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Danfoss AK-SM 850 User Manual Download Page 56

Simple Calculation example: 

   

Calculate the average of 3 different temperature sensors.  Show 

this resulting average value in a miscellaneous sensor driven by 

the calculation 

 

1/ 

Creating the miscellaneous points for this calculation- Sensor 

inputs: 

Create 3 sensor inputs (the 3rd is used to display the average 

through the calculation).

2/ 

56 

User Guide 

Lit. no. 

USCO.PI.R1.E1.02 © Danfoss 07-2013 

AK-SM 

850

Summary of Contents for AK-SM 850

Page 1: ...User Guide v1 0 AK System Manager AK SM 850 MAKING MODERN LIVING POSSIBLE...

Page 2: ...Evap shutdown when injection off 43 Miscellaneous Configuration 44 Managers Override 51 Lighting Configuration 52 Boolean Logic Calculations 55 Energy Configuration 57 Modbus Port on AK SM 59 Enterpr...

Page 3: ...Document revision Document Notes USCO PI R1 E1 02 First document release Document History AK SM 850 User Guide Lit no USCO PI R1 E1 02 Danfoss 07 2013 3...

Page 4: ...al Defrost Case lighting Store Outside Lighting Night setback Shutdown Flexible Alarm Routing Output e mail IP address relay Built in Modbus LonWorks network More scope for control solutions Establish...

Page 5: ...nd free of major vibra tions The AK SM 850 should be mounted at eye level Dimenstions Unit Width 295 mm 11 6 Unit Height 235 mm 9 3 Unit Depth 65 mm 2 5 Mounting holes 246 mm 9 7 Width Mounting holes...

Page 6: ...lid Installation Wall Mounting box Attach screw to the wall Mount AK SM 850 to the screw Loosen Technician lid three sides Remove Technician lid Level the AK SM 850 If drilling is necessary mark up 2...

Page 7: ...he 3 fastener into the housing part The screws are inserted into the fasteners Secure the unit by tightening the screws Remove Technician lid From the back push cables inside the housing Strip the cab...

Page 8: ...us Lon RS485 field bus Cable type Cables twisted in pairs must be used and they may be provided with a screen Some types of communication require a cable with a screen to be used The conductor s cross...

Page 9: ...iguring Lon devices on the control bus the highest device address that can be can be used is 127 max 120 controller in total Conductors The two wires are looped from device to device There are no pola...

Page 10: ...data signal one or more repeaters must be added to stabilise the signal When configuring Modbus devices on the control bus the highest device address that can be used is 127 max 120 controller in tot...

Page 11: ...ler simulation you can fully pre program your application and save the resulting database to USB for on site install Program simulation From within the web browser session simulate board and point var...

Page 12: ...ot considered as a safe network practice To avoid these issues Danfoss strongly suggests FTP functionality in LAN network only This would reduce the risk of open FTP ports and enhance network security...

Page 13: ...nguages The factory default the unit will display English in addition your required language can also be enabled Follow the simple steps below to display your preferred language in the local screen 1...

Page 14: ...tton to complete the Web Wizard Licensing Wizard Enter new license functionality Not currently used Refrigeration layout Wizard used to define your refrigeration layout grouping case with packs formin...

Page 15: ...ress the forward button to continue the wizard Use the Add button when creating offline nodes Double click the model line to bring up a selection of nodes Double click the Name line to enter a custom...

Page 16: ...ed Allow multi case circuit creation is to support Centralized refrigeration control configuration where multiple case circuits are available Leave this check box empty if you are using a de centraliz...

Page 17: ...oss Pack and Case controllers Under this method each Pack or Case controller on the network can be seen as self contained with control logic built in The front end AK SM under this type of application...

Page 18: ...es to AK I O relay sensors On Off Inputs and variable outputs Any control questions that have required AK I O control will be seen in these tabs The purpose of these tabs is to allow the viewing of th...

Page 19: ...type has a column that reflects any configured or scanned status 2 System configuration Time settings preferences The Time tab allows the system time time zone operating hours daylight savings and ho...

Page 20: ...cific access to key system areas Once new auth types have been created enter custom name and define level of access by selecting the Settings line Authoriza tion pop up box will appear Use this screen...

Page 21: ...ing Acknowledge Allow user to acknowledge Clear Allow user to clear alarms Log Allow user to set alarm level to log Other Main Menu Allow user to access main menu Device History Allow user to access d...

Page 22: ...nfigured as per site requirements Master IP address if using multiple AK SM controllers in a host network enter the Master unit address 0 IP address Define the number of connections typically network...

Page 23: ...ail server If your e mail service requires user authoriza tion enter user name and password Send to Add the e mail address for intended recipients Reply to A mandatory field that must have a valid ent...

Page 24: ...from being sent Set time period min Hrs to stop alarms being sent Any relays configured for alarm output can be forced on off for testing purposes Remember to leave in Auto position after testing Rout...

Page 25: ...ut options very flexible Look down each alarm action number column and any associated outputs will be seen in the left hand column Delay Once an alarm action is defined the associated time delay for t...

Page 26: ...action time delay stop conditions The actual e mail configuration is done in the Alarm Connections page The results of the alarm output configuration can be seen in the central Alarm Routing page Foll...

Page 27: ...an be seen and changed under the System tab I O Network Fail Alarm if communications to AK I O fails Flash Memory fail Alarm if AK SM system memory fails Database Cleared Alarm if AK SM database is cl...

Page 28: ...ress 1 with the alarm level set to Normal alarm action 1 These factory settings can be changed in this page Any AK I O points used in the AK SM system can be found on this page with the associated ala...

Page 29: ...n only discovered devices will be shown in the drop down boxes If your controllers are not yet on the network keep this selection to no Number of Racks Packs max 12 Enter the required amount of suctio...

Page 30: ...This function forces the AK SM to pull back the controller settings and thus synchronize the AK SM database Only use the Down load function if you have finished controller configuration on the AK SM...

Page 31: ...e when to perform an upload or download function so that any preset configuration is not overwritten by automatic upload by the AK SM Upload This function may be required where the case and pack contr...

Page 32: ...SM and opens up the generic controllers parameter list for more customer specific needs The following steps highlight the procedure in Importing From the import page s double click an import line to p...

Page 33: ...d Clear History Configuration Use this function to clear history configuration points selected for history the frequency of samples Clear History log Use this function to clear stored history in the A...

Page 34: ...r group lists manual configuration of any param eter can be done in this page Navigate and select appropriate points for history collection via the drop down menu selector Double click a required line...

Page 35: ...will not show up in the ST device list Once connected navigate to your required controller in the available list Access to all AK2 parameters is available via this connection Service Tool Support Whe...

Page 36: ...ed or physical Dew point By means of utilizing temperature and relative humidity sensors the AK SM can calculate the relative Dew point Based on this Dew point reference and against a set point the ou...

Page 37: ...4 0 8 0 90 9 mins on 1 min off 2 0 7 0 Target Dewpoint Range Example of Target Dewpoint relay output ratio Relay output percentage based on cycle time setting Example With a Dew point target range of...

Page 38: ...Yes to the question line Use Adaptive Rail heat and in this example select Calculated Dewpoint as the dewpoint method Upon answering these questions the AK SM will automatically build sensor points to...

Page 39: ...Number of schedules select the number of sub schedules required Start Stop Days and Holidays Define the Start Stop times days and holidays Each schedule line will also reflect the current status Fals...

Page 40: ...cted do this via the Controllers tab Note A start stop time of 12 00AM 12 00AM always ON Set to YES to enable schedule Use drop down box to select other schedules or use Prev Next keys on the local ke...

Page 41: ...not be corrected by Po Optimization and the maximum benefits will not be seen ensure all plant evaporator cases are running close to their designed setpoints and that defrost are operating correctly A...

Page 42: ...ization algorithm ignores the evaporator device after a defrost This allows the evaporator to recover from a defrost without effecting the Po Optimization algorithm Define Po stop and alarm conditions...

Page 43: ...ack shutdown period there is a greatly reduced risk of liquid hammer or compressor damage upon pack compressor start up The AKC ON function must be configured for each pack suction group By default th...

Page 44: ...ction also has Conversion Factors Calculations Further details on conversion factors and calculations can be seen in this section Once the required misc points have been set number required configurat...

Page 45: ...must enter in the Bd Pt fields the Bd Pt address of the sending point Type Normally Closed or Normally Open Control Input It is possible to use other defined points includ ing calculations to act as...

Page 46: ...the point is being received from another controller on the host network You must enter in the Bd Pt fields the Bd Pt address of the sending point Type Select from various option in the drop down list...

Page 47: ...ess 01 is sending from its Bd Pt address 1 02 then no other controller can have an output at its Bd Pt address 1 02 sending Rec The value of the point is being received from another controller on the...

Page 48: ...posite Range Select from various option in the drop down list 0 10 10 0 0 5 Volts Control Sensor Output 0 Output 100 Override type Relay Output On Off Override point Failsafe Type Stay unchanged Maxim...

Page 49: ...080Z0032 analog input output module This new module offers x4 analog inputs and x4 analog outputs allowing easy control of a variety of control applications Terminal 9 12 V max 100 mA Terminal 10 5 V...

Page 50: ...o of conversion factors Enter the required amount of conversion factors Conv 1 Name for conversion factor user changeable Units Select from a range of unit types psi Bar F C ppm Parts Per million V Vo...

Page 51: ...for Lighting lighting zones HVAC HVAC units requires suitable license Both The override is for both Lighting and HVAC Other Unit The override is for a point located on another AK SC355 Host network Ov...

Page 52: ...e Configuration Control Light Lighting control is done via built in AK SM schedules and the optional use of photocells The following section describes a typical lighting configuration using AK SM cont...

Page 53: ...hen lights are off the number of minutes that the lighting condition must be satisfied before lights will be turned on Post Delay When lights are on the number of minutes that the lighting condition m...

Page 54: ...d to the Board Point address of the AK I O modules Depending on the control definition made in the previous Configuration Control Light screen various inputs will require board point addresses Navigat...

Page 55: ...e and style of calculation point will be created Data definitions area This area contains information that identifies points that will be used in the logical statements in the next area and the curren...

Page 56: ...sulting average value in a miscellaneous sensor driven by the calculation 1 Creating the miscellaneous points for this calculation Sensor inputs Create 3 sensor inputs the 3rd is used to display the a...

Page 57: ...tion is done under the Configuration Control page Define how many Meters are required then select meter type Energy meter choices Pulse Vol used to record volume via pulse set to Liter Gallon Cubic me...

Page 58: ...n the emergency generator starts A level will be added each minute unless the specified emergency load for shedding to start is reached Couple begin level Visible when coupling switch yes Emergency ge...

Page 59: ...AK I O module only use module type AK XM 107A for pulse meter inputs Navigate to the Addresses Tab Demand limiting will be shown in later section Enter appropri ate Board Point location for the pulse...

Page 60: ...active Update The interval over which reactive compo nents are recalculated Demand Period The interval over which demand is calculated Demand is defined as average power over a specified time interval...

Page 61: ...ed in to the Danfoss enterprise dashboard the user can select multiple sites and select a time and duration with a load shed level action In our example above if the enterprise user wishes to reduce m...

Page 62: ...ive on off input for the automatic transfer switch must be wired and configured In addition if the site has a coupling switch you must wire and configure an on off input for the cou pling switch Prior...

Page 63: ...r example if your application does not have any HVAC configured the Dashboard will not show the HVAC panel Dashboard panels are automatically generated depending on the configuration no user action is...

Page 64: ...ick the detail button to jump to the device detail screen Use the Mute Ack button to acknowledge the alarm When pressed the alarm will move to the Acknowledge list Global active alarm list Global ackn...

Page 65: ...vice detail screen Navigation Tree Device alarms History Schedules and Advanced View Snap shot history Full screen button Controller group menu based on the controller type Status Settings Manual Oper...

Page 66: ...appear showing additional information To view additional information and gain access to settings click the show Detail button A dashboard will slide across where a Status Settings and Manual operation...

Page 67: ...Generic controllers i e AK CC Night Setback Generic controllers i e AK CC If a host network of AK SM units are configured a full system view can be seen by selecting the folder icon for a AK SM unit...

Page 68: ...Load history group from file Print History Tool bar When viewing data in the history view the tool bar has a set of functions to enable various actions to be performed Convert history file to CSV Expo...

Page 69: ...s are possible hst Danfoss history file format csv Excel compatible spreadsheet Saving any collected history as a file allows for future loading and view use the Load history from file button to load...

Page 70: ...file provides a fall back state if at any time a later remote upgrade fails or gets corrupted Rather than leave a unit in a unstable state in the event of a corrupted remote upgrade the factory image...

Page 71: ...mends using the Master Application Image software MAI as it contains all relevent files for correct operation Firmware Web and EDF The following steps describe how to update whilst in normal operation...

Page 72: ...put repeat based on critical repeat time MAI Master Application Image CSI Compressed Software Image FAI Factory Application Image IP Internet Protocol EDF Extended Device File a file that represents t...

Page 73: ...AK SM 850 User Guide Lit no USCO PI R1 E1 02 Danfoss 07 2013 73...

Page 74: ...e right to alter its products without notice This also applies to products already on order provided that alterations can be made without subsequent changes being necessary in specifications already a...

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