aquasant AS 2.0 D24 Operating Manual
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aquasant AS 2.0 D24 Operating Manual

Safety liquid switch
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Operating manual
Safety Liquid Switch
AS 2.0 (2.1) D24 Control Device, 1-channel, SIL2
for connecting electro-optic overfill protection systems,
conductivity detectors and Namur sensors
in 2- and 3-wire configurations

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Summary of Contents for aquasant AS 2.0 D24

  • Page 1 Operating manual Safety Liquid Switch AS 2.0 (2.1) D24 Control Device, 1-channel, SIL2 for connecting electro-optic overfill protection systems, conductivity detectors and Namur sensors in 2- and 3-wire configurations...
  • Page 2 Change index Version Date Description 1.00 04/2021 First version for firmware 1.00 AS 2.0 D24...
  • Page 3 Pages: Subject to change without notice Changes: © 2021 Aquasant Messtechnik AG claims copyright protection for this document. The document may not be modified, supplemented or reproduced without prior written consent. We reserve the right to make changes to technical details with regard to the description, information and illustrations in these operating instructions.

  • Page 4: Table Of Contents

    Control device assembly on DIN rail Electrical connections Operation and parametrisation Description of the device Operation Display and operating module Initial commissioning Checking installation Servicing and troubleshooting Procedure for repair Device malfunction Removal Appendix Technical data Commissioning test report Declaration of conformity AS 2.0 D24...
  • Page 5 Figure 8 Device dimensions; top view, side view ..............15 Figure 9 Connection diagram for the AS2.0 D24 G ..............18 Figure 10 Nameplate for the AS 2.0 D24 ................20 Figure 11 DIN rail disassembly ....................33 Table 1 Sensor selector switch ....................21 Table 2 6-way DIL switch (address) –...

  • Page 6: Information About This Document

     Observe the warnings for hazards with electrical voltage. Attention symbol  Pay special attention to the instructions. Operating symbol  Follow the instructions for operating the control device Maintenance symbol  Information regarding maintenance Manual symbol  Follow the instructions and information. AS 2.0 D24...

  • Page 7: Supplementary Documentation

    1.3.1 Standard documents ATEX test certificate EMC certificate of conformity QA documentation Swiss Association for Technical Inspections (SVTI) test report (equipment for water- polluting liquids) 1.3.2 Device-specific additional documentation Technical data: VDT-aquasant_AS2.0-D24 Quick start guide (included with the delivery) Aquasant Messtechnik AG...

  • Page 8: Safety Instructions

    The device complies with the legal requirements of the applicable EU directives. The directives are listed with the applied standards in the applicable EU declaration of conformity. By affixing the CE mark, aquasant® confirms that the device has been successfully tested.

  • Page 9: Functional Approvals

    Ex zone according to SEV ATEX21. The EU type examination certificate must be observed. It is particularly important to comply with the "Special conditions" contained in the certificate. Ex certification according to Directive 2014/34/EU Scan; PDF downloade: ATEX documentation Aquasant Messtechnik AG...

  • Page 10: Product Information

    SIL2 standards via the loop power supply. Further expansion sensor modules can also be connected to a basic device. The AS 2.2 D24 sensor modules expand the AS 2.0 D24 basic device with additional intrinsically safe sensor outputs. The basic device handles the display for error message monitoring from max.

  • Page 11: Special Functions

    Liquid sensor types: AF1S*, -21, -23, -33, -42, -26, - Leakage detection system with sensor KVU No.: 321.003 Conductivity detector types: LS11, -12, -13, -21 Liquid sensor types: AF1S*, -21, -23, -33, -42, -26 Filling protection system KVU No.: 301.001 Liquid sensor types: AF1IR* Aquasant Messtechnik AG...
  • Page 12 / HL alarm / delayed delay / Fault message redundant Storage 230 VAC tank 24 VDC Storage Reset tank Relay de-energized in alarm condition Figure 3 Using special overspill protection with two AS2.0 devices - schematic AS 2.0 D24...
  • Page 13 RS485 message redundant HL-Alarm HL-Alarm 230 VAC 24 VDC Storage Reset tank Relay de-energized in alarm condition AF * Leakage monitoring LS21.1 * surface oil detection Leakage monitoring Figure 5 Using oil detection with LS - schematic Aquasant Messtechnik AG...

  • Page 14: Installation

    Install the device in a safe place so that no one can accidentally touch the device and be injured by it. 4.2 Control device assembly on DIN rail 4.2.1 Installing Ex devices Figure 6 Arrangement for installing the AS2.* Connecting another device type DIN rail according to EN 60715 TH35-7.5/15 AS 2.0 D24...
  • Page 15 Place the control device on the standard rail and press downwards/backwards until the DIN rail engages. Figure 7 Installing on DIN rail according to NS35 DIN EN 60715 4.2.2 Enclosure dimensions Figure 8 Device dimensions; top view, side view Aquasant Messtechnik AG...

  • Page 16: Electrical Connections

    When stripping the sheathing, care must be taken not to damage the insulation of the individual wires or strands. If the cables are routed via junction boxes, a wiring diagram must then be drawn up. AS 2.0 D24...
  • Page 17 EN 60079-14. 4.3.2 Connector coding All connectors are coded by Aquasant. The labelled, coded connectors are equipped with push-in terminals for quick wiring with stranded wires. 4.3.3...
  • Page 18 Power supply 24VDC, A1+ / A2- Relay fault message output RS485 Figure 9 Connection diagram for the AS2.0 D24 G The control device relay outputs are galvanically isolated and currentless. The currentless state or alarm state are the same (relay de-energised). AS 2.0 D24...

  • Page 19: Operation And Parametrisation

    16. T-bus connector in DIN rail 17. Reset button 18. DIL switch for bus addressing (address) 19. DIN rail snap lock 20. Push-in connector terminals [Ex ia], connections on blue header 21. Sensor selector 22. USB-C socket Aquasant Messtechnik AG...
  • Page 20 5.1.1 Nameplate Left side Right side Figure 10 Nameplate for the AS 2.0 D24 5.1.2 Scope of delivery The scope of delivery of the AS2.x control device consists of: Control device type: AS 2.x D24 for DIN rail mounting •...
  • Page 21 The following sensors can be connected and parametrised at the intrinsically safe output in a 3- or 2-wire configuration:  Aquasant - all AF* liquid sensors including the AF1IR filling protection devices  Aquasant LS* conductivity probes for water limit and surface oil detection ...
  • Page 22 0b000100 >> Device 5 0b000101 >> Device 6 0b000110 >> Table 2 6-way DIL switch (address) – Device 1 Table 3 6-way DIL switch (address) – Device 2 Table 4 6-way DIL switch (address) – Device 3 AS 2.0 D24...

  • Page 23: Operation

    Tests the relays and LEDs >6s Press/hold Acknowledges OUT3 relay <2s Press internal buzzer Acknowledges the error <2s Press message Commissioning procedure <2s Press Save value <2s Press <2s Press Back from menu Next/confirm selection <2s Press Table 6 Button combinations Aquasant Messtechnik AG...

  • Page 24: Display And Operating Module

    AF* mv: 7.2k/6.9k Vertical scrolling text SYS: Check Display on AF* mv S/N: 200001 measured value FW: 1.0 active / øt SENS: LS* Device "Test" button Scrolling text SYS: Check Display on LS* S/N: 200001 FW: 1.0 AS 2.0 D24...
  • Page 25 Range: 1-10 weeks 03 week DIL setting 3/4 5 SIL mode SIL mode: Display: S Inactive active 6 Initialisation Parameter reset 1 Language SENS: AF* Operating display Monitoring active K3|S|FH|Q|H Table 7 Order of parameters - Description of functions Aquasant Messtechnik AG...
  • Page 26 Displays sensor type: LS conductivity sensor in 2-wire configuration without reading SENS: LS* LW9 check -|S|FH|Q|H|- Settings that are parametrised via DIL and menu - see key F106! Error no. (see the manual, Section 6.4.2) AF* sensor defective, below Error message in plain text (scrolling) minimum value AS 2.0 D24...
  • Page 27 Relay 1 function and monitoring active Parameter reset? 8. Initialisation with standard operating parameters Restore the default factory parameters. Language English, and restart the device. From the menu back to operating mode:  Press the "Reset" button <2 seconds Aquasant Messtechnik AG...
  • Page 28 Press Back to main menu <2s Press Back to operating mode <2s Press Table 10 Menu parameters - Description of functions When entering data in the menu, the monitoring of liquids in the control device is active. AS 2.0 D24...

  • Page 29: Initial Commissioning

    Check the display and LEDs of the AS2.x control device; acknowledge relay 3 via the button. Remove sensor from liquid; check the device again. 5. The control device is now ready for operation and measurement is active! Aquasant Messtechnik AG...

  • Page 30: Servicing And Troubleshooting

    Aquasant® point of sale for repair or a follow-up check. Electrical repairs may only be carried out by an electronics specialist from Aquasant Messtechnik AG. No liability is accepted for any damage caused by incorrect repairs.

  • Page 31: Device Malfunction

    Internal power supply unit Orange OFF not stable SYS CHECK Device OK Green Table 11 Status error messages Relay OFF = de-energised/Relay ON = energised Attention when setting DIL 5 to on FSL, relays OUT2 / 3 are inverted Aquasant Messtechnik AG...
  • Page 32  check the supply line to the sensor circuit F210 Maintenance  Order Aquasant service to carry out KVU maintenance F211 Software error  Switch off the device and restart it after 1 minute  If the error message is displayed again, send the device for...

  • Page 33: Removal

    For more information regarding the disposal of waste electrical and electronic equipment and for recycling and collection points, please contact your relevant local authority or the business where you purchased the device. Aquasant Messtechnik AG...

  • Page 34: Appendix

    OC time delay Function Evaluate external potentiometer (0-15 kΩ potentiometer) Connection Terminals 1/4 Name Sensor sensitivity Function Evaluate external potentiometer (0-15 kΩ potentiometer) Connection Terminals 2/4 Name Acknowledge HLalarm Function Evaluate external reset button Connection Terminals 3/4 AS 2.0 D24...
  • Page 35 Sensor misconfiguration Connection error Cable break Fail-safe Namur Connection Terminals/(level): D (+)/C (-) Cable type Min. 2x0.75 mm Cable resistance Max. 300 Ω Rotary switch Position 8 Fault monitoring Sensor misconfiguration Connection error Cable break Sensor reading Aquasant Messtechnik AG...
  • Page 36 RoHS Directive 2011/65/EU EN 63000:2018 Directive 2014/34/EU EN 60079-0:2018 EN 60079-11:2012 Conformity Environmental conditions Storage temperature –20 to +60 °C, ideally +20 °C Ambient temperature –20 to +60 °C Relative humidity 80%, non-condensing Shock resistance 300 g/s2 AS 2.0 D24...
  • Page 37 0.71 uF/2 mH (IIB) 5.1 uF/20 mH 3.7 uF/20 mH 2.4 uF/20 mH International approvals National approvals SVTI/KVU Filling protection: KVU No.: 301.001 Special overspill protection: KVU No.: 302.004 Leakage monitoring: KVU No.: 321.003 ATEX SEV 21 ATEX 0523 Aquasant Messtechnik AG...

  • Page 38: Commissioning Test Report

    7.2 Commissioning test report AS 2.0 D24...

  • Page 39: Declaration Of Conformity

    7.3 Declaration of conformity Aquasant Messtechnik AG...
  • Page 40 Aquasant Messtechnik AG | Hauptstrasse 22 | CH-4416 Bubendorf | Switzerland T. +41 61 9355000 | info@aquasant-mt.com | www.aquasant.com AS 2.0 D24...

This manual is also suitable for:

As 2.1 d24

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