Alpha XM2-300HP Technical Manual Download

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XM2-300HP

Technical Manual

XM2-300HP

XM2-300CE-HP

Effective: September 2010

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Summary of Contents for XM2-300HP

Page 1: ...XM2 300HP Technical Manual XM2 300HP XM2 300CE HP Effective September 2010 member of The Group ...

Page 2: ...Power Alpha Technologies ...

Page 3: ...is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the e...

Page 4: ...ptions 20 Protective Interface Module PIM factory installed only 20 Local and Remote Indicator LRI 20 AC Indicator ACI 20 LA P 120V Lightning Arrestor 20 LA P With Status Monitoring 20 Coaxial surge protector 20 APP90S APP9022S Service Power Supply 20 2 0 Installation 21 2 1 Installation Procedure 22 2 2 Installing the Optional AC Indicator ACI Lamp 23 2 3 Inverter Module Removal and Installation ...

Page 5: ...Display Glossary 48 4 7 Automatic Performance Test 50 4 8 Providing Power via Portable Generator or Inverter 51 4 8 1 AC Powering 51 4 8 2 Using a Truck mounted Inverter or Generator 52 4 9 Resumption of Utility Power 53 5 0 XM2 300HP Maintenance 54 5 1 System Information 54 5 2 Battery Charger Voltage 55 5 3 Battery Terminals and Connecting Wires 55 5 4 Output Voltage 55 5 5 Output Current 55 5 6...

Page 6: ...ature Probe 18 Fig 1 9 DPM 19 Fig 2 1 AC Indicator 23 Fig 2 2 Wire Connector Assembly 23 Fig 2 3 ACI LRI Connection 24 Fig 2 4 Removing the Cover 29 Fig 2 5 Coaxial Cable Insertion and Securing 29 Fig 2 6 Cover Replaced SPI LE Switched On 30 Fig 3 1 Removing the Inverter Module 31 Fig 3 2 Inside of XM2 300HP 31 Fig 3 3 Terminal Block Detail 31 Fig 4 1 Example Configuration Screen 32 Fig 4 2 Smart ...

Page 7: ... prior to installation Equip the utility service panel with a properly rated circuit breaker for use with this power supply When connecting the load DO NOT exceed the output rating of the power supply Always use proper lifting techniques whenever handling units modules or batteries The XM2 300HP Power Supply contains more than one live circuit Even though AC voltage is not present at the input vol...

Page 8: ...ly cold conditions a battery s charge acceptance is reduced and requires a higher charge voltage during extremely hot conditions a battery s charge acceptance is increased and requires a lower charge voltage To compensate for changes in temperature the battery charger used in the power supply is temperature compensating If the batteries appear to be overcharged or undercharged first check for defe...

Page 9: ...d a BBX option UL Listed service entrance are available from Alpha Technologies NOTE Description Alpha Part Number Square D Part Number 120V Installation High magnetic 20A 470 017 10 QO120HM BBX External Service Disconnect 020 085 10 QO2 4L70RB BBX External Service Disconnect 020 141 10 QO8 16L100RB In most cases the following configurations qualify for service entrance use when wiring a duplex re...

Page 10: ...sure Wall Copper Ground Wire 8 AWG Minimum Breaker P N 531 006 10 Neutral White LI Black Ground Green Utility Connection Notes continued Typical 120Vac 20A Receptacle Wiring 5 20R When bonding the box to a neutral plate is required use the long green bonding screw provided Alpha P N 523 011 10 Square D P N 40283 371 50 NOTE 10 017 877 B1 001 Rev A ...

Page 11: ...t return In addition there must be a low impedance bonded path between the Alpha Power Supply power plug Ground Pin and the Enclosure 2 Second the Alpha grounding system The Alpha grounding system consists of a low impedance connection between the enclosure and an Earth Ground located at least 6 away from the Utility Earth connection This impedance between the enclosure and Earth must be 25 Ohms o...

Page 12: ...tery charger recharges the batteries in preparation for the next event 1 0 Introduction to the XM2 300HP The XM2 300HP contains an impressive list of features including Smart Display Built in self test with inverter diagnostics Battery test advanced battery diagnostics Protective Interface Module PIM factory installed option A high efficiency transformer Improved Status menus Communications menu w...

Page 13: ...ommunications module DPM used to provide external status monitoring and communications 1 1 1 AC Line Operation During AC Line operation utility power is routed into the primary winding of the transformer through the contacts of the line isolation relay and voltage selection relays Simultaneously in the inverter power is directed to the rectifier circuitry providing power for the control circuitry ...

Page 14: ... discharge the battery resulting in permanent damage the control logic disables the inverter when the battery drops to approximately 10 5Vdc When acceptable AC line voltage returns the power supply returns to AC line operation after a 20 to 40 second lag This delay lets the AC line voltage and frequency stabilize before the control logic phase locks the inverter s output to the utility input The c...

Page 15: ...he battery becomes less than 0 5A or approximately six hours elapses from the time ACCEPT mode was entered When the batteries are fully recharged the charger switches to the FLOAT mode of operation FLOAT charge is a temperature compensated pulsed voltage charge averaging about 2 27Vdc adjustable per cell During FLOAT mode the battery is fully charged and ready to provide backup power The charger p...

Page 16: ...ng an externally mounted red lamp for standby operation Output 1 White Neutral Black Line The AC output connector is clearly marked for easy identification The service power inserter SPI connects directly into the Output 1 connector Output 2 Optional White Neutral Black Line The AC output connector is clearly marked for easy identification The SPI which couples power to the load connects directly ...

Page 17: ...lable via the Smart Display panel on the front of the XM2 300HP the Smart Display is covered in detail in Section 4 2 Display functions are accessible by pressing any of the four keys ESCAPE UP DOWN or ENTER Backlighting is activated when any of the four keys are pressed and stays lit for a period of one hour There are four levels of menu items Operation Normal Communication Information Setup and ...

Page 18: ... plugs di rectly into the temperature probe RJ 11C type connector One sensor clips onto the front edge of the power supply shelf and monitors the ambient air temperature within the enclosure The second sensor attaches to the negative terminal of the battery and monitors battery temperature To install connect the ring terminal onto the nega tive battery terminal as shown below Fig 1 7 Inverter Modu...

Page 19: ...wer supply and access powerful diagnostic tools using the DPM embedded WEB interface and standard SNMP Poll power supply and battery data in realtime and receive alerts when power system alarms indicate noteworthy events The DPM is completely configurable from the standard cable modem configuration file and can be provisioned using default cable modem settings Customize your monitored information ...

Page 20: ...C Indicator green lamp is located next to the LRI on the outside of pole mount enclosures and also acts as a simple form of status monitoring so cable technicians can check the output status of the power supply without having to climb the pole and open the enclosure As long as there is voltage present at the output the ACI remains on To provide much longer life than the original light bulb design ...

Page 21: ...first passing a complete pre installation 3 inspection and start up test 2 0 Installation Read the Safety Precautions Utility Power Connection Notes and Grounding Connection Notes pages 8 13 before you install the power supply CAUTION Use the original shipping container if the XM2 300HP needs to be returned for service If the original container is not available make sure the unit is well packed wi...

Page 22: ...ure probe cable 3 Insert Local Remote Indicator LRI cable Optional 4 Connect status monitoring connectors including tamper switch if installed 5 Verify SPI switch is in ALT position 6 Connect the SPI network load to the Output 1 connector 7 Connect an auxiliary load to the Output 2 connector If optional factory installed 8 PIM has been installed Turn on AC breaker located on enclosure and verify c...

Page 23: ...r blue into the WHITE housing see Fig 2 2 Connect the shorter BLACK WHITE set of wires to the BLACK WHITE wires leading from 5 the SPI The remaining set of longer wires connects to the Output 1 connector on the front of the XM2 300HP Fig 2 3 Fig 2 1 AC Indicator Enclosure Wall Fig 2 2 Wire Housing Assembly Top View White Housing Black Housing Black Wire White Yellow or Blue Wire Verify contact sna...

Page 24: ...ional AC Indicator ACI Lamp continued Installation is complete Go to Start up Test Section 4 1 Start up and Test Fig 2 3 ACI LRI Connection ATTENTION See Section 5 6 Check Output Connection for inspection guidelines SPI ACI LRI 24 017 877 B1 001 Rev A ...

Page 25: ...e removable module is located on the front of the XM2 300HP power supply ALWAYS switch the battery switch off before removing or installing the inverter module assembly Handle the inverter module with extreme care Circuit boards and logic upgrades are static sensitive and susceptible to damage CAUTION You can remove the inverter module assembly while the power supply is running on line power The X...

Page 26: ...gnate one output as the primary connection and the other output as the secondary connection Commonly critical loads are connected to Output 1 as the primary feeder Using the overcurrent limit settings you can ensure that the primary output always provides the necessary power For example on a 60 volt unit if a customer needs 3 Amps available on Output 1 the overcurrent limit for Output 2 is set at ...

Page 27: ...output connection Once the RETRY LIMIT is exceeded the XM2 300HP will attempt to restart the output connection every 30 minutes Set this parameter to zero to disable the automatic retry function Overcurrent Tolerance Period 1 10 seconds In the event of an overcurrent episode the amount of time an output overcurrent condition is permitted on either output connection Once this time expires the outpu...

Page 28: ...t and change a value in the Setup Menu Press either UP or DOWN to put the display in the Manual Scroll Mode 1 Continue pressing UP or DOWN until the desired item is displayed 2 Press ENTER to select the item to edit 3 Press UP to increase the displayed value or DOWN to decrease the value 4 To change the displayed values more rapidly in Edit mode press either UP or DOWN and hold for more than two s...

Page 29: ...rcuit board and seizure screw assembly 3 Insert the coaxial termination into the output port on the bottom of the SPI LPE 4 Tighten the seizure screw to 35 inch pounds 5 Fig 2 4 Removing the Cover 2 3 1 Seizure Screw Assembly Fig 2 5 Coaxial Cable Insertion and Securing To prevent arcing make certain the center conductor stinger of the coaxial termination is fully seated inside the seizure screw a...

Page 30: ...witch should only be in the ALT position when the service XM2 300HP is connected to the cable When in ALT the standby XM2 300HP is bypassed for service or removal Verify the SPI LPE is properly grounded 8 2 0 Installation continued 2 6 Service Power Inserter SPI LPE continued ALT ON Fig 2 6 Cover Replaced SPI LPE Switched On Enclosure Wall Paint cutting Star Washers 30 017 877 B1 001 Rev A ...

Page 31: ...ormer output terminal block between the transformer and front of 3 chassis Move the single black wire to the desired output voltage connector Connectors are labeled for easy identification 87 or 60Vac Replace the inverter module 4 Install the unit into the enclosure as outlined in Section 5 2 1 Installation Procedure Only authorized personnel should reconfigure output voltage on the XM2 300HP ATTE...

Page 32: ... to the CableUPS Plug the RTS into the temp probe connection and attach it to the negative terminal of the battery Refer to Fig 1 8 Plug the LRI cables into the front panel if applicable Switch the AC service disconnect circuit breaker on to start initial power 4 up During this stage the power supply performs a display test and verifies configuration for the power supply After the initial display ...

Page 33: ...u Self Test can also be entered by setting Self Test to ON in the Setup Menu While in self test mode use the Smart Display or a true RMS voltmeter to verify 3 output at the module s AC Output Output voltages should appear within 5 of 87Vac for 90V units 63Vac for CE units and 60Vac for 60V units at nominal line input voltage To cancel a self test in progress push and hold DOWN and ENTER a second 4...

Page 34: ...pear within 5 of 87Vac for 90V units 63Vac for CE units and 60Vac for 60V units at nominal line input voltage Return the XM2 300HP to AC Line mode by switching the AC service 3 disconnect circuit breaker to ON The transfer back to utility power may take 10 to 50 seconds for the utility voltage and frequency to stabilize and the module s phase lock circuitry to activate The module then synchronizes...

Page 35: ...elected menu item DOWN Scroll down in a branch of the menu tree Decrease a parameter or value while in the EDIT mode ENTER Displays the next lower level in the menu tree In the EDIT mode ENTER accepts the new value into memory Depressing ENTER for two seconds or longer initiates Display Test mode Display Test mode switches all LED and LCD pixels dots on for several seconds SELF TEST Press DOWN and...

Page 36: ...le in the programming mode OPERATION NORMAL OUTPUT VOLTAGE 90V 4 0 Operation continued 4 2 Using the Smart Display continued Display Backlighting The display is normally unlit Press any key once to activate backlighting and illuminate the display without deactivating Auto Scroll Auto Scroll The display is normally in Auto Scroll mode continually cycling through the sub menu items at a two second i...

Page 37: ...tains the following items Fig 4 4 Operation Normal Display Examples are given for values in the display OPERATION NORMAL OPER MODE LINE Batt status ok inv status ok dpm status ok input voltage 120 input freq 60hz input current 23 0a input watts 140 output voltage 60 output 1 curr 1 0a output 2 curr 1 0a output current 2 0a output watts 120 w output va 120 va percent load 33 Charger mode accept bat...

Page 38: ...ation one step at a time Press ENTER to access the Setup Menu discussed in Section 4 3 3 Setup Menu Press ESCAPE to reactivate Auto Scroll mode Press ESCAPE a second time to reactivate Operation Normal mode up one level The Comms Information display contains the following items Comms INFO CM 00 90 EA 12 34 56 CPE 00 90 EA 12 34 57 CM 192 168 123 123 CPE 192 168 123 124 CM Rx PWR 12 9 dBmV CM Tx PW...

Page 39: ...nued 4 3 Smart Display modes for XM2 300HP continued 4 3 3 Setup Menu Pressing ENTER while in the Comms Status display opens the Setup Menu one level below the Comms Status display Using the Setup menu you can view and change the programmable operating parameters of the power supply or the optional PIM Setup Menu navigation is similar to the Operation Normal menu Press UP or DOWN to access the Sin...

Page 40: ...050 S 0 S 9999 S MHO 1 Date 01 10 01 00 12 30 Battery 1 Life 5 Y 0 Y 10 Y Battery 1 Age 0 0 Read Only 0 Read Only MHO s Minor Level 80 20 80 MHO s Major Level 60 20 80 Standby Time 0 0 65335 Standby Events 0 0 65335 Total Runtime 0 0 65335 Self Test Off Off Yes Test Interval 30 Days 0 Days 360 Days Test Inhibit 7 Days 7 Days Discharge 00 00 50 Test Duration 10 Min 5 Min 180 Min Test Countdown 30 D...

Page 41: ...BATTERY 1 LIFE 5Y BATTERY 1 AGE 5Y BATTERY 2 LIFE 0 MO BATTERY 2 AGE 0 MO MHOS MIN LEVEL 80 MHOS MAJ LVL 60 STANDBY TIME 65 M STANDBY EVENTS 12 TOTAL RUN TIME 365D SELF TEST OFF TEST INTERVAL 30D TEST INHIBIT DISCHARGE 00 TEST DURATION 10 M TEST COUNTDOWN 30D FREQ RANGE 3 0HZ PIM OPTION YES RESET OUTPUT 1 RESET OUTPUT 2 OVER CURR 1 15 0A OVER CURR 2 15 0A RETRY DELAY 60S RETRY LIMIT 20 OVER CURR T...

Page 42: ...ion Normal COMMSINFO Single step Information To Single step Single step Information SETUP MENU Single step information Auto Scroll Information Operation Normal Back Auto Scroll To Program Mode Selection returns to Single Step Set Up Menu To Accept New Data To Accept New Data To Abort Edit using LEGEND Control Panel Key Display Symbol Description UP Arrow DOWN Arrow ESCAPE ENTER BATT SPANNUNG Auto ...

Page 43: ...P Arrow DOWN Arrow ESCAPE ENTER Back to Single step Setup Menu Output Overload Auto scroll Information 1 Output Short Ckt 2 Too Much Load 3 Chk Output Current Sample Active Alarm Back to Auto scroll Help Screens To Help screens for selected alarm Self Test Fail Low Batt Volts High Batt Volts No Batteries Batt Temp Probe Line Isolation Output Failure Output Overload Output 1 Tripped Output 2 Trippe...

Page 44: ...ss DOWN to scroll through the list of remedies Alarms are classified in two categories MAJOR Alarms are indications of a serious failure within the XM2 300HP such as a loss of output voltage or a failed battery charger Any situation that causes output failure is considered a Major Alarm Major alarms require immediate action to correct the failure To correct major alarms follow the Smart Display on...

Page 45: ... failed or shutdown possible battery over temperature 1 RESEAT INVERTER 2 PERFORM SELF TEST 3 REPLACE INVERTER INVERTER TEMP Inverter heat sink has exceeded set temperature Stand by operations suspended until temp drops to safe level 1 CHECK VENTILATION 2 REPLACE INVERTER CONFIG ERROR The power supply is improperly configured and opera tion is suspended until error is corrected 1 CHECK INVERTER MO...

Page 46: ...LIMIT AC Input current exceeds threshold setting 1 REDUCE OUTPUT LOAD 2 CHECK INPUT CURRENT LIMIT SETTING BATT DELTA MHO S LOW Conductance delta minor alarm threshold has been exceeded 1 CHECK ALARM THRESHOLD 2 REPLACE BATTERY BATT TEMP PROBE Remote Temp Sensor RTS failed or is not connected 1 CHECK CONNECTION 2 REPLACE SENSOR BATTERY AGING ALARM The battery is nearing the expected end of life 1 V...

Page 47: ... been detected If the Output LED is off a major alarm has been detected The red Alarm LED flashes to indicate a major alarm has been detected This state clears when the alarm is no longer present Under typical operating situations the red Alarm LED is off This indicates normal power supply operation OUTPUT LED green SOLID Operation Normal FLASHING Minor Alarm OFF Major Alarm ALARM LED red FLASHING...

Page 48: ...vercurrent Trip level Secondary leg Value of RMS current that causes an overcurrent trip on the Output 2 protection relay after a specified delay This limit is linked to counter data item Overcurrent Tolerances Period This parameter is only visible when the optional PIM is installed Major Conductance Alarm The alarm issued when the battery conductance is below the critical level This is an indicat...

Page 49: ...10 second self test 30 seconds after initial start up Standby Events XM2 300HP standby events counter This does not include self test events Use the Setup Menu to reset Standby Events to zero Standby Time The total amount of time the XM2 300HP has operated in standby mode This does not include self test time and represents the sum total number of minutes of AC line failure since the last time the ...

Page 50: ...neously or by changing the Self Test switch via the front panel interface or status communications You can also start a self test via the status monitoring card To prevent an automatic test scheduled to occur in the next week issue a Test Inhibit command This command is useful if periodic maintenance of the power supply is scheduled close to the next scheduled automatic test This control feature m...

Page 51: ... utility powering system is in the OFF 2 position This ensures that if power returns suddenly you will not experience a surge in power This also ensures when you connect the generator it will not put AC voltage back onto the power lines Properly ground the generator by connecting a 6 AWG wire from the grounding 3 lug on the output panel of the generator to either a driven ground rod or the strand ...

Page 52: ...ff frequency due to the step loading of the power supply 4 8 2 Using a Truck mounted Inverter or Generator To use a truck mounted inverter or generator follow the steps listed in Section 4 8 1 with the additional step of grounding the truck Run the ground wire from an unpainted point on the truck chassis to either a driven ground rod or strand ground to complete the grounding circuit The rubber ti...

Page 53: ...as the grounding circuit to the power supply is broken If the battery is at or below the low voltage cutoff then the power supply will NOT trans fer to battery back up and there will be a momentary power outage to the cable system while you make this changeover Turn on the AC input power 3 Shut down the generator and remove the grounding system 4 4 0 Operation continued 4 9 Resumption of Utility P...

Page 54: ... for changes in temperature by adjusting float and accept charge voltages CAUTION The XM2 300HP must be serviced by qualified personnel Use heavy gloves when handling an XM2 300HP that has recently been taken out of service The transformer generates heat that may cause burns if handled with bare hands Alpha Technologies is not responsible for battery damage due to improper charger voltage settings...

Page 55: ...Output voltages using the Smart Display Record the voltages in the maintenance log 5 5 Output Current With the XM2 300HP in normal operating mode observe the Smart Display Output Current The value of output current is dependent on the total amount of load connected to the power supply Record the current in the maintenance log 5 6 Check Output Connections Inspect the XM2 300HP output connectors to ...

Page 56: ...to remove input power The XM2 300HP will go into standby operation Verify there is no interruption to the output Observe the battery voltage reported on the Smart Display If battery voltage drops below 11 5Vdc reapply utility power immediately After five minutes reapply utility power The power supply then transfers back to Operation Normal clears any alarms and starts the battery charger BULK mode...

Page 57: ...del Number Serial Number Operation Normal Input Voltage Output 1 Voltage Output 2 Voltage Output 1 Current Output 2 Current Battery Voltage Standby Events Standby Time Charger Mode Operation Mode Battery Temperature Charger Current Input Frequency Output Watts Output VA Percent Load Communications Status CM CM MAC CM Version CMTX CPE CPE MAC DSM Version CMRX Commissioning Service Technician Date S...

Page 58: ...ctions contained in the form to obtain an RMA Once an RMA number has been issued pack the unit per instructions and return to the service center assigned by Alpha Technologies Or if preferred contact Alpha Technologies at 800 322 5742 for assistance Any information pertaining to the nature of the power supply failure or problem along with a copy of the power supply s maintenance log should be incl...

Page 59: ...l panel to protect emergency personnel However power is still present at the output To prevent the possibility of injury to service or emergency personnel always follow this procedure to safely shutdown the power supply Emergency Shutdown Procedure STEP 1 Turn the battery switch to OFF STEP 2 Unplug the AC Input Line Cord from the service entrance STEP 3 Disconnect both the Output 1 and Output 2 c...

Page 60: ...ficiency 93 Line Mode 86 Inverter Mode 93 Line Mode 86 Inverter Mode PIM Option 2 outputs 3 5 5A 2 outputs 1 5A Smart Display Std 2x20 backlit LCD Std 2x20 backlit LCD BATTERY Battery Voltage 12Vdc 12Vdc Low Voltage Cutout 10 5Vdc 10 5Vdc Float Voltage 13 6Vdc nominal 13 6Vdc nominal Equalize Voltage 14 4Vdc nominal 14 4Vdc nominal Temp Compensation 0 0 to 0 005Vdc C C 0 0 to 0 005Vdc C C Current ...

Page 61: ... UL CSA 60950 1 Electromagnetic Compatibility EMC FCC Part 15 sub part B Class B when installed in Alpha enclosure European Union Product Compliance Safety CE Low Voltage Directive 2006 95 EC Technical Standards EN 62040 2 Category 1 when installed inAlpha enclosure EN 60950 1 EN 50083 2 2006 CATV EMC when installed in Alpha enclosure Electromagnetic Compatibility EMC EMC Directive 2004 108 EC Tec...

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