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1100-2294 Rev 1 

34 

5. Care & Maintenance 

5.1 Maintenance Intervals 

Interval 

Function 

During 

Commissioning 

Check calibration. 

Check LEDs for proper operation.* 

Check for proper buzzer and relay operation.* 

Check signal transmission to the BMS/BAS 

(central controller)

 if 

connected.* 

Every 6-12 

Months** 

Inspection by trained service personnel. 

Check LEDs for proper operation.* 

Check for proper buzzer and relay operation.* 

Check signal transmission to the BMS/BAS 

(central controller)

 if 

connected.* 

Calibrate the sensor or contact Bacharach for sensor exchange with 
factory

calibrated sensor. 

As Required 

Replace sensor module

(s)

 

*  

Feature may be activated via Modbus commands or MGS-400 App. 

**  

Typical maintenance frequency may vary by sensor type. 

 

 

Содержание MGS-400

Страница 1: ...1100 2294 Rev 1 1...

Страница 2: ...registration 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 ser...

Страница 3: ...Diagnostic Status LED 10 2 5 Configurable Output Signals 10 2 6 User Interface 10 2 7 Technical Specifications 10 2 8 Components 13 2 8 1 MGS 410 Components 13 2 8 2 MGS 450 Components 14 2 8 3 MGS 4...

Страница 4: ...Application 26 4 2 1 Enable Bluetooth Connection 26 4 2 2 Checking Status 26 4 2 3 Instrument Configuration 28 4 2 3 1 Change Alias 28 4 2 3 2 Change Unlock Code 28 4 2 3 3 Change Bluetooth Passcode 2...

Страница 5: ...dditional Information 43 6 1 Sensor Principle 43 6 1 1 Electrochemical Sensors 43 6 1 2 Catalytic Bead Sensors 43 6 1 3 Semiconductor Sensors 44 6 1 4 Infrared Sensors 44 6 2 Disposing of the Instrume...

Страница 6: ...Compatibility Clear Special States 51 6 4 9 Integration User Tasks 51 7 Ordering Information 52 7 1 Part Numbers 52 7 1 1 MGS 400 Gas Detector Configurations 52 7 1 2 MGS 400 Series Accessories 54 7 2...

Страница 7: ...ate enter Unlock Code Steps Required 1 Open the Home Tab 2 Select Calibrate 3 When prompted enter the Unlock Code to access calibration screen 1 2 2 Iconography Alert Icon Description Danger Imminentl...

Страница 8: ...ensure continued accuracy WARNING This product must be recalibrated if installed in a non room condition environment i e temperature or humidity extremes WARNING The gas diffusion path can become occl...

Страница 9: ...of Electrical Devices WARNING Before connecting this instrument to electrical devices not mentioned in this manual consult the manufacturer or a qualified professional Failure to comply may result in...

Страница 10: ...ure to comply may result in EXPLOSION WARNING This instrument has not been designed to be intrinsically safe for use in areas classified as being hazardous locations For your safety DO NOT use it in h...

Страница 11: ...tions include the following MGS 410 MGS 450 MGS 460 Digital Output Modbus RTU signal MGS 450 MGS 460 3 Relays high alarm low alarm fault MGS 450 MGS 460 1 Analog Output 4 to 20 mA 0 to 5 V 0 to 10 V 1...

Страница 12: ...ers Power Supply and Relays Operating Voltage 19 5 to 28 5 VDC 24 VAC 20 50 60 Hz Inrush Current 1 5 A Operating Current Max MGS 410 2W 85mA 24VDC MGS 450 60 4W 170mA 24VDC Relay Rating 3 SPDT 1A at 3...

Страница 13: ...50 1lb 1oz 480 g MGS 460 1lb 11 7oz 758 g Environmental Temperature 40 to 120 F 40 to 50 C Storage Temperature 5 to 100 F 20 to 40 C Humidity 5 to 90 RH non condensing 15 to 90 RH non condensing EC se...

Страница 14: ...ions so that the electronics are not damaged 2 8 1 MGS 410 Components Component Description Component Description 1 M16 Cable Glands 4 7 Ribbon Cable Connection To Sensor 2 Rubber Gasket 8 Power Conne...

Страница 15: ...2 Rubber Gasket IP66 Version Only 10 Relay 3 Connection FAULT 3 Internal Alarm Buzzer 11 Relay 2 Connection HIGH 4 Power Connections 2 12 Relay 1 Connection LOW 5 Digital Connection Modbus 13 Magnetic...

Страница 16: ...Rubber Gasket 2 10 Relay 3 Connection FAULT 3 Internal Alarm Buzzer 11 Relay 2 Connection HIGH 4 Power Connections 2 12 Relay 1 Connection LOW 5 Digital Connection Modbus 13 Magnetic Switch 1 6 Analo...

Страница 17: ...physical characteristics of the gas or vapor to be detected The specifics of the application e g possible leaks air movement draft etc The degree of accessibility required for maintenance purposes The...

Страница 18: ...tion d Target Gas the specific gravity of the target gas when selecting the height of the instrument 2 Using a 5 32 4 mm hex key allen wrench not included remove the lid and disconnect the ribbon cabl...

Страница 19: ...RS 485 A non inverted MODBUS GND RS 485 GND MODBUS SH RS 485 Shield Analog Output Voltage or Current Output ANALOG Analog output ground ANALOG Analog output signal 2 Remove plugs from the correspondi...

Страница 20: ...tings the relays are de energized during normal operation not fail safe Fail safe mode can be configured When configured for fail safe operation relays are energized during normal operation Fail safe...

Страница 21: ...408 P N 1100 2295 At the central control system connect the shield of the wires to the earth ground of the controller e g the chassis the ground bus bar etc For 24 VDC installations the input is prote...

Страница 22: ...t Functionality After all wiring has been completed power the transmitter and perform a calibration bump test to verify instrument functionality 1 Switch power on 2 Allowing the instrument to complete...

Страница 23: ...on 2 Observe the start up sequence and warm up phase Green LED will blink at 0 5 HZ for about 5 minutes Modbus flag for warm up is set Buzzer is off Relay state is no alarm Gas reading is invalid 3 O...

Страница 24: ...N A 3 mA Drift Below Zero 0 95V N A 1 9V N A 3 8 mA Normal Operation 1 5V 0 5V 2 10V 0 10V 4 20 mA Measuring Range Exceeded 5 12V 5 12V 10 25V 10 25V 20 5 mA Fault on Analog Interface 5 25V 5 25V 10 5...

Страница 25: ...y 1 LOW Relay 2 HIGH Relay 3 Fault Warm up OFF OFF OFF Normal OFF OFF OFF Low Alarm ON OFF OFF High Alarm ON ON OFF Offline OFF OFF OFF Fault OFF OFF ON Negative Gas Fault OFF OFF ON Zero Cal Fault OF...

Страница 26: ...e functions of MAG 1 and MAG 2 The function of each switch depends on the current state of the instrument as indicated in the following table State Switch 1 Tap Switch 1 Hold Switch 2 Tap Switch 2 Hol...

Страница 27: ...will indicate that it is discoverable with audible heartbeat until it has been paired discovery has timed out or has been cancelled 2 Launch the MGS 400 App and click the Bluetooth icon at the bottom...

Страница 28: ...after power on or restart Normal Green Normal operation Low Alarm Yellow Gas measurement has exceeded low alarm setpoint High Alarm Red Gas measurement has exceeded high alarm setpoint Offline Orange...

Страница 29: ...ument must be restarted for change to take effect Home Tab Restart will reboot device Reconnect to instrument to confirm alias has been updated 4 2 3 2 Change Unlock Code To prevent unauthorized acces...

Страница 30: ...rized access and reconfiguration of instrument 4 2 3 5 Alarm Configuration Low Alarm Setpoint Value above which a low alarm condition occurs Low alarm setpoint must be less than the high alarm setpoin...

Страница 31: ...on is no longer active When latched the alarm or fault condition must be manually acknowledged before the condition will be cleared This allows transient alarm or fault conditions to be identified If...

Страница 32: ...ation resistor This is to reduce the potential for electrical signal reflection on long buses due to impedance mismatches Typically this requires a physical resistor with the same characteristic imped...

Страница 33: ...rms Alarm delays may be set for 0 15 minutes Alarm delay is configured as 0 minutes by default To set alarm delay Configure Tab Outputs Alarm Delay enter desired delay in minutes 0 15 select OK to con...

Страница 34: ...set to 20 the full analog output range only covers the first 20 of the gas measurement range i e 0 200 ppm will output 0 5V above 200 ppm the output will be truncated to 5V Note sensor resolution stay...

Страница 35: ...connected Every 6 12 Months Inspection by trained service personnel Check LEDs for proper operation Check for proper buzzer and relay operation Check signal transmission to the BMS BAS central control...

Страница 36: ...ood or to the outside of the building Zero First Then Span For proper operation never adjust the span before completing a zero adjustment Performing these operations out of order will cause faulty cal...

Страница 37: ...of synthetic air only if the area is known to be free of the target gas or any gas to which the sensor may be cross sensitive In this case no cylinder or calibration adapter is needed for the zero ad...

Страница 38: ...2 or O2 sensors calibration gas must be in a balance of air not nitrogen N2 IMPORTANT At elevations higher than 6 560 2 000 m calibration will result in a lower reading Above 6 560 the instrument shou...

Страница 39: ...are informed about the test and certain alarms might have to be inhibited e g shutdown valves notification of authorities etc 1 Connect adapter and gas cylinder according to the instructions in the G...

Страница 40: ...8 F 1 2 4 8 5 3 3 Fault Codes NOTICE If a sensor fault occurs during a gas alarm condition then the fault overrides the alarm condition Sensor faults may be decoded using the following table Note that...

Страница 41: ...or in internal Flash CRC 0x00000400 System Invalid Configuration Error in system configuration 0x00000800 GPIO fault Error detected on GPIO pin Call product support 0x00001000 Modbus Fault Error detec...

Страница 42: ...ld MAG 2 5 4 Sensor Maintenance CAUTION This product uses semiconductors which can be damaged by electrostatic discharge ESD When handling the PCB care must be taken so that the electronics is not dam...

Страница 43: ...g torque should be limited to hand tight and should be uniform 7 Power up the gas detector 8 After start up sequence has finished check sensor response bump test 5 5 Cleaning the Instrument Clean the...

Страница 44: ...ple The monitored air diffuses through the sintered metal disc into the sensor The mixture of combustible gases vapors and air are catalytically combusted at a heated detector element called a pellist...

Страница 45: ...in contact with the sensor surface Water vapor high ambient humidity temperature fluctuations and low oxygen levels can result in higher readings IMPORTANT Certain substances in the environment to be...

Страница 46: ...ssue 6 2 2 Disposing of Sensors Dispose of sensors in accordance with local laws DANGER Do not dispose of sensors in fire due to the risk of explosion and resulting chemical burns WARNING Do not force...

Страница 47: ...gned Integer 1099 Offline Mode Status Offline mode status 1100 Concentration FS 0 100 Gas concentration in full scale 1101 Concentration PPM PPB VOL LEL Concentration in display units 1102 Concentrati...

Страница 48: ...unit ppm 1 ppb 2 vol 3 lel 4 VOL LEL scale x10 i e 123 12 3 1126 Full scale PPM PPB VOL LEL Full scale in display units 1127 Local Low Alarm Set point PPM PPB VOL LEL Low Alarm in display units alias...

Страница 49: ...9 Alias Text Char 1 2 Alias Characters 16 character alias string XXXXXXXXXXXXXXXX 1150 Alias Text Char 3 4 1151 Alias Text Char 5 6 1152 Alias Text Char 7 8 1153 Alias Text Char 9 10 1154 Alias Text C...

Страница 50: ...elay 0 900 seconds Alarm on delay in seconds Range 0 900 secs i e 0 15 mins if hardware override write exception read dip 7 16 bit Unsigned Integer 2115 Alias Text Char 1 2 Alias Characters 16 char al...

Страница 51: ...100 16 bit Signed Integer 2809 Analog Output Value State Set value control state of analog output 0 Manual 1 Fault 2 Offline 3 Underflow 4 Overflow 5 PPM 16 bit Unsigned Integer 6 4 6 MGS Compatibilit...

Страница 52: ...sks Read Force Coil Function 01 05 Read Write 4100 Restart Force application restart Boolean 4101 Factory Reset Restore system settings to defaults 4102 Clear last faults Clear any fault flags held in...

Страница 53: ...062 6302 9062 CH4 0 100 LEL IR 6302 0053 6302 1053 6302 2053 6302 4053 6302 9053 CH4 0 5 000 ppm SC 6302 0302 6302 1302 6302 2302 6302 4302 6302 9302 CO 0 500 ppm EC 6302 0040 6302 1040 6302 2040 6302...

Страница 54: ...1 6302 2101 6302 4101 6302 9101 R 22 0 1 000 ppm SC 6302 0109 6302 1109 6302 2109 6302 4109 6302 9109 R 290 0 100 LEL IR 6302 0054 6302 1054 6302 2054 6302 4054 6302 9054 R 290 0 2 500 ppm SC 6302 031...

Страница 55: ...6302 9170 R 455A 0 1 000 ppm SC 6302 0172 6302 1172 6302 2172 6302 4172 6302 9172 R 507A 0 1 000 ppm SC 6302 0111 6302 1111 6302 2111 6302 4111 6302 9111 R 513A 0 1 000 ppm SC 6302 0158 6302 1158 630...

Страница 56: ...tion 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...

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