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BACHARACH MGS-401 Entrance Monitor

for Commercial & Industrial Applications

Fixed Gas Detection

P/N: 1100-2527

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Revision 1.0

User

Manual

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Summary of Contents for BACHARACH MGS-401

Page 1: ...BACHARACH MGS 401 Entrance Monitor for Commercial Industrial Applications FixedGasDetection P N 1100 2527 Revision 1 0 User Manual...

Page 2: ...arach com SERVICE POLICY MSA Bacharach Inc maintains a service facility at the factory Some MSA Bacharach distributors agents may also have repairfacilities however MSA Bacharach assumes no liability...

Page 3: ...s of this manual for important information on the operation and maintenance of the instrument 1 2 Conventions 1 2 1 Iconography Alert Icon Description WARNING Potentially hazardous situation which if...

Page 4: ...r applications Make sure the device is not located in areas that contain a flammable mixture of gas and air Otherwise an explosion can occur The device is not intrinsically safe Do not use the device...

Page 5: ...Entrance Monitor is but one piece of a complete gas detection system MGS 400 Series Gas detectors in the monitored area can signal via digital bus relays and or audible and visual output The digital M...

Page 6: ...ltitude 6560 ft 2000 M Communications RS485 Modbus RTU Client for Gas Detectors RS485 Modbus RTU Server for BMS Visual Audible Signals Integrated high output visual strobe Integrated high output audib...

Page 7: ...01 User Manual 2 4 Front Panel Figure 2 4 Front Panel Layout Front Panel Description 1 Integrated visual alarm in bezel 2 Controller Power Fault LEDS 3 Mute alarm button 4 80dB Alarm 5 NPT Cable Gland...

Page 8: ...igure 2 5 MGS 401 Under Lid Connections and Configuration Component Description 1 24VAC DC Input Output 2 Modbus to Gas Detectors 3 Modbus to BMS 4 Remote Silence Alarm Input 5 Forced Alarm Input 6 Au...

Page 9: ...he area where the MGS family gas detection instrument s is installed Failure to follow these warnings can result in serious bodily injury or death 3 2 Preliminary Inspection The MGS 401 Entrance Monit...

Page 10: ...r conductors used to supply mains meet all local electrical safety codes Failure to follow these warnings can result in serious bodily injury or death Locate the 24VAC DC power input terminal block It...

Page 11: ...y be connected is a normally open connection The pushbutton in a remote location is used for personnel to silence the audible alarm momentarily with visual alarms still activated The audible alarm wil...

Page 12: ...ed to configure the BMS Modbus Server settings when use with higher level controls Please refer to Modbus best practice when making these choices It is important ALL of the following instrument settin...

Page 13: ...bus Termination Please refer to Modbus best practice when making these choice The default is Not Enabled or OFF 2 Bank 2 Switches 2 and 3 are used to configure the number of sensors the MGS 401 is exp...

Page 14: ...6 Hex Head screws in and X pattern from top left to lower right upper right to lower left and then the remaining center top and bottom screws Torque all screws to 15 to 20 lbf in 1 5 to 2 0 Nm 5 Powe...

Page 15: ...system the MGS 401 Entrance Monitor will display that information on the LCD and respond with audible and visual alarms configured relay response and other countermeasures that are connected or config...

Page 16: ...ing the Silence button on the MGS 401 front panel 3 consecutive times within 3 seconds The System screen will show some of the configuration of the MGS401 In addition it will display any MGS 401 Fault...

Page 17: ...BACHARACH MGS 401 User Manual 7 Modbus Map...

Page 18: ...BACHARACH MGS 401 User Manual...

Page 19: ...mpanied by an RMA Pack the equipment securely in its original packing if possible as MSA Bacharach cannot be held responsible for any damage incurredduring shipping to our facility Location Contact In...

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