Honeywell Midas S2 User Manual
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Honeywell Midas S2 User Manual

Honeywell Midas S2 User Manual

Fixed single-point extractive gas transmitter
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Midas® S2
Fixed single-point extractive gas transmitter

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Summary of Contents for Honeywell Midas S2

  • Page 1 Midas® S2 Fixed single-point extractive gas transmitter...

  • Page 2: Table Of Contents

    2.6.2 Electrical installation 2.7 Attach the pyrolyzer or NDIR 2.8 Install the sensor cartridge Chapter 3 - Device Operation 3.1 Turn the device on & off 3.2 Monitoring 3.3 Review Information 3.4 Calibration 3.5 Testing 3.6 Setup Midas S2 User Manual...
  • Page 3 4.7.10 Set a LIT 4.7.11 Zero calibration 4.7.12 Span calibration 4.7.13 Flow calibration 4.7.14 Calibrate 4-20 mA 4.7.15 Perform a LIT calibration 4.7.16 Perform a bump test 4.7.17 Perform an alarm or fault simulation 4.7.18 Perform a 4-20mA test Midas S2 User Manual...
  • Page 4 6.9.3 Install web server certificate in Google Chrome 6.9.4 Install web server certificate in MS Browsers 6.10 Warranty 6.10.1 Sensor Cartridges Warranty 6.11 Contact Us 6.11.1 Europe, Middle East, Africa 6.11.2 Asia Pacific 6.11.3 Americas 6.11.4 Technical Support Midas S2 User Manual...

  • Page 5: Chapter 1 - Introduction

    Robust extractive pump system (2-year lifetime) sampling up to 100 feet Designed to ensure maximum uptime while providing a delightful user experience while using the machine and providing a low cost of ownership for the customers Block test to ensure sampling line connection and no leakage Midas S2 User Manual...

  • Page 6: Safety

    Lorsque le Midas S2 arrive en fin de vie, il doit être mis au rebut conformément aux réglementations locales. N'utilisez pas de solvants ou d'abrasifs pour nettoyer le détecteur de gaz.

  • Page 7: Certifications

    ROHS: EU Directive 2015/863 EMC: EN 50270:2015 1.4 What's in a Full Box System Midas S2 transmitter Installation accessories (tubes, tube adaptor or LIT check valve if ordered) Quick reference guide ROHS sheet with drill template Demount handle 1.5 Cleaning the system Clean the exterior of the instrument with a soft, damp cloth.

  • Page 8: Hardware Overview

    1.6 Hardware Overview Display Pump door latch Navigation buttons Sensor cartridge Sensor release latch Cable gland Mounting holes Pump module FIGURE 1 -1: Hardware components Midas S2 User Manual...

  • Page 9: User Interface Overview

    Flow rate Internal pump running 10- Gas name 11 - Gas concentration 12 - Unit 13 - Bar graph for gas concentration display 14 - Menu 15 - Information FIGURE 1 -2: Device's interface components Midas S2 User Manual...

  • Page 10: Default Configuration

    NOTE: Oxygen levels are 20.9% v/v in a normal atmosphere, equivalent to 17.3 mA. Use caution when integrating an oxygen Midas S2 unit using the 4-20 mA output since fault, inhibit, and no power conditions are below 4 mA and, by default, an oxygen depletion alarm is triggered on a falling alarm (default 19.5% v/v).

  • Page 11: Chapter 2 - Installation

    CHAPTER INSTALLATION For ease of installation Midas S2 has been designed to allow the installation of the mounting bracket assembly and main module separately from the other parts of the detector. The detector location and hard wiring can therefore be completed before fitting the detector’s main module and sensor cartridge.

  • Page 12: Dimensions

    2.1 Dimensions 55mm 138.6 148mm FIGURE 2 -1: Midas S2 dimensions Midas S2 User Manual...

  • Page 13: Mount The Device

    3. Unscrew the retaining screws located at the base module, and then, remove the back plane PCB module. 4. Drill two holes 2.24in (56.8mm) vertically apart for 2 x round head M4 screws, using the separately provided drill template on the ROHS sheet. Midas S2 User Manual...
  • Page 14 NOTE:Depending on the installation environment of the device, there may be a variation in pump operation performance due to vibration of a specific frequency or direction, so check regular pump operation after installation. If you need technical assistance, please contact the Honeywell Service Team. Midas S2 User Manual...

  • Page 15: Sample And Exhausting Tubing Calculations

    Tubing ID, mm (in) 3.18 (0.125) Honeywell recommends thick-wall tubing (1/8” ID) for best speed of response. Due to its lower surface area, thick- wall tubing may require less conditioning than thin-wall tubing. The flow rate is electronically maintained at approximately 500 cc/min and may vary within acceptable tolerances.

  • Page 16: Prepare Tubing

    2.5 Local Detector Option The Midas S2 gas detector can also be used to monitor for gas at the location of the detector. To do this, an inline filter is connected to the gas inlet port with the proper filter option of In- Line Filters.

  • Page 17: Wiring

    Relay Contact terminals FIGURE 2 -2: Base module components Midas S2 can be powered by either 24 VDC via traditional discrete wiring or by approximately 48 VDC delivered through the Ethernet cable from a PoE source. In either case, the 4-20 mA analog output can be used.
  • Page 18 Use a ferrule on the wire when necessary. IMPORTANT: Do not over-tighten the terminal screw. When wiring the Midas S2 Transmitter to a controller, program the controller for a 1-2 second delay before reporting to prevent false alarms.

  • Page 19: Electrical Installation

    Alarm2 – COM TB3-(4) Relay2 Alarm2 - NO/NC (default NO) TB3-(5) Relay3 Common Fault – COM TB3-(6) Relay3 Common Fault – NO/NC (default NO) NDIR/PYRO Pyrolyzer or NDIR connector Relay rating : 1.0A@30VDC or 0.5 A@125 VAC max. Midas S2 User Manual...
  • Page 20 Normally de-energized, energized on alarm Common fault relay Normally energized, de-energized on fault FIGURE 2 -6: Connecting the cables to the terminal block FIGURE 2 -7: Wiring area Note: Wiring should be executed within the shaded area. Midas S2 User Manual...

  • Page 21: Attach The Pyrolyzer Or Ndir

    4. Connect the pyrolyzer or NDIR to the detector with the three provided mounting screws 5. Place the main module and screw the two screws referring to steps 11 and 12 of ‘Mounting the device.’ FIGURE 2 -8: Pyrolyzer socket Midas S2 User Manual...

  • Page 22: Install The Sensor Cartridge

    5. Confirm the display for gas type and concentration on the screen. NOTE: All sensor cartridges are supplied calibrated. Some sensor cartridges can monitor for more than one type of gas. Please refer to Topic 3.6.1: Gas type change and Topic 3.7: Sensor replacement for details. Midas S2 User Manual...

  • Page 23: Chapter 3 - Device Operation

    In another case, such as plugging the power cable out, including PoE, the device can be powered on automatically. Midas S2 records the last power-off condition and reproduces that status to prevent it from not working when the power comes back after an unintentional sudden power interruption.

  • Page 24: Monitoring

    3.2 Monitoring After commissioning, the Midas S2 detector is set in the Monitoring Mode, which is the starting point for all of the device's operations. The examples in the following table are for a linear 4-20 mA output over a full scale range of 2 ppm.

  • Page 25: Review Information

    Deadband status Alarm latching/non-latching Alarm delay time 4-20mA Concentration range of 4-20mA output Latching/Non-latching Maintenance fault enable/disable Faults Temperature fault enable/disable Calibration interval Calibration due days Calibration Span target LIT status LIT (optional) LIT test time Midas S2 User Manual...
  • Page 26 Option Information you can review from selected option Date/Time Date and Time IP obtain method IP address Subnet Mask Network Gateway MAC Address Event Log Event logs Midas S2 User Manual...

  • Page 27: Calibration

    4-20mA output calibration LIT calibration Calibration can be performed with secondary and primary gases except Midas S2-E-XHF, which should be implemented with only HF gas and without Pyrolyzer. If a target gas is different from the set gas type, the setting must be changed to the target gas type before entering the calibration menu and then should go back after calibration.

  • Page 28: Testing

    NOTE: All test items display results only within the test mode, and the device goes back to the normal status when exiting the test mode except LIT test. If the LIT test fails, the monitoring mode shows the LIT fail and fault indication. Midas S2 User Manual...

  • Page 29: Setup

    The calibration interval in days Bump Test interval The bump test interval in days Line leak test (enable/disable) LIT (optional) LIT interval (8-72 hours) Date Date/Time Date format (YYYY MM DD, DD MM YYYY, MM DD YYYY) Midas S2 User Manual...
  • Page 30 Auto backlight off The device detects the optimization frequency automatically; it is not recommended to switch to manual control of the pump without a specific reason. Switching to manual control may cause damage to the pump. Midas S2 User Manual...

  • Page 31: Line Integrity Test

    3.7 Line Integrity Test Honeywell offers the optional capability to check for leaks in Midas S2 sample lines. Midas S2 Transmitter for Line Integrity Test detects any leak in the tubing with a pneumatic signal change from the valves installed at the end of the sample line. This test is performed automatically as a Line Integrity Test.

  • Page 32: Install And Leak Check

    3.7.1 Install and leak check 1. Mount the Midas S2 using the integral mounting bracket. 2. Connect the actual inlet & outlet tubes to Midas S2 and turn on the system. Verify the Check-Valve is attached to the Sampled Point.

  • Page 33: Chapter 4 - Web Operation

    The Midas S2 gas detector unit utilizes an Ethernet port with the TCP/IP protocol as standard. The Midas S2 can function as a HTML web page server and these web pages can be viewed on external computer equipment (PC, PocketPC etc.) by using any Web browser, i.e.; Microsoft Bing, Safari, or Google Chrome .

  • Page 34: Running The Web Server

    4.4 Running the Web Server In a web browser, set the URL to “http://xxx.xxx.xxx.xxx” where the “xxx” fields are replaced with the IP address of the Midas S2. 4.5 Login You need to login to Set-up, Calibrate, or Test your device.

  • Page 35: Review Alarm & Fault Status

    View information about records in text format and as a detailed graph. Go to Review < Event History The following graph shows detailed information about the selected event. The graphic displays the gas concentration before and after a specific time from when the event occurred. Midas S2 User Manual...

  • Page 36: Review A Calibration Certificate

    2. Set the concentration at which Alarm1 occurs. 3. Set the concentration at which Alarm2 occurs. 4. Enter the Dead band. 5. Enter the Alarm delay. When an alarm condition is reached, an alarm occurs at a delayed time. Midas S2 User Manual...

  • Page 37: Set Up The Fullscale

    External relay configuration: Set the operation conditions for External relay. External fault relay: Set whether to generate a external fault relay. 4.7.9 Set up faults Set a Fault Occurrence On the home page, select Set-up > Faults. You can set the faults as follows: Midas S2 User Manual...

  • Page 38: Set A Lit

    2. Increase or decrease the mA value, and then click Next to Zero calibration (4 mA). 3. Increase or decrease the mA value, and then click Next to calibrate the span (20mA). 4.7.15 Perform a LIT calibration Ensure sample inlet tubing is done and tested tightening. We recommend implementing blocking test Midas S2 User Manual...

  • Page 39: Perform A Bump Test

    Enable or disable the inhibit state. 1. On the home page, select Test > Inhibit. 2. From the Inhibit level option, select No inhibit or Inhibit. 3. Select the Inhibit timeout in minutes. 4. Click Accept. Midas S2 User Manual...

  • Page 40: Chapter 5 - Maintenance

    CHAPTER MAINTENANCE Midas S2 is a fully serviceable product designed with modular components that can be readily replaced by trained service personnel so as to minimize the time that the gas detector is not available. External in-line air filters should be replaced every three months or more frequently if the system is sampling in environments that have high levels of particulate matter or very acidic / wet atmospheres.

  • Page 41: Block Test

    Note: The blocking test is conducted under test mode so the device does not generate a Fault code. But If you have a Fail result, there's a leakage somewhere. Please check the status and connection of the sampling line and try again. Midas S2 User Manual...

  • Page 42: Replace The Pump

    5.2 Replace the Pump BEFORE YOU BEGIN: We recommend turning the Midas S2 unit off before replacing the pump module. If you want to replace the pump module with the power on, please refer to the detector inhibiting outputs on Topic 3.5: Testing.

  • Page 43: Chapter 6 - Additional Information

    ISO 9000 quality controlled procedure. The Midas S2 sensor cartridge design is very robust and resistant to long term drift; in fact in a normal operating environment it is possible to extend the calibration interval with Midas S2 up to 24 months (subject to local requirements concerning calibrations).

  • Page 44: Bump Test

    This is particularly important when the sensor is operating outside of normal environmental conditions (20°C, 50% rH). The Gas Table indicates the recommended calibration or bump test gas for the Midas S2 sensor cartridges: Consult with your Honeywell Analytics Service Representative for approved methods and materials before commencing calibrations and bump tests.

  • Page 45: Finishing

    This symbol indicates that the product must not be disposed of as general industrial or domestic waste. This product should be disposed of through suitable WEEE disposal facilities. For more information about disposal of this product, contact your local authority, distributor or the manufacturer. Midas S2 User Manual...

  • Page 46: Troubleshooting And Fault Diagnosis

    The user has generated a simulated fault. Reset simulated fault. Over Range A large concentration has been detected. Supply known clean air to the Midas S2 and clear this fault. The Midas S2 requires independent confirmation that the gas hazard is gone.
  • Page 47 Service or replace the Pyrolyzer. is too high or low. RESERVED RESERVED Pyrolyzer installation fault Pyrolyzer is not installed properly Check gas type or reinstall the Pyrolyzer. NP1 pyrolyzer module failure Check flow connections between Midas S2 and NP1 Pyrolyzer. Midas S2 User Manual...

  • Page 48: Specifications

    Up to 30 m (100 ft) Ambient Point In line air filter required Environmental Operating temperature 0°C to +40°C (32°F to 104°F) 0°C to +30°C (32°F to 86°F) with Pyrolyzer Condition Indoor only Overvoltage Category 1 Pollution degree Midas S2 User Manual...

  • Page 49: Ordering

    MIDAS S2-E-LEL sensor cartridge : CH4, H2, C2H4, C3H6 MIDAS S2-E-NH3 Midas S2 NH3 sensor cartridge : NH3 MIDAS S2-E-HCL Midas S2 HCL sensor cartridge : BCl3, SiH2Cl2, HBr, HCl MIDAS S2-E-H2X Midas S2 H2X sensor cartridge : H2 MIDAS S2-E-COX...

  • Page 50: Gas Table

    Cartridge ID Filter Calibra�on Gas Exp Time(Sec.) Max. Time(Sec.) up(Min.) Line Length(m) Bump Test Gas 780248, 1991-0147 Methane 0-100 Midas S2-E-LEL CH4 2.5% vol CH4 2.5% vol 1830-0055 780248, 1991-0147 Hydrogen 0-100 Midas S2-E-LEL H2 2% vol CH4 2.5% vol 1830-0055...
  • Page 51 Calibra�on Gas Exp Time(Sec.) Max. Time(Sec.) up(Min.) Line Length(m) Bump Test Gas 780248, 1991-0147 Disilane Si2H6 0-20 Midas S2-E-SHX Si2H6 10 ppm SiH4 10 ppm 1830-0055 1991-0147 Hydrogen Fluoride 0-12 1.05 0.05 Midas S2-E-HFX HF 6 ppm HF 6 ppm...
  • Page 52 8 MIDAS S2-E-LEL cartridge carries the standard 2 years warranty but can be calibrated to extend its life to 5 years. For the 2 years cartridges, Honeywell Analytics allows for a period of up to 6 months after the manufactured date for cartridge installation and then 2 years of use.
  • Page 53 2. The ambient Oxygen level is typically %20.9 by volume. If there is a serious problem with an Oxygen sensor, the reading will not be %20.9. The flow rate is regulated by the Midas S2 unit. CO2, test gases must be in a balance of air, not Nitrogen.

  • Page 54: Reflex

    REFLEX sampling interval in order to establish the actual viability of the cell. Within a relatively short time, Midas S2 will be able to alert the user via fault codes that the electrochemical cell is likely to be requiring replacement and is possibly unable to correctly detect gas.

  • Page 55: A Modbus/Tcp Interface

    This applies to registers Gas Concentration and Alarm Threshold. The Midas S2 fills 122 Modbus/TCP holding registers as listed in the following table. The Monitoring Status register is a concise summary of Midas S2 status. The other registers provide more complete information.
  • Page 56 40013 A1T1 Alarm 1 threshold in floating point format, 40014 A1T2 scaling same as FCN1 and FCN2 40015 A2T1 Alarm 2 threshold in floating point format, 40016 A2T2 scaling same as FCN1 and FCN2 Midas S2 User Manual...
  • Page 57 Refer to the Sensor Cartridge ID and Gas ID columns (* marked) in Topic 6.6: Gas Table and Topic 6.3: Troubleshooting and Fault Diagnosis for Modbus registration. For further information, refer to the 3016M5001 MIDAS-M User Manual or contact the Honeywell Service team.

  • Page 58: Security

    6.9 Security Midas S2 is shipped from the factory with security disabled. It is recommended to enable the security function for safe use of the device. If the security function is enabled, the web server can be accessed through HTTPS. And it is recommended to clear the browser cache to access the web server through HTTP after security is disabled.

  • Page 59: Warranty

    Honeywell under a Quality Management System that is certified to ISO 9001. As such, the Midas S2 Transmitter (including the pump) is warranted under proper use, to the original end- user purchaser, against any defects in materials or workmanship related failures for a period of 12 months from the date of first turn-on or 18 months from delivery from Honeywell Analytics to the customer, whichever is less.

  • Page 60: Sensor Cartridges Warranty

    6.10.1 Sensor Cartridges Warranty Midas S2 sensor cartridges carry a warranty specified for each gas sensor in the sensor cartridge datasheet. The user should activate (install) before the marked Date on the cartridge. The warranty period is from switch-on/installation or "activation by" date, whichever is faster.

  • Page 61: Contact Us

    India Tel: +91 124 4752700 China Tel: +86 10 5885 8788 3000 analytics.ap@honeywell.com 6.11.3 Americas Honeywell Analytics Distribution Inc. 405 Barclay Blvd. Lincolnshire, IL 60069. USA Tel: +1 847 955 8200 Toll-free: +1 800 538 0363 detectgas@honeywell.com RAE Systems by Honeywell Phone: 408.952.8200...
  • Page 62 Midas® S2 User Manual3023M5001 Language: English RevisionA @ 2023 8/31/2023 Manuals and other information about this product are available at : sps.honeywell.com Midas S2 User Manual...

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