aquilar AquiTron AT-MGS-402 Installation & Operation Instructions Download Page 8 | Manualshive

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AT-MGS-402 User Manual

2.4 Front Panel

Figure 2-2 -

Front Panel Layout

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Front Panel Description

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Integrated visual alarm in bezel

2

Controller Power & Fault LEDS

3

Channel 1 and 2 mute alarm buttons

4

Power, Fault, Low Alarm, High Alarm LEDs; each channel

5

M16 Cable Glands

(×6)

6

M20 Cable Glands

(×2)

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Summary of Contents for AquiTron AT-MGS-402

Page 1: ...AquiTron INSTALLATION OPERATION INSTRUCTIONS AT MGS 402 Gas Detection Controller ...

Page 2: ...Communication Features 6 Installation 7 3 1 Warnings Cautions 7 3 2 Preliminary Inspection 7 3 3 Suitable Appropriate Locations 7 3 4 Mounting the Gas Detection Controller 8 3 5 Power Wiring 8 3 5 1 Connecting the Main 100 240 VAC Power 8 3 6 Sensor Output Modbus Connections 9 3 6 1 AT MGS 402 Gas Detection Controller Network 9 3 6 2 Integration with Building Management System 11 3 7 Connecting Ex...

Page 3: ... Gas Detection System Test 17 Modbus 19 5 1 Modbus Overview 19 5 1 1 SLAVE NODE ADDRESS 19 5 1 2 SLAVE BAUD RATE 19 5 1 3 SLAVE PARITY 19 5 1 4 SLAVE STOP BIT 19 5 1 5 SLAVE TERMINATION 19 5 2 Modbus Registers 19 Diagnostics Troubleshooting 24 6 1 FAULT CODES 24 Additional Information 25 7 1 Disposing of Instrument 25 7 2 Technical Specifications 25 Parts and Accessories 27 8 1 Part Numbers 7 ...

Page 4: ...product or environment It may also be used to alert against unsafe practices IMPORTANT Additional information on how to use the product IMPORTANT Before using this product 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 Introduction 1 1 About this Manual Thank you for investing in...

Page 5: ...id 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 contact Aquilar on 01403 216100 CAUTION Use ONLY the provided cable glands for electrical and communication wiring Drilling into the box will void the warrant...

Page 6: ...status of the sensor Power Fault Low alarm High alarm The AT MGS 402 provides three relays fault low and high alarm status for connection to auxiliary systems ventilation or other equipment The AT MGS 402 has an integrated visual alarm of LEDs around the perimeter of the controller that will activate when a low or high alarm is received from either channel In addition the integrated audible alarm ...

Page 7: ...m or fault status regarding a connected gas detector located outside the monitored space as required by industry safety standards BS EN 378 ASHRAE 15 2 3 Design Features Power options 100 240 VAC 50 60 Hz 20 W max Provides power for up to 2 AT MGS 410 AquiTron gas detectors Output Communications RS485 Modbus RTU Master for Gas Detectors RS485 Modbus RTU Slave for BMS Diagnostic status LEDs Control...

Page 8: ...re 2 2 Front Panel Layout Front Panel Description 1 Integrated visual alarm in bezel 2 Controller Power Fault LEDS 3 Channel 1 and 2 mute alarm buttons 4 Power Fault Low Alarm High Alarm LEDs each channel 5 M16 Cable Glands 6 6 M20 Cable Glands 2 ...

Page 9: ...Alarm 12 M20 Cable Glands 2 6 Fault Relay 13 M16 Cable Glands 6 7 High Alarm Relay 2 6 Communication Features The AT MGS 402 Gas Detection Controller features full two way communications via an RS 485 interface Modbus RTU is the communication protocol standard The controller is configured as a Modbus master and can be the centralized controller for a two sensor gas network and also has a Modbus sl...

Page 10: ... been thoroughly inspected and tested prior to shipment from the factory Nevertheless it is recommended that the instrument be re checked prior to installation Inspect the outside of the enclosure to make sure there are no obvious signs of shipping damage Remove the top of the enclosure Visually inspect the interior of the enclosure for loose wires or components that may have become dislodged duri...

Page 11: ...r movement draft etc when selecting a location Accessibility the degree of accessibility required for maintenance purposes when selecting a location 2 Using a 4 mm hex key allen wrench not included remove the lid and disconnect the ribbon cable from the base 3 Set the lid and rubber gasket aside to be reinstalled later 3 5 Power Wiring 3 5 1 Connecting the Main 100 240 VAC Power The AT MGS 402 con...

Page 12: ...oller and the AT MGS 410 gas sensors and standard Modbus network limits The furthest distance the AT MGS 410 can be from the AT MGS 402 controller is 305M when using 20 16AWG conductors for the sensor power and Modbus connections 3 6 1 1 Connecting the 24 VDC Terminal Block When using the AT MGS 402 as the 24VDC power source of the AT MGS 410 gas sensors the power should be connected the following...

Page 13: ...ut on page 7 2 Using one of the M16 cable glands feed the Belden 3106A or equivalent cable through the cable gland and connect to the Modbus Sensor terminal in the following manner 3 Connect one lead to of the twisted pair note wire color to the B terminal 4 Connect the second lead of the twisted pair to the A terminal note wire color 5 Connect the ground to the GND terminal and then connect the s...

Page 14: ...re made the same as described above in section 3 6 1 but using the Modbus BMS terminal block item 3 in Figure 2 3 AT MGS 402 Layout on page 7 1 Locate the Modbus BMS terminal block in the AT MGS 402 2 Feed Belden 3106A or equivalent cable through one of the M16 cable glands item 13 in Figure 2 3 AT MGS 402 Layout on page 7 and connect to the appropriate terminals noting the color of the wire 3 Mak...

Page 15: ...g outputs can be wired using Belden 3106A or equivalent cable NOTE The relay contacts are rated 10A at 250VAC resistive load 3 8 Reinstalling AT MGS 402 Lid WARNING DO NOT leave excess cable inside the gas detector housing Failure to comply may result in damage to the product CAUTION When installing the sensor ribbon cable care must be taken to ensure the proper orientation of the connector at bot...

Page 16: ... Ribbon Cable Orientation WARNING DO NOT allow the lid sensor to hang from the ribbon cable Failure to comply may result in damage to the product 6 Ensure no cables are interfering with the sensor module and close the lid Using a 4mm hex key allen wrench tighten the lid screws in an X tightening pattern ...

Page 17: ...ont Panel Layout on page 7 will illuminate When the AT MGS 402 establishes communications with the AT MGS 410 controllers the Fault LED for the controller item 2 Figure 2 Front Panel Layout on page 7 will go from amber to not illuminated It can take up to 5 minutes for the AT MGS 410 Gas Detectors to warm up 4 1 3 Channel Number Keys Pressing a channel number key for five seconds on the front pane...

Page 18: ...owledge whether the AT MGS 402 will need to have the terminating resistor engaged Please see Modbus protocol for best practice Switch 1 Switch 2 MODBUS Setting Action MODBUS Address Setting 5 6 7 8 6 7 8 OFF Parity Disabled 10 OFF OFF ON ON Parity Enabled 20 OFF ON OFF OFF Even Parity 30 OFF ON ON ON Odd Parity 40 ON OFF OFF OFF 1 Stop Bit 50 ON OFF ON ...

Page 19: ...afe mode can be configured for each of the individual relays and is done using SW1 settings 1 2 and 3 If fail safe mode is desirable for the form C relays change settings to ON 4 2 2 2 Multiple MGS Gas Sensors Switch 2 setting 3 is enabled if a second AT MGS 410 sensor will be connected to the AT MGS 402 one sensor is default 4 2 2 3 Analog Outputs The 2 analog outputs can be configured to 4 20mA ...

Page 20: ...System Test After installation and power up of the AT MGS 402 Controller one should verify that the instrument and connected devices are functioning as intended The following steps should be considered in the commissioning 1 Inspect the AT MGS 402 Controller and verify the following Figure 4 2 Inspecting the AT MGS 402 AT MGS 402 AT MGS 410 Power LED is solid GREEN Fault LED is OFF AT MGS 402 AT M...

Page 21: ... 7 As a final system commissioning step apply calibration span gas to the connected AT MGS 410 Refrigerant Detector s so to place them into an alarm state Verify the proper function of the AT MGS 402 and AT MGS 410 audio visual alarm functions as well as verify the proper function of connected relay peripherals and analog and Modbus monitoring devices Though Aquilar recommends a full system test w...

Page 22: ...D RATE The AT MGS 402 controller will us this baud rate to communicate with the upstream BMS or Modbus master device either 9600 default or 19200 5 1 3 SLAVE PARITY This PARITY setting should match the BMS PARITY NONE EVEN or ODD 5 1 4 SLAVE STOP BIT The number of stop bits 1 or 2 must match the BMS setting 5 1 5 SLAVE TERMINATION A 120 ohm termination resistor can be enabled on the BMS connection...

Page 23: ...turated R X 30013 Sensor 1 Underflow flag Sensor 1 0 Normal 1 Underflow R X 30014 Sensor 1 Instrument Type code Sensor 1 1 MGS400 R W 30015 Sensor 1 Node Address Sensor 1 1 254 R X 30016 Sensor 1 Sensor Type code Sensor 1 Sensor specific R X 30017 Sensor 1 Concentration Units Sensor 1 1 ppm 2 ppb 3 VOL 4 LEL R X 30018 Sensor 1 Scale Factor Sensor 1 Power of 10 used on concentration divide conc by ...

Page 24: ... 7 8 Sensor 1 ASCII characters R X 30036 Sensor 1 Alias Text Char 9 10 Sensor 1 ASCII characters R X 30037 Sensor 1 Alias Text Char 11 12 Sensor 1 ASCII characters R X 30038 Sensor 1 Alias Text Char 13 14 Sensor 1 ASCII characters R X 30039 Sensor 1 Alias Text Char 15 16 Sensor 1 ASCII characters R X 30051 30100 SENSOR 2 DATA GROUP REPEAT OF SENSOR1 Sensor 2 R X 31000 Sensor 1 Concentration Sensor...

Page 25: ...roller related 0 255 R X 40014 Software Version Build Controller related 0 255 R W 40015 Relay 1 Contact Behavior Failsafe Controller related 0 Normal 1 Failsafe R W 40016 Relay 2 Contact Behavior Failsafe Controller related 0 Normal 1 Failsafe R W 40017 Relay 3 Contact Behavior Failsafe Controller related 0 Normal 1 Failsafe R X 40018 24V supply voltage x 100 Diagnostics 2400 24 00V R X 40019 24V...

Page 26: ...gh Alarm Flag 0 or 1 alarm Sensor 2 R X 10005 Sensor 1 Any Alarm Flag 0 or 1 alarm Sensor 1 R X 10006 Sensor 2 Any Alarm Flag 0 or 1 alarm Sensor 2 R X 10007 Sensor 1 Fault Flag 0 or 1 fault Sensor 1 R X 10008 Sensor 2 Fault Flag 0 or 1 fault Sensor 2 R W 10009 Sensor 1 enabled flag 0 disabled 1 enabled Sensor 1 R X 10200 Relay 1 State 0 or 1 energized Controller related R X 10201 Relay 2 State 0 ...

Page 27: ...VE traffic screen to diagnose 0040 RS485 SL TMOUT Modbus timeout communicating with BMS 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 ERROR All detectors are disabled or there are duplicate node addresses Enable one or more channels or check for duplicate node address ...

Page 28: ... of through these channels Technical Specifications Product Attributes Description Operating Temperature 40O C 50O C User Interface Front panel push buttons DIP switches Common Alarm Relays 1 Low Alarm 10 A 250 Vac 1 High Alarm 10 A 250 Vac Fault Alarm Relays 1 Fault 10 A 250 Vac Analog Output 2 Configurable 4 20 mA 1 5 2 10 VDC Alarm Silence 2 Front Panel Push Buttons 1 Auxiliary Input Serial Por...

Page 29: ...26 AT MGS 402 User Manual 8 Parts and Accessories 8 1 Part Numbers Part Description 40801 AT MGS 402 Controller ...

Page 30: ...27 AT MGS 402 User Manual Unit 30 Lawson Hunt Industrial Park Broadbridge Heath Horsham West Sussex RH12 3JR 44 0 1403 216100 info aquilar co uk www aquilar co uk ...

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