MDG MSe1 User Manual
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MDG MSe1 User Manual

Fog generator with plc and modbus rtu interfaces
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User Guide
MSe1 or MSe2 Fog Generator
with PLC and Modbus RTU interfaces
(Revision A/b, January 2020, © MDG Fog Generators Ltd)
Les Générateurs de Brouillard MDG Ltée / MDG Fog Generators Ltd
10301 avenue Pelletier, Montréal, Québec, Canada H1H 3R2
Tel. 514-272-6040 / 800-663-3020 - Fax 514-722-3229
www.mdgfog.com
e-mail : info@mdgfog.com

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  • Page 1 PLC and Modbus RTU interfaces (Revision A/b, January 2020, © MDG Fog Generators Ltd) Les Générateurs de Brouillard MDG Ltée / MDG Fog Generators Ltd 10301 avenue Pelletier, Montréal, Québec, Canada H1H 3R2 Tel. 514-272-6040 / 800-663-3020 - Fax 514-722-3229 www.mdgfog.com...
  • Page 2 MSe1 or MSe2 Fog Generator Intentionally left blank User Guide, Rev: A/b, January 2020 2 / 38...

  • Page 3: Table Of Contents

    MSe1 or MSe2 Fog Generator Table of content Section Page Table of content User Guide How to read this User Guide Qualified Personnel Need a little Help? Copyright Notice Basic description Pre-Install Environmental Requirements Electrical Requirements Tubing Requirements Unpacking Installing the MSe1 or MSe2...

  • Page 4: User Guide

    MSe1 or MSe2 Fog Generator User Guide Congratulations! You are now in possession of a MDG MSe1 or MSe2 Fog Generator. We hope this Fog Generator will bring you long hours of satisfaction. Please read the following instructions carefully and completely before installing your Fog Generator and turning it on.

  • Page 5: Qualified Personnel

    Need a little Help? At MDG, we try our best to provide you with complete information for our products. Despite our best efforts, sometimes, a little more is required due to the specifics of your project and installation. We’re looking forward to go that extra mile for you.

  • Page 6: Basic Description

    LCD, in the Status Menu. Check the FAIL State and Troubleshooting paragraphs for diagnostics. When « Fog On » mode is activated, the MDG Fog Generator will produce fog for as long as the ready level is reached (temperature) and all other control parameters are within specifications. When « Fog On » mode is deactivated, the APS™...
  • Page 7 MSe1 or MSe2 Fog Generator BACK FRONT Fog output Access door nozzle (MSe1) AC Input Fog fluid input BOTTOM or N Gas input 50 psi ± 5% Control Input / Output INSIDE Heating module - MSe1 : 1 nozzle - MSe2 : 2 nozzles...

  • Page 8: Pre-Install

    MSe1 or MSe2 Fog Generator Pre-Install Environmental Requirements • 0 ºC to 50 ºC (32 ºF to 122 ºF) operating temperature • 2 m (6.5 ft) clearance on all sides and in front of the equipment required. • Wall-mounting hardware (not provided) must support 22.4 kg (49.2 lb) on four suspension points (see Dimensions paragraph).

  • Page 9: Unpacking

    Upon arrival, carefully inspect the containers for any shipping damage. CAUTION If ANY damage is found, immediately report it to the freight service and to MDG Fog within 24 hours. When opening the container, ensure that you do not damage the exterior finish of the enclosure. Save all packing material for eventual equipment factory return.

  • Page 10: Installing The Mse1 Or Mse2

    Typical installation If the fog generators (Se1, Se2, De2, De4, MSe1 or MSe2) are at the same elevation than the pressurized reservoir PFR or if the distance is below 100 meters, the fog generators can be connected directly to the PFR.
  • Page 11 MSe1 or MSe2 Fog Generator If the fog generators (Se1, Se2, De2, De4, MSe1 or MSe2) are positioned at a higher elevation than the PFR (more than 3 meters) or if the distance is over 100 meters, you may be obliged to separate the gas line for the fog generators, and increase the pressure of the PFR to compensate the pressure of the fluid column (elevation) or the pressure drop due to friction (see also the PFR User Guide).

  • Page 12: Installation

    Install the 1/4” NPT male connector (Elbow or Straight) on the Fluid input STEP 3: AC Power cable On the bottom side of the MSe1 or MSe2 Fog generator, insert the AC cable, and then connect it to the internal terminal. Ground chassis...
  • Page 13 STEP 5: Connect the Modbus cable (if required) MDG Products are using Modbus RTU protocol over RS-485 in 2 wire transmission mode (half-duplex). In this mode, TXD+ and RXD+, on the Master device, are wired together to TXD+ and RXD+ on the Slave device(s).

  • Page 14: Working With The Fog Generator

    MSe1 or MSe2 Fog Generator Working with the Fog Generator The MDG MSe1 or MSe2 Fog Generator is quite easy to operate and requires no preventive maintenance. Switch On the power. The MDG Fog generator will display, on the LCD, during four (4) seconds, the following message:...

  • Page 15: The Keyboard

    MSe1 or MSe2 Fog Generator The Keyboard The user can scroll in the menu by using the buttons of the keyboard: ‘Down’ moves the selection to the next menu or decrease a data value. • When at the end of a list, the program moves back to the first item of this list.

  • Page 16: Menu Tree

    Status Menu summarizes all the state of the fog generator. None of its sub menus can be modified. • Control Menu allows the user to control locally the MDG MSe1 or MSe2. All its sub menus can be set, as long as the generator is not in Modbus or PLC mode.
  • Page 17 MSe1 or MSe2 Fog Generator The tree menu architecture is explained below. Items highlighted in blue are state menu ( - ), and those highlighted in yellow are control menu ( > ). STATUS Status menu Status State STATE ----...
  • Page 18 MSe1 or MSe2 Fog Generator INTERFACE Modbus Menu Communication toggle COMM. ---- LOCAL - the generator is controlled by the keyboard ONLY MODBUS - the generator is controlled by MODBUS ONLY - the generator is controlled by PLC (In/Out) ONLY...

  • Page 19: Operating Instructions

    When powering up the generator, the control program configures the Input/Output, and loads the configuration parameters saved in the EEPROM memory. At this point, the MDG MSe1 or MSe2 switches to stand-by mode, and most of the electronic controls are off.

  • Page 20: Shut Down Procedure

    FAIL state mode is initiated if any critical error occurs. In this state, the MDG MSe1 or MSe2 is off, awaiting an action from the user. A critical error is always displayed in the Status Menu («STATUSERROR»), as well as the five (5) last critical errors («STATUSLAST ERR»),...
  • Page 21 MSe1 or MSe2 Fog Generator • ERROR = T. HIGH LAST ERR CODE = 4 This error will occur if the temperature of the heating module is too high. This is generally due to an electronic problem. Shut down the generator and restart it.

  • Page 22: Digital Plc Control

    The input Channels are ON when the control signal is at a high level («Active High»). The Output Channels are activated, when the output signal is at a high level («Active High»). The MDG MSe1 or MSe2 provides a fast way to check the communication mode: PLC Mode...

  • Page 23: Modbus Control

    • You need to integrate a flow code in your system to be able to discuss with the MDG MSe1 or MSe2, This can be as simple as few buttons and control lights on a console up to a full Web HMI via a phone.
  • Page 24 MSe1 or MSe2 Fog Generator The MDG MSe1 or MSe2 Fog Generator acts as a MODBUS slave and any transmitted bytes are interpreted according to MODBUS specification (www.modbus.org). Data is transmitted in packets, so-called frames, with a maximum of 256 bytes in length.
  • Page 25 MSe1 or MSe2 Fog Generator The Modbus block parameters implemented in the MDG MSe1 or MSe2 Fog Generator are summarized in the following table: Read Command Data Access Address Type Size Scale Unit Description Write Status 000001 bool R / W...

  • Page 26: Bootloader

    MSe1 or MSe2 Fog Generator Bootloader The MDG MSe1 or MSe2 Fog Generator uses a BootLoader, also called boot manager. This program is a firmware (software embedded in a hardware device) located into the non-volatile memory of the microcontroller unit (MCU) that allows in-circuit reprogramming of the device using its USB communication port.

  • Page 27: Fog Fluid

    Depressurize the fluid reservoir by turning off the pressure switch. Wait 2 minutes for complete depressurization of the fluid reservoir. • Now, unscrew the brass closure located on top of the fluid reservoir and slowly pour the MDG Neutral Fog Fluid until it reaches the inside bottom of the opening. •...

  • Page 28: Troubleshooting

    MSe1 or MSe2 Fog Generator Troubleshooting Contact MDG if symptoms are not listed, or if the provided solutions fail to resolve the issue. Table 2: Symptoms and Solutions Symptoms Probable Causes and Suggested Actions • Verify that AC power cord is properly connected The fog generator does not switch on on both ends.
  • Page 29 MSe1 or MSe2 Fog Generator Symptoms Probable Causes and Suggested Actions • If you are in Modbus mode: • Verify the cable • Verify the Modbus Slave address and the patch • Verify Baudrate, and parity • ERROR = P. LOW «...
  • Page 30 MSe1 or MSe2 Fog Generator Symptoms Probable Causes and Suggested Actions • ERROR = T. HIGH • Restart the generator. This is generally due to an electronic problem. • ERROR = T. SAF • Restart the generator. This is generally due to an electronic or sensor problem.

  • Page 31: External Fluid Reservoir

    MSe1 or MSe2 Fog Generator External Fluid Reservoir 25 Litres (6.6 US gal.) Brass closure Pressure Switch Fluid Switch Pressurized Gas Output Gas input Pressurized Fluid Maximum input pressure: Output 690 kPa / 100 psi Reservoir Drain 6,5 Litres (1.66 US gal.)

  • Page 32: Technical Specifications

    Particle size: 0.5 to 0.7 microns Fluid consumption: MSe1: 1.2 L (0.31 US gal.) per hour at 345 kPa / 50 psi MSe2: 2.4 L (0.62 US gal.) per hour at 345 kPa / 50 psi Fluid type: MDG Neutral...

  • Page 33: Dimensions

    MSe1 or MSe2 Fog Generator Dimensions MDG MSe1 User Guide, Rev: A/b, January 2020 33 / 38...

  • Page 34: Mdg Mse2

    MSe1 or MSe2 Fog Generator MDG MSe2 User Guide, Rev: A/b, January 2020 34 / 38...

  • Page 35: Installation

    MSe1 or MSe2 Fog Generator Installation User Guide, Rev: A/b, January 2020 35 / 38...

  • Page 36: Warranty

    MDG or one of its authorized service centres, or if it is used under conditions for which it has not been designed, or if any other fluid than the MDG Neutral Fog Fluid has been used. MDG Fog Generators Ltd is not responsible for any damages resulting from a faulty installation or from abusive use of the product.

  • Page 37: Declaration Of Conformity

    MSe1 or MSe2 Fog Generator Declaration of conformity User Guide, Rev: A/b, January 2020 37 / 38...

  • Page 38: Notes

    MSe1 or MSe2 Fog Generator Notes User Guide, Rev: A/b, January 2020 38 / 38...

This manual is also suitable for:

Mse2

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