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Rickard BW2011-2B, Manual

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Rickard BW2011-2B Manual Download Page 8

 

 8 

RICKARD 2019

 

        

                  MLM INTEGRATION WITH BMS 

There are 62 functional blocks supported in the functional profile of the MCU Lon module. The node and virtual 
blocks are standard Lon implementations. The balance all utilizes the Lon 8502 Space Comfort Controller tem-
plate. This in 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 shows the basic functional profile supported for each control zone:  

Note: More manufacturer defined network variables are available on request. 
 
 
The same functional block as depicted in Lonmaker. Note the nvoHeatPrimary variable is not activated in the 
basic functional profile. 

Summary of Contents for BW2011-2B

Page 1: ...1 RICKARD 2019 MLM INTEGRATION WITH BMS MLM INTERGRATION WITH BMS ISSUE 4...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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