Alpha FXM 650 Installation & Operation Manual
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Alpha FXM 650 Installation & Operation Manual

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Download this manual See also: Operator's Manual, Operation & Installation Manual
Alpha FXM 650, 1100, 2000 UPS
Installation & Operation Manual
Part # 017-230-B4
Effective: 07/2013
Your Power Solutions Partner
member of The
Group
™

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Summary of Contents for Alpha FXM 650

  • Page 1 Alpha FXM 650, 1100, 2000 UPS Installation & Operation Manual Part # 017-230-B4 Effective: 07/2013 Your Power Solutions Partner member of The Group ™...
  • Page 3 Canada and USA: 1-888-462-7487 International: +1-604-436-5547 Copyright Copyright © 2013 Alpha Technologies Ltd. All rights reserved. Alpha is a registered trademark of Alpha Technolo- gies. No part of this documentation shall be reproduced, stored in a retrieval system, translated, transcribed, or trans- mitted in any form or by any means manual, electric, electronic, electromechanical, chemical, optical, or other- wise without prior explicit written permission from Alpha Technologies.

  • Page 4: Table Of Contents

    5.4 UATS and (UGTS) Option ....................19 6. Operating the Alpha FXM....................20 6.1 Switching the Alpha FXM On and Off ................. 20 6.2 Operating from the Control Panel Interface ............... 21 6.3 Operating via the FXM Communication Module (Intranet or Internet) ....... 30 6.4 The Alpha UPS Monitor Interface ..................
  • Page 5 9.  Specifications ........................80 10. Warranty ...........................83 11. Emergency Shutdown Procedure ..................84 Appendix A - Peukert Number and Battery Capacity ..............85 A.1 Introduction ........................85 A.2 Determining the Peukert’s Number and Peukert’s Capacity ..........85 A.3 Determining Peukert’s Capacity for Series Parallel Combinations ........85 A.4 Example ..........................

  • Page 6: Safety

    If there are any questions regard- ing the safe installation or operation of this product, contact Alpha Technologies or the nearest Alpha representa- tive. Save this document for future reference.

  • Page 7: General Warnings And Cautions

    Place warning label(s) on the utility panel to tell emergency personnel a UPS is installed. • The Alpha FXM uses more than one live circuit. AC power may be present at the outputs even if the system is disconnected from line or battery power.

  • Page 8: Certifications And Compliances

    • Never let live battery wires touch the Alpha FXM, the enclosure or any other metal objects. This can cause a fire or explosion. • Never dispose of batteries in a fire. The batteries may explode. Follow the manufacturer’s directions and check with your local jurisdictions for safe battery disposal.

  • Page 9: General Description

    2.1 Overview The Alpha FXM is available in 3 models – FXM 650, FXM 1100 and FXM 2000. The FXM 650 and the FXM 1100/2000 look different, but all of the front panel connectors and circuit breakers operate in the same way. How- ever the circuit breakers for each unit have different ratings.
  • Page 10 Shed" on page 41 and section 6.5.7 on page 66 for the HyperTerminal interface. For Contact C6, the default factory configuration is +48 Vdc output (FXM 650-24 is +24 Vdc), but it can be fac- tory configured as a dry contact. Figure 2 shows the contact’s layout while Figure 3 shows the +48 Vdc or +24 Vdc terminal block layout.
  • Page 11 C5: The C5 contact is energized when any alarm is generated—see "Table P — Alarm Submenu" on page 78. C6: The factory default layout for the C6 contact is a relay that is energized when the Alpha FXM is in Line or Inverter modes and is de-energized when in Standby mode.
  • Page 12 ATS (C8): When the Alpha FXM is in the Inverter mode, this normally open relay closes sending 48 Vdc (FXM 650-48, 1100, 2000) or 24 Vdc (FXM 650-24) from the external batteries to this dry contact (Figure 5). If the op- tional Alpha Off-Line Automatic Transfer Switch (ATS) is connected, it will cause the ATS to switch the load from line power to the Alpha FXM battery backup power.

  • Page 13: Site Planning

    The Alpha FXM is suitable for installations in Network Telecommunication Facilities and locations where the National Electrical Code applies. Grounding: The Alpha FXM is suitable both for installation as part of a common bonding network and an iso- lated bonding network.

  • Page 14: Communicating With The Alpha Fxm

    2. Using an RS-232 interface, you can access the UPS command line system with Windows HyperTerminal or other terminal emulation program. 3. Using an RS-232 serial connection via the Alpha UPS Monitor installed on your computer. The Alpha UPS Monitor software can be downloaded from www.alpha.ca/downloads/.

  • Page 15: Electromagnetic Compatibility (Emc) Requirements

    3.3 Electromagnetic Compatibility (EMC) Requirements Observe the following EMC requirements when setting up the Alpha FXM and its internal equipment: • All AC mains and external supply conductors must be enclosed in a metal conduit or raceway when speci- fied by local, national, and/or other applicable government codes and regulations.

  • Page 16: Unpacking Alpha Fxm

    4. Unpacking Alpha FXM WARNING! The Alpha FXM is heavy, up to 16 kg (35 lb). Use proper lifting techniques. The lifting and moving should be done by at least two people to avoid injury. Follow these guidelines for unpacking the Alpha FXM.

  • Page 17: Installation

    The Alpha FXM must be installed in a restricted area accessible only by qualified ser- vice personnel. Once the installation location has been planned and prepared, you are ready to install the Alpha FXM. There are three steps to setting up the Alpha FXM: 1.

  • Page 18: Mounting The Alpha Fxm

    5.2 Mounting the Alpha FXM The Alpha FXM can be placed on a shelf with no other parts needed. Any version of the FXM can be rack or wall mounted or secured to a shelf, such as on an outdoor enclosure shelf, with the optional mounting brackets as shown in the figure below The brackets and the screws to attach them to the Alpha FXM case are available from Alpha Technologies (part number 740-697-21).

  • Page 19: Wiring The External Batteries

    For the FXM 650-24, the battery string is 24 Vdc. For the FXM 650-48/1100/2000, the battery string is 48 Vdc. • If you are making your own battery wiring harness, use at least 10 AWG (for FXM 650/1100) or 8 AWG (FXM 2000) wires.
  • Page 20 5.3.2 Wiring the Alpha FXM WARNING! Make sure the line power is off. Switch off all circuit breakers on the Alpha FXM before making any electrical connections. If stranded wires are used to connect the input and output terminal blocks, ferules or equivalent crimping terminals must be used.

  • Page 21: Uats And (Ugts) Option

    Automatic Transfer Switch (ATS) and Generator Transfer Switch (GTS) products. They are optional add-on switching units specifically designed for the FXM UPS family (FXM 650, 1100 and 2000), the Micro UPS family (Micro 300 and 1000) and the Alpha FXM350/ Micro350 UPS. These switching units provide power and/or bypass capacity (automatic or manual) so that the operator may safely disconnect the UPS from line or generator power for easy removal and servicing.

  • Page 22: Operating The Alpha Fxm

    LINE, BUCK or BOOST. The status LED illuminates. 3. If there is no line power, the Alpha FXM remains in the STANDBY mode until the line power is qualified. To provide backup battery power to the load, perform a manual start by using the Inverter command: From the Control Menu, scroll till the LCD displays Inverter, press Select and select ON.

  • Page 23: Operating From The Control Panel Interface

    Figure 9 — LCD Control Panel Logo Screen The Alpha FXM operating mode automatically changes as a result of changes in the line or the Alpha FXM op- erating mode. (The LCD panel automatically updates to reflect the new mode. See Table A and also "Table V —...
  • Page 24 Logo Screen   Starting at the Logo Press the SCROLL button to move between (Figure 9) Screen, press the SELECT the menus. The SCROLL button moves only in one button to go down one level. direction, so if you overshoot, you have to go all the way around the menu tree again.
  • Page 25 Alpha FXM outputs and other invisible and disabled on the LCD. for connection to traffic values. The available until the Alpha FXM has Press the SELECT intersection equipment measurements are: a malfunction. button to access the or other applications.
  • Page 26 6.2.1 The LCD Control Menu The control menu (Table B) lets you operate the Alpha FXM or program it to suit your operating conditions. Procedure 1. From the Logo screen go to the Control menu. 2. Press the SELECT button to enter the submenu (Table B).
  • Page 27 Alpha Technical Support (1 888 462 7487). Failure to contact Alpha Technologies before doing this procedure could void your warranty. Set how long it takes for the Alpha FXM to return to Line mode after the line has Line qualify become requalified to make sure the line is stable. The factory default setting ...
  • Page 28 6.2.2 Battery Charging Options CAUTION! The adjustments to the charge algorithm must be made only by qualified personnel, who understand the different charging modes and their suitability to the battery chemistry. 120/60/N Alpha FXM2000 STANDBY CANCEL SCROLL SELECT Standard Battery Charging For more information on standard battery charging, refer to the web GUI description "UPS Maintenance >...
  • Page 29 Bulk Battery Charging Selecting Bulk allows programming of the max voltage and the float voltage. For more information on bulk battery charging, refer to the web GUI description "UPS Maintenance > Battery" on page 38. 1. Put the unit in STANDBY mode before starting this procedure. 2.

  • Page 30: Making Measurements

    6.2.4 Making Measurements The System Status menu lets you make measurements of various Alpha FXM inputs, outputs, temperatures and other values. Procedure 1. From the Logo screen go to the System Status menu. 2. Press the SELECT button to enter the submenu (Table E).
  • Page 31 MENUS 2. Press the SELECT button to enter the submenu. 3. The following log screen appears. OPERATING MODE the DATE EVENT HAPPENED Alpha FXM was in when the (YY:MM:DD) (Depends on event happened (LINE shown) selected date format) LINE 06:11:29...

  • Page 32: Operating Via The Fxm Communication Module (Intranet Or Internet)

    6.3 Operating via the FXM Communication Module (Intranet or Internet) The internet or a company intranet can be used to communicate with the Alpha FXM through the factory-installed FXM communication module. Screen selection menus Current UPS operating mode. Updates automatically.

  • Page 33: Installation And Set Up

    Procedure 1. Connect the Alpha FXM to a personal computer with either the cross over cable or through a hub. 2. Switch on the personal computer. 3. Configure the network card to talk to the FXM communication module. The module default address is http://192.168.0.90.

  • Page 34: Ups Specifications

    These read-only screens show the Alpha FXM current input and output values and other measurements. UPS Monitoring > Input & Output Shows the current line input and Alpha FXM output values and the Alpha FXM present operating mode. Figure 15 — UPS Monitoring: Input & Output screen...
  • Page 35 UPS Monitoring > Battery & Inverter Shows the battery string status and how many times and for how long the inverter has been active. The appearance of the Battery Parameters table depends on the choice of charging method—see "UPS Mainte- nance >...
  • Page 36 Monitoring > Relay & Load Shed Shows how the front panel dry contacts are configured. If any relays are used for load shedding, the time setting is shown. Figure 18 — UPS Monitoring: Relay & Load Shed screen Monitoring > User Input Status Shows the current status of the user programmable inputs 1 to 4.
  • Page 37 6.3.4 UPS Maintenance Menus Use the UPS Maintenance screens to configure and adjust the Alpha FXM to meet your operating needs. To change parameters, either click the On/Off buttons or select an item from a drop down menu. To execute the changes, click on the Update Configuration button.
  • Page 38 Restoring All Parameters to Default Values The purpose of this command is to reset the Alpha FXM to the factory default parameters in Table D. Battery charger related defaults are reset according to the charging method selected at the time the defaults are applied.
  • Page 39 Table D — Parameters/ Default Settings End minute of rush hour of time of day action period #2 Format setting of date display on LCD YY-MM-DD Line qualify time (sec) Inverter off delay setting (sec) Number of weeks setting of periodical self-test Day of the week setting of periodical self-test Monday 00:00:00...
  • Page 40 UPS Maintenance > Battery Setting the Battery Charging Method to Standard or Bulk in the Battery Primary Configuration table determines which parameters can be set or adjusted. See Figure 22 and Figure 23. The Standard charging method is the default setting. Standard Charging Method Standard Charger Mode : Charger stops charging when the battery is...
  • Page 41 NOTE: The Battery Runtime Remaining algorithm attempts to calculate the health of the battery to get a more accurate prediction of the remaining battery runtime. An accurate estimate of the battery health requires that at least one battery discharge greater than 20% depth of discharge has taken place since the unit was switched on. When the unit is powered up from an off state, the algorithm assumes that a new battery is connected to the unit.
  • Page 42 The delay can be adjusted in 1 second steps with a default setting of 0 seconds to a maximum of 600 sec- onds (10 minutes). The delay is only available in the Standby or Inverter modes. Once the Alpha FXM returns to the Line mode, the delay resets to 0 seconds.
  • Page 43 UPS Maintenance > Relay & Load Shed The Alpha FXM has up to 6 dry contacts (C1 to C6) on the front panel, which can be configured to open or close for any of the following trigger conditions: On Battery...
  • Page 44 An example of a typical application of this timer-controlled dry contact function is control of a traffic light. When the grid power fails, the Alpha FXM goes into the Inverter mode and continues supplying backup power to the traffic light. Since the batteries supplying the backup power have limited capacity, a timer controlled dry contact is usually configured to switch the traffic light into the flashing amber or flashing red mode after a user-defined period to conserve battery power.
  • Page 45 Confirm your settings in the UPS Monitoring > Relay & Load Shed > Time of Day Action Status screen. Once the Time of Day Action is configured, the Alpha FXM will automatically disable the timers during the Inverter mode at the defined peak periods.
  • Page 46 Controlling the external fan with a temperature triggered dry contact The Temperature trigger has a user configurable range of +20°C to +55°C (68 – 131 °F). When the battery temperature (monitored by the Battery Temperature Probe) reaches the threshold, the assigned relay closes and turns on the external fan.
  • Page 47 Figure 32 — UPS Maintenance: Time & Date screen UPS Maintenance > Password: used to reset the Alpha FXM password, which is limited to 4 alphanumeric characters. The factory set password is 1111. Figure 33 — UPS Maintenance: Password screen...
  • Page 48 Any user input can be configured to perform a certain action in response to different trigger types and logic levels. For example, if you want the Alpha FXM to issue an intrusion alarm when the door is opened, you need to wire the door with a switch that triggers a user input every time the door is opened.
  • Page 49 Figure 37 — User Input Current Status Perform a quick test by shorting the User Input 1 to SC (ground) with a short length of PVC insulated electronic wire. The Alpha FXM should issue a User Input Alarm . Figure 38 — User Input Current Status Hovering the cursor over the amber indicator displays the corresponding context sensitive message.
  • Page 50 6.3.5 Event Manager Alarms & Faults This read-only screen shows the operating status of the Alpha FXM. When the fault or alarm indicators on the horizontal bar are illuminated, place the mouse cursor over the light to display the context sensitive message.
  • Page 51 All Events To see the latest events, click Get Events and wait for the latest events to download from the FXM. It might take a couple of minutes to download all of the events to the web page (depending on the total number of events). If you leave the page before the download is finished, you will have to start over when you come back.
  • Page 52 6.3.6 Upgrade Files This feature is available only on Alpha FXM UPS equipped with the network interface card factory option. To upgrade the Communication module, browse to the .ezip file and click OK to start the upload. This may take a few minutes to complete.
  • Page 53 6.3.7 Configure Site Information This screen is used to enter site location information into the UPS memory. Figure 44 — Configure Site Information 6.3.8 Communications Configure TCP/IP See section 6.3.1. Configure SNMP The Configure SNMP screen is used to configure the UPS for use with SNMP communications. Figure 45 —...
  • Page 54 Email Notification NOTE: The FXM communications module does not pass authentication details to the SMTP server. You must enable anonymous authentication in the SMTP server to allow the FXM to email anonymously. Enabling Email Notification sends an email message whenever selected UPS events happen. (See page 49 to configure logged events.) To create up to 4 different destinations, click Add Destination and then fill in the required fields: •...
  • Page 55 6. When the test starts running, log messages are displayed in Test Email Log text area. If after the test is finished, the test email does not arrive at its destination, copy the text from the Test Email Log and email it to Alpha tech support: alpha@alpha.com. Figure 47 — Test Email feature...
  • Page 56 6.3.9 Keep Alive Activation of the Keep Alive feature provides a method to restore communications when a communication failure is detected. A reset temporarily removes power and resets the local communications equipment powered by this unit. Figure 48 — Keep Alive feature 017-230-B4 Rev B...
  • Page 57 Keep Alive Method to detect communication failure: a. Ping is the only option in the Protocol field. b. In the IP Address field, enter the IP address of this FXM. c. In the Delay Between Retry field, enter the delay between pings: minimum = 5 sec, maximum = 65535 sec.

  • Page 58: The Alpha Ups Monitor Interface

    The Alpha UPS Monitor graphical user interface (GUI) provides web or Windows like computer communications with the Alpha FXM. The screen and its features, shown in Figure 12, are used to monitor, control and set various parameters like the date and time, determine when to perform a weekly self test, change the relay configurations, etc.
  • Page 59 5. Scroll through the list of applications. If Microsoft .NET Framework is already in the list, Framework is already installed and you can install the Alpha UPS Monitor. If you don’t see it listed, you MUST install it from the Microsoft Windows update web site before installing the software.
  • Page 60 To view all events, click the View All button to open the Event Log Monitor window shown in Figure 52). Figure 51 — Alpha UPS Monitor: UPS Event History screen In the Event Log Monitor window, the events are displayed by date and time.
  • Page 61 If the unit has an Ethernet card, E-mail notifications can also be set up for alarms, faults, and mode change events. (See "Email Notification" on page 52.) Figure 53 — Enabling/Disabling the logging of events 6.4.3 Other Alpha UPS Monitor Functions Alpha UPS Monitor interface is similar to the Web interface. Refer to the corresponding heading in section 6.3. 017-230-B4 Rev B...

  • Page 62: Hyperterminal Interface

    6.5 HyperTerminal Interface The Alpha FXM front panel has a DE-9 female connector. When connected to a PC with Windows HyperTerminal or other terminal emulation software, the Alpha FXM can be remotely monitored and controlled with its command- line system.

  • Page 63: Main Menu Screen

    3. c. To update the main menu screen, press Enter. d. If you make a mistake and press Enter, the Alpha FXM echoes the command back exactly as you typed it. Press Enter and reenter the correct command.

  • Page 64: Main Menu

    HyperTerminal Menu Tree Submenus #1 and 2 are read-only screens for monitoring the Alpha FXM. To control the Alpha FXM, use sub- menus #3 and #4, the Maintenance submenus. 0-Main Menu Submenus Submenus 1-Unit Specifications 2-Input/Output Values 3-Maintenance Unit Model...
  • Page 65 Freq low Line frequency is too low. Freq high Line frequency is too high. 6.5.4 Output Status Output status reports how the Alpha FXM is producing power. For an updated value, press Enter. Table F — Output Status (see Figure 54) Line mode...
  • Page 66 Vout_Lo The output voltage is below specifications. Overload The Alpha FXM is overloaded. Remove excess loads. Backfeed A relay inside the Alpha FXM has failed and it cannot be replaced in the field. Contact Alpha Technologies customer service department. Bad_Battery The battery voltage has dropped below a specified level. Inverter shuts down.
  • Page 67 34 Line Qualify Time Lets you set the delay when the Alpha FXM goes from Inverter mode to Line mode after the line becomes re-qualified. The purpose of this delay is to make sure the line is stable before the Alpha FXM switches back to it.

  • Page 68: Programming The Dry Contacts

    6.5.7 Programming the Dry Contacts The Alpha FXM front panel contacts C1 to C5 can be programmed to meet your specifications. Dry contact C6 is by default factory hard wired to External Vdc. To configure C6 as a programmable dry contact, the unit must be sent back to the factory.
  • Page 69 Resetting the Dry Contact Settings To reset the dry contact settings to the factory default, type default and press Enter. The Alpha FXM responds with *default, showing it is reset. This command also resets the timer setting to the 2 hours factory default. See Table S on page 80 for the factory default settings of dry contacts.
  • Page 70 * Indicates that the Alpha FXM has responded to the command you entered. † If the date or time change is invalid, the Alpha FXM will return the time and date it was set to before you tried making the change.
  • Page 71 6.5.9 Viewing the Serial Number To display the serial number of the Alpha FXM UPS, type "∗QY0" at the command line and press "Enter". 6.5.10 Setting the Peukert Number and Capacity You can set the Peukert Number and Capacity using the HyperTerminal interface or the web interface. To display the current Peukert Number, type "∗QY6"...

  • Page 72: Event Log

    2. If less than 200 events occurred, the last entry will appear as: eventX=00/00/00  00:00:00  0000000000000000, 0000000000000000, 000 3. To clear the log, type eventclr and press Enter. It takes the Alpha FXM 30 seconds to clear the log. Do not enter any other commands during this time.
  • Page 73 6.5.12 Restoring All Parameters to Default Values The purpose of this command is to reset the Alpha FXM to the factory default state. See Table D on page 36 for a list of parameters that will be restored to their default values.

  • Page 74: Maintenance

    7. Maintenance 7.1 Upgrading the FXM Firmware The Alpha FXM firmware can be reinstalled or upgraded via an RS232 interface using FXM Programmer, or on the web. The web interface requires the factory-installed FXM communication module. 7.1.1 Upgrading using the RS232 Interface You will need the following items: •...
  • Page 75 6. Click on Open File to browse to the software file location (only .sx or .fbin files are supported) Click on Apply the update to the FXM unit. 8. Watch the progress bar and the Programming Messages window. (If there is a connection or any other kind of error, click on Apply the update again.) 017-230-B4 Rev B...

  • Page 76: Testing And Replacing The Batteries

    Temperature – higher ambient temperatures, especially above 25°C, will reduce battery life. For example, an average operating temperature of 27°C will likely reduce the life of the battery by 25%. Ensure that the Alpha FXM and batteries are situated in a well ventilated area with adequate temperature control. A cool environment is preferable.

  • Page 77: Battery Maintenance

    New batteries will normally provide longer run times than older ones. Larger capacity batteries may be available. Contact Alpha Technical Support (1 888 462 7487) to order replacement batteries or to obtain assistance. On-site service may be available in your area.
  • Page 78 Procedure 1. The Alpha FXM must be in the Line state. If it isn’t, wait until the line is qualified before proceeding. 2. Switch the Alpha FXM into the Bypass State by doing one of the following: a. From the Alpha FXM control panel, navigate to the UPS Control Menu > BYPASS. Press the SELECT button once OFF is flashing.

  • Page 79: Preventative Maintenance

    Terminal batteries to the manufacturers specifications on if required. 6. Label the batteries #1, #2, #3 and #4. The battery negative cable from the Alpha FXM is connected to Battery #1, and the battery positive cable from the Alpha FXM is connected to Battery #4.

  • Page 80: Troubleshooting

    8. Troubleshooting When the front panel alarm LED is illuminated or flashing, the Alpha FXM has a malfunction. The alarm and fault submenus describe the malfunction. The Alpha UPS Monitor can also be used for troubleshooting. 8.1 Procedure 1. Press the SELECT button.
  • Page 81 This fault is also known requalifies the line. as a Low Battery Shutdown or Bad Battery. DANGER: Do NOT touch the AC input A relay inside the Alpha FXM has failed. Backfeed terminals. Contact Alpha Technical It cannot be fixed in the field. Support.

  • Page 82: Specifications

    Value FXM 1100-2000: 5.22 x 15.5 x 8.75 (133 x 394 x 222) Dimensions H x W x D FXM 650: 3.47 x 17 x 9 (89 x 432 x 229) mm (in) FXM 650: 25 (11.3) Weight without batteries kg (lb) FXM 1100-2000: 35 (15.9)
  • Page 83 Alpha FXM. Table T — Electrical Specifications Parameter Value Input Voltage (nominal), Vac 120 or 230, optional 208, 210, 240 for FXM 2000, 120 only for FXM 650-48 Frequency, Hz, ±5% 60/50 (auto-detection), Output frequency = Input frequency Current, Amps FXM 650-24: 8.7/4.5 @120/230 Vac FXM 650-48: 10.5 @120 Vac (@ nominal Vin and max FXM 1100: 15.5/8 @120/230 Vac...
  • Page 84 Table T — Electrical Specifications Parameter Value Battery Charger Current, FXM 650: 10 Amps FXM 1100/2000: 15. Battery Charger Temperature -5 mV/°C/Cell (factory default), user adjustable from 0 to -6 mV/°C/Cell in increments of Compensation 0.5. Battery type Anderson Power mating part SB50 or equivalent.

  • Page 85: Warranty

    10. Warranty Alpha Technologies Ltd warrants all equipment manufactured by it to be free from defects in parts and labor, for a period of three years from the date of shipment from the factory. The warranty provides for repairing, replacing or issuing credit (at Alpha’s discretion) for any equipment manufactured by it and returned by the customer to...

  • Page 86: Emergency Shutdown Procedure

    11. Emergency Shutdown Procedure The Alpha FXM UPS contains more than one live circuit. In an emergency, line power may be disconnected at the UPS input, but AC power can still be present at the output. 1. Switch OFF the input circuit breaker.

  • Page 87: Appendix A - Peukert Number And Battery Capacity

    Appendix A - Peukert Number and Battery Capacity A.1 Introduction The Alpha FXM series UPS units run on batteries when the AC utility power fails. In this mode, the user may want to estimate the remaining time that UPS batteries can supply power to the loads.

  • Page 88: Example

    The following example shows how to calculate Peukert’s number and capacity from a configured battery string. Consider four Alpha 195GXL batteries connected and configured as shown in the figure below. Two of the four batteries are connected in series, and the two series strings are connected in parallel to the 24 V DC output.

  • Page 89: Using The Spreadsheet

    A.5 Using the Spreadsheet Download the spreadsheet “Peukert’s Parameters Calculator.xls” from www.alpha.ca website. Enter the Battery voltage and nominal load From the data sheet of the batteries enter the 2 closest currents and discharge hours Enter the number of parallel strings...

  • Page 90: Appendix B - Types Of Triggers

    B.1 Edge trigger When the user input changes from one state to the other, the Alpha FXM is triggered to perform Action #1. If the level is set to High, the action will be triggered by a Low to High edge (leading edge). If the level is set to Low, the action will be triggered by the High to Low edge (falling edge).
  • Page 91 Level Alternative When the level is set to High, the Alpha FXM is triggered to perform the next action when the user input changes from Low to High. If the input then changes from High to Low, no action will be triggered because the level is set to High.
  • Page 96 Canada and USA: 1-888-462-7487 International: +1-604-436-5547 Visit us at www.alpha.ca Due to continuing product development, Alpha Technologies reserves the right to change specifications without notice. Copyright © 2013 Alpha Technologies. All Rights Reserved. Alpha® is a registered trademark of Alpha Technologies.

This manual is also suitable for:

Fxm 1100Fxm 2000

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