changed Interruption due to defective valve line or solenoid valves Short circuit of a valve line (overcurrent) -
Page 13: Differential Pressure Column
Symbols Meaning PARA key: parametrisation mode On/Off UP key: increase the displayed value DOWN key: decrease the displayed value ENTER key: confirm the displayed value TEST key: test mode On/Off Display Normal operation: current differential pressure, current valve Parametrisation mode: parameter values and alarm messages ... -
Page 14: Technical Data
Technical Data Technical Data 0…35 mbar Measuring range (please refer to 0…90 mbar the name plate) 0…450 mbar Measuring range 0…35 mbar: 160 mbar Max. differential pressure: Measuring range 0…90 mbar: 400 mbar Measuring range 0…450 mbar: 2000 mbar Medium Air and dry, non-aggressive gases Basic accuracy: ±... - Page 15 Ambient climatic conditions Storage -20°C…+70°C Transport -40°C…+85°C Operation Compact housing -20°C…+50°C in EX zone 22: -20°C…+40°C Modular -20°C…+50°C No ATEX approval Relative humidity ≤ 95% annual average, Relative humidity climatic conditions in accordance with 3K6 to DIN EN 60721-3 with restriction, outdoor installation only with protective roof.
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Page 16: Mounting
The ambient temperature at the installation point must not exceed the permissible temperature for nominal use specified in the technical data. Note! The HE 5712 Compact with may be installed in EX zone 22. You must necessarily observe the safety instructions for explosion protection, the indication on the name plate as well as the special regulations in chapter 2.4 Device Identification. -
Page 17: He 5712 Modular Operating Unit (Panel Mounting Housing)
HE 5712 Operating Instructions Note! Upon receipt, check the delivery for completeness and visible defects. In the event of a complaint, contact your responsible representative of AXXERON HESCH electronics GmbH immediately. HE 5712 Operating Instructions # 372048 | Version 1.7... -
Page 18: Opening The Device (For He 5712 Compact)
The housing lid can be opened to the left up to an angle of 105°. Optionally, the housing lid can be closed by 4 screws in addition, to protect it from unauthorised access. For futher information, please contact your service representative of AXXERON HESCH electronics GmbH. -
Page 19: Electrical Commissioning
Electrical Commissioning Before switching on the device, observe the following: Connect the cable firmly to the glands. The power supply must correspond to the voltage indicated on the name plate. The device may only be operated in closed condition. ... -
Page 20: Read Out And Set Password
Compact Housing Open the housing on the right hinge lock using a slotted screwdriver (see chapter 4.2 Opening the device (for HE 5712 Compact) and Figure 11): Figure 11 Opening the compact housing (figure shows similar device) (figure is similar) HE 5712 Operating Instructions # 372048 | Version 1.7... -
Page 21: Housing For Panel Mounting
Figure 12 HE 5712 Compact with 24 V DC supply voltage (figure is similar) 5.3.2 Housing for Panel Mounting The supply voltage is applied centrally to the control unit . The operating unit receives its 24 V DC supply via a patch cable (CAT5 or better) from the control unit. -
Page 22: Valve Connections
The control extends the effective pause time automatically to the above ratio. The software version can be determined via a serial number query in the customer area of our website https://www.hesch-automation.com/en/login/. HE 5712 Operating Instructions # 372048 | Version 1.7... -
Page 23: Parametrisation
Parametrisation Parametrisation with Device Keyboard Press the PARA key to change the values of the system parameters. A flashing LED indicates the value currently to be changed. If a password has been assigned, cod is displayed. Press the ENTER key. Press the UP and DOWN keys to enter the password digit by digit. -
Page 24: Parameter Table
Parameter Table Parameters Adjustment range Default Pre-assignment setting 0 … 999 Password 3-digit number that must be entered before parameters can be changed. 0 = no password protection 0.01 … 9.99 s Pulse time 0.10 s 0.10 s 0.1 … 999 s Break time 5.0 s 5.0 s... - Page 25 Parameters Adjustment range Default Pre-assignment setting Post-cleaning Threshold OFF, 2.0 mbar 2.0 mbar 0.0 … 500.0 mbar [mbar] (at 0...35 mbar measuring range) The threshold is activated when the lower threshold is exceeded. 5.0 mbar If the threshold is (at 0...90 mbar activated and the measuring range)
- Page 26 The following parameters can only be changed with the "EasyTool Controls" program (see also chapter 6.4 Parametrisation with Service PC) Parameters Adjustment Default Pre- range setting assignment 0.1 … 10.0 s p-Filter 2.0 s p-Filter constant for damping the p measurement. 1 …...
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Page 27: Offset For Zeroing
For parametrisation of several devices, parameterisation with a service PC is recommended. The USB / TTL adapter required for this is available at AXXERON HESCH. The parameters can be changed via PC and the "EasyTool Controls" software. The software can be used to save a configuration or to restore a saved configuration. -
Page 28: Reset Default Settings
Reset Default Settings Note! If a password has been assigned, it must be entered during reset. After the reset, the password is 0. A new password must be assigned. (see chapter 5.2 Read out and set password). Switch on the device while keeping both keys UP and DOWN pressed for 5 seconds. -
Page 29: Operation Of The Controller
Operation of the controller Normal Operation Operation is started by applying the supply voltage. The valve cleaning is controlled via the inputs and outputs of the device. Current output Note! All valve outputs of a system refer to the same mass (-) (12, 14, 16). It is permitted to use one ground line for several inputs. -
Page 30: Test Function
Test Function Press the TEST key to perform a function test of the valves. Select the desired valve with the UP / DOWN keys. Press ENTER (The selected valve is permanently operated with the stored pulse and pause time). If necessary, test the next valve. Press the TEST key for more than 2 sec. -
Page 31: Differential Pressure Measurement
Differential pressure measurement (raw gas) (pure gas) Figure 16 Differential pressure measurement connections (HE 5712 Compact) (figure is similar) (raw gas) (pure gas) Figure 17 Pressure connections on the control unit (HE 5712 Modular) The differential pressure is measured internally and transmitted as 4... 20 mA signal to the higher-level controller or to an indicating device. - Page 32 Differential Pressure Measuring range of the sensor High alarm Precoating Upper threshold Start Cleaning Lower threshold Stop cleaning Delay time 5 min Low alarm Start Post-cleaning Time Post- Cleaning Cleaning cleaning Alarm relay Figure 18 Time course of the differential pressure measurement HE 5712 Operating Instructions # 372048 | Version 1.7...
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Page 33: Error Messages
Error Messages Display Cause Troubleshooting The differential The differential pressure signal is Check differential pressure display below the permissible measuring pressure shows range Check external screw “_ _ _“ connection The differential The differential pressure signal is Check differential pressure display above the permissible measuring... -
Page 34: Maintenance And Service
Disposal Dispatch metals and plastics for recycling. Electrical and electronic components must be collected separately and disposed of accordingly. Dispose of assembled printed circuit boards professionally. Service AXXERON HESCH electronics GmbH Boschstraße 8 31535 NEUSTADT GERMANY Phone: +49 5032 9535-90 Internet: www.hesch-automation.com...
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