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Fixed Gas Detection

P/N: 1100-2295

| February 2020 Revision 1

Gas Detection Controller

for Commercial & Industrial Applications

User

Manual

Содержание MGS-408

Страница 1: ...Fixed Gas Detection P N 1100 2295 February 2020 Revision 1 Gas Detection Controller for Commercial Industrial Applications User Manual ...

Страница 2: ... com SERVICE POLICY Bacharach Inc maintains a service facility at the factory Some Bacharach distributors agents may also have repair facilities however Bacharach assumes no liability for service performed by anyone other than Bacharach personnel Repairs are warranted for 90 days after date of shipment sensors pumps filters and batteries have individual warranties Should your analyzer require non ...

Страница 3: ... 3 3 Suitable Appropriate Locations 10 3 4 Mounting the Gas Detection Controller 10 3 5 Electrical Wiring 11 3 6 Communications Connections 12 3 6 1 MGS 408 Gas Detection Controller Network 12 3 6 2 Integration with Building Management System 13 3 7 Connecting External Alarms 14 3 7 1 Overview 14 3 7 2 Connection Procedure 14 Operation 15 4 1 Overview 15 4 1 1 Main Function 15 4 1 2 Power Up 15 4 ...

Страница 4: ...rd Requirements 25 4 4 3 Data Logging Menu 25 MODBUS 27 5 1 MODBUS Overview 27 5 1 1 MASTER BAUD RATE 27 5 1 2 SLAVE NODE ADDRESS 27 5 1 3 SLAVE BAUD RATE 28 5 1 4 SLAVE PARITY 28 5 1 5 SLAVE STOP BIT 28 5 1 6 SLAVE TERMINATION 28 5 2 MODBUS Registers 29 Diagnostics Troubleshooting 36 6 1 Diagnostic Menu 36 6 1 1 DISPLAY CURRENT FAULT 36 6 1 2 DISPLAY LAST FAULT 37 6 1 3 CLEAR FAULT 37 6 1 4 CLEAR...

Страница 5: ...100 2295 Rev 1 d MGS 408 User Manual Additional Information 41 7 1 Disposing of Instrument 41 7 2 Technical Specifications 41 Parts and Accessories 42 8 1 Part Numbers 42 8 2 Service Center Locations 43 ...

Страница 6: ...t carefully read and strictly follow the instructions in the manual Ensure that all product documentation is retained and available to anyone operating the instrument 1 2 Conventions 1 2 1 Short Form Instructions This document uses a short form for describing steps e g executing a command Example Clearing the current fault Short Form Instructions Main Menu Diagnostics Clear Fault press OK to clear...

Страница 7: ...nstructions in the manual Ensure that all product documentation is retained and available to anyone operating the instrument DANGER This instrument is neither certified nor approved for operation in oxygen enriched atmospheres Failure to comply may result in personal injury or death WARNING Under no circumstances should this product be operated without connection to a protective ground Failure to ...

Страница 8: ...oved will void the warranty CAUTION In case of malfunction DO NOT continue to use this equipment if there are any symptoms of malfunction or failure In the case of such occurrence de energize the power supply and contact a qualified repair technician or the nearest Bacharach Service Center CAUTION Use ONLY the provided cable glands for electrical and communication wiring Drilling into the box will...

Страница 9: ...s of the sensor Power Low alarm High alarm Fault The LCD screen will display the current gas reading and gas type for the selected channel or will indicate fault and or alarm status The LCD screen is also used for configuration of the MGS 408 via the integrated keypad In addition to the LED alarm status the MGS 408 includes an integrated audible alarm An optional beacon can be installed mounted in...

Страница 10: ...NOT use this instrument in locations classified as hazardous because it has not been designed to be intrinsically safe for use in such areas 2 2 Intended Use The MGS 408 provides audio visual alerts and information pertaining to the status of a centralized gas detector network This information allows concise at a glance notification of any alarm or fault status regarding a connected gas detector l...

Страница 11: ...s RTU Master for Gas Detectors Diagnostic Status LEDs y Controller power fault y Gas Detectors power fault low alarm high alarm Outputs y 3 Relays fault low alarm high alarm Fail safe Option y RS485 Modbus RTU Slave Optional y External Beacon red blue green yellow Data Logging Via supplied 32GB SD card will hold up to 10 years of logged data User Interface LCD Display screen Integrated keypad ...

Страница 12: ... SDHC memory cards formatted to FAT 32 with a maximum capacity of 32GB DOWNLOAD INSTRUCTIONS For more detailed product information and an installation guide scan here or visit www mybacharach com to access the MGS 408 User Manual P N 1100 2295 and Quick Start Guide P N 1100 2292 Component Description Component Description 1 AC Power Terminal Block 8 High Alarm Relay 2 Power Supply 9 Fault Relay 3 ...

Страница 13: ...ANT Bluetooth LED indicates when a downstream sensor has established a connection with the MGS 400 App 2 5 Communication Features The MGS 408 Gas Detection Controller features full two way communications via an RS 485 interface MODBUS RTU is the communication protocol standard The controller can be configured as a modbus master and be the centralized location for all eight gas sensors or be the mo...

Страница 14: ...king inside the monitor CAUTION Drilling holes in the MGS 408 Gas Detection Controller enclosure may damage the unit and will void the warranty Please use provided cable glands for electrical connections CAUTION The MGS 408 Gas Detection Controller contains sensitive electronic components that can be easily damaged Be careful not to touch or disturb any of these components 3 2 Preliminary Inspecti...

Страница 15: ... See 3 6 1 MGS 408 Gas Detection Controller Network on page 12 The controller provides an interface by which you can monitor acknowledge alarms and observe conditions inside the mechanical room 3 4 Mounting the Gas Detection Controller The MGS 408 Gas Detection Controller should be installed plumb level and securely fastened to a rigid mounting surface The enclosure utilizes four mounting holes de...

Страница 16: ...conduit adapter Locate the AC power and Ground on the power input terminal block Secure the incoming AC power neutral white blue live black brown and ground wires to the appropriate terminals using a screwdriver on the press to release tabs Figure 4 2 MGS 408 Wiring Diagram Description 1 24 V DC Out Connector to 24V DC Power Supply 2 RS 485 Modbus Connector to Gas Monitor 3 RS 485 Modbus Connector...

Страница 17: ...distance to the furthest gas detector NOTE Recommended cable for Modbus and sensor power is 16 20AWG Belden 3106A shielded twisted pair Power Requirements for Bacharach gas sensors Model Load W MGS 250 2 5 MGS 410 4 MGS 450 4 MGS 460 4 MGS 550 8 NOTE When using an MGS 550 Gas Detector with two sensors connected it will count as 2 channels on the controller The maximum distance to the furthest sens...

Страница 18: ... GND connection point 5 Connect the shield or drain wire to the SH connection point 6 Locate the Modbus RS 485 connectors in the MGS 408 Gas Detection Controller The left Modbus RS 485 connector labeled Detectors is for down line slave devices includes a dedicated shield position and the right Modbus RS 485 connector labeled BMS is used to connect to master devices up line such as building managem...

Страница 19: ...7 2 Connection Guidelines CAUTION Use the remaining cable glands to gain access to the interior of the controller Drilling holes in the MGS 408 Gas Detection Controller enclosure may damage the unit and will void the warranty Locate the relay connectors Secure the wire leads to the connectors NOTE Power for the external alarms can be tapped off the AC IN connector NOTE The relay contacts are rated...

Страница 20: ...wer up the firmware revision level will be indicated on the LCD followed by an LED LCD and beacon self test The controller will then begin scanning connected detectors and display their reported gas concentration on the LCD and status information on the LED matrix 4 1 3 Channel Number Keys Pressing a Channel number key will bring up a scrollable channel detail screen with detector specific informa...

Страница 21: ...the characters provided for that character s place Use the left right Arrow keys to move the cursor to the next character When all character selections for the screen are completed press OK to accept the entries Figure 4 4 Example of Data Entry Required 4 2 Controller Setup Figure 4 5 MGS 408 Wiring Diagram Description 1 24 V DC Out Connector to 24V DC Power Supply 2 RS 485 Modbus Connector to Gas...

Страница 22: ...red for either normal or failsafe operation The default is normal meaning normally open contacts will close with the event corresponding the relay designation If fail safe is selected the relay will be normally energized and will be de energized with the relays designated event or a power failure To select the type of alarm for each relay f Main Menu CONTRLR CONFIG RELAYS press OK to access the Re...

Страница 23: ... CONFIG AV ALARM press OK to access the AV alarm setup menu f Press the Up Down arrows to select relay and then press OK The configuration type for the selected relay will begin to flash Figure 4 9 AV Alarm Setup 4 2 4 Fault Latching Fault latching defaults to DISABLED allowing the fault indication to clear the condition without user intervention When ENABLED the fault indication will persist afte...

Страница 24: ...uto dimming The brightness of front panel LEDs can be adjusted from 0 10 f Main Menu CONTRLR CONFIG LCD BRIGHTNESS press OK to access the brightness menu f Press the Right Left arrows to adjust the brightness press OK A full bright setting of 10 will be visible from a long distance but may be too bright when the user is operating the keypad For this reason when the keypad is in use the LED brightn...

Страница 25: ...rotected to prevent the unauthorized editing of setup parameters When password protection is enabled an operator may still navigate between screens to observe settings or monitor network status The unit is shipped with password protection OFF Entering a 3 digit non zero password enables password protection After protection is enabled the user will be prompted to enter the password when an attempt ...

Страница 26: ...rforming a reset f Main Menu CONTRLR CONFIG FACTORY RESET press OK to perform a factory reset f Press press OK to proceed X to exit Figure 4 15 Factory Reset 4 2 10 Update Firmware When updated firmware is available it can be installed via the SD card Select SD EJECT from the DATA LOGGING menu and remove the SD card Using a PC or Laptop rename the new firmware image file to MGS408 txt and copy it ...

Страница 27: ... a firmware update f Press press OK to proceed X to exit Figure 4 16 Firmware Screen Figure 4 17 Firmware Reset 4 3 Channel Summary and Setup Pressing a CH X key from the Channel Configuration screen will bring up a channel summary screen with detailed information collected from the gas detector assigned to that channel Figure 4 18 Channel ...

Страница 28: ...arameter set to ON or OFF enables or disables the monitoring of the gas detector assigned to that channel When set to ON the controller will attempt to collect data every five seconds from the gas detector type and at the node address specified in the corresponding channel parameters Successful communication will be indicated with a solid green LED next to the channel number key Each time data is ...

Страница 29: ...tor must have a unique node address see detector instruction manual for how to set the detector node address f Press the CH X key twice CH X ADR XXX press OK to set the node address f Refer to the detector instruction manual for the correct setting for the detector node address press the arrow keys to select the correct setting press OK NOTE Select the node address corresponding to the detector as...

Страница 30: ...hich can be opened directly in Microsoft Excel Row 1 will contain a descriptive header for each column The supplied 32Gb SD card can hold up to 10 years of log data 4 4 2 SD Card Requirements The MGS 408 comes with a 32 GB SD card installed which can hold up to 10 years worth of log data A compatible SD card will have 32 GB or less capacity and be formatted in the FAT32 format 4 4 3 Data Logging M...

Страница 31: ...st of faults in English f Main Menu DATA LOGGING press OK to view the fault codes f Press OK to select a fault and display a suggested remedy SD card specific faults include y SD CARD MISSING 01 y SD FILE FAIL 10 y SD POWER FAIL 02 y SD WRITE FAIL 20 y SD CARD FULL 04 y SD CAP READ 40 y SD MOUNT FAIL 08 y SD WRITE PROTECT FAIL 80 4 4 3 5 LAST FLT XX This item displays a two digit fault history cod...

Страница 32: ...ONFIG menu Figure 5 1 MODBUS Menu 5 1 1 MASTER BAUD RATE Slave devices gas detectors communicate with the master device MGS4088 Controller at this baud rate either 9600 default or 19200 f Main Menu MODBUS CONFIG MASTR BAUD press OK to change the Master BAUD f Press the arrow keys to select entry press OK 5 1 2 SLAVE NODE ADDRESS This is the Modbus node address 1 247 that the upstream BMS will need...

Страница 33: ...ange the Slave parity f Press the arrow keys to select entry press OK 5 1 5 SLAVE STOP BIT The number of stop bits 1 or 2 must match the BMS setting f Main Menu MODBUS CONFIG SLAVE STOP X press OK to stop bits f Press the Up Down arrow keys to select entry press OK 5 1 6 SLAVE TERMINATION A 120 ohm termination resistor can be enabled on the BMS connection This is typically only required for cable ...

Страница 34: ...sor specific R X 30007 Sensor 1 sensor fault code Sensor 1 Sensor specific R X 30008 Sensor 1 C Sensor 1 Sensor specific R X 30009 Sensor 1 Cal expired flag Sensor 1 0 Cal Valid 1 Cal expired R X 30010 Sensor 1 Low alarm flag Sensor 1 0 No alarm 1 Alarm R X 30011 Sensor 1 High alarm flag Sensor 1 0 No alarm 1 Alarm R X 30012 Sensor 1 Saturation flag Sensor 1 0 Unsaturated 1 Saturated R X 30013 Sen...

Страница 35: ...ers R X 30027 Sensor 1 SID Text Char 7 8 Sensor 1 ASCII characters R X 30028 Sensor 1 UID Text Char 1 2 Sensor 1 ASCII characters R X 30029 Sensor 1 UID Text Char 3 4 Sensor 1 ASCII characters R X 30030 Sensor 1 UID Text Char 5 6 Sensor 1 ASCII characters R X 30031 Sensor 1 UID Text Char 7 8 Sensor 1 ASCII characters R X 30032 Sensor 1 Alias Text Char 1 2 Sensor 1 ASCII characters R X 30033 Sensor...

Страница 36: ...or 3 Concentration Sensor 3 R X 31003 Sensor 4 Concentration Sensor 4 R X 31004 Sensor 5 Concentration Sensor 5 R X 31005 Sensor 6 Concentration Sensor 6 R X 31006 Sensor 7 Concentration Sensor 7 R X 31007 Sensor 8 Concentration Sensor 8 R X 31032 Sensor 1 Fault code high bytes Sensor 1 R X 31033 Sensor 1 Fault code Sensor 1 R X 31034 Sensor 2 Fault code high bytes Sensor 2 R X 31035 Sensor 2 Faul...

Страница 37: ...D Char 1 2 Controller related ASCII characters R W 40007 Controller UID Char 3 4 Controller related ASCII characters R W 40008 Controller UID Char 5 6 Controller related ASCII characters R W 40009 Controller UID Char 7 8 Controller related ASCII characters R X 40010 16 bit Current Fault Code Controller Controller related 0 65535 R X 40011 16 bit Last Fault Code Controller Controller related 0 6553...

Страница 38: ...switch values R W 40023 Buzzer enable Controller related 0 Disabled 1 enabled R W 40024 Data Logging Enabled Controller related 0 Disabled 1 enabled R W 40025 Fault Latching Enabled Controller related 0 Disabled 1 enabled Read Write Register Address Func Code 03 06 read preset Item Group Notes R X 40020 Controller 3 3V supply voltage x100 Diagnostics 330 3 30V R X 40021 Controller temperature x100...

Страница 39: ...6 R X 10039 Sensor 7 High Alarm Flag 0 or 1 alarm Sensor 7 R X 10040 Sensor 8 High Alarm Flag 0 or 1 alarm Sensor 8 R X 10065 Sensor 1 Any Alarm Flag 0 or 1 alarm Sensor 1 R X 10066 Sensor 2 Any Alarm Flag 0 or 1 alarm Sensor 2 R X 10067 Sensor 3 Any Alarm Flag 0 or 1 alarm Sensor 3 R X 10068 Sensor 4 Any Alarm Flag 0 or 1 alarm Sensor 4 R X 10069 Sensor 5 Any Alarm Flag 0 or 1 alarm Sensor 5 R X ...

Страница 40: ...m Group 00004 Relay Closed Test Setting this flag to one closes all 3 relays simultaneously for 5 seconds At the end of the test the relays revert to their normal operation During the test the Modbus flag will remain ON When the test is completed the flag will turn OFF DYN 00005 Relay Opened Test Setting this flag to one opens all 3 relays simultaneously for 5 seconds At the end of the test the re...

Страница 41: ...ppears on the second page of the main menu f Main Menu DIAGNOSTICS press OK to access the Diagnostic menu Figure 6 1 Diagnostic Menu 6 1 1 DISPLAY CURRENT FAULT Displays the current active controller fault code along with a list of fault descriptors f Main Menu DIAGNOSTICS CURRENT FAULT press OK to access the current active controller fault code f Use the Up Down arrows to select a descriptor then...

Страница 42: ...LEAR LAST FAULT Resets the historical last fault code to zero Use to find recurring intermittent fault conditions f Main Menu DIAGNOSTICS CLEAR LAST FAULT press OK twice to reset the last fault code 6 1 5 CLEAR LAST SD FAULT Resets the historical SD card fault code Use to find recurring intermittent fault conditions with the SD card or data logging f Main Menu DIAGNOSTICS CLR LAST SD FAULT press O...

Страница 43: ...register address requested ADDR and any errors or exceptions on the bottom line 6 1 8 MODBUS MASTER Displays the live Modbus traffic for each channel Use when troubleshooting communication problems with detectors on the slave network f Main Menu DIAGNOSTICS MODBUS MASTER press OK to troubleshoot MODBUS communication problems f Use the Up Down arrows to switch channel numbers then press OK to clear...

Страница 44: ...US SLAVE traffic screen to diagnose 0080 BLE EEPROM Error configuring Bluetooth transceiver Reset or Reboot controller if fault persists consult factory 0100 BT SLAVE BUF Buffer overflow communicating with Bluetooth APP Use MODBUS SLAVE traffic screen to diagnose 0200 STUCK KEY ERROR On or more keys on the keypad are stuck down Use KEYPAD TEST to determine stuck key consult factory 0400 CONFIG ERR...

Страница 45: ... access the relay test f Manually toggle each relay using the CH key indicated 6 3 2 LED TEST f Main Menu SYSTEM TESTS LED TEST press OK to access the LED test f Press OK all front panel LEDs should illuminate 6 3 3 KEYPAD TEST f Main Menu SYSTEM TESTS KEYPAD TEST press OK to access the keypad test f Press a CH key designation will be indicated on the screen for each key pressed 6 3 4 STROBE TEST ...

Страница 46: ...ld appliances can be disposed of using special collecting and recycling facilities However this device has not been registered for household usage Therefore it must not be disposed of through these channels The device can be returned to your national Bacharach Sales Organization for disposal Contact Bacharach if you have any questions 7 2 Technical Specifications Model Load W Number of Channels 1 ...

Страница 47: ... Optional strobe mounts directly onto MGS 408 red lens 1100 2308 Optional strobe mounts directly onto MGS 408 green lens 1100 2309 Optional strobe mounts directly onto MGS 408 blue lens 1100 2310 Optional strobe mounts directly onto MGS 408 yellow lens 3015 8046 External Beacon red lens MP120K 120V AC adapter 3015 8047 External Beacon green lens MP120K 24V AC adapter 3015 8048 External Beacon red ...

Страница 48: ...Location Contact Information Shipping Address United States Phone 1 724 334 5000 Toll Free 1 800 736 4666 Fax 1 724 334 5001 Email help mybacharach com Bacharach Inc 621 Hunt Valley Circle New Kensington PA 15068 USA ATTN Service Department Europe Phone 353 1 284 6388 Fax 353 1 284 6389 Email help mybacharach com Bacharach Inc Unit D12 D13 Santry Business Park Swords Road Santry Dublin Ireland ATT...

Страница 49: ...1100 2295 Rev 1 44 MGS 408 User Manual THIS PAGE LEFT BLANK INTENTIONALLY ...

Страница 50: ...1100 2295 Rev 1 45 MGS 408 User Manual THIS PAGE LEFT BLANK INTENTIONALLY ...

Страница 51: ...1100 2295 Rev 1 46 MGS 408 User Manual THIS PAGE LEFT BLANK INTENTIONALLY ...

Страница 52: ...Bacharach Inc 621 Hunt Valley Circle New Kensington PA 15068 USA Pittsburgh PA USA Dublin IRE Stanardsville VA USA Toronto CAN www mybacharach com help mybacharach com ...

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