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    Toshiba VRF BACnet Interface

    Has anyone done an integration with a Toshiba VRF using their BACnet interface (BMS-STBN08E)?

    The local rep has sent me through their object list but it says that monitoring/feedback points such...
  2. Continuum - BACnet - b3 - Current Version

    Can anyone tell me the latest version of firmware for the Continuum b3 BACnet controllers? The last release I saw was 4.500064.
  3. Look up the ShowReport keyword?

    Look up the ShowReport keyword?
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    Enthalpy conversion btu/lb to kj/kg

    Can someone explain the conversion of enthalpy from btu/lb to kj/kg?

    Every website I search says to multiply by 2.326, but when I do some checks (using web based calculator or psychrometric...
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    Enthalpy conversion btu/lb to kj/kg

    Can someone explain the conversion of enthalpy from btu/lb to kj/kg?

    Every website I search says to multiply by 2.326, but when I do some checks (using web based calculator or psychrometric...
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    With regards to the subroutine calls then (for...

    With regards to the subroutine calls then (for the VAVs), would it be possible to modify them to only read/write data on change and/or a time interval?
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    There are a variety of issues (including controls...

    There are a variety of issues (including controls functionality) however the comments given to me include "the system is slow" and "events are getting missed" (e.g. afterhours initiations).

    I am...
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    Alerton: Transfer

    I am investigating issues with an Alerton job and I am looking for some help understanding how data flows in an Alerton network (before I get out the protocol analyser)

    Consider this scenario;
    -1...
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    Who makes the WMS1?

    I am trying to work out who the manufacturer is of a product with the name/part number of "WMS1". From what I can tell, it is a linux based web server. It is packaged in a small silver (aluminium?)...
  10. The SmartSensor input can have a standard...

    The SmartSensor input can have a standard thermistor (10K TypeIII) wired to it. It can also be configured as a digital input.

    It is not limited to being used for a SmartSensor.
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    AX vs R2 - 'openness'

    I recently suggested using the AX product and was told

    "R2 does not have the capabilities of Ax in that the API is closed"

    Could someone help explain this?
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    A few guys in our office have been using rhino3d

    A few guys in our office have been using rhino3d
  13. Honeywell Exel10 VAV Functional Description

    Can anyone provide me with something from a Honeywell engineering manual relating to the configuration options for a Exel 10 (LonMark 8010) VAV controller.

    I need to confirm whether a parallel fan...
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    Lonmark Profile Conformance

    If I purchase two VAV controllers from two different manufacturers, but both conforming to the 8010 profile, does this mean they will behave the same? I.e does the 8010 conformance extend to the...
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    This is the way most projects will go eventually....

    This is the way most projects will go eventually.

    On a recent tender (with over 100 VFD/VSD), the DDC had no requirements for AIs or AOs to do with VFD/VSD control. All sensors were to be...
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    Where can I find your email?

    Where can I find your email?
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    does anyone have a complete points list for an...

    does anyone have a complete points list for an Alerton VAV-SD controller? I.e. what BACnet points are exposed?
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    I am working on some Alerton VAV-SDC controllers...

    I am working on some Alerton VAV-SDC controllers and have a question about units.

    The graphics show the airflow in Litres per second, but when I go into the VAV airflow sensor setup, the Box...
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    Are you asking a question or making a statement?...

    Are you asking a question or making a statement?

    The upgrade/conversion from Infinity to Continuum can be simple; the key is preparation.
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    The trouble is that reading from a graph is not...

    The trouble is that reading from a graph is not very precise.

    The chiller manufacturer is stating the following;
    6.47 L/s = 13 kPA
    6.28 L/s = 12 kPa
    5.2 L/s =9 kPa

    To me these figures could...
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    Can the formula for a valve flow rate/pressure...

    Can the formula for a valve flow rate/pressure drop be applied to a chiller vessel.

    i.e. gpm = Cv x Sqrt(Delta P)

    If the chiller manufacturer tells me the flow rate at a certain pressure drop,...
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    When you have the Edit box up, press F2 and it...

    When you have the Edit box up, press F2 and it will display a list of available controllers/points (depends which field you are in)

    The best starting point would be to VIEW a list of Infinet...
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    In case anyone was interested, I have the...

    In case anyone was interested, I have the solution.

    When I contacted Gesytec, their tech told me go to Options and select 'Read format type'. When I told him there was no such option, he told me...
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    Build a lead (RJ45 to DB9) RJ45(DB9) - TD : 8...

    Build a lead (RJ45 to DB9)
    RJ45(DB9)
    - TD : 8 (3)
    - RD : 6 (2)
    - Signal Rtn : 5 (5)

    You can add the others but the those three should suffice.

    Plug the RJ45 into Comm3 (all things being...
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    I have put a query in to Gesytec but if anyone...

    I have put a query in to Gesytec but if anyone here has any suggestions they would be welcome.

    I am setting up a Gesytec Easylon OPC Server. When I bring in the LNS variables, the temperature...
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    Can anyone familiar with Alerton tell me what...

    Can anyone familiar with Alerton tell me what happens when I select <File> <Send DDC to Device> in VisualLogic?

    I need to make some modifications to the logic in a BTI and would like to know what...
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    Most of the companies around here doing BACnet...

    Most of the companies around here doing BACnet implementations don't have many issues with dealing with other systems... mainly because most of the 'open' BACnet projects are still being done with a...
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    Perhaps their future plans are in the BACnet...

    Perhaps their future plans are in the BACnet arena, seeing as Innotech made the news by getting the "200th" BACnet vendor ID...

    Any guesses as to who has the 1st 'vendor' id...
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    When TAC bought Andover, the results for dealers...

    When TAC bought Andover, the results for dealers in our region was either; dealer lost his dealership (local TAC office took on the product) or dealer was purchased.

    Invensys pulled out of our...
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    The biggest issue we had was that the local...

    The biggest issue we had was that the local Daikin office had no-one with any technical knowledge on their BACnet interface.

    We ended up 'finding' their setup/config software on the net and...
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    Like most things to do with controls, its usually...

    Like most things to do with controls, its usually the person doing the work that is the weak link.

    The Andover product has no 'canned' or application specific routines; it is all up to the...
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    Thanks for that. I have tried to access the...

    Thanks for that.

    I have tried to access the GCM but the password my client has is the default (User/Pass) combination set at level 6.
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    I need help to set the time in a GCM. The...

    I need help to set the time in a GCM.

    The client has XPSI software but the original contractor is no longer in business.

    I can bring up a screen showing 2 date/time values (one of which matches...
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    Would anyone have any information on this...

    Would anyone have any information on this interface?

    It was a hybrid Andover Controls/York product used on some chillers in the early days.

    I have a York document number (FAX-YORK TALK Form...
  35. There are some discussions about the Andover OPC...

    There are some discussions about the Andover OPC server on the Andover users group (go to Yahoo Groups, search for andover-controls)
  36. Xdriver is the Andover term for their...

    Xdriver is the Andover term for their interface/gateway drivers.

    The Andover OPC Server is a good solution if you just want to bring the Andover data up to a HMI. You can also use an OPC tunneler...
  37. I can send you the Andover LonWorks XDriver guide...

    I can send you the Andover LonWorks XDriver guide if you like (it covers the use of the Lon port on CX94xx series, which technically isn't an Xdriver).

    The problem I see is getting data from your...
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    I tried that, but it only gave a single point...

    I tried that, but it only gave a single point calibration. For example, my figures on the box I am testing (after setting box diameter);
    1st Reading:
    Alerton BMS : 267 L/s
    Hood : 269 L/s

    2nd...
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    Does anyone know how to configure the airflow...

    Does anyone know how to configure the airflow sensor on an Alerton VAV?

    The parameters available are called box diameter and calibration, however changing the box diameter gives unusual results.
    ...
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    Osiyo is spot on, although we have just had some...

    Osiyo is spot on, although we have just had some failures with motors that were installed just over 18 months ago (Andover Controls i2866, with integrated Belimo)

    He is correct in the cause; if...
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    The issue has been resolved. We got a different...

    The issue has been resolved. We got a different Alerton dealer to come to site and create a new password for us; one which added the ability to launch the editing software to calibrate the VAV...
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    Depending on what flavour Carrier chiller you...

    Depending on what flavour Carrier chiller you have, it may have the JBus option available (JBus being the French derivative of Modbus).

    Would the (new) iLon with the built in Modbus comms be an...
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    Does anyone have any knowledge on these controls?...

    Does anyone have any knowledge on these controls?

    It has an Excel EMC controller with a network of IRC Multicontrollers?

    Looking for any manuals or software (or ideas!)
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    I went through every enumeration in every typ...

    I went through every enumeration in every typ file listed and could not find it.

    Thanks for the feedback.
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    I have installed Visio and managed to view the...

    I have installed Visio and managed to view the logic, but can you tell me more about DDC Editor?

    My particular issue is the airflow calibration on some dual duct boxes.

    The original controls...
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    Can someone point me in the right direction...

    Can someone point me in the right direction please?

    I am trying to display the operating state of a Circon SCC-300-HPC on a Distech display. The network variable is nvoTUCOpMode. It is a...
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    I have been asked to look at an Alerton system...

    I have been asked to look at an Alerton system that is not functioning correctly.

    From what I can see, the control system is programmed using a package called "VisualLogic" which works in...
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    I have looked there. The link is to the old tac...

    I have looked there. The link is to the old tac website (Sweden, http://www.tac.se), but the website is no longer there.

    Any other feedback will be appreciated.

    Someone should prepare a list...
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    How do I get hold of plug-ins for TAC Xenta...

    How do I get hold of plug-ins for TAC Xenta products?
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    I need to control 24 induction unit chilled water...

    I need to control 24 induction unit chilled water control valves, each with its own temperature sensor (i.e. 24 control loops, temperature input, chilled water valve output)

    Is it feasible to have...
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