Home

American Power Conversion MX28B200 User's Manual

1. dd 51 traia 51 APC WORLDWIDE CUSTOMER SUPPORT uzaseurananennonannnnanunnanannnnanunnanannananunne 53 8 WARRAN TV pidiera 55 Page iv MX28B200 400 48 VDC User s Manual 990 9133 Revision History Revision Date By 31 JAN 2002 Converted to APC numbering 17 MAY 2002 Updated Format E e SRM Table of Figures FIGURE 2 1 1 MX28B 400 48 VDC POWER PLANT esee 3 FIGURE 2 1 2 MX28B BLOCK DIAGRAM land 4 FIGURE 3 4 1 BATTERY CABLE CONNECTION 2 2 10 FIGURE 3 6 1 DC DISTRIBUTION FRONT COVER REMOVED een 11 FIGURE 3 7 1 INSTALLATION OF CIRCUIT BREAKERS ee 14 FIGURE 3 7 2 GMT FUSE TEMPERATURE DE RATING CHART 15 FIGURE 3 8 1 STANDARD LUG FOR 1 TO 50 5 2 22 2 22 2 16 FIGURE 3 8 2 ADAPTOR AND LUGS FOR 60 100 AMP BREAKERS 17 FIGURE 3 8 3 INTERFACE BOARD na dr 17 FIGURE4 6 1 MENUTOB LINE tus ei Se 21 MX28B200 400 48 VDC User s Manual 990 9133 Page v 1 Safety First It is very important to follow all safety procedures when unpacking installing and operating any sort of power equipment 1 1 Warning Symbols CAUTION An indication that special care is required to prevent injury equipment damage or misuse WARNING An indication of an electrical hazard that may c
2. l E test E o IN E y En est 1 Test n Rly t Rly i SET ALM PARAM Rect Stdby Alm Rect CL Alm lm Rect RFA Alm MX28B200 400 48 VDC User s Manual 990 9133 MOD REC LM PARAM INFO Rect Fail Safe Page 39 LeveljSecond Level Third Level Fourth Level Rect Desc Rect Curr Rect CL Rect FF Rect RFA MOD MOD CIR CT CIR BKR GMT SET ALM ALIAS Cir Bkr 1 A F Cir Bkr 2 A Cir Bkr 3 A CILE l Cir CELA R AS Cir I CIE er gt Eir Bkr 22 Case BKE 23 Cir Bkr 24 MOD MOD GMT KR GMT LVD SET ALM ALIAS T 1 Alm T 2 Alm T 5 Alm T 6 Alm Page 40 MX28B200 400 48 VDC User s Manual 990 9133 Level Second LevellThird Level Fourth Level MOD GMT t LM ALIAS H Q Q alalala A Ol Jg MOD LVD oe LVD SET ALM PARAM Option D Open Al D 2 Option D 2 Open Al MOD LVD LM PARAM LVI Trip A lt c Reset E lt UO Trip Reset m ALM PARAM c Batt Disc Thr Batt Disc Alm 5 R Batt HV I Batt HV Al um 3 Batt LV T 1 5 3 Batt HT T 5 R Batt HT Al
3. 2 OUT RLY Page 38 Third Level Batt T Alm T Hw Sys Alm LVD Alm IN 1 IN 2 Address 1 Address 2 Address 3 Fahrenheit FW Version SYS 0UT RLY MAP AL SYS 0UT AP AL Fourth Level lay Type Rly 2 Al O O O Rly 3 Al O tioj E Rly 4 A I A ly 5 A ly 6 A Is ty ct ct L ty Og ct 1 20 Og E lt 99 lt EIE ct ct EE lt lt aj lt lt O E Jg lt o O e ieee qu lt lt IAS 2 e e ct ct K lt 28 200 400 48 VDC User s Manual 990 9133 LeveljSecond Level Third Level Fourth Level X28B200 400 SYS LY IN RLY DIAG SYS LY DIAG TG EM MODULES BATT T MOD REC R BKR AAA SYS IN RLY MAP ALIAS RLY MAP lm LE aroa SYS IN AP ALIAS Store store Lamp Test a Out Rly 4 Out Rly 5 R Relay Major la R R R Rly 4 A R R R R y 1 y 1 y 2 y 3 y 4 MOD REC i
4. 1 50 Amp or up to 12 double 60 100 Amp breakers may be installed Figure 3 6 1 shows the power plant s DC distribution section with the front cover removed Figure 3 6 1 DC Distribution Front Cover Removed Available plug in circuit breakers are shown below These are only breakers and do not include any hardware MX28B200 400 48 VDC User s Manual 990 9133 Page 11 Plug in Circuit Breakers BREAKER PART NUMBER BREAKER PART NUMBER RATING RATING 00400 0014 40A A FFA0020 0020 0015 I 0025 60A 5303088 wa Faoz ma soo sa seee s a a Faos woa 9A aos Plug in circuit breakers rated at 60A or more require two mounting positions and require a circuit breaker adapter which is included in the circuit breaker kit Adaptors are available with studs for 10 32 nuts on 5 8 centers 10 32 nuts on 34 centers or 14 20 nuts on 1 centers The circuit breaker kit includes all necessary mounting hardware Available plug in circuit breakers are shown below Plug in Circuit Breaker Kits BREAKER PART NUMBER ADAPTOR SIZE RATING amp A Ya studs on 1 centers 10 studs on 5 8 centers 10 studs 34 centers Ya studs on 1 centers 10 studs 34 centers 14 studs on 1 centers 10 studs on 5 8 centers 10 studs on 34 centers Ya studs on 1 centers Page 12 MX28B200 400 48 VDC User s Manual
5. The PSCU will monitor system current by summing the current reported by individual rectifiers The PSCU will report a number of system alarms including system high low voltage and high low temperature Refer to Section 4 6 for PSCU control functions 4 4 DC Distribution Distribution is included for up to 24 plug in circuit breakers These circuit breakers can be 1 to 100 amps with 60 100 amp breakers requiring two positions and a circuit breaker adapter kit When a circuit breaker trips a normally open switch closes and a CB alarm is reported by the PSCU To disconnect a load attached to a circuit breaker move the lever to the down OFF position NOTE Circuit breaker alarm contacts close when the circuit breaker is tripped but not when it is turned OFF Eight GMT fused outputs are also available as an option This option uses one of the 24 available circuit breaker positions When a GMT fuse trips an alarm spring is revealed that visually indicates the fuse is blown The alarm spring also makes contact with a third contact on the fuse holder which connects the 48 VDC bus voltage to the GMT fuse alarm input in the PSCU Upon measuring voltage on this alarm circuit the PSCU will report a GMT fuse alarm To disconnect a load attached to a GMT fuse pull the fuse out of the fuse socket NOTE GMT fuse alarm contacts complete the alarm circuit when the fuse is tripped but not when the fuse is removed 4 5 Battery Management Battery
6. 1 The return bus provides 24 sets of threaded 10 32 holes 5 8 centers and four sets of threaded 14 20 holes on 3 centers for connection of two hole lugs on load return wires Load Connections should be made as shown in Figure 3 8 2 Page 16 MX28B200 400 48 VDC User s Manual 990 9133 2 Figure 3 8 2 Adaptor and lugs for 60 100 Amp breakers GMT Fuse Connections GMT fuses are only connected to 48VDC if the system has been purchased with the GMT fuse option This option supplies 48VDC to lugs on the interface card through 6 AWG power cables controlled by a 50 Amp circuit breaker located in circuit breaker Position 1 The 2 hole lugs on both ends of the power cables have 10 holes on 5 8 centers Connections to the GMT fuses are made at terminal block connectors labeled F1 through F8 that are located on the interface card mounted in the top left side of the unit The connector is sized to accept 12 28 AWG wire Each connector has two positions labeled 48V and RTN for connection of the 48V DC load and load return wires Refer to Figure 3 8 3 for Interface board connections N ker o ADVANCE POWER EAA 0075 Figure 3 8 3 Interface Board MX28B200 400 48 VDC User s Manual 990 9133 Page 17 3 9 Monitoring and Relay Output Connections Front Panel DB9 Connection The front panel DB 9 connector is used to hook up a standard serial cable for the APC proprietary
7. 51 7 APC Worldwide Customer Support Customer Support for this or any other APC product is available at no charge You can contact APC Customer Support in any of the following ways e Use an web page to find answers to frequently asked questions FAQs to access documents in the APC Knowledge Base and to submit customer support requests o http www apc com Corporate Headquarters Connect by links to APC web pages for specific countries and regions each of which provides customer support information o http www apc com support Submit customer support requests e Contact Local or regional APC Customer Support by telephone or e mail o For e mail addresses and local country specific customer support telephone numbers worldwide refer to http www apc com support contact o For e mail addresses and technical support telephone number of major APC regional customer support centers use the following list APC Headquarters 800 800 4272 US and Canada i vy A 4APC Latin America 401 789 5735 US a Europe Middle East 353 91 702020 Ireland Africa 2 apceurtech apcc com Japan 03 5434 2021 jSupport apcc com e Contact the APC representative or other distributor from whom you purchased your APC hardware device or APC software application for information on how to obtain local customer support MX28B200 400 48 VDC User s Manual 990 9133 Page 53 8 War
8. Charging and Protection Battery charging and protection are integrated into the MX28B DC power system to support the primary function of providing power to the load Accurate measurement of battery parameters like voltage current and temperature are used to maintain and protect the batteries attached to the power plant Charging the battery at the correct rate reduces battery heating increases the charge returned to the battery and prevents excess hydrogen generation or in the case of VRLA MX28B200 400 48 VDC User s Manual 990 9133 Page 25 batteries possible thermal runaway Battery Maximum Recharge Current is set to the appropriate rate which is usually based on the size of the battery plant in Ampere hours A typical recharge current setting is battery capacity abbreviated as divided by number of charging hours As an example a C 10 rate will basically return the battery to full charge in 10 hours A C 8 rate is probably the highest current which should be considered for charging under normal circumstances Battery Temperature Compensation The Battery Float Voltage 15 set to the value recommended by the battery manufacturer in order to maintain correct battery charge at 25 C As temperature rises electrochemical activity in a battery increases Similarly as temperature falls electrochemical activity in a battery decreases As temperature rises charging voltage should be reduced to prevent overcharge and increase
9. DC Network Solutions Inc assumes no responsibility for any work accomplished or expenses incurred except with expressed written consent from APC DC Network Solutions Inc 5 APC DC Network Solutions Inc shall not be liable to the user purchaser or any third party for indirect incidental or consequential damages such as but not limited to loss of use loss of profits costs associated with removal installation of a defective product s or component s arising out of the sale or relating to the use of this product and the user purchaser assumes responsibility for all personal injury and property damage resulting from the handling possession or use of the product In no event shall the liability of APC DC Network Solutions Inc for any and all claims including claims of breach of warranty or negligence exceed the purchase price of the product that gave rise to the claim The above warranty is in lieu of all other remedies including actions for contract or negligence All other warranties expressed or implied including but not limited to the implied warranties of merchantability and fitness for a particular purpose are hereby excluded MX28B200 400 48 VDC User s Manual 990 9133 Page 55
10. F 3 Batt LT T 5 H Batt LT A LM PARAM COMP Batt Float MX28B200 400 48 VDC User s Manual 990 9133 Page 41 5 H Bip S Jg N 3 LeveljSecond Level Third Level Fourth Level Batt Max Rech D W Xo H Qe O Z FU Comp Method H Q Comp Comp HKnee Comp LKnee X28B200 400 ES BATT PIN OEM X28B200 400 TT N OEM O FU T E H z H u ct O O Front Panel LED Indicators On when Major Relay is de energized On when Minor Relay is energized On when no alarms are active On when Output Relay 1 is energized On when Output Relay 2 is energized ALM 4 Red On when Output Relay 4 is energized ALM 5 Red On when Output Relay 5 is energized ALM 6 Red On when Output Relay 6 is energized MIN Red On when Minor Relay is energized Red Red On when Output Relay 3 is energized Red MAJ Red On when Major Relay is de energized This will produce a major relay output even when all power is lost Page 42 MX28B200 400 48 VDC User s Manual 990 9133 4 7 Alarm Outputs Output Relays There are eight alarm output relays designated Relay 1 through Relay 6 Minor and Major respectively Various system parameters may be programmed to activate any of these alarm relays when set thresholds are exceeded or
11. GUI that will be introduced at a later date Do not hook up the special RS 232 cable APC part number 940 0024C This cable is only to be used with the DB 9 near the Web SNMP card Smart Cable DB9 Connection The DB9 connector on the top right hand side of the unit uses the special RS 232 cable APC part number 940 0024C to allow local access through a Terminal Emulation program like HyperTerminal or Procomm M RJ45 Ethernet Connector The optional management card has an RJ 45 connector to support a TCP IP protocol over a 10BaseT Ethernet Local Area Network LAN Relay Output Connections There are eight alarms available that provide outputs via Form relay contacts The last two of these are preassigned as the Minor and Major relay outputs The Major relay is energized NO C contacts closed during normal non alarm operating conditions all the other relays energize when an alarm condition occurs The other six outputs are initially designated as Relay 1 through Relay 6 the user may assign more meaningful names if desired The various system alarm conditions can be assigned to any of the eight alarm outputs Connectors J1 and J2 are located on the interface card mounted in the top left side of the unit Refer to the board layout in Figure 3 8 3 for Output Relay connections The relay contacts should only be used to switch resistive loads of 0 5 amperes or less at 60 volts or less The following shows the al
12. Level 1 discharge current exceeds this value 10 BATT SET ALM Battery Float Voltage One of three parameters that control the Security Level 1 DC output voltage Set the Float Voltage BATT PARAM at 25 C battery temperature per the battery manufacturers recommendations Battery High Temperature The output relay energized if the battery Batt HT Alm m Alarm temperature exceeds the Battery High Security Level 1 Temperature threshold BATT SET ALM Battery High Temperature Battery Temperature is temperature Batt HT Thr m Threshold measured at the battery probe An alarm 70 0 Security Level 1 is generated if the battery temperature BATT SET ALM exceeds this value Battery High Voltage Alarm The output relay energized if the DC Security Level 1 output voltage rises above the battery BATT SET ALM high voltage threshold Battery High Voltage Threshold An alarm will be reported if temperature Security Level 1 is lower than the temperature entered BATT SET ALM An alarm is generated if the DC output voltage rises above this value Battery Low Temperature The output relay energized if the Battery Batt LT Alm m Alarm Temperature drops below the battery Security Level 1 Low Temperature threshold BATT SET ALM Battery Low Temperature Battery Temperature is temperature Batt LT Thr m Threshold Security Level 1 measured at the battery probe An alarm 0 0 C BATT SET ALM is generated if the battery temperature drops below thi
13. RLY ALIAS For information on wiring connections to these inputs refer to Section 3 10 MX28B200 400 48 VDC User s Manual 990 9133 Page 43 5 Remote Monitoring 5 1 Description Remote monitoring and control of the DC power system is accomplished through the use of the optional APC Network Management card This card is a separate module mounted into the top panel of the system controller module Complete documentation for the use of the management card accompanies the DC power system in the form of a small Quick Start Guide and a CD The CD contains electronic copies of User s Manuals along with the necessary software utilities to support the management function 5 2 Physical Connections The management card has RJ 45 connector to support a TCP IP protocol over a 10BaseT Ethernet Local Area Network LAN The 9 pin D shell connector uses the special RS 232 cable APC part number 940 0024C to allow local access through a Terminal Emulation program like HyperTerminal or Procomm M 5 3 Command and Monitoring Protocol Refer to the User s Guides and associated documentation provided on the management card CD for the details on installation and use of the various communication protocols and command settings MX28B200 400 48 VDC User s Manual 990 9133 Page 45 6 Specifications The overall system specifications can vary depending upon the number of rectifier modules Note that some specification items are provid
14. SYSTEM DATE Page 36 System temperature measured within the Sys Temp control unit 26 7 C DESCRIPTION DISPLAY SCREENS DEFAULT SETTINGS System Temperature is ambient Sys LT Thr m temperature measured inside the 0 0 C controller An alarm will be reported if temperature is lower than the temperature entered The output relay energized if the System Sys LV Alm m4 Voltage is below the System Low Voltage Minor threshold System Voltage is bus voltage measured Sys LV Thr m by the controller An alarm will be 50 00 V reported if voltage is lower than the voltage entered System output voltage measured Sys Voltage between the MX28B DC power plant 54 00 V 48V and return buses Setting this parameter to ON de Test Maj Rly m energizes the Major Relay and turns on OFF the MAJ LED on the control unit front panel In normal operation Major Relay is energized so that when a loss of 48 VDC power occurs the relay will change state Setting this parameter to ON energizes Test Min Rly m4 the Minor Relay and turns on the MIN OFF LED on the control unit front panel Setting this parameter to ON energizes Relay 1 and turns on the ALM1 LED on the control unit front panel Setting this parameter to ON energizes Relay 6 and turns on the ALM6 LED on the control unit front panel This parameter must be set to Enable to permit the eight output rel
15. allow the probe body to touch the terminals Plug the connector end of the temperature probe into J5 of the control unit backplane card Route the cable as required positioning the probe on the selected battery cell Remove the adhesive protection strip from the probe body and press the adhesive side of the probe on the battery cell cover 3 5 DC SYSTEM GROUNDING The Positive Battery connection return bus for the power plant must be connected to the Master Station Ground The left end of the return bus provides a pair of threaded 3 8 16 holes on 1 inch 25 4 m centers for connection of a two hole lugged cable to the Master Station Ground Details for this connection should be provided in the site electrical grounding plans Page 10 MX28B200 400 48 VDC User s Manual 990 9133 3 6 DC Power Output Over Current Protection DC Circuit Breakers A standard 24 position plug in circuit breaker tier provides 48V distribution Various circuit breaker sizes from 1 to 100 amps are available with 60 100 amp breakers requiring two positions and a circuit breaker adapter kit The breaker tier is connected at its center to the 48V DC bus and each side has an ampacity of 300A It is therefore necessary to balance the load on the MX28B 400 plant to avoid overloading the output bus Also when planning the output installation take into consideration the configuration of the plant and the number of rectifiers installed Any combination of up to 24 single
16. current monitoring function The output relay energized if there is a hardware failure in the battery temperature monitoring function The output relay energized if there is a conflict between the commanded and sensed positions of the LVD contactor Generally the contactor is open when it should be closed The output relay energized if there is a hardware failure in the system temperature monitoring function The output relay energized if there is a hardware failure in the system voltage monitoring function MX28B200 400 48 VDC User s Manual 990 9133 DISPLAY SCREENS DEFAULT SETTINGS FW Version 000189 GMT 1 Alm Major GMT 8 Alm m Major Hw Batt C Almm Minor Batt T Almm Minor Sys T Alm m Minor Sys V Alm m Minor Page 31 PARAMETER MENU LOCATION Input Relay 1 Security Level 1 SYSTEM IN RLY RLY MAP Input Relay 4 Security Level 1 SYSTEM IN RLY RLY MAP Input Relay 1 Alias Security Level 1 SYSTEM IN RLY ALIAS Input Relay 4 Alias Security Level 1 SYSTEM IN RLY ALIAS Lamp Test Security Level 1 SYSTEM DIAG LVD 1 or 2 Option Security Level 1 MODULES LVD SET ALM LVD 1 or 2 Reset Security Level 1 MODULES LVD PARAM LVD 1 or 2 Trip Security Level 1 MODULES LVD PARAM LVD Alarm Security Level 1 MODULES LVD SET ALM Model Programming Security Level 2 SYSTEM SETUP OEM R Gain Security Level 2 OEM OEM R Of
17. persons in accordance with the NEC or the authority having jurisdiction Prior to installation drawings floor loading requirements external alarm points AC service entrance and grounding schemes should all be checked and confirmed If batteries are to be mounted in a room separate from the power plant careful attention should be paid to battery cable voltage drop effects Environmental operating temperatures and ventilation cooling considerations should also be noted not just for the power system but also for all other equipment that may reside in the power room area Mounting Both front mounting on standard 23 inch rails and optional wall mounting are available MX28B200 400 48 VDC User s Manual 990 9133 Page 7 Ventilation The rectifier modules for this system have fans that provide front to rear airflow for internal cooling The MX28B housing should mounted such that there 15 free airflow to the front top and bottom of the unit Refer to Section 6 6 for environmental characteristics Free airflow should be ensured so that the power system can provide full power at a given ambient temperature rating without de rating 3 3 AC Power Connections WARNING Ensure that all of the external DC and AC circuit breakers are in the OFF position prior to connecting service to the power plant Confirm that all voltages have been removed including any battery sources before proceeding The MX28B DC power plant requires the
18. preview and explanation of manual usage Installation How to unpack install and commission the equipment for initial use Operation Specifics of controls settings and indicators used to operate the unit Remote Special remote monitoring and control features Monitoring described with references to information on auxiliary equipment Specifications E Power plant and rectifier specifications APC Worldwide How to contact APC for customer support Customer Support EN UN Equipment warranty terms and conditions MX28B200 400 48 VDC User s Manual 990 9133 Page 5 3 Installation 3 1 Unpacking Equipment Remove equipment from packing material and inspect for shipping damage or missing items It is important to report damage or material shortages to the shipping carrier while a representative is on site If concealed damage or material shortages are found at a later time contact the shipper to make arrangements for inspection and claim filing Refer to Section 7 in the event it is necessary to return equipment to APC CAUTION Appropriate lifting techniques and safety equipment should be used to remove equipment from packing PLEASE RECYCLE The shipping materials can be recycled Please save them for later use or dispose accordingly 3 2 Mechanical Installation Room Location NOTE The APC Model MX28B DC power plant is to be installed in a room vault or similar enclosure that is accessible only to qualified
19. specific conditions occur The first six relays can also be assigned a priority and routed or mapped to other output alarm relays Available assignments are Ignore Major Minor and Relay 1 Relay 6 Screens for making these assignments are located at SYSTEM OUT RLY RLY MAP This feature makes it possible for a single alarm condition to activate multiple alarm output relays including the Minor or Major alarm relay A user defined name or alias may also be assigned to each of the eight output relay alarms Screens for making these assignments are located at SSYSTEM OUT RLY ALIAS For information on making wiring connections to the alarm output relays refer to Section 3 9 4 8 External Alarm Inputs Input Relays The controller can monitor any external device that uses a switch or relay to output status information Connecting the external device to the input relay connections is the first step The four external alarm inputs also referred to as Input Relay Alarms can be assigned a priority and routed or mapped to alarm output relays Available assignments are Ignore Major Minor and Relay 1 Relay 6 do not map relay to itself or the alarm will never clear Screens for making the assignments are located at SYSTEM IN RLY RLY MAP A user defined name or alias may also be assigned to each of these input alarms Screens for making these assignments are located at SSYSTEM IN
20. still active V Test Point Rectifier Voltage can be measured with a voltmeter between COM and V COM Test Point Negative reference for both V and Test Point Rectifier Current can be measured with a voltmeter between COM and l Float Boost Equalize Switch Used to Control voltage on systems without a PSCU Float Trim Pot Thaflant nat in rand ta an nt tha datar flant Page 48 MX28B200 400 48 VDC User s Manual 990 9133 Boost Equalize Trim Pot The boost equalize pot is used to adjust the default boost equalize voltage 57 5 VDC 6 4 Controls and Indicators Power Shelf Control Unit 6 5 Mechanical Dimensions 15 75 high x 23 wide x 17 5 deep MX28B 200 22 75 high x 23 wide x 17 5 deep MX28B 400 Housing 85 lbs MX28B 200 110 lbs MX28B 400 Rectifier each 11 los MX28B200 400 48 VDC User s Manual 990 9133 Page 49 Mounting Both front mounting on standard 23 inch rails and optional wall mounting are available Page 50 MX28B200 400 48 VDC User s Manual 990 9133 6 6 Environmental Ambient Temperature Operating Storage Humidity Operating Storage Altitude Operating Storage 45 C to 55 C 65 C with reduced power output 45 C to 85 C 0 85 RH non condensing 0 95 RH non condensing 3000 m 9840 ft 10000 m 39370 ft 6 7 Compliance NEBS Level 3 pending MX28B200 400 48 VDC User s Manual 990 9133 Page
21. suggested that feeds for four rectifiers 8 wires and one safety ground wire be run in a one inch conduit however be sure to follow any local electrical wiring codes If the AC input power is provided from a three phase distribution panel the circuit breaker positions should be selected such that the load is balanced as much as possible Page 8 MX28B200 400 48 VDC User s Manual 990 9133 WARNING The MX28B DC power plant is supplied from a nominal 220VAC 60 Hz source Keep the AC input enclosure in place when the system 15 operational or energized 3 4 Battery Connections WARNING Hazardous energy levels are present on bare conductors in the 48VDC distribution connection area of the plant Accidental shorting of distribution conductors can cause arcing and high currents that can cause serious burns or other physical harm It is recommended that Any jewelry rings or watches be removed while working on this equipment Handles of all wrenches screwdrivers cutters and pliers be insulated Shafts of screwdrivers be wrapped in electrical tape or otherwise insulated Planning the Battery installation The battery cable s should be sized sufficiently large to limit the voltage drop from the MX28B DC power plant to the battery during charging per system design requirements The cable s must also carry the full load current during battery operation If assistance is required to determine the necessary cables for the applicati
22. supply of 208 220 240 277 VAC single phase 50 60 Hz power through individual external 20 amp circuit breakers to the AC input terminal block connections for each rectifier module in the system Two rectifier modules are required to accommodate the full AC input voltage range The 1MRF28H54BV rectifier is designed for the standard 208 220 240 VAC input service while the 1MRF28H54BV50 is used for the 277 VAC input The AC wiring from the AC input terminal block connections to the hot pluggable AC input connector for each rectifier is factory installed The AC input enclosure located at the top right rear of the MX28B housing is provided with two one inch conduit entry holes and an access cover Inside a terminal strip s for AC input power connection and a separate Earth Ground bar for connection of the safety ground wire s are provided The terminal block s is labeled as Position 1 through Position 4 Position 1 through Position 8 for the 400 amp unit with each position having inputs designated L1 and L2 N for connection of the two AC wires Positions 1 4 correspond to the top rectifier shelf positions from left to right Positions 5 8 are applicable to the 400 amp unit only and correspond to the lower rectifier shelf positions from left to right The suggested wire size is 10 AWG rated at 90 C or higher however the ambient temperature and number of wires in a conduit must also be considered in accordance with NEC requirements It is
23. that can be viewed on the 32 character 2 X 16 display by navigating with the lt left Page 26 MX28B200 400 48 VDC User s Manual 990 9133 right t up and 2 down arrow keys located on the front panel The selected item on the display is identified by the cursor cycling beneath its characters The modify key and the arrow keys are used to set parameters and text to customize the system operation for a specific application Items that can be modified have m in the upper right corner of the display If a security level higher than the one presently set is required to modify the parameter s is displayed instead of m Status alarms and information screens have in the upper right corner of the display or in the case of rectifier information screens and cannot be modified When power is initially applied there is a 60 second period during which no alarms are reported Pressing the M key on the front panel will change the m to M indicating that the parameter can now be changed using the arrow keys Some parameters can be changed to other predefined selections by pressing the up or down arrow keys to display an alternative selection These parameters can be recognized after the M key is pressed by the cursor cycling beneath the characters of the selection For other parameters such as text and most numeric values after the M key is pressed the
24. 990 9133 DC GMT Fuses Eight GMT fused outputs are also available as an option This option uses one of the 24 available circuit breaker positions Connections to the GMT fuses are made at terminal block connectors labeled F1 through F8 that are located on the interface card mounted in the top left side of the unit See Figure 2 1 1 for details A list of GMT type fuses available from APC is provided below GMT Fuses 1 rmm _ 1A MX28B200 400 48 VDC User s Manual 990 9133 Page 13 3 7 Installation of Circuit Breakers and Fuses Plug in Circuit Breaker Installation CAUTION During circuit breaker installation carefully align the breaker alarm terminals with the alarm terminal board to avoid breaker terminal damage 1 Remove the circuit breaker cover panel and the plastic cover s from the desired location s 2 Install the circuit breaker s by snapping the top terminal onto the upper bus bar and rotating the unit down until the second terminal snaps onto the breaker termination post as shown in Figure 3 7 1 The breaker alarm terminals are designed to make contact with the alarm terminal board as the breaker is snapped into place 3 Reattach the circuit breaker cover panel VOLTAGE BUS BAR ALARM TERMINATIDN BOARD BREAKER TERMINATION POST CIRCUIT BREAKER BREAKER TIER Figure 3 7 1 Installation of Circuit Breakers Page 14 MX28B200 400 48 VDC User s Manual 990 9133 GMT Fuse Installat
25. Section 4 1 to gain an understanding of and how to use the operational features provided by the MX28B DC power plant As a minimum the following parameters should be verified and adjusted if required before connecting batteries or loads to the power plant 1 Battery Float Voltage default 54 00V DC Check the manufacturer s recommendation for the batteries being used in the system 2 Battery Maximum Recharge Rate default 12A Bellcore specifications recommend a maximum charging rate of capacity in Ampere hours divided by 20 hours check the manufacturer s recommendation 3 System Voltage measurement 54 00V DC This is a measurement by the system of the DC output bus voltage 4 LVD Option default Enable If the MX28B does not have an LVD installed this should be changed to Disable 5 Rectifier Information Check the rectifier information displays to verify that all rectifiers installed can be viewed on the control unit display and that no rectifier alarms are active Section 4 6 provides location information for these parameters and how to make changes if required MX28B200 400 48 VDC User s Manual 990 9133 Page 21 3 14 Full System Power Up To complete a full system power up perform the following steps 1 Turn OFF all the circuit breakers that supply ac power to the rectifiers in the MX28B DC power plant Turn on the external circuit breaker from the battery to t
26. adjustment for factory OEM R Offset m calibration of system voltage 0 000 readings settings Current gain adjustment for factory OEM S Gain m calibration of battery current 1 000 A readings settings D Open Alm m Minor Model MX28B 200 40 MX28B200 400 48 VDC User s Manual 990 9133 PARAMETER MENU LOCATION OEM S Offset Security Level 2 OEM Output Relay 1 Alarm Security Level 1 SYSTEM OUT RLY RLY MAP Output Relay 6 Alarm Security Level 1 SYSTEM OUT RLY RLY MAP Output Relay 1 Alias Security Level 1 SYSTEM OUT RLY ALIAS Output Relay 6 Alias 1 SYSTEM OUT RLY ALIAS Output Relay 1 Delay Security Level 1 SYSTEM OUT RLY RLY MAP Output Relay 6 Delay Security Level 1 SYSTEM OUT RLY RLY MAP Output Relay Major Alias Security Level 1 SYSTEM OUT RLY ALIAS Output Relay Minor Alias Security Level 1 SYSTEM OUT RLY ALIAS PIN 1 change Security Level 2 SYSTEM SETUP PIN 2 Change Security Level 2 SYSTEM SETUP DESCRIPTION Current offset adjustment for factory calibration of battery current readings settings Output Relay 1 Alarm can be mapped to activate other output relays Ignore activates no additional relays Output Relay 6 Alarm can be mapped to activate other output relays Ignore activates no additional relays An alternate name alias can be assigned to Output Relay 1 if desired A
27. arm output connection designations Page 18 MX28B200 400 48 VDC User s Manual 990 9133 Output Relay Connections RELAY TERMINAL OUTPUT DESIGNATION USER ALARM NOTES J1 RELAY 1 NO1 NC1 C1 RELAY 2 NO2 NC2 C2 RELAY 3 NO3 NC3 C3 RELAY 4 NO4 NC4 C4 J2 RELAY 5 NO5 NC5 C5 RELAY 6 NO6 NC6 C6 MINOR NO7 NC7 C7 MAJOR NO8 NC8 C8 3 10 External Alarm Input Connections Four external alarm inputs with assignable priority levels are available These alarm inputs respond to external dry contact closures between normally open NO and common C or contact openings between normally closed NC and C External Alarm Input Definition External Alarm Source Connect To Input non alarm state Alarm Terminals OPEN CLOSED Connector J4 is located on the interface card mounted in the top left side of the unit Refer to Figure 3 8 3 for Interface board connections Systems are shipped with jumper wires connecting each NC and corresponding C contact A jumper wire should be removed only if the corresponding NC C contacts are going to be used External Alarm Input Connections EXTERNAL J4 TERMINAL ALARM DESIGNATION USER ALARM NOTES INPUT NO NC C NO1 NC1 C1 NO2 NC2 C2 NO3 NC3 C3 NO4 NC4 C4 MX28B200 400 48 VDC User s Manual 990 9133 Page 19 3 11 Rectifier Module Installation WARNING Rectifier DC output circuits would be damaged if battery were installed incorrectly Before re
28. attery Temperature Compensation 26 Battery Load Low Voltage 26 4 6 CONTROLS AND INDICATORS estira 26 Front Panel User Inferface uia obio ek be 26 Parameter Locations Descriptions and Default 28 Control Unit Menu e od arama pa 37 Front Panel LED Indicato oue A a tame eiu rc d ds 42 4 7 ALARM OUTPUTS OUTPUT RELAYS een 43 4 8 EXTERNAL ALARM INPUTS UNPUTRELA Sucia aras 43 5 REMOTE MONITORING cinc id ii 45 Sala DESCRIPTION aeie 45 52 PHYSICAL CONNECTIONS duties ida 45 5 3 COMMAND AND MONITORING PROTOCOL sse 45 6 SPECIFICA TON Sosa iia 47 ACI PU aaa 47 IMHE2SHS4BV Heber a A a ia 47 1MRF28H54BV50 ReCIMIOES di aa ea 47 6 2 OUTPUT WITH EITHER 1MRF28H54BV RECTIFIERS AND 1MRF28H54BV50 FECTIFIEHS di GE bres rrr rupe 47 6 3 CONTROLS AND NDICATORS ese 48 A esas aa Sac dedito db 48 6 4 CONTROLS AND INDICATORS 4 idol 49 FowersShelt CONMOL UNIT VR feel ORO REND Seius 49 6 5 MECHANICAL tdo rese bt red bou PR 49 8 6
29. attery should not be connected 2 Make sure that all load circuit breakers are turned OFF including the one feeding the GMT fuses if the unit has the GMT fuse option Page 20 MX28B200 400 48 VDC User s Manual 990 9133 3 Verify that all rectifiers have been installed 4 Apply AC Power Turn on the circuit breakers that supply ac power to the rectifiers in the MX28B DC power plant The main screen should appear on the control unit display see Figure 4 6 1 The display on the control unit is a 2 lines by 16 characters display The cursor cycles below the characters of the active selection on the display Information shown in the second line of Figure 4 6 1 that extends beyond 16 characters to the right of the S in ALARMS can viewed on the control unit display by using the scrolling controls refer to Section 4 6 for operation of the control unit NOTE When AC power is initially applied there is a 60 second period during which no alarms are reported WARNING The DC power plant is supplied from a nominal 220VAC 50 60 Hz source Keep the AC input enclosure cover in place when the system 15 operational or energized 3 13 System Parameters Verification Adjustment The MX28B system control unit is delivered with pre programmed parameter default settings A complete listing and description of all system configuration parameters as well as displayable system status and information is provided in Section 4 6 Read
30. ause serious personal injury or death catastrophic equipment damage or site destruction WARNING The DC power plant is supplied from a nominal 220VAC 50 60 Hz source Keep the AC input enclosure cover in place when the system 15 operational or energized WARNING Hazardous energy levels are present on bare conductors in the 48VDC distribution connection area of the plant Accidental shorting of distribution conductors can cause arcing and high currents that can cause serious burns or other physical harm It is recommended that Any jewelry rings or watches be removed while working on this equipment Handles of all wrenches screwdrivers cutters and pliers are insulated Shafts of screwdrivers are wrapped in electrical tape or otherwise insulated WARNING Ensure that all of the DC and external AC circuit breakers are in the OFF position prior to connecting service to the power plant Confirm that all voltages have been removed including any battery sources before proceeding Specific CAUTION and WARNING will be placed in manual where appropriate MX28B200 400 48 VDC User s Manual 990 9133 Page 1 2 Introduction 2 1 General Information DC Power Plants from have unique features that make them easy to install maintain and upgrade The rectifier units are modular and truly hot pluggable into the shelf assembly without any separate AC wiring All system settings are made from the system control unit that prov
31. ays to be manually tested otherwise the state of the relays will be per system conditions Internal system clock time 24 hour format Used as a date stamp in the event log MX28B200 400 48 VDC User s Manual 990 9133 Control Unit Menu Structure The complete menu structure shown in the order in which it is accessed from the control unit display is presented in outline form below Each indentation to the right represents a menu level below the indicated title Level Second Level MX28B200 400 STATUS ALARMS Sys Voltage Third Level Fourth Level Sys Current Sys Temp Batt Current Batt Temp MX28B200 400 US ALARMS SYSTI Item 1 Item 2 Item 3 ll gt arm Item Alarm Item 1 Os Alarm Item gt gt MX28B200 400 MS SYSTEM MODULE un ET ALM SETUP DA Sys Thr Sys Alm LV T u Y R lt gt Sys m Rect Cfg Alm ec m D ect 20fN m mr 2 u uium pa O h Sys HT Alm Sys LT Thr Sys LT Alm Hw Sys V Alm Batt C Alm T 5 28 200 400 48 VDC User s Manual 990 9133 Page 37 Second Level Level T T SETUP DATI E Model Cntr Disp Date E E OUT RLY Time
32. cient Security Level 1 BATT COMP Control Unit Revision Status Only SYSTEM SETUP Date Security Level 1 SYSTEM DATE Display Type Status Only SYSTEM SETUP Fahrenheit Scale Security Level 1 SYSTEM SETUP Page 30 DESCRIPTION DISPLAY SCREENS DEFAULT SETTINGS An alternate name alias that can be assigned to a circuit breaker if desired Cir Bkr 1 m 48V An alternate name alias that can be assigned to a circuit breaker if desired Cir Bkr 24 mA 48V An alarm that indicates Circuit Breaker 1 is tripped An alarm that indicates Circuit Breaker 24 is tripped Cir Bkr 24 Almm Major The temperature compensation high knee is the point above which there is no additional battery voltage compensation for further increases in temperature The temperature compensation low knee is the point below which there is no additional battery voltage compensation for further decreases in temperature One of three parameters that control the DC output voltage Activate ON or de activate OFF battery temperature compensation Temperature compensation coefficient between low knee and high knee in mV cell C Compensation equals zero at 25 C Hardware revision level of the control Cntrl Rev unit This parameter cannot be changed 000002 Internal system calendar date Used as Date a date stamp in the event log DEC 16 1999 Type number for the control unit display Display Type 7 This
33. ctifier installation ensure proper battery polarity and that the battery is isolated from the rest of the system The rectifier modules are shipped in separate containers Follow the procedure below to install a rectifier module 1 Remove the rectifier from its shipping container x 2 Remove any rectifier retaining screws from the shelf position where the rectifier is to be installed Slide the rectifier module into the shelf between the guides until it is fully seated Fasten the rectifier in place with the rectifier retaining screw included in literature kit with product manual Since all adjustments are made from the system control unit no rectifier adjustments are necessary NOTE All FLOAT BOOST EQUALISE switches one is located on the front of each rectifier in the system must be set to FLOAT to allow the MX28B to control the output voltage properly CAUTION Rectifier fan inlet filters are available for dusty or hostile environments Failure to periodically check and clean filters can lead to rectifier shutdown due to over temperature and produce power plant failure 3 12 Initial Power Up and Checkout Before initiating power up and checkout ensure that the following conditions exist 1 Make sure that the external circuit breaker protecting the cables from the battery to the power plant is turned OFF the battery cables should be connected to the power plant but the b
34. cursor will be displayed under an individual character The right or left arrow key is used to position the cursor below the character to be changed and the up or down arrow key 15 used to spin the digit or letter to the desired value When the desired changes have been made to an individual parameter screen the key is pressed again the M changes back to m and the new entry is stored in memory If the user plans to make any changes to system parameters the first item that should be verified or entered is the appropriate password for the security level required for the parameters to be modified Security level 2 enter 2222 on the PIN screen enables modification of all variable system parameters Security level 1 enter 1111 on the PIN screen permits modification of some parameters No security is required for viewing status items and parameter settings The security level password is entered through the PIN screen If no front panel keys are pressed for 60 minutes the active security level password reverts to level 0 and begins to move about the display Pressing any key returns the display to normal and the password must be re entered if system parameters require changes Eleven LEDs are provided on the front panel of the control unit to indicate system status Three LEDs grouped together vertically provide overall system status they are MAJOR MINOR and NORMAL indicating the p
35. d as temperature falls to prevent undercharge The DC power system uses Battery Temperature compensation to change output voltage to compensate for temperature changes This temperature compensation function is programmed into the PSCU using the compensation parameters settings Default settings can be changed to values recommended by the particular battery manufacturer Battery Load Low Voltage Disconnect In order to prevent damage to the battery due to deep discharge the DC power system has hardware and software support for a battery or load Low Voltage Disconnect LVD A battery LVD has the loads permanently attached to the rectifiers and the battery is disconnected from the system A load LVD has the battery permanently attached to the rectifiers and the loads are disconnected from the system When the battery voltage reaches the threshold set by the LVD 1 Trip Voltage setting during discharge the DC power system will activate the LVD contactor to disconnect the battery or load from the system The LVD will remain open until AC power is restored to the system and the bus voltage reaches the level defined by the LVD 1 Reset Voltage variable NOTE The LVD is normally energized and must be commanded to open This assures that the LVD will remain closed even if the controller fails or is removed 4 6 Controls and Indicators Front Panel User Interface The MX28B control unit provides a user interface designed with a hierarchical menu
36. ed on a per rectifier basis and must be combined or totaled for a give system configuration 6 1 AC Input 1MRF28H54BV Rectifiers Nominal Input Voltage 208 230 VAC Input Voltage Range 176 264 VAC 45 65 Hz Apparent Power Factor 99 Typical 98 Minimum Maximum Input Current per Rectifier 13 9 Amps 230V AC 1MRF28H54BV50 Rectifiers 59 Typical 98 Minimum 6 2 DC Output with either 1MRF28H54BV Rectifiers and 1MRF28H54BV50 Rectifiers Nominal Output Voltage factory set 54 5 VDC Operating Voltage Range 44 58 VDC Rated Output Current per Rectifier MX28B200 400 48 VDC User s Manual 990 9133 Page 47 Rated Output Power per Rectifier 2800 W 45 C Efficiency 91 Typical 6 3 Controls and Indicators Rectifiers Input Healthy LED AC power present Output Healthy LED DC output voltage within operating range 39 5 to 59 5 VDC Output Current LED On when rectifier is supplying current Thermal Control LED On when one of three internal sensors is above 90 C Current Limit LED On when rectifier is in current limit Overvolts LED On when rectifier is above 57 Volts Must be powered down to reset Overtemp LED On when one of three internal sensors is above 130 C Power Conversion is inhibited Fan fail LED On when Fan is running too slow Standby LED On when the unit is in the standby mode No output power is produced Rectifier is
37. f the entire system The rectifier modules will equally share the entire load independent of the PSCU The rectifiers will continue to provide DC power if the PSCU is removed or fails Rectifier alarms reporting The rectifier has numerous sensors inside the unit that monitor fan fail high temperature high low voltage etc These rectifier sensors trigger outputs that are monitored by the PSCU In addition rectifier current is measured inside each rectifier The PSCU can trigger output relays in the event of a rectifier alarm Refer to Section 4 6 for PSCU control functions MX28B200 400 48 VDC User s Manual 990 9133 Page 23 4 3 System Management System Output Capacity The power plant has two basic configurations The MX28B 200 supplies a maximum of 200 amps or 150 amps with N 1 redundancy The housing for this configuration provides space for one rectifier shelf that can hold up to four rectifiers a control unit and one tier of up to 24 distribution circuit breakers The MX28B 400 supplies a maximum of 400 amps or 350 amps with N 1 redundancy The housing for this configuration provides space for two rectifier shelves that can hold up to four rectifiers each a control unit and one tier of up to 24 distribution circuit breakers The differences between the 200 and 400 amp units are the exterior housing 50 conductor ribbon cable and an additional rectifier shelf all other parts are the same for both configurations System Vol
38. fier Fail 1 of N Alarm Security Level 1 SYSTEM SET ALM Rectifier Fail 2 of N Alarm Security Level 1 SYSTEM SET ALM Rectifier Fail Safe Voltage Security Level 1 MODULES RECT PARAM Rectifier Fan Fail Alarm Security Level 1 MODULES RECT SET ALM Page 34 DESCRIPTION DISPLAY SCREENS DEFAULT SETTINGS Screen for entry of the active password PIN Before any changes can be made the correct pin for the desires security level must be entered Level 0 full read access Level 1 full read and limited write access Level 2 full read and write access The maximum rectifier communications response time allowed before a communications failure is declared RectFailComm m 1 min The output relay energized if the rectifier configuration differs from its stored configuration This occurs if a rectifier is added after configuration The output relay that is energized or special rectifier alarm group n of N that occurs when a rectifier has been forced into the current limited mode The status will be ON if the rectifier has been forced into its current limited mode NOTE This information can be viewed for each rectifier installed by using the horizontal arrow keys A display of the DC output current for the individual rectifier NOTE This information can be viewed for each rectifier installed by using the horizontal arrow keys Displays the model number of the installed rectifier NOTE This inf
39. fset Security Level 2 OEM OEM S Gain Security Level 2 OEM Page 32 DESCRIPTION DISPLAY SCREENS DEFAULT SETTINGS The Output Relay that is energized when an external contact closure or opening at the Input Relay 1 connection changes state The Output Relay that is energized when an external contact closure or opening at the Input Relay 4 connection changes state An alternate name alias can be assigned to Input Relay 1 if desired In Rly 4 Alm m Ignore In Rly 1 m4 Input Relay An alternate name alias can be assigned to Input Relay 1 if desired In Rly 4 m4 Input Relay 4 Setting Lamp Test to ON will turn on the MAJOR MINOR NORMAL and MIN LEDs on the control unit front panel Must be set to Enable if the unit has an D LVD If the unit has an LVD but it is disabled the controller will not disconnect the LVD LVD Reset reconnect threshold voltage LVI Option m Enable LVD Trip disconnect threshold voltage LVI The output relay that is energized when the controller opens the LVD If unit has a battery LVD no power will be available to turn on any Output Relays Model type number for the MX28B DC power plant NOTE Changing the model number causes the system to reinitialize Voltage gain adjustment for factory OEM R Gain calibration of system voltage 1 000 readings settings Voltage offset
40. he power plant Turn on all the circuit breakers that supply AC power to the rectifiers in the MX28B DC power plant Load circuit protection may now be enabled as required Page 22 MX28B200 400 48 VDC User s Manual 990 9133 4 Operation 4 1 Technical Description The MX28B 200 400 Power System is designed to supply safe 54 VDC primary power through the use of up to eight rectifier modules In conjunction with an external battery string it will supply backup power as well The Power System Control Unit PSCU will monitor all MX28B functions and provides battery management including controlled battery recharge with temperature compensation and low voltage disconnect Integrated DC output distribution supports loads ranging from 1 4 Amp all the way to 100 Amp is available Battery recharging temperature compensation and low voltage disconnect are included The controller can monitor up to 4 discrete external events with dry contact inputs 4 2 Rectifier Management AC Input Power The basic component of the power system is the rectifier module which rectifies utility AC into nominal 48 Volts DC Each rectifier module requires 208 220 240V AC MRF28H54BV or 277V ac MRF28H54BV50 single phase 50 60 Hz breaker installed in a remote panel should individually protect each rectifier circuit DC Output Power The DC outputs of all the rectifiers in the system are connected to a common bus that is rated to carry the current o
41. hold Security Level 1 SYSTEM SET ALM System High Voltage alarm Security Level 1 SYSTEM SET ALM System High Voltage Threshold Security Level 1 SYSTEM SET ALM System Low Temperature Alarm Security Level 1 SYSTEM SET ALM MX28B200 400 48 VDC User s Manual 990 9133 DESCRIPTION DISPLAY SCREENS DEFAULT SETTINGS The status will be ON if the rectifier fan has failed NOTE This information can be viewed for each rectifier installed by using the horizontal arrow keys The status will be on if the rectifier output has failed NOTE This information can be viewed for each rectifier installed by using the horizontal arrow keys The output relay that is energized or special rectifier alarm group n of N that occurs when a rectifier output has failed The output relay that is energized or special rectifier alarm group n of N that occurs when the control unit is holding a rectifier in the standby mode The status will be ON if the control unit is holding the rectifier in the standby mode NOTE This information can be viewed for each rectifier installed by using the horizontal arrow keys Setting this parameter to Enable will cause the current rectifier configuration to be stored the display toggles back to Disable after entry The total system output current calculated as the sum of the individual rectifier output currents The output relay energized if the System Temperature e
42. ides monitoring and control functions for each component of the system as well as alarm listings for system diagnosis and maintenance The APC Model MX28B is a modular stand alone 48V DC power plant It is configurable in such a manner that it will support most typical applications within the specified current ranges either 200 or 400 amperes without special application engineering or assistance Distribution is included for up to 24 plug in circuit breakers These circuit breakers can be 1 to 100 amps with 60 100 amp breakers requiring two positions and a circuit breaker adapter kit An optional low voltage disconnect LVD can be provided on either the battery or the load side A 400 amp MX28B is shown in Figure 2 1 1 MX28B 400 48 VDC Power Plant A block diagram is shown in Figure 2 1 1 too Figure 2 1 1 28 400 48 VDC Power Plant MX28B200 400 48 VDC User s Manual 990 9133 Page 3 ANA 4 1 14 SHELA Figure 2 1 2 MX28B BLOCK DIAGRAM Page 4 MX28B200 400 48 VDC User s Manual 990 9133 2 2 How to Use This Manual Each section of this manual can be read in any order and should provide a complete explanation of the subject described by the title However the sequence of the sections is designed to provide a typical step by step process for successful use of the equipment Safety First Safety symbol description and general precautions Introduction Brief system
43. ion Fuse holders that accommodate GMT fuses are located on the interface card mounted in the top left side of the unit Insert the fuse in the holder observing the tripped indicator is correctly oriented These fuse holders are only connected to 48VDC if the system has been purchased with the GMT fuse option This option supplies 48VDC to lugs on the interface card through a 50 Amp circuit breaker located in circuit breaker Position 1 The interface card provides fuse holders for eight fuses labeled F1 through F8 which can be used for small 48V DC loads Use the chart shown in Figure 3 7 2 to help determine what size fuses will carry the desired current Refer to Figure 3 8 3 for Interface board GMT fuse locations AMBIENT TEMPERATURE Figure 3 7 2 GMT Fuse Temperature De rating Chart 3 8 Load Connections Cable Size Considerations The DC load cable s should be sized sufficiently large to limit the voltage drop from the MX28B DC power plant to the loads per system design requirements The cable s must also carry the full load current during battery operation During battery operation the voltage will be lower and for constant power loads therefore the current will typically be higher If assistance is required to determine the necessary cables for the application contact your sales representative or APC Circuit Breaker Connections 1 to 50 Amps Connections for 1 to 50 amp DC loads require standard two hole lugs with holes f
44. it Breaker Connections 1 to 50 Amps 15 Circuit Breaker Connections 60 100 Amps essit tnnt 16 GMT EUSB Copp tete uae 17 3 9 MONITORING AND RELAY OUTPUT CONNECTIONS esee 18 Front Panel DBS GON OCH ON ui sa atiis ue tira Len di 18 Smart Cable DB9 CODhBCHDHP atu dit bene aba tu as PURA 18 RJ45 Ethernet COMhSGlOEL da ee 18 Relay OUibub Connections e E 18 3 10 EXTERNAL ALARM INPUT CONNECTIONS odia du a etu vi dn 19 3 11 RECTIFIER MODULE INSTALLATION antenne 20 3 12 INITIAL POWER UP AND CHECKOUT aaron 20 3 13 SYSTEM PARAMETERS VERIFICATION ADJUSTMENT esee 21 3 14 FULL SYSTEM POWER UP ine er RE D rui i 22 MX28B200 400 48 VDC User s Manual 990 9133 Page iii 4 OPERATION ciar 23 4 1 TECHNICAL DESCRIP ON Aaa 23 4 2 RECTIFIER WIANAGEMEN T a aia 23 lesion MP TEES 23 DC Q tp t POW CE sale 23 Rectifier alarms reporting Sl A nein oon A i 23 4 3 SYSTEM MANAGEMENT oia iaa cria 24 System OUIDURGapacly ernennt 24 System Voltage CONTO A A A ee 24 System GUN ENT 24 System Status and Alarm Reporting essent tatnen nnn 25 BEDISTRIBUTON Go Pc ens e ep lene rer 25 4 5 BATTERY MANAGEMENT ne aue epulo a ht teo pe ak Ada 25 Battery Charging and Protection 25 B
45. l be found in braces i e Security Level 2 in the PARAMETER column of the table Parameter Locations Descriptions and Default Values PARAMETER NAME DESCRIPTION DISPLAY SCREENS MENU LOCATION DEFAULT SETTINGS Address 1 Power plant address or identification Address 1 m Security Level 1 first line DCNS SYSTEM SETUP Address 2 Power plant address or identification Address 2 Security Level 1 second line 11 SYSTEM SETUP Address 3 Power plant address or identification Address 3 Security Level 1 third line Dallas TX SYSTEM SETUP Alarms ltem 1 Display of up to 16 active alarms a Alarm Item 1 Status Only alarm screen is shown Batt LV Alm Onm ALARMS Display of up to 16 active alarms a Alarms ltem 16 typical alarm screen is shown Alarm Item 16 ALARMS No Alarms Battery Current Battery current measured by the system Batt Current Status Only controller at the battery current shunt STATUS Page 28 MX28B200 400 48 VDC User s Manual 990 9133 PARAMETER DESCRIPTION DISPLAY SCREENS MENU LOCATION DEFAULT SETTINGS Battery Discharge Alarm The output relay energized if the battery Batt Disc Alm m Security Level 1 discharge current exceeds the Minor BATT SET ALM programmed battery discharge threshold Battery Discharge Threshold An alarm is generated if the battery Batt Disc Thr m Security
46. n alternate name alias can be assigned to Output Relay 6 if desired Delay between sensing of the alarm condition and activation of Output Relay 1 An alarm condition must exist for longer than the delay to be activated Delay between sensing of the alarm condition and activation of Output Relay 6 An alarm condition must exist for longer than the delay to be activated An alternate name alias can be assigned to the major Relay if desired An alternate name alias can be assigned to the Minor Relay if desired Permanently change password PIN that permits security Level 1 parameter changes limited access Permanently change password PIN that permits security Level 2 parameter changes unlimited access MX28B200 400 48 VDC User s Manual 990 9133 DISPLAY SCREENS DEFAULT SETTINGS OEM S Offset 0 Out Rly 1 Alm Ignore Out Rly 6 Alm m Ignore Page 33 PARAMETER MENU LOCATION PIN Entry Security Level 0 PIN Rectifier Communications Fail Timeout Security Level 1 MODULES RECT PARAM Rectifier Configuration Alarm Security Level 1 SYSTEM SET ALM Rectifier Current Limit Alarm Security Level 1 MODULES RECT SET ALM Rectifier Current Limit Alarm Status Status Only MODULES RECT INFO Rectifier Current Output Status Status Only MODULES RECT INFO Rectifier Description Status Only MODULES RECT INFO Recti
47. on contact your sales representative or APC An external fuse or circuit breaker various options are available from APC is required in the negative line located at the battery end to protect the cables from the battery to the MX28B DC power plant The power plant can monitor auxiliary contacts from this breaker Connecting the Cables WARNING Make certain that the battery polarity is correct when making connections to the Model MX28B DC power plant Incorrect connection could cause severe equipment damage The battery cable connections are located at the top rear of the unit as shown in Figure 3 4 1 The battery positive return bus and battery negative 48V bus buses each provide two sets of threaded 3 8 16 holes on one inch centers for connecting two hole battery cable lugs Connect the battery cables as applicable using 3 8 16 bolts not provided and tighten them with a torque wrench to 200 in Ibs 23 N m MX28B200 400 48 VDC User s Manual 990 9133 Page 9 Figure 3 4 1 Battery Cable Connection Locations Battery Temperature Probe Installation The optional temperature probe is used to monitor the battery string temperature To get the most representative temperature measurement the probe should be placed in contact with a battery cell that is centrally located The probe should be placed directly in contact with the cell notthe frame surrounding the cell Generally the cell cover can be used be careful not to
48. or 10 screws 810 0032 on 5 8 centers and are located directly above the corresponding circuit breaker The load returns connect to the return bus located just above and rearward of the breaker connection points as seen in Figure 3 8 1 The return bus provides 24 sets of threaded 10 32 holes on 5 8 centers and four sets of threaded 14 20 holes 37 centers for connection of two hole lugs on load return wires MX28B200 400 48 VDC User s Manual 990 9133 Page 15 Load Connections should be made as shown in Figure 3 8 1 Figure 3 8 1 Standard lug for 1 to 50A breakers NOTE Load return lugs are connected to the front of the return bus to prevent interfering with the top cover of the unit Circuit Breaker Connections 60 100 Amps Connections for 60 to 100 amp DC loads are twice as wide as the smaller breakers and therefore require two positions and a circuit breaker adapter kit The adaptor connects the two output lug positions to one lug Adaptors are available with studs for 10 32 nuts on 5 8 centers 10 32 nuts on 3 centers or 14 20 nuts on 1 centers The adaptor is installed directly above the two positions the circuit breaker is mounted on using 10 screws provided in the kit The lugs not included with the kit fasten on to the adaptor s studs using nuts and washers provided in the kit The load returns connect to the return bus located just above and rearward of the breaker connection points as seen in Figure 2 1
49. ormation can be viewed for each rectifier installed by using the horizontal arrow keys The output relay energized if Rectifier Fail 1 of N alarm occurs This is a special rectifier alarm group that signifies that one rectifier has at least one alarm condition The output relay energized if Rectifier Fail 2 of N alarm occurs This is a special rectifier alarm group that signifies that more than one rectifier has at least one alarm condition Rectifier default output voltage if Rect Fail Safem communication with the control unit fails 54 00 V The output relay that is energized or Rect FF Alm m special rectifier alarm group n of N that n of N occurs when a rectifier fan has failed Cfg Alm mt Minor 1 Cure 24 9 A Rect 1 Desc MRF28H54 Rect lofN Almm Minor Rect 20fN Almm Major MX28B200 400 48 VDC User s Manual 990 9133 PARAMETER MENU LOCATION Rectifier Fan Fail Alarm Status Status Only MODULES RECT INFO Rectifier Fault Alarm RFA Status Status Only MODULES RECT INFO Rectifier Alarm Security Level 1 MODULES RECT SET ALM Rectifier Standby Alarm Security Level 1 MODULES RECT SET ALM Rectifier Standby Alarm Status Status Only MODULES RECT INFO Store Configuration Security Level 1 SYSTEM DIAG System Current Status Only STATUS System High Temperature Alarm Security Level 1 SYSTEM SET ALM System High Temperature Thres
50. parameter cannot be changed 000255 Enables selection of Fahrenheit or Fahrenheit Celsius temperature scale Fahrenheit OFF displays readings in C Comp Hknee m 40 0 C MX28B200 400 48 VDC User s Manual 990 9133 PARAMETER MENU LOCATION Firmware Version Status Only SYSTEM SETUP GMT 1 Alias Security Level 1 MODULES GMT ALIAS GMT 8 Alias Security Level 1 MODULES GMT ALIAS GMT 1 Blown Security Level 1 MODULES GMT SET ALM GMT 8 Blown Security Level 1 MODULES GMT SET ALM Hardware Battery Current Alarm Security Level 2 SYSTEM SET ALM Hardware Battery Temperature Alarm Security Level 2 SYSTEM SET ALM Hardware LVD Alarm Security Level 2 SYSTEM SET ALM Hardware System Temperature Alarm Security Level 2 SYSTEM SET ALM Hardware System Voltage Alarm Security Level 2 SYSTEM SET ALM DESCRIPTION Version number of the control unit firmware NOTE Actual firmware version number displayed is the current version as of the date of manufacture This parameter cannot be changed An alternate name alias that can be assigned to a GMT Fuse 1 if desired An alternate name alias that can be assigned to a GMT Fuse 8 if desired The Output Relay that is energized when GMT Fuse 1 is blown The Output Relay that is energized when GMT Fuse 8 is blown The output relay energized if there is a hardware failure in the battery
51. ranty General Provisions APC DC Network Solutions Inc warrants the power equipment and components it manufactures or sells against defective materials and workmanship for a period of TWO 2 YEARS from the date of shipment Warranty Returns If initial physical inspection results in identification of a material or workmanship flaw s that could impair product performance as defined by APC s electrical and physical specification in effect at the time of shipment and if this flaw s is not due to transportation damage or installation abuse contact APC DC Network Solutions Inc or call the 24 hour emergency number 800 800 4APC to request assistance You will be provided either a an RMA number with instructions for return of the equipment or component s to the APC DC Network Solutions Inc factory service center FOB destination freight pre paid for examination or b for non returnable systems and equipment notice to wait until an APC DC Network Solutions Inc authorized service representative arrives at the site to inspect the equipment Repaired or advance replacement modules or circuit components will normally be available within 24 to 48 hours of receipt of equipment or RMA Warranty Repair or Replacement If during the warranty period the supplied equipment is found to be physically or electrically faulty due to defective materials or workmanship on the part of APC DC Network Solutions Inc the defective product s or component
52. resence of a major alarm a minor alarm or normal operation The other eight LEDs correspond to the active state of each of the alarm output relays and are labeled ALM1 ALM6 MIN and MAJ MX28B t STATUS ALARMS SYSTEM MODULES BATT PIN OEM Figure 4 6 1 Menu Top Line MX28B200 400 48 VDC User s Manual 990 9133 Page 27 Parameter Locations Descriptions and Default Values The location description and factory programmed default value for each of the MX28B system parameters is found in the table below The table also shows all of the status and information screens with typical displays The location of a parameter screen is shown in brackets for example SYSTEM IN RLY RLY MAP To find the parameters that can be accessed in this category starting from the main menu screen do the following 1 Use the right or left arrow keys to position the cycling cursor below SYSTEM 2 Press the down arrow key once 3 Use the right arrow key to position the cycling cursor below IN RLY 4 Press the down arrow key once the cursor will be cycling below RLY MAP 5 Press the down arrow key repeatedly if necessary until the desired parameter screen 5 displayed there are eight parameter screens in this category After making any desired changes return to the main menu press the up arrow key repeatedly If a parameter requires a level 1 or level 2 security access to permit changes to it the security level wil
53. s will be repaired or replaced at the sole option of APC DC Network Solutions Inc without charge to the user for replacement materials or repair labor The procedure outlined above for contacting APC DC Network Solutions Inc must be followed Costs incurred for replacement installation including but not limited to installation equipment travel expenses of an APC DC Network Solutions Inc representative s and costs of installation material transportation expenses are not the responsibility of APC DC Network Solutions Inc Any replacement product s or component s shall only complete the remaining unused portion of the original warranty of the replaced product s or component s Exclusions and Limitations 1 This warranty applies only to the original US domestic purchaser user and is not transferable internationally except with expressed written consent from APC DC Network Solutions Inc headquarters in Dallas Texas 2 APC DC Network Solutions Inc reserves the right to void the warranty if identification marks or serial numbers have been removed or tampered with or the defect is determined to have been caused by misuse neglect improper installation environmental conditions non authorized repair alteration or accident 3 This warranty does not cover physical damage due to the acts of nature or man that stress the equipment or component s beyond design limits and exert undesirable influence aside from normal wear and tear 4 APC
54. s value Battery Low Voltage Alarm The output relay energized if the DC Security Level 1 output voltage drops below the battery BATT SET ALM low voltage threshold Battery Low Voltage Threshold An alarm is generated if the DC output Security Level 1 voltage drops below this value BATT SET ALM Battery Maximum Recharge One of three parameters that control the t Max Rechm Current DC output voltage If Battery Current 12 A Security Level 1 surpasses the Maximum Battery BATT PARAM Recharge Current the DC output voltage will be reduced the system limits the charging current to this programmable value Battery Temperature Battery temperature measured by the Batt Temp Status Only system controller at the optional battery 25 2 STATUS temperature sensor probe Minor Minor MX28B200 400 48 VDC User s Manual 990 9133 Page 29 PARAMETER MENU LOCATION Circuit Breaker 1 Alias Security Level 1 MODULES CIRBKR ALIAS Circuit Breaker 24 Alias Security Level 1 MODULES CIRBKR ALIAS Circuit Breaker 1 Tripped Security Level 1 MODULES CIRBKR SET ALM Circuit Breaker 24 Tripped Security Level 1 MODULES CIRBKR SET ALM Compensation High Knee Security Level 1 BATT COMP Compensation Low Knee Security Level 1 BATT COMP Compensation Method Security Level 1 BATT COMP Compensation Temperature Coeffi
55. tage Control The PSCU monitors and adjusts the system voltage lt uses a voltage trim input to the rectifier to precisely control the DC output voltage In the event of PSCU removal or failure the shelf rectifier controller card will control the voltage at a programmed default level In the event of shelf rectifier controller card failure the individual rectifiers will default to the analog voltage level preset with the front panel float adjustment pots System Current The PSCU monitors individual rectifier currents and displays total system current as a sum of rectifier currents Load current can be found by adding battery current to system current Battery Current is positive when the battery is discharging Sys Current Batt current Load Current For example if the battery is charging the Current reading could be 40 A Sys Current reading could be 120 A Load Current would be Sys Current Batt current Load Current 120A 40 A 2 80 Amps If the battery is discharging the Batt Current reading would be 40 A Sys Current would reading would be 40 A Load voltage would be Sys Current Batt current Load Current 40A 40 A 80 Amps Page 24 MX28B200 400 48 VDC User s Manual 990 9133 System Status and Alarm Reporting The PSCU will monitor system voltage using a high accuracy digital voltmeter attached to the system bus The PSCU will monitor system temperature using a temperature IC mounted in the PSCU
56. www apc com MX28B200 400 48 VDC POWER SYSTEMS User s Manual Documen t 990 9133 Table of Contents 1 SAFETY FIRST aio 1 1 1 WARNING SYMBOLS acusar Potens iR VERRE 1 120 GENERRLPREGAUTIONS te ee 1 2 INTRODUCTION ccoo band nn Beh 3 2 1 GENERAL INFORMATION ae 3 2 2 HOW TO USE THIS ee aan 5 3 INSTALLATION ss ee 7 Se HUNPACKING EQUIPMENT Lara ee 7 3 2 MECHANICAL INSTALLATION AAA 7 HOO 4 OMT ne ee ei UAR D en 7 A A O AS 7 8 3 3 POWER CONNECTIONS Ss ae 8 3 4 BATTERY CONNECTIONS carta 9 Planning the Battery installation tt el 9 Connecting the Cables a Ad een 9 Battery Temperature Probe Installation esent 10 3 5 DC SYSTEM GROUNDING sie ette eek eq erre eed RR reae p vta 10 3 6 DC POWER OUTPUT OVER CURRENT PROTECTION sse 11 DG Circ it Breakers isset bearbeitet ema ERR 11 GSC M ITI ETE 13 3 7 INSTALLATION OF CIRCUIT BREAKERS AND 05 65 4 0 14 Plug in Circuit Breaker Installations uei een 14 GMT Fuse Installation apenas ales 15 39 9 OAD CONNEC TIONS 5 ro NI CO aa t Ra Re ESA 15 Cable Size CoOnSIQSFallOTS s ci tte p A pe eM tes bus 15 Circu
57. xceeds the system high temperature threshold Rect 1 FF Rect 1 RFA OFF t RFA Alm m4 n of N t Stdby Almm4 n of N 1 Stdby OFF Store Cfg m Disable Sys Current 145 8 Sys HT Alm m4 Minor System Temperature is ambient temperature measured inside the controller An alarm will be reported if temperature is higher than the temperature entered The output relay energized if the System Voltage is above the System High Voltage threshold System Voltage is bus voltage measured by the controller An alarm will be reported if voltage is higher than the voltage entered The output relay energized if the System Temperature is below the System Low Temperature threshold Sys HT Thr m TOV Sys HV Alm m4 Minor Sys HV Thr m 58 00 V Sys LT Alm m Minor Page 35 PARAMETER MENU LOCATION System Low Temperature Threshold Security Level 1 SYSTEM SET ALM System Low Voltage Alarm Security Level 1 SYSTEM SET ALM System Low Voltage Threshold Security Level 1 SYSTEM SET ALM System Temperature Status Only STATUS System Voltage Status Only STATUS Test Major Relay Security Level 1 SYSTEM DIAG Test Minor Relay Security Level 1 SYSTEM DIAG Test Relay 1 Security Level 1 SYSTEM DIAG Test Relay 6 Security Level 1 SYSTEM DIAG Test Relay Enable Security Level 1 SYSTEM DIAG Time Security Level 1

American Power Conversion MX28B200 User's Manual

Contents

Download Pdf Manuals

Related Search

Related Contents