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RICKARD 2019
MLM INTEGRATION WITH BMS
MLM INTERGRATION
WITH BMS
ISSUE 4
Страница 1: ...1 RICKARD 2019 MLM INTEGRATION WITH BMS MLM INTERGRATION WITH BMS ISSUE 4...
Страница 2: ...status multi state input 0 59 14 Occupancy Mode status multi state input 60 119 15 BMS control override multi state output 0 59 15 Occupancy override multi state output 60 119 15 MLM Control Override...
Страница 3: ...ollowing network variables of the MLM Proprietary network are visible to other BMS network protocols Output from BMS Temperature Setpoint BACnet 0 1 C 5 F resolution Lon 1 C resolution F not supported...
Страница 4: ...pt The MLM Proprietary network can consist of up to 60 diffusers installed on 4 separate channels per MCU Each channel is connected to a maximum of 15 diffusers They can be arranged into temperature c...
Страница 5: ...ific PSU to a specific channel Swopping cables after com missioning will rearrange the data points on the BMS The edit and save feature on the application MLM Tool is used to bind the diffusers to the...
Страница 6: ...o select the Master Only box to identify the point reference for the BMS The table is exported in the following text format Description Connection Address MSTP USB Exporting only masters Channel Type...
Страница 7: ...tended command set is available on the Rickard Trac download site http trac lhar co za Pressing the service button will broadcast the Neuron ID and the program ID to the BMS system Each MCU is labelle...
Страница 8: ...n effect means each MCU serves as a gateway for a maximum of 60 master diffuser zones Zones not populated on the MCU will reflect as null data in the corresponding functional block The table below sho...
Страница 9: ...ill be dis played on the web page The Serial number and Software Version number cannot be changed The Device Name can be changed by the user and usually identify the physical location of the MCU BACne...
Страница 10: ...s and baud rate fields The ms tp mac address is a crucial setting and each MCU must contain an individual mac address for cor rect operation The default mac address is 25 Please note the ms tp standar...
Страница 11: ...ta some detail infor mation is not available through the BACnet point data This includes specific diffuser setup as well as diagnostics information The BACnet stack supports a priority array of 16 ele...
Страница 12: ...with the MLM Tool corresponds to the zone table on the Point List web page At the top of the Point List page is displayed some configuration parameters Note the Device Name and BAC net ID is editable...
Страница 13: ...t control override and occu pancy override Note these parameters are applied to all the control zones available on the MCU To confirm live BACnet data a MCU BACnet client reader can be downloaded from...
Страница 14: ...mp 1 60 0 40 C AV 60 119 Analog Value Supply Temp 1 60 0 40 C AV 120 179 Analog Value Control Disk pos 1 60 0 100 AV 180 239 Analog Value Heater output 1 60 0 100 AV 240 299 Analog Value Disk Min Pos...
Страница 15: ...ate output 60 119 The following table contains occupancy override functions as set by the BMS Decimal Value Mode Descrip on 1 Occupied 2 Unoccupied Func on Command Descrip on Normal 1 No BMS command a...
Страница 16: ...tick the Control Override box Press Write The functions contained in the two tabs below the Master Command tab BMS Command and Occupancy override now becomes enabled This is a non volatile parameter...
Страница 17: ...ommunicating to a field diffuser system and the system is syn chronised Conventionally an external BMS Building Management System command would force a specific control override action on the MLM24 sy...
Страница 18: ...If the time displayed is incorrect edit the value and press write Expand the Backoff Days tab and check the boxes where a day night control override is required Where a 24 hour control override is req...
Страница 19: ...or to back off or back on Following this op tional period the system will revert to normal control and the indicator will switch back from AH to WH RTC control override Command Table Func on Descrip o...
Страница 20: ...of the unoccupied control The RTC operation for after hour detection is described in the RTC control override section Note If an On board master unit is used to control a zone no distinction is made...
Страница 21: ...lar sensor to be active Unoccupied delays setting these timers to zero will stop the timers and the controller unit Wallstat or On board will always indicate the zone as occupied Control override by u...
Страница 22: ...e delay 1 and delay 2 areas As the delay timers run down the progress bar will decrement from right to left Once an unoccupied condition is detected the bar dis play will change from green to red The...
Страница 23: ...unit contains two output channels Switch A and Switch B to power two separate lighting arrays See hard ware specification Each channel can be configured for manual on manual off or to switch following...
Страница 24: ...the user is advised to follow the procedure in the MLM Help file Main Menu Wizards It deals extensively on how to set the flow min max control on a MCU segment scale including import and export funct...
Страница 25: ...culation Should each diffuser in the zone have airflow sensors fitted this function should not be selected Note if more than one but not all diffusers in a zone are fitted with airflow sen sors the di...
Страница 26: ...he zone is displayed on the master controller for that zone in this instance the Wallstat For this zone 17 only the master controller was fitted with an airflow sensor hence the distribute function wa...
