Model B2 Static Transfer Switch 63 Amperes 3-phase, 4 Pole - i-STS
Contents
1. Model B2 Static Transfer Switch 63 Amperes 3 phase 4 Pole Users Manual March 2014 Contents 1 System Description 1 1 Static Transfer Switch 2 System Display Panel 2 0 Overview 2 1 Mimic and Status Screen 2 2 LCD Alarm Indication 2 3 Variables Display 2 4 Event History Display 2 5 Controls 2 6 Settings Menu STS Operation 3 1 Overview 3 2 Maintenance Bypass Switch 3 3 Source Selection 3 4 User Access 3 4 1 Communication Settings Installation and commissioning 4 1 Commissioning Fault Diagnosis 5 1 Interpretation of LCD Event List 5 2 Load Fault Maintenance 6 1 Overview Specifications 7 1 Operating Parameters Main Item Components Contact 9 1 Contact Details NO on A h o O QW 22 24 26 2 28 29 30 1 System Description 1 1 Static Transfer Switch STS The Static Transfer Switch STS provides power and redundancy to items requiring having only a single AC supply source The STS selects this supply from one of two input AC supplies If one of the supply sources becomes unavailable the STS will automatically transfer the critical load to the alternative AC supply source Manual selection of supply is also possible This Static Transfer Switch has 2 identical and symmetrical switches one for each phase of the 3 phase AC supply and the neutral to provide the output This STS implementation uses Break Before Make transfer chara2. RE Transfer Tries Status Variables Events Control elaine elaitnel 2 System Display Panel Wlanual 125 BD 153 60 20 1 Wlanual 120 FO 120 TO 1 5 10 Wlanual 130 se 130 pS 2 System Display Panel Calibration Supply 1 Volts supply 2 Volts Supply 3 Valts Supply 3 Current Supply 3 kiy Phase Status Variables Events Control Used to adjust display accuracy of display variables only or 2 3 volts follow the prompts read the accurate value and enter into the Actual column The user should exercise caution in changing the factory defaults as changing these values or incorrectly setting them could cause unstable or incorrect STS operation Always ensure that the settings for the STS are wider than the source settings e g mains and UPS At reset start up whilst the unit is undertaking its initialization self test the following screen is displayed 3 STS Operation 3 1 Overview The Static Transfer Switch control panel consists of a touch screen colour LCD display control panel accessible via the front of the unit These inform the user information on the operation and status of the equipment Other than the Control functions the LCD menu items cannot change the state of the Static Transfer Switch this can only be done through the Control menu transfer pushbutton except when incorrect settings are made selection of the required source to supp
3. 6 1 Overview The STS has been manufactured to provide a long reliable and useful life However all equipment needs some maintenance Recommended Schedule Once per month record the operating variables and compare with the units specifications to ensure that you are within its operating capability Inspect the unit and note down any variations from last observation Action may need to be taken and or reporting may need to be taken on these variances Inspect the Event History and correlate any recorded events since last observation with real occurrences Report investigate any suspicious entries Once every 6 months sooner if the environment is bad vacuum dust from grills at front of unit Inspect cable plug connections for overheating Units with fans need their fans changed every 3 5 years This may need to be sooner if the environment is bad NOTE Please note that the user should not undertake repair procedures or gains access to the internal of the equipment If the unit is faulty then it should be removed from service as per the accompanying procedure and a qualified experienced service agent should affect repair 29 7 Specifications 7 1 Operating Parameters Rating 3 Phase phase 3 Phase N 4 pole Earth 98 5 Pe aaa Thyristor break before make no source overlap zero current neutral overlapping Digital lt 1 msec Normal lt msec Max lt 14 cycle 5msec Fault rating S re 250 A
4. Return procedure as over PRODUCT RETURN_REPAIR INSTRUCTIONS INTERNATIONAL Please follow these steps These are in addition to any Export requirements that there may be in your country of goods departure these are not known by us 1 Provide a detailed fault report even if you ve discussed it previously the person attending to your repair will not be the person you spoke to and the passage of time alters the perception if just left verbal 2 Pack the goods in their original packaging as long as not extensively damaged prior 3 Prepare the Invoice for customs 4 Eg HS Code 8536 50 92 So that import duties are not applicable Original Invoice Value of the goods Date of original Invoice only applicable within 24 months of receipt of goods On the Invoice and on the packaging the following Including shipping docket 420A GST Exemption Code ITEM 20A And HS Code 8536 50 92 Goods Returned to OEM for Repair Under Warranty For your explanation ITEM 20A Customs Tariff Act Goods that have been exported from Australia for repair or renovation HS Code is the duty description of the goods The information above are required to expedite the goods through customs Otherwise GST VAT taxes and duties will be payable 420A 5 Send to Static Power Pty Ltd 5 Candlebark Court Research Victoria 3095 Attent Robert Heezeman Ph 61 3 94370494 collection from Depot Freight Forwarder or airport will not be undertaken 6 Send
5. Server Ping the STS to confirm connection and then enter the address into a web browser If the DHCP address have not been registered on your network then you may need to momentarily a few seconds remove and re instate the network cable to re register on your network The home page shows which supply the unit is on supply preference variables and events i S TS name location Supply 1 Online No Supply Preference Variables Events Py oan ee eee Red White Blue Date Time Event Target Supply 1 V 109 0 0 01 01 2012 01 40 55 Supply 2 OK Supply 2 V 109 0 0 01 01 2012 01 40 55 Supply 1 OK Output 01 01 2012 01 40 55 Transfer 1 Voltage 109 0 0 01 01 2012 01 40 54 Supply 3 OK Current A 0 0 0 01 01 2012 01 38 02 S2 Average V Power kVa 0 0 0 0 0 0 01 01 2012 01 38 02 S1 Average V Power kW 0 0 0 0 0 0 01 01 2012 01 38 02 Supply 2 FLT Power Factor 0 0 0 0 0 0 01 01 2012 01 38 02 Supply 1 FLT Open Control Panel Web server home page For safety authentication is required to enter the control panel User Name admin Password 1234 From here you can View utilisation Transfer supplies Set preferred supply Change unit name and location Set the IP address Adjust time and date Adjust settings for o Input steady state o Input transient o Output 23 4 Installation and commissioning 4 1 Commissioning Read this whole document thoroughly Understand every aspect before proceeding Request further a
6. person you spoke to and the passage of time alters the perception if just left verbal Pack the goods in their original packaging as long as not extensively damaged prior Prepare the delivery Note making sure you put your contact details the PO under which the product was initially purchased the date it was purchased your dispatch date and also the initial buyer if it wasn t you company Send to Static Power Pty Ltd 5 Candlebark Court Research Victoria 3095 Attent Robert Heezeman Ph 61 3 94370494 collection from Depot Freight Forwarder or airport will not be undertaken Send the goods back using your standard courier or freight forwarder Use you own account including insurances Irrespective if the goods are under warranty or not An assessment and determination will be made after inspection You will be responsible for the cost of the return of goods If the goods are lost or damaged in transit you will be responsible for the costs of repair or replacement so we would recommend insurance As per our conditions of sale provided at time of quotation e g Free In Store FIS Credits and reimbursements will be made as necessary Please note that damage in transit or blown fuses and or tampering are not covered by warranty Please provide the account number and courier information for the return of the goods anda PO for the repair inspection This may or may not be used depending on the findings of the initial inspe
7. seconds The LCD should show that it is now powering the load from the other supply non preferred lf unsuccessful or the LCD is not functioning a transfer can be affected using the priority PREFERRED switch Simply slide the switch to the desired supply wait 5 seconds and check the LCD and display to confirm Alternatively the user can use the front panel display transfer control pushbutton to affect the transfer press and hold for 5 seconds 25 5 Fault Diagnosis 5 1 Interpretation of LCD event list Event Descriptor Append STS Action Resulting Flash Defaults downloaded Keeps Event List ee TIMER Signals software hardware problems None Contact Chloride Stack or Heap has overflowed None Contact Chloride FLASH EEPROM Checksum error cal may be None Contact Chloride damaged FLASH ROM has been corrupted Program is in None Contact Chloride error BATTERY L Battery has low power needs replacing None Contact Chloride COMMS 1 2 3 4 5 6 7 8 Communications has failed to Dig Proc Ana None Contact Chloride can self Ana2 repair CALIBRATION 1 2 3 Calibration of MSP required Contact Chloride loss of electronics power R W B or phase R W or B White Blu Sec S1 S2 FREQ LOW HI Frequency of supply 2 is high or low OK LOCAL XFER Local Transfer to Supply 1 or 2 requested User Manual Action REMOTE XFER Remote transfer to Supply 1 or 2 requested Via User Inputs or BMS BACK FEED 1
8. should not be active If it is check the following states ON Supply 1 when priority is Supply 2 On Supply 2 when priority is Supply 1 Supply 1 or Supply 2 are not in spec Override Switch is in position 1 or 2 Supply 1 amp 2 are not in synchronism The unit is too hot thermal bi metal switch on H S activated There is was an overcurrent overload load fault condition CAUTION REMOVAL OF PANELS EXPOSES DANGEROUS VOLTAGES ACCESS RESTRICTED TO QUALIFIED PERSONNEL ONLY 24 4 Installation and commissioning Connect the supply sources to the terminals as shown below to the terminals associated with the fixed portion cradle and be sure to support the cables Normally the Maintenance bypass switch is in the central Normal N position When operating switch only in the direction of the presently supplied source e g if STS is on S1 supplying the load then switch to position 1 gt This will be a Make Before Break transition Operation to incorrect source may cause overlap between the sources OR disruption to the load Ensure from the supply that you are connected to on the STS is also the supply selected by the Maintenance Bypass Switch supply If you have a remote maintenance bypass then it too should be in the normal position prior to this step Go to normal mode Try using the TRANSFER push button to transfer to the alternate supply To affect a transfer you need to push and hold the transfer pushbutton for at least 5
9. the goods back using your standard courier or freight forwarder Use you own account including insurances Irrespective if the goods are under warranty or not An assessment and determination will be made after inspection You will be responsible for the cost of the return of goods If the goods are lost or damaged in transit you will be responsible for the costs of repair or replacement so we would recommend insurance As per our conditions of sale provided at time of quotation e g DDP Delivered Duty Paid named place of destination Shipper is responsible for delivering the goods to the named place in the country of the receiver and pays all costs in bringing the goods to the destination including import duties and taxes E g Free In Store FIS Please note that damage in transit or blown fuses and or tampering are not covered by warranty 6 Please provide the account number and courier information for the return of the goods anda PO for the repair inspection This may or may not be used depending on the findings of the initial inspection We will try to carry out the initial inspection within 2 working days of receipt of the goods If necessary a report and quotation will be prepared and provided 7 Upon Receipt of the goods we will acknowledge its arrival 33 DOMESTIC 1 Please follow these steps Provide a detailed fault report even if you ve discussed it previously the person attending to your repair will not be the
10. atic transfers will experience a 50 msec break settable 0 150 msec This can be changed from the settings page however are the factory default values Caution should be applied if changes are made so that out of synchronism asynchronous transfers do not cause the load to saturate which necessitates large currents to be drawn possibly damaging the device tripping circuit breakers or blowing fuses Intentionally left blank 11 2 System Display Panel 2 6 Settings Menu This menu item provides a facility for adjusting STS settings and calibrations Passcode Status Variables Events Control 2 6 1 Password Restricted access to set up menus 2 levels of access 000 and 1234 2 6 2 Date Time Date and Time adjustment This menu item displays general information about the equipment Time amp Date SUNDAY 01 2012 00 41 09 Status Variables Events Control Use the scroll key gt to access the parameter then the up amp down keys to set the desired parameter value 2 System Display Panel 2 6 3 Communication Settings LAN Web Server and SNMP TCP network address configuration F Communication Settings IP Address 197 166 1 69 Subnet 255 255 255 0 Gateway 194 168 1 254 se DHCP Wes vw Please allow time far details to refresh d Status Variables Events Control For further help see section 3 4 1 Communication Settings 2 System Display Panel Settings DANGER the STS has
11. been shipped with factory defaults These are the most reliable settings for correct stable operation The settings should not be changed unless the user has a full understanding of the consequences Consult Static Power prior to changing any settings All STS settings always must be wider than the source that is supplying the STS otherwise the STS will become unstable and the load could be compromised Time amp Date Communication Steady State Transient Source Screen mr i at Output Calibration Calibration H Status Variables Events Control The following screens show the available options The Auto set of settings apply to normal STS operation unattended The Manual setting are referenced when the STS is manually operated Manual user transfer requests Setting Auto Manual Frequency Fref Supply Mode Peak Current Fan Mode User In Status Variables Events Control Setting Suppi 3 Steady State High Supply 3 Steady State Low Supply 3 Transient High Supply 3 Transient Low Current Low Current 110145 Current 130 200 Transfer Timer Status Variables Events Setting Supply 1 Steady State High Supply 1 Steady State Low Supply 2 Steady State High Supply 2 Steady State Low steady State Pause Phase Normal Phase Fault Phase Break Status Variables Events Setting Supply 1 Transient High Supply 1 Transient Low Supply 2 Transient High Supply 2 Transient Low Transient Pause RE Transfer Pause
12. cteristics to ensure that the two sources are never paralleled so that the failure of one supply source has no impact on the other The supplies can be truly independent The installed STS is a 4 Pole switch where the neutral is also switched R W Supply B T N o 5 E QT Q2 M 7 B 7 Supply W D 2 R a E E E E A a ee ee mm Upon incoming supply failure or degradation of the selected supply the STS immediately transfers the critical load to the alternative stand by source The installed STS is a 4 Pole switch where the neutral is also switched In the case for the neutral the transfer is overlapping The break time is usually less than one millisecond however under worst case conditions can be up to 5 milliseconds 1 System Description In the case of downstream load fault conditions the fault current drawn from the supply may degrade or damage the supply sources as a consequence should a fault current exist in the load the STS will inhibit a transfer to the alternate source even if this causes source supply degradation or loss At least the fault will not be transferred to the alternate supply with the possibility of degrading both sources Alternatively the output of the STS is blocked so that the fault current does not propagate back to the source The current threshold for isolation is pre set to approx 160 Amperes It should be noted that the fuses are for the protection of the semiconductor switches SCRs Thyristor
13. ction We will try to carry out the initial inspection within 2 working days of receipt of the goods If necessary a report and quotation will be prepared and provided Upon Receipt of the goods we will acknowledge its arrival 34
14. int it is recommended that the UPS source 1 or 2 be transferred to bypass to allow greater capacity to isolate down stream faults without affecting UPS output voltage integrity It will be necessary to gain access to the STS internal maintenance bypass switch for 1 or 2 The supply from the UPS system in bypass mode should be selected by manual operation of the corresponding maintenance bypass switch Application of this power should clear any downstream faults still present The alarm pushbutton in the CONTROL menu is then pressed for 10 seconds to reset the alarm conditions followed by the transfer switch for the desired source to reinstate the STS to normal operation When the LCD mimic indicates that the STS is active again the 1 or 2 LCD bar is Green the maintenance bypass isolator can be manually opened There is an Master control RESET pushbutton on the rear of the STS Before operating please operate the OVERRIDE switch to the FORCED position corresponding to the STS selected supply e g if STS is supplying the critical load from S1 then operate the OVERRIDE to position 1 Then press the RESET pushbutton Once the display is normal return the FORCED switch to the 0 centre position Do not use the OVERRIDE switch to affect a transfer It is for maintenance only If the front panel controls are inoperative then the load can be safely transferred using the PRIORITY SWITCH to position 1 or 2 as desired 28 6 Maintenance
15. ly the critical load is made by simply pressing the transfer pushbutton for at least 2 seconds Provided the supplies are within synchronization limits the selected supply will be connected to the load Verification is provided by the LCD and mimic lf the selected supply should vary outside preset limits and become unusable the STS will automatically transfer the load to the alternative supply The preferred source directive presetable will ensure that the STS will return to the preferred source if it is available and within acceptable limits after a settling time The preference for the preferred source is selectable please see over 3 STS Operation 3 2 Maintenance Bypass Switch This switch situated at the LHS of the unit allows for a maintenance bypass arrangement The switch is normally in the N position and can be used to bypass the internals of the STS to either Supply Source 1 or Supply Source 2 It should be noted however that operation should only be affected in the direction of the presently operating source It cannot be used to transfer the critical load from one source to the other A padlock can be used to stop inadvertent unauthorized operation Displays indicate the maintenance bypass state Supply 1 Online Supply 1 OK e Supply 2 OK Output Supply OK Preferred Supply Mone Alarms Status Yarlables Events Control settings Supply 2 Online al all m suppyt OK cD Supply 2 OK Ou
16. ly variables power quality event log via a 200 deep real time easily understandable event log to provide the user with operational information displays The audible is shipped disabled however may be re enabled using the CONTROL menu option Audible ON Similarly it is able to be disabled if required 2 System Display Panel 2 3 Variables Display Actual readings dependent on unit rating calibration and loading Supply 1 Supply 2 Output Current kV kV A 9 40 PF 9 0 98 Frequency 0 2 50 0Hz Sync Status Variables Events Control This menu item shows the input amp output ve Output Voltage for each phase Output Current for each phase Output Power Factor for each phase Output Power for each phase kWatts Output Power for each phase kVA Frequency for each source 1 Source Input Voltage for each phase 2 Source Input Voltage for each phase Phase Angle between Sources 1 amp 2 Date 01701712 01701712 01701712 01701712 01701712 01701712 01701712 01701712 01701712 01701712 2 4 Event History Time OO P12 OO 12 OO 1A OO P12 OO F474 OO 22 56 OO 22 56 OO 22 51 00 19 16 00 19 16 2 System Display Panel Event So Average W Transfer arm Boot Low Power Mode Low Power Mode Preferred Preferred Preferred So Average W Transfer Status Variables Events Control Access to the event Alarms list is available via the Events screen selection To scroll thr
17. mperes peak transfer lock out Internal 100 Ampere Up to 120 for 30 seconds po 200 for OS second pf 400 Amperes for 100msec oo Pf 2000 Amperes for 10msee o fe ee fe a AS EC 62310 1 2 amp 3 for STSs CE Approval Inlet Outlet Connections Fixed feedthrough terminals 35 mm2 30 8 Main Item Components Part si Description Manufacturer Part Number Rating 120 Amps 1700 v dv dt limiter 1000 v usec sts control board sp0034r2d display board 51 0105 02 monitoring board 9 Contact 9 1 Contact Details For Service and Maintenance The unit is warranted for 36 months from date of manufacture on a return to manufacturer basis We will provide a 24 7 telephone support Static power will repair or replace faulty items should the unit become defective Blown fuses are not covered by warranty In the event that you wish Static Power Pty Ltd to come to site service charges and travelling expenses will result i STS Manufacturing is a subsidiary of STATIC POWER PTY LTD ABN 42 101 765 913 Factory 5 Candlebark Court Research Victoria Australia 3095 Mail to BOX 2003 Research Delivery Centre Research 3095 for Service Phone 613 9437 0494 BH Mob 61414323 890 Email support i sts com au or visit www i sts com au Warranty is void if not installed as per the instructions and cautions as outlined in this manual or if operated outside of its specification or unauthorised access is gained Unit Parts
18. or2 on R Back feed voltage too high on 1 or S2 Contact Chloride W B REMOTE POWER OFF ON Remote Supply off Requested EPO Via User Inputs or BMS SYNCRONISATION LOS OK S1 amp S2 not in synchronism 26 5 Fault Diagnosis vent Descriptor STS Action Resulting CURRENT ARN HIGH Output is overloaded timed shutdown Alarm No action starts timer FAULT OK Temperatures Heat Sink is Over temperature Ambient OAD FAULT AN ALARM CANCEL 0 00 Alarm Cancel was pressed Resets Audible amp Latched fault OWER SUPPLY Status Indication Only None Contact Chloride Repair SCR SC S1 S2 R W B SCR on S1 or S2 short circuit detected on Contact Chloride Locks to safe source phase ff SCR OC 51 52 R W B SCRon S1 or S2 Open circuit detected on Contact Chloride Locks to safe source phase ff RIPPED Q1 Q2 Q3 Q4 or Status Indication Only Response to interlocking controls 27 5 Fault Diagnosis 5 2 Load Fault In case of sustained high current output load faults the STS will inhibit a transfer to the alternate supply even if this means degradation or loss of source supply It is therefore imperative that you ensure that the discrimination with down stream and upstream protective devices ensures that the downstream protective device always clears the fault first In case that all output is lost the faulty equipment should be located and removed from the STS output before re instatement of power At this po
19. ough the events buffer the user again presses the Events pushbutton Up to 200 events can be scrolled Once the buffer is full the oldest events fall from the buffer and are replaced by any new events 2 System Display Panel 2 5 Controls The control interface provides access transfer and to all essential parameters and set up information The TRANSFER control function forms part of the LCD control panel and is accessed using the Control touch zone screen pushbutton Once pressed the user operator merely pushes the transfer pushbutton to effect a transfer to the alternate supply Auto Pe transfer Alarm Sound Timer Status Screen Normal Preferred Source None Sync Break Overide SUMS Status Variables Events Control Control Functions LCD control functions enable the user to STATUS SCREEN Enable Disable the front panel TRANSFER pushbutton ALARM SOUND Set the audible On Off PREFERRED SOURCE priority 1 2 or None SYNCH BREAK OVERRIDE The break time 50 msec TIMER The time before auto re transfer occurs AUTO RE TRANSFER Enable Disable ALARM RESET cancels if alarm has cleared press amp hold 6 sec if transfer is inhibited Synch Break amp Mode Angle Detection Setting Provides access to adjust the allowable not in synchronism transfer Default is 9 and is adjustable between 5 30 Manual transfers are inhibited when supplies are outside this range however autom
20. s not the load The STS does not have any automatic tripping devices so load discrimination is undertaken in the primary and secondary supply networks The STS is completely self contained with its own detection logic display and controls 2 System Display Panel 2 1 Overview A Colour back lit touch screen LCD provides the user with an easy to navigate hierarchical real time information and control interface SUPPLY 1 ONLINE Supply 1 OK supply 2 OK Transfer CI Output Supply Not OK Preferred Supply None Status Variables Events Control it fig 2 The system display panel The LCD provides a full colour mimic alarm status indication and audible to provide instant recognition of the STS state Easily identify state changes from the mimic diagram showing system status and or alarms Default screen Use the touch screen zones along the bottom of the screen to navigate the various information and control options The LCD menus are structured in a hierarchy through which the operator navigates by use of the LCD control pushbuttons All states are bi colour where GREEN indicates the normal or on state The TRANSFER control function forms part of the LCD control panel and is accessed using the Control touch zone screen pushbutton Press and hold for 3 seconds to affect a transfer This transfer control pushbutton zone can be removed if desired to make the install more secure via the CONTROL menu and
21. se the preferred source selector to transfer the load if the LCD panel is unavailable Never operate the Override switch if the supplies are not in synchronism or not available The purpose of the override switch is to override the control electronics and lock the STS in the state direction source that is presently selected It used for maintenance purposes Communications ports provide remote voltage free contacts for BMS or remote alarm indication and optional control of the STS from remote The LAN enables remote viewing of the state of the STS using an internet browser or via SNMP via a Network Management System 3 STS Operation 1 Preferred source selection pre set Supply 1 is the preferred source If STS is forced to automatically transfer the critical load to the alternate Supply 2 source the STS will automatically transfer back to Supply 1 when again within tolerance and a pre set settling delay Supply 2 is the preferred source If STS is forced to automatically transfer the critical load to the alternate Supply 1 source the STS will automatically transfer back to Supply 2 when again within tolerance and pre set settling delay 2 Control override CAUTION For maintenance only this should not be used as a transfer control Control Override gt Supply 1 is forced to supply the critical load directly overriding any internal control logic NEVER attempt to operate the OVERRIDE switch if the supplies are not in s
22. selecting the TRANSFER OFF condition option The unit can still be transferred using the priority switch at the rear of the STS 2 System Display Panel 2 1 Mimic Status Screen This menu item provides details on the equipment operating status and event history STS Status Status summary of the Static Transfer Switch Provides information on any active alarm or fault conditions The availability of supply 1 and 2 is indicated by the respective supply LCD diagram Green being the ON or OK state The synchronization hold off bar between the two sources on the LCD mimic is located between the two supply bars Green is in synchronism 1 and 2 indicate which source is supplying the critical load An alarm indication provides indication of an unacceptable alarm or fault condition Information as to the cause of the alarm condition is available from the LCD event history or the status indicators located on the LCD The alarm indicatio and audible alarm if available can be cancelled by pressing the Alarms screen From normal unattended operation a non normal state Clear Indication of ALARM Visual Prompt and Audible Alarm 2 System Display Panel 2 2 Alarm Indication Alternating visual display of ALARM Condition When indicated the user touches the LCD screen to acknowledge the condition silence the audible and show the default Status display The LCD further provides useful real time information such as supp
23. ssistance if you do not understand any aspect of the operation of the STS Support and contact numbers are at the rear of the manual Consider electrical distribution discrimination carefully The STS has two incoming AC power sources your upstream protective devices must discriminate with down stream protective devices The upstream STS supply breaker fuse should only open if the down stream device protection is unable to trip or there is a fault within the STS In case of downstream fault the STS will not transfer the fault to the alternate supply even if the voltage is adversely affected Once the fault current has cleared the STS will resume normal operation protecting the critical loads from voltage disturbances 10 second settling time After all of the considerations and precautionary processes in the last section have been understood then no further special set up is necessary Each unit has been fully certified and heat soaked prior to shipment Apply power to the STS After the welcome sign you may be prompted to enter the date and time This should be required the first time only We strongly encourage the setting of the date and time so that real time event correlation can be undertaken The Real Time Clock is thereafter battery backed up lf the STS has been off for 2 3 months awaiting installation the battery requires replacement We recommend that the battery be replaced every 3 years as a precautionary matter The ALARM
24. tput Supply OK Preferred Supply None Alarms Status Variables Events Control Settings 3 STS Operation 3 2 Source Selection The preferred source selection does not operate if the STS is manually transferred to the alternative supply from the controls on the front panel Preferred source selection is pre set by a mechanical slide switch inside the unit or via menu selection Note that at power up the STS will activate the preferred source as pre set by the slide switch either supply 1 or 2 If no preferred source is set then the unit will not re transfer to the original source after a fault in that source The internal Preferred source selection will override any that is set using the LCD controls sub menu Access to the preferred source selection switches is gained via access to the internals of the STS by removing the front cover via the screws at the side of the unit and should only be undertaken by qualified and authorized personnel FRFFERRED FOPrED 1 Wie fig 4 User control panel These are located within the STS cubicle bottom RHS of the panel as shown Manual transfers override the preferred source selection operation of STS to alternate supply say S1 when preferred is S2 where S1 fails will transfer to S2 but not return back to S1 Preferred source selector can also be used to transfer the Critical load The OVERRIDE Selection must not be used to transfer the critical load from one source to the other U
25. ways with a RJ45 Cat5 Ethernet cable e Toa Network hub switch using a straight through cable e ToaPCusing a cross over cable Most PCs can now work with a straight though cable Connection to a Network By default the STS uses DHCP to get assigned its IP information automatically If your network does not have a DHCP server or you wish to use a static IP this can be changed in the communications settings screen described above Connection to a PC Both the STS and PC must have statically assigned IP addresses on the same subnet Set the STS s IP in the communications screen described above By default this is IP 169 254 1 1 with Mask 255 255 255 0 To set your PC s IP address in Windows 7 navigate to Network and Sharing Center gt Change adapter settings right click the network interface gt Properties Select TCP IPv4 gt Properties TCP IPv4 Properties General You can get IP settings assigned automatically if your network supports this capability Otherwise you need to ask your network administrator for the appropriate IP settings gt Obtain an IP address automatically Use the following IP address IP address Subnet mask Default gateway m Jotain DNS server address automatically Use the following DNS server addresses Preferred DNS server Alternate DNS server El Validate settings upon exit Advanced Tema 22 3 STS Operation Connection to the Web
26. ynchronism Control Override gt Supply 2 is forced to supply the critical load directly overriding any internal control logic NEVER attempt to operate the OVERRIDE switch if the supplies are not in synchronism 20 3 STS Operation 3 4 User access CAUTION The power cabling should not be run adjacent to user controls Separate these control cables from power circuits by at least 300 mm The control signals are distance limited to 30 metres All output relays contacts are rated for 50 V DC 1 Ampere Not 230 V AC rated On DB15 Connector User Remote Inputs Voltage free contact closure controllers only Pin 13 to Pin 7 Remote Transfer to S1 Pin 11 to Pin 7 Remote Transfer to S2 User Relay Outputs Relays are normally closed and held open in OK state closed contact represents the alarm state Pin 1 to 3 RLY O P ONA Pin 2 to 4 RLY O P Overloaded Pin 5 to 14 RLY O P ON B Pin 6 to 8 RLY O P Not in Synch Pin 10 to 12 General Alarm 21 3 STS Operation 3 4 1 Communications interface COMMUNICATION N REMOTE LAN Communications interface at the front of the STS The communications interface provides remote voltage free contacts for BMS or remote alarm indication and optional control of the STS from remote The LAN enables remote viewing of the state of the STS using an internet browser or via SNMP or via Modbus TCP 3 4 1 LAN Interface Connecting to the LAN interface can be done two different
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