APC MX28B-2400 Network Router User Manual
Contents
1. CL ad 4 Figure 4 1 28 1200 28 1200 2400 7 MX28B 1200 PRODUCT MANUAL Revision B LOAD CIRCUIT BREAKER SHELF RIGHT LOAD RETURN BUS BAR TTL Te 0968 AWA 0963 CIRCUIT BREAKER SHE HB EE FESTES AWA 0925 Mii ii AWA 0925 0968 INTERFACE PCB POWER SYSTEM ANA 0964 CONTROL UNIT 0827 TO DC DC CNVIR IN EXT BAY BLK RED of oI ANA 0969 AWA 0968 USER CHASSIS GND I El SHELF 1 I2. OEM R Gain 2 OEM OEM S Offset 2 OEM 5 Gain 2 OEM Site Address Identification Address 1 1 SYSTEM SETUP Address 2 1 SYSTEM SETUP Address 3 1 SYSTEM SETUP Password PIN that permits security Level 1 parameter changes limited access Password PIN that permits security Level 2 parameter changes unlimited access Voltage offset adjustment for factory calibration of voltage readings settings Voltage gain adjustment for factory calibration of voltage readings settings Current offset adjustment for factory calibration of battery current readings settings Current gain adjustment for factory calibration of battery current readings settings Power plant address or identification first line Power plant address or identification second line Power plant address or identification third line OEM R Offset m 0 000 V OEM R Gain m 1 000 V S Offset m 0 0 A OEM S Gain m 1 000 A Address 1 APC Address 2 m 11035 Switzer Av Address 3 Dallas TX Model Type 2 SYSTEM SETUP Temperature Scale 1 SYSTEM SETUP Control Unit Revision SYSTEM SETUP Firmware Version SYSTEM SETUP MX28B 1200 2400 Model type number for the MX28B dc power plant NOTE Changing the model number causes the system to reinitialize Enables selection of Fahrenheit or Celsius temperature scale Fahrenheit OFF displays readings in C Hardwa
3. Access each rectifier is factory installed Opening The ac input enclosure located at the top rear of the MX28B housing is provided with nine inch conduit pilot holes in the top plate Figure 5 2 Remove the clon Vertical channel ac input enclosure from the box frame in Dy for AC wiring order to punch or drill the appropriate number of conduit openings for the conduit size s desired Do not leave the ac input enclosure in place when punching Figure 5 2 AC Wiring Access or drilling holes in order to prevent metal pieces from falling into the power system AC wiring passing through the conduit will be routed through the access opening in the ac input enclosure into the vertical wiring channel where safety ground bar and rectifier input terminal blocks are located The terminal block s is labeled as Rectifier 1 through Rectifier 4 with each position having inputs designated L1 and L2 for connection of the two wires Figure 5 3 Each terminal block represents connections for one shelf with positions through 4 corresponding to the rectifier shelf positions numbered from left to right as view from the front The suggested wire size is 10 AWG rated at 90 C or higher however the ambient temperature and number of wires in a Figure 5 3 AC Terminal Block Vi MX28B 1200 PRODUCT MANUAL Revision B conduit must also be considered in accordance with NEC requirements It is suggested
4. H SHELF CNILR PCB BNET EHH 0917 1 4 PER SHELF 0062 RECTIFIER SHELF 2 I 1 11 1 SHELF 2 INPUT RECTIFIER SHELF 3 a EA an AAA 9 SHELE 3 AC INPUT RECTIFIER SHELF 4 zu as un TN SHELF CNILR A Ney RECTIFIER FAA 0062 SHELF 5 SHELF 5 E AC INPUT RECTIFIER SHELF 6 H HE Hd AT SHELF 6 xcv SHELF CNILR PCB AC INPUT ate B i YEL BLK u iz BATTERY WETTER LVD ASSEMBLY SA gy CAD CNI ND EAA 0078 2 BATTERY BATTERY Figure 4 2 MX28B 1200 System Diagram 8 MX28B 1200 2400 Revision MX28B 1200 PRODUCT MANUAL 4 2 Power Output Capacity A single power box frame consists of six rectifier shelves each shelf accommodating up to four hot plug 50 amp rectifiers A completely configured power frame with 24 rectifiers is rated at 1200 amps Each additional power frame will add up to 1200 amps for a maximum total of 2400 amps using 48 rectifiers A single master control unit in the first power frame provides control and monitoring for the entire system 4 3 Rectifiers The rectifiers are Model MRF28H54BV with specifications as follows e Input Voltage 176 264V 230V nominal 45 66 Hz e Input Current per Rectifier 13 9 Amps 230V ac e Apparent Power Factor 99 Typical 98 Minimum e Output Voltage 54 5V dc Overvoltage Protec
5. 1 Navigating the Menu The M 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 5 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 ac 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 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 key is pressed the 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 is used to spin the digit or letter to the desired value When the desired changes have been made to an individual parameter screen the M ke
6. SET ALM n of N RFA Alarm 1 This alarm indicates that a rectifier output has failed Rect RFA Alm m MODULES RECT SET ALM n of N Breaker 1 Alias 1 An alternate name alias that can be assigned to a circuit MODULES CIRBKR ALIAS breaker if desired Breaker 72 Alias 1 An alternate name alias that can be assigned to a circuit Cir Bkr 72 MODULES CIRBKR ALIAS breaker if desired 48V Breaker 1 Tripped 1 An alarm that indicates Circuit Breaker 1 is tripped Cir Bkr 1 Alm m MODULES CIRBKR SET ALM 1 Breaker 72 Tripped 1 An alarm that indicates Circuit Breaker 24 is tripped Cir Bkr 72 Almm MODULES CIRBKR SET ALM Maj or Fuse 1 Alias 1 An alternate name alias that can be assigned to a Fuse 1 if MODULES FUSE ALIAS desired Fuse 16 Alias 11 An alternate name alias that can be assigned to a Fuse 16 if FUSE 16 MODULES FUSE ALIAS desired 48V 44 MX28B 1200 2400 Revision MX28B 1200 PRODUCT MANUAL Table 6 1 Parameter Locations Descriptions and Default Values PARAMETER DESCRIPTION DISPLAY SCREENS DEFAULT SETTINGS Fuse 1 Blown 1 MODULES FUSE SET ALM Fuse 16 Blown 1 MODULES FUSE SET ALM INPUT RELAY SETUP Input Relay 1 Alias 11 SYSTEM IN RLY ALIAS Input Relay 4 Alias 1 SYSTEM IN RLY ALIAS Input Relay Alarms Input Relay 1 1 SYSTEM IN RLY RLY MAP Input Relay 4 1 SYSTEM IN RLY RLY MAP OUTPUT RELAY SETUP Output R
7. SYSTEM DIAG MINOR NORMAL MAJ and MIN LEDs on the OFF control unit front panel Test Relay Enable 1 This parameter must be set to Enable to permit the eight Test Relay En m SYSTEM DIAG output relays to be manually tested otherwise the state of the Disable relays will be per system conditions MX28B 1200 2400 41 MX28B 1200 PRODUCT MANUAL Revision B Table 6 1 Parameter Locations Descriptions and Default Values PARAMETER Test Relay 1 1 SYSTEM DIAG Test Relay 6 1 SYSTEM DIAG Test Minor Relay 1 SYSTEM DIAG Test Major Relay 1 SYSTEM DIAG BATTERY SETUP Float Voltage 1 BATT PARAM Maximum Recharge Current 1 BATT PARAM Compensation Method 1 BATT COMP Temperature Compensation 1 BATT COMP Compensation High Knee 1 BATT COMP Compensation Low Knee 1 BATT COMP Discharge Threshold 1 BATT SET ALM High Voltage Threshold 1 BATT SET ALM Low Voltage Threshold 1 BATT SET ALM High Temperature Threshold 1 BATT SET ALM Low Temperature Threshold 1 BATT SET ALM DESCRIPTION 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 ALM6 LED on the control unit front panel Setting this parameter to ON energizes the Minor Relay and turns on the MIN LED o
8. Unit Menu Structure Cir Cir Cir Cir Cir SET ALM FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE ALIAS FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE Bkr Bkr Bkr Bkr Bkr ON OY Ul i 0 uUuUuHHHH6H 70 71 72 Alm Alm Alm Alm Alm Alm Alm Alm Alm Alm Alm Alm Alm Alm Alm Alm 37 MX28B 1200 PRODUCT MANUAL 38 BATT PIN OEM LVD Figure 6 2 Control Unit Menu Structure SET ALM LVD1 LVD1 LVD2 LVD2 PARAM SET ALM Batt Batt Batt Batt Batt Batt Batt Batt Batt Batt PARAM Batt Batt COMP Comp Comp Comp Comp PIN OEM R Offset OEM R Ga OEM S Offset OEM S Ga LVD1 LVD1 LVD2 LVD2 Dis Dis HV HV LV LV HT HT LT LT Option Open Alm Option Open Alm Trip Reset Trip Reset c Thr c Alm Thr Alm Thr Alm Thr Alm Thr Alm Float Max Rech Method TC HKnee LKnee in in Revision B MX28B 1200 2400 Revision MX28B 1200 PRODUCT MANUAL PARAMETER Table 6 1 Parameter Locations Descriptions and Default Values DESCRIPTION DISPLAY SCREENS DEFAULT SETTINGS Screen for entry of the active password PIN PIN Level 1 PIN 2 SYSTEM SETUP Level 2 Password 2 SYSTEM SETUP OEM Calibration Offset 2 OEM
9. be followed in filing an RMA including providing an accurate written description of the problem An accurate written problem description will help ensure that the unit will be properly repaired If a unit is returned and a Fault Found results APC reserves the right to bill the customer for labor and assess a service charge to cover extra costs incurred MX28B 1200 2400 3 Revision MX28B 1200 PRODUCT MANUAL 3 WARRANTY PROVISIONS 3 1 General Provisions APC 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 3 1 1 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 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 factory service center FOB destination freight pre paid for examination or b for non returnable systems and equipment notice to wait until an APC authorized service representative arrives at the site to inspect the equipment Repaired or advance replacement modules or circ
10. 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 assumes no responsibility for any work accomplished or expenses incurred except with expressed written consent from APC MX28B 1200 2400 5 MX28B 1200 PRODUCT MANUAL Revision B 5 APC 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 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 6 MX28B 1200 2400 Revision MX28B 1200 PRODUCT MANUAL 4 PRODUCT OVERVIEW AND TECHNICAL DESCRIPTION 4 1 Description The APC Models MX28B 120
11. holes on a double pattern one inch and 1 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 Figure 5 4 Battery Connections 5 4 DC SYSTEM GROUNDING THE POSITIVE LOAD CONNECTION RETURN BUS FOR THE POWER PLANT MUST BE CONNECTED TO THE FACILITY MASTER STATION GROUND THE CONNECTION SHOULD BE MADE ON THE RETURN BUS IN THE BASE UNIT DISTRIBUTION AREA DETAILS FOR THIS CONNECTION SHOULD BE PROVIDED IN THE SITE ELECTRICAL GROUNDING PLANS MX28B 1200 2400 17 MX28B 1200 PRODUCT MANUAL Revision B 5 5 Rectifier Installation The APC Model MRF28H54BV rectifiers are shipped in separate containers Follow the procedure below to install a rectifier 1 Remove the rectifier from its shipping container 2 Remove the rectifier retaining screw from the shelf position where the rectifier is to be installed 3 Slide the rectifier into the shelf between the guides until it is fully seated 4 Fasten the rectifier in place with the rectifier retaining screw 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 5 6 Multiple Frame
12. 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 16 MX28B 1200 2400 Revision MX28B 1200 PRODUCT MANUAL 5 3 Battery Connections 5 3 1 Battery Disconnect An external circuit breaker not supplied 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 Selection of a circuit breaker for a battery string should take into account maximum battery short circuit current and cable sizing 5 3 2 Cable Sizing Considerations 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 application contact your sales representative or APC 5 3 3 Connecting the Cables The battery cable connections are located at the top rear of the unit as shown in Figure 5 4 The battery positive return bus and battery negative 48V bus buses each provide four sets of 3 8 16
13. the scrolling controls refer to Section 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 MX28B 1200 2400 Revision MX28B 1200 PRODUCT MANUAL MX28B 1200 STATUS ALARMS SYSTEM MODULES BATT PIN OEM Figure 5 11 Control Unit Display 5 10 2 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 6 Read Section 6 to gain an understanding of and how to use the operational features provided by the MX28B dc power plant Asa 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 Check the manufacturer s recommendation for the batteries being used in the system 2 Battery Maximum Recharge Rate default 50A Bellcore specifications recommend a maximum charging rate of battery 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
14. 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 6 provides location information for these parameters and how to make changes if required 5 10 3 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 power plant 2 Turn on the external circuit breaker from the battery to the power plant 3 Turn on all the circuit breakers that supply ac power to the rectifiers in the MX28B de power plant 4 Load circuit breakers and distribution fusses may now be turned on and inserted as required MX28B 1200 2400 29 Revision MX28B 1200 PRODUCT MANUAL 6 SETUP ADJUSTMENTS AND OPERATION 6 1 User Interface The MX28B control unit provides a user interface designed with a hierarchical menu that can be viewed on the 32 character display by navigating with the left right up down arrow keys located on the front panel The selected item on the display 15 identified by the cursor cycling beneath its characters A 9 2 5 SOEUR 3 STATUS ALARMS SYSTEM MODULES BATT PIN OEM Arrow Keys move Display Window across main IL menu items and down into additional menu selections Figure 6
15. 0 2400 represents family of stand alone 48V power plants Through the use of modular power and distribution box frames a system is configurable in such a manner that it will support most typical applications within the specified current range of up to 3600 amps without special application engineering or assistance The system is designed to start as a base unit capable of supplying 1200 amps 48 dc power in a single box frame with integrated power distribution breakers and an advanced control and monitoring module Standard distribution for a power bay includes up to 48 plug in circuit breakers 1 to 100 amps or large panel mounted circuit breakers 250 to 700 amps Expansion of the base unit is accomplished by adding power frames and distribution frames on either side of the base unit The distribution box frames come with a variety of circuit breaker and fuse options Power expansion of the 1200 amp plant to a 2400 amp plant only requires the addition of splice plates to the existing bus structure An optional low voltage disconnect LVD can be provided on either the battery or the load side in each power bay Systems incorporating power distribution frames need an external LVD unit 1200 amp MX28B is shown in Figure 4 1 A block diagram is shown in Figure 4 2 7 a Tz Ad ie amp TE
16. 1 1 Returns 22 Seen ttr d nt Ca aril n ti 5 3 1 2 Warranty Repair or 5 3 2 EXCLUSIONS AND LIMITATIONS 2 2 1 2 0 e ana nana aaa 5 4 PRODUCT OVERVIEW AND TECHNICAL 7 A T DESCRIPTION ne E atmet ce HS ne am Re ai 7 42 POWER QUTPUT CAPACITY a ana a celeste ec Feed 9 1 3 A M 9 44 CONTROL UNT ana 9 455 ACINPUT POWER E defuit 10 4 6 BATTERY CONNECTION Sidi tase 10 477 DC DISTRIBUTION caia ih es dt uae 10 4 8 TENVIRONMENTA Did tit 11 4 9 MECHANICAL eti cette EE v uten eie De Put ee RE OPE eec Ro iae S AU Tip 11 4 10 COMPLIANCE sa A aa ERROR BOOKMARK NOT DEFINED 5 INSTALLATION PROCEDURES eese ein foire eee rano rao eee evo eae sen A aer ben eb eee PETENS 13 5 1 PREPARATION en ie ede te carae i e defi tes 13 Sc sRecommended Toolssss s ipie pO LE Cid n re ia 13 5 1 2 Recommended Test Equipment aaa nenea rre trennen rennen nre 13 5 1 3 Equipment Inspectton a iecit e eee deb eet eere ge e a a i 13 Slide _ i Saf
17. 1200 2400 Revision MX28B 1200 PRODUCT MANUAL Table 6 1 Parameter Locations Descriptions and Default Values PARAMETER Battery Alarms Discharge Alarm 1 BATT SET ALM High Voltage Alarm 1 BATT SET ALM Low Voltage Alarm 1 BATT SET ALM High Temperature Alarm 1 BATT SET ALM Low Temperature Alarm 1 BATT SET ALM RECTIFIER SETUP Fail Safe Voltage 1 MODULES RECT PARAM Communications Timeout 1 MODULES RECT PARAM Rectifier Information Rectifier Description MODULES RECT INFO Rectifier Current MODULES RECT INFO Current Limit Alarm MODULES RECT INFO Standby Alarm MODULES RECT INFO Fan Fail Alarm MODULES RECT INFO Rectifier Fault Alarm RFA MODULES RECT INFO Rectifier Alarms Current Limit Alarm 1 MODULES SET ALM MX28B 1200 2400 DESCRIPTION An alarm that is generated if the battery discharge current exceeds the programmed battery discharge threshold An alarm that is generated if the magnitude of the battery voltage rises above the high voltage threshold An alarm that is generated if the magnitude of the battery voltage drops below the low voltage threshold An alarm that is generated if the battery temperature exceeds the high temperature threshold An alarm that is generated if the battery temperature drops below the low temperature threshold Rectifier default output voltage if communication with the c
18. Arc www apcc com DC POWER PLANT PRODUCT MANUAL MODEL MX28B 1200 2400 APC DC Network Solutions Inc Division 11035 Switzer Avenue Dallas TX 75238 Part Number PML 0218 800 800 4APC Revision B MX28B 1200 PRODUCT MANUAL Revision B 11 MX28B 1200 2400 Revision MX28B 1200 PRODUCT MANUAL REVISION HISTORY Revision Date Description 05 19 2000 Preliminary release 06 30 2000 A ee Various corrections and Various corrections and typos 01 16 01 Replaced Advance with APC Changed 1 800 number Added ESD caution MX28B 1200 2400 iii MX28B 1200 PRODUCT MANUAL Revision B TABLE OF CONTENTS 1 GENERAL INFORMATION eos so 1 LET SS INTRODUCTION seg odaia idol 1 172 PRECAUTION Sd e do o de 1 1 3 INSPECTION UPON RECEIPT OF GOODS virtene anert esera n aapea ue Kanaan Nna EASE EA Nna 1 1 3 1 Generalnie ETE 1 13 2 Wisible External Damage dela dantela taa ds 1 1 33 Concealed Damage at gata a eo eodein HP 2 134 iReturmof Damaged Goods eae ee be tie E eee 2 2 CUSTOMER SERVICE AND SUPPORT 2 111 00 1 00 1 7 3 7 00 20200000000 RR RR eese eon 3 3 WARRANTY PROVISIQNS 1 prev eonun et era o do ono cien Fu vo goo nee eh ae Ya e YEN coveseetess 5 3 1 GENERAL PROVISIONS 2 3
19. Assembly 5 6 1 Power Bus Connections Installations with multiple box frames requires splicing of the power buses The MX28B 1200 2400 family of power systems and distribution bays are designed so that the power buses can be connected from bay to bay through the use of simple splice plates Figure 5 5 shows the connection between two box frames for the normal 2500 amp bus work Splice Plates Figure 5 5 Multi Bay Splice Plates 18 MX28B 1200 2400 Revision MX28B 1200 PRODUCT MANUAL 5 6 2 Control Wiring Cables for controlling and monitoring the rectifiers and circuit breakers fuses must be run from expansion frames to the control unit in the base frame There are three basic cables used for these functions e The AWA 0970 ten pin ribbon cable connector handles serial communications for rectifier reporting and control This cable connects to the J1 connector of the DC DC converter PCB s EAA 0111 in each power box frame e Circuit breaker reporting in extension power and distribution bays is communicated back to the control unit through the AWA 0972 cable This cable is connected to 115 on the control unit interface PCB in the base unit and runs to connector J2 on the Alarm Extension PCB EAA 0072 in the remote bay Additional bays are connected via the same cable which connects up to four Alarm Extension PCB s e Fuse reporting is routed from the Fuse Sense PCB ADV 1204 to the control unit via cable AWA 0967 Refer t
20. Breaker Load 5 8 2 3 Power Distribution Fuse Load Connections 5 9 BATTERY TEMPERATURE PROBE INSTALLATION 5 T0 iPOWER UP AND CHECKOUT i sc ca ca cata ate cotata la aa eerte e Dai tu dia aaa 5 10 0 Apply AC ee e ao 5 10 2 System Parameters Verification Adjustment cena nenea nana ana nana 29 3 103 System Rower UD sot abea a re a aaa a oe 29 6 SETUP ADJUSTMENTS AND OPERATION ssccccssssscesssscccssssccecssscccsssscccessssccesssscessscccessnscceessseecees 31 6 1 USER INTERFACE 2a en dais 31 6 2 EXTERNAL ALARM INPUTS 08a 32 6 3 ALARM OUTPUT RELAY S u nahe cc ca Doc eva i e eate deti PD 32 6 4 PARAMETER LOCATIONS DESCRIPTIONS AND DEFAULT 5 32 MX28B 1200 2400 V Revision MX28B 1200 PRODUCT MANUAL 1 GENERAL INFORMATION 1 1 1 2 1 3 Introduction DC Power Plants from APC 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 provides monitoring and control functions for each component of the system as well as alarm listings for system diagnosis and maintenance The APC international network of sales and service offices and qualified represent
21. Definition Table 5 2 shows the external alarm input connection designations Connector J4 is located on the alarm interface board mounted in the space above the control unit 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 J4 TERMINAL ALARM DESIGNATION USER ALARM NOTES INPUT NO NC C 1 NOI NCI CI 2 NO2 NC2 C2 3 NO3 NC3 C3 4 NO4 NC4 C4 Table 5 2 External Alarm Input Connections 5 7 2 Alarm Outputs There are eight alarms available that provide outputs via Form relay contacts The last two of these are pre assigned as the Minor and Major alarm 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 Table 5 3 shows the alarm output connection designations Connectors Jl and J2 are located the alarm interface board mounted in the space above the control unit The relay contacts should only be used to switch resistive loads of 0 5 amperes or less at 60 volts or less 24 MX28B 1200 2400 Revision MX28B 1200 PRODUCT MANUAL ALAR
22. M TERMINAL OUTPUT DESIGNATION USER ALARM NOTES NO NC C 1 NOI NCI CI RELAY 72 NO2 NC2 C2 RELAY 3 NO3 NC3 C3 RELAY 4 NO4 NC4 C4 12 5 NOS NC5 C5 RELAY 6 NO6 NC6 C6 MINOR NO7 NC7 C7 MAJOR NO8 NC8 C8 Table 5 3 Alarm Output Connections 5 8 Connecting The Loads 5 8 1 DC Circuit Breakers and Fuses Both plug in circuit breakers and Telecom fuses can be installed in the MX28B power plant for de distribution circuit protection Available plug in circuit breakers are shown in Table 5 4 Plug in circuit breakers rated at 60A or more require two mounting positions and require a breaker adapter kit which is included see kit selection information below the table The breaker adapter kit includes all necessary mounting hardware BREAKER PART NUMBER BREAKER PART NUMBER RATING RATING 1A FFA 0014 40A FFA 0020 3A FFA 0015 50 A FFA 0025 SA FFA 0016 60 0021 10 0017 0022 ISA FFA 0028 80 0023 20 0018 100 A FFA 0024 X 30 A FFA 0019 1 adapter has 10 studs on 5 8 centers for two hole cable lug 2 adapter has 10 studs 34 centers for two hole cable lug 3 adapter has 4 studs on 1 centers for two hole cable lug Table 5 4 Plug in Circuit Breakers MX28B 1200 2400 25 MX28B 1200 PRODUCT MANUAL Revision B Fuse holders that accommodate telecom fuse
23. XTENSION POW Figure 5 7 Multi Bay Wiring Diagram MX28B 1200 2400 21 MX28B 1200 PRODUCT MANUAL Revision B 22 MX28B 1200 2400 Revision MX28B 1200 PRODUCT MANUAL 5 7 Alarm Connections The alarm connections for all rectifiers breakers and fuses are factory pre wired The MX28B dc power plant however permits the user to program the system alarms in various ways A Printed Circuit PC board designated EAA 0075 is mounted in the space above the master control unit and provides terminal block connection points for alarm outputs and alarm inputs Figure 5 8 These cage clamp terminal blocks are operated by pushing back the lever inserting the wire and then releasing the lever to clinch the connection Recommended wire size is 28 AWG to 20 AWG Alarm Outputs Alarm Inputs N N 480 RTN ADVANCE POWER EAA 0075 REV aa ab at Figure 5 8 Alarm Interface PC Board MX28B 1200 2400 23 MX28B 1200 PRODUCT MANUAL Revision B 5 7 1 External Alarm Inputs 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 see Table 5 1 External Alarm Source Connect To Input non alarm state Alarm Terminals OPEN NO C CLOSED NC C Table 5 1 External Alarm Input
24. ame from the floor structure This is required in many installations Figure 5 1 Floor Mounting Dimensions Systems with multiple box frames are mounted with each frame touching side by side The side cover panels where two frames touch are removed so that bus work and control cables can pass between the frames Three holes are provided in center vertical rail of each side to allow the frames to be mechanically secured to each other if desired MX28B 1200 2400 Revision MX28B 1200 PRODUCT MANUAL 5 1 7 Ventilation 5 2 The rectifiers have fans that provide front to rear airflow for internal cooling The MX28B housing should mounted such that there is free airflow to the front and top of the unit Refer to Section 4 8 for environmental characteristics AC Service and Ground Connections WARNING Ensure that all of dc and external 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 MX28B 1200 2400 The MX28B dc power plant requires supply of 208 220 240V ac single phase 50 60 Hz power through individual external 20 amp two pole circuit breakers to the ac input terminal block connections for each rectifier in the system The ac wiring from the ac AC Input input terminal block connections to the a Enclosure hot pluggable ac input connector for 4
25. arm relays Available assignments are Ignore Major Minor and Relay 1 e e e 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 SYSTEM OUT RLY ALIAS For information on making wiring connections to the alarm output relays refer to Section 5 7 2 Parameter Locations Descriptions and Default Values The location description and factory programmed default value for each of the MX28B system parameters is found in Table 6 1 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 MX28B 1200 2400 Revision MX28B 1200 PRODUCT MANUAL 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 n
26. atives provides sales assistance for proposals purchases and after sales support APC provides nationwide 24 hour 7 day service response by dialing 800 800 4APC This service will answer your call gather specific service information and have a qualified APC service representative contact you as quickly as possible refer to section on customer service and support Precautions It is extremely important to read understand and strictly follow the instructions in sections on installation and setup Also please note the special SAFETY PRECAUTIONS outlined in Section 5 1 4 before beginning actual installation of the power system If any precautions are not clearly understood or local conditions are not covered contact the nearest APC representative or APC at 214 342 5000 for clarification Also refer to all applicable federal state and local regulations and industry guidelines for correct installation of this power system Inspection upon Receipt of Goods 1 3 1 General APC has taken precautions in packing the power equipment for shipment to ensure its safe arrival however the entire shipment including any boxes or crates should be inspected upon receipt for evidence of damage that may have occurred during transit 1 3 2 Visible External Damage It is the responsibility of the person receiving the shipment to inventory and inspect all materials against the bill of lading or waybill provided IMMEDIATELY upon taking deliv
27. ch circuit breaker section connect to a return bus directly opposite the circuit breakers These return buses contain patterns for 28 two hole 10 32 lugs on 5 8 inch centers and 14 two hole Y4 20 lugs on a double pattern of either 5 8 inch or 1 inch centers Figure 4 4 shows the power plant s dc Sune Load Returns and Facility Main Ground Bus Figure 4 4 DC Distribution MX28B 1200 2400 Revision MX28B 1200 PRODUCT MANUAL distribution section with the front cover removed Alternate circuit breaker configurations are available in order for the power frames to provide support for larger individual load connections Six circuit breakers in the 100 amp to 400 amp range or four circuit breakers in the 225 to 700 amp range in a panel mount arrangement can be specified instead of the distribution module with 48 plug in breakers Optional power distribution box frames can be added to a power system to support additional circuit breakers or telecom fuses Auxiliary alarm contacts from circuit breakers can be brought back to the control unit through the use of an alarm extension printed circuit board in each bay Ten fuses outputs can also be directly monitored by the control unit 4 8 Environmental e Ambient Temperature e Humidity e Altitude 4 9 Mechanical e Weight e Dimensions e Color 4 10 Compliance Safety MX28B 1200 2400 20 C to 65 C operating 40 C to 85 C stora
28. e probe into J5 the control unit interface card in the base power bay 2 Route the cable as required to position the probe on the selected battery cell 3 Remove the adhesive protection strip from the probe body and press the adhesive side of the probe on the battery cell cover BATTERY APC PART TEMPERATURE NUMBER PROBE CABLE 15 ft 4 6m FFA 0013 1 50 ft 15 2m FFA 0013 2 Table 5 6 Temperature Probe Cables 5 10 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 battery should not be connected 2 Make sure that all load circuit breakers are turned OFF and all load distribution fuses are removed 3 Verify that all rectifiers have been installed 5 10 1 Apply AC Power 28 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 5 11 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 5 11 that extends beyond 16 characters to the right of the 5 in ALARMS can viewed on the control unit display by using
29. ecessary until the desired parameter screen is displayed there are eight parameter screens in this category 6 After making any desired changes refer to Section 6 1 for the procedure to 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 will be found in braces i e 2 in the PARAMETER column of Table 6 1 The complete menu structure shown in the order in which it is accessed from the control unit display is presented in outline form in Figure 6 2 Each indentation to the right represents a menu level below the indicated title MX28B 1200 2400 33 MX28B 1200 PRODUCT MANUAL Revision B Figure 6 2 Control Unit Menu Structure MX28B 1200 STATUS Sys Voltage Sys Current Sys Temp Batt Current Batt Temp ALARMS Alarm Item Alarm Item Alarm Item Alarm Item Alarm Item Alarm Item Alarm Item Alarm Item Alarm Item Alarm Item Alarm Item Alarm Item Alarm Item Alarm Item Alarm Item Alarm Item SYSTEM SET ALM Sys HV Thr Sys HV Alm Sys LV Thr Sys LV Alm Rect Cfg Alm Rect lofN Alm Rect 20 Alm Sys HT Thr Sys HT Alm Sys LT Thr Sys LT Alm Hw Sys V Alm Hw Batt C Alm Hw Batt T Alm Hw Sys T Alm Hw LVD1 Alm Hw LVD2 Alm SETUP PIN 1 PIN 2 Address 1 ON AU PWD H 34 MX28B 1200 2400 Revision Addr Addr Mode Fahr Cntr MX28B 1200 PRODUCT MANUAL Fi
30. elay 1 Alias 1 SYSTEM OUT RLY ALIAS Output Relay 6 Alias 1 SYSTEM OUT RLY ALIAS Output Relay Minor Alias 1 SYSTEM OUT RLY ALIAS MX28B 1200 2400 An alarm that indicates Fuse is blown An alarm that indicates Fuse 16 is blown An alternate name alias can be assigned to the relay if desired An alternate name alias can be assigned to the relay if desired An alarm activated in response to an external contact closure or opening at the Input Relay 1 connection An alarm activated in response to an external contact closure or opening at the Input Relay 4 connection An alternate name alias can be assigned to the relay if desired An alternate name alias can be assigned to the relay if desired An alternate name alias can be assigned to the relay if desired FUSE 1 Alm or FUSE 16 Alm Major In Rly 1 Input Relay 1 In Rly 4 Input Relay 4 In Rly 1 Alm m Ignore In Rly 4 Alm m Ignore Out Rly 6 Relay 6 Relay Minor Minor 45 MX28B 1200 PRODUCT MANUAL Revision B Table 6 1 Parameter Locations Descriptions and Default Values PARAMETER DESCRIPTION DISPLAY SCREENS DEFAULT SETTINGS Relay Major Major Output Relay Major Alias 1 An alternate name alias can be assigned to the relay if SYSTEM OUT RLY ALIAS desired Output Relay 1 Delay 1 Delay between sensing of the alarm condition and activation Out Rly 1 Dly m SYSTEM OUT RLY RLY MAP ofthe alarm
31. ential damages or should you experience a lack of cooperation from your carrier please contact your APC representative or call APC 1 3 4 Return of Damaged Goods Should equipment be damaged and require return to APC for repair the APC service representative will provide instructions along with a valid returned material authorization RMA number to facilitate return of the damaged goods to the APC repair center It is important that the steps outlined in Section 1 3 2 and Section 1 3 3 above are followed carefully Your APC representative will assist you if required in obtaining proper disposition of an initial delivery return issue however a valid RMA number must be obtained before returning any equipment to APC 2 MX28B 1200 2400 Revision MX28B 1200 PRODUCT MANUAL 2 CUSTOMER SERVICE AND SUPPORT APC manufactures a line power plants and provides customers with complete product and systems support and service APC has an international network of factory trained service technicians The service organization is on call 24 hours a day 365 days a year If there is a problem with the power system contact APC at 800 800 4APC Units returned for repair can be turned around within 24 to 48 hours of receipt at the factory location Shipment should be sent pre paid The unit will be returned pre paid provided it was received that way An RMA must be obtained for all equipment returned to APC It is important that correct procedures
32. ents that can cause serious burns or other physical harm It is recommended that e Any jewelry rings or watches be removed while working on this equipment e Handles of all wrenches screwdrivers cutters and pliers be insulated e Shafts of screwdrivers be wrapped in electrical tape or otherwise insulated MX28B 1200 2400 13 MX28B 1200 PRODUCT MANUAL Revision B 5 1 5 Room Locations 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 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 for all other equipment that may reside in the power room area 5 1 6 Mounting 14 The box frame housing the MX28B components is self supporting but designed to be bolted to the floor of the housing structure Figure 5 1 shows the footprint of the box frame and the mounting points with dimensions shown in inches Consult the system design specifications to see if it is necessary to electrically isolate the fr
33. ere is a hardware failure in the system Hw Sys Alm m SYSTEM SET ALM voltage monitoring function Minor Hardware Battery Current 2 This alarm indicates there is a hardware failure in the battery Batt Alm m SYSTEM SET ALM current monitoring function Minor Hardware Battery Temperature 2 This alarm indicates there is a hardware failure in the battery Batt Alm m SYSTEM SET ALM temperature monitoring function Minor Hardware System Temperature 2 This alarm indicates there 15 a hardware failure in the system Sys T Alm m SYSTEM SET ALM temperature monitoring function Minor Hardware LVD1 2 This alarm indicates there is a conflict between the LVD1 Alm m SET ALM iti SYSTEM commanded and sensed positions of the LVD1 Minor Hardware LVD2 2 This alarm indicates there is a conflict between the LVD2 Alm SYSTEM SET ALM commanded and sensed positions of the LVD2 Minor SYSTEM ALARMS DISPLAY Alarms Item 1 Display of up to 16 active alarms a typical alarm screen is Alarm Item 1 ALARMS Batt LV Alm On m Alarms Item 16 Display of up to 16 active alarms a typical alarm screen is Alarm Item 16 ALARMS shown Store Configuration 1 Setting this parameter to Enable will cause the current Store Cfg SYSTEM DIAG rectifier configuration to be stored the display toggles back Disable to Disable after entry Lamp Test 13 Setting Lamp Test to ON will turn on the MAJOR Lamp Test m
34. ery while the carrier representative is STILL ON SITE Please be sure that all items are accounted for including the correct number of pallets and the quantity of accessory and or component boxes Also note any visible external damage that may have occurred during transit If damage has occurred or the quantity of items is not correct then 1 Make a descriptive notation on the delivery receipt before signing MX28B 1200 2400 1 MX28B 1200 PRODUCT MANUAL Revision B 2 File a damage or shortage report with the carrier that delivered the shipment 1 3 3 Concealed Damage It is the customer s responsibility to unpack the power system and equipment received from APC and check for concealed damage Within 15 days of receipt check the materials received against the detailed packing list to verify that the quantity and condition are complete and satisfactory Again note any damage to the internal packing material and or material shortages If damage or shortage is noted then 1 Request an inspection by the carrier 2 File a concealed damage claim and or 3 File a material shortage claim with your APC representative DELAY IN NOTIFYING THE CARRIER MAY RESULT IN LOSS OF RIGHT TO REIMBURSEMENT FOR DAMAGES OR LOSS If you are unsure about the appearance of a part while conducting the materials inventory and inspection refer to the manual or contact the Customer Service Department of APC Should you have any questions concerning pot
35. ety Precautlonss oe i ate aa rei a 13 SLD Room Locations aute 14 91 6 171711 pe odere eet ri ee d ee eet tee eet 14 5 1 7 Ventilation 15 5 2 AC SERVICE AND GROUND CONNECTIONS ccccccssscesscessseceseeeseeceseeesseecseeeesseceuseecsseceseeeesaeceseeeesaecseesenseecnas 15 5 3 BATTERY CONNECTIONS ia A case cei eae eee NS 17 3 3 Battery Disconnect ii 17 5 32 Cable Sizing Considerations did 17 5 3 3 Connecting the Cables id a 17 5 4 0 17 5 5 RECTIFIER INSTALLATION cosita nr Ar cele tes dece ire cde ire cel aaa tai dee t Sa 18 5 6 MULTIPLE FRAME ASSEMBIL sasea casei citi ata ii diz 18 5 6 1 Power Connections n anl ta aaa le 18 5 6 2 Gontkol Wiring o aid AA A A et es RETE tata 19 23 ALARM CONNECTIONS data ct 23 IZL gt External Alarm Inp ls en A Bi iR 24 72 Alarm Outputs 5 Aet PS 24 5 8 CONNECTING EHE LOADS o rette o D ette reete ata E aa cai a 25 5 81 DC Circuit Breakers and eee eee 25 iv MX28B 1200 2400 Revision MX28B 1200 PRODUCT MANUAL 5 8 2 Installation of Circuit Breakers and Fusese 26 5 8 2 1 Plue m Circuit Breakers natn ee prieto dt e eo do 5 8 2 2 Circuit
36. ety ground wires A power entry box is provided at the top and rear of the box frame where AC wiring conduit can be attached Refer to Figure 4 3 Battery connections Battery connections are made at the top rear of the unit The 48V and Battery Return buses each provide four sets of threaded 3 8 16 holes 1 inch or 1 inch centers for connecting two hole battery cable lugs Refer to Figure 4 3 AC entry and vertical wiring A battery disconnect breaker is required external channel to this equipment The power plant can monitor auxiliary contacts from this breaker Battery temperature compensation is available APC s master control unit in conjunction with the optional temperature monitor sensor cable is used to implement this function Revision B Figure 4 3 Power Entry Box and Battery DC Distribution Connections A standard power distribution module within the power Pi box frame contains two 24 position plug in circuit i Circuit Breaker Positions aM 42 breaker columns providing 48V power for customer loads Each breaker column is connected at its center to 48V de bus with each side having an ampacity of 300A Connections for the 48V dc loads are located directly to the side of the corresponding breaker typical load connection would utilize a 6 AWG wire with a two hole lug on 5 8 inch centers attached with standard 10 32 mounting screws The load return cables for ea
37. ge 0 to 85 RH non condensing operating 0 to 95 RH non condensing storage Up to 3000m operating Up to 10 000m storage Base Power Frame 400 to 600 Ibs 181 to 272 kg Extension Power Frame 400 to 600 Ibs 181 to 272 kg Rectifier 11 Ibs 5 kg Box Frame 84 high x 26 wide x 26 deep 2134 mm x 660 mm x 660 mm Dawn Gray fronts UL 1950 11 Revision MX28B 1200 PRODUCT MANUAL 5 INSTALLATION PROCEDURES 5 1 Preparation 5 1 1 Recommended Tools e Standard selection of insulated hand tools e Proper tools for crimping the selected cable lugs 5 1 2 Recommended Test Equipment e Digital Multimeter 5 13 Equipment Inspection Remove equipment from packing material and inspect for shipping damage to verify the safety and operational suitability for the installation site Refer to Section 1 3 5 1 4 Safety Precautions WARNING CAUTION Handling or touching controller boards located inside this unit without being electro statically discharged grounded to the frame may cause extensive damage to the electronics Before touching or handling the controller boards it is recommended that an ESD wrist strap be utilized WARNING Hazardous energy levels are present on bare conductors 48V de distribution connection area of the plant Accidental shorting of distribution conductors can cause arcing and high curr
38. gure 6 2 Control Unit Menu Structure ess 2 ess 3 1 enheit 1 Rev FW Version Display Type DATE Date Time OUT RLY RLY MAP Out Rly 1 Alm Out Rly 2 Alm Out Rly 3 Alm Out Rly 4 Alm Out Rly 5 Alm Out Rly 6 Alm Out Rly 1 Dly Out Rly 2 Dly Out Rly 3 Dly Out Rly 4 Dly Out Rly 5 Dly Out Rly 6 Dly ALIAS Out Rly 1 Out Rly 2 Out Rly 3 Out Rly 4 Out Rly 5 Out Rly 6 Relay Minor Relay Major IN RLY RLY MAP In Rly 1 Alm In Rly 2 Alm In Rly 3 Alm In Rly 4 Alm ALIAS In Rly 1 In Rly 2 In Rly 3 In Rly 4 DIAG Store Cfg Lamp Test MX28B 1200 2400 35 MX28B 1200 PRODUCT MANUAL 36 Test Test Test Test Test Test Test Test Test MODULES RECT SET Figure 6 2 Control Unit Menu Structure Rel Rel Rel Rel Rel Rel Rel ay ay ay ay ay ay ay au gi WD Min Rly Maj Rly ALM Rect Rect Rect Rect PARAM INFO CIRBKR SET ALIA Rect Rect Rect Rect Rect Rect Rect Rect ALM Cir Cir Cir Cir Cir Cir Cir Cir Cir 5 Cir Cir Cir Cir Cir Cir CL Alm Stdby Alm FF Alm RFA Alm Fail Safe Fail Comm HE Bkr Bkr Bkr Bkr Bkr Bkr Bkr Bkr Bkr Bkr Bkr Bkr Bkr Bkr Bkr Desc Curr CL Stdby FF RFA Au PWD BP 70 Alm 71 Alm 72 Alm A uP WD Alm Alm Alm Alm Alm Alm Revision B MX28B 1200 2400 Revision FUSE MX28B 1200 2400 MX28B 1200 PRODUCT MANUAL Figure 6 2 Control
39. lize a 46 AWG wire with a two hole lug on 5 8 inch centers attached with standard 10 32 mounting screws The load return cables for each circuit breaker section connect to a return bus directly opposite the circuit breakers These return buses contain patterns for 28 two hole 10 32 lugs on 5 8 inch centers and 14 two hole Y4 20 lugs on double pattern of either 5 8 inch or 1 inch centers 5 8 2 3 Power Distribution Fuse Load Connections Connection for the 48V dc loads are made to L shaped landing pads connected to the distribution side of the fuse All the fuses within a given box frame have a common bus connection to 48V dc Load side connections utilize a double hole lug on 1 74 inch centers and return connections are made to the common return bus bar at the top of the cabinet using 1 inch or 1 inch lugs Figure 5 10 Figure 5 10 Fuse Bay Connections MX28B 1200 2400 27 MX28B 1200 PRODUCT MANUAL Revision B 5 9 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 not the frame surrounding the cell Generally the cell cover can be used be careful not to allow the probe body to touch the terminals 1 Plug the connector end of the temperatur
40. n the control unit front panel Setting this parameter to ON de energizes the Major Relay and turns on the MAJ LED on the control unit front panel Float voltage at 25 C battery temperature Maximum battery recharge current the system limits the charging current to this programmable value Activate 000001 or de activate 000000 battery temperature compensation Temperature compensation between low knee and high knee in mV cell C Compensation equals zero at 25 C 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 An alarm is generated if the battery discharge current exceeds this value An alarm is generated if the magnitude of the battery voltage rises above this value An alarm is generated if the magnitude of the battery voltage drops below this value An alarm is generated if the battery temperature exceeds this value An alarm is generated if the battery temperature drops below this value DISPLAY SCREENS DEFAULT SETTINGS Test Relay 1 m OFF Test Relay 6 m OFF Test Min Rly m OFF Test Maj Rly m OFF Batt Float 54 00 V Max Rech 12 A Method m 000000 TC m 3 00mV Disc Thr m 10 A MX28B
41. o Figure 5 6 for a pictorial representation of multi bay cable connection Figure 5 7 shows the information as a wiring diagram MX28B 1200 2400 19 MX28B 1200 PRODUCT MANUAL Revision B ALARM EXTENSION PCB EXTENSION DC DC CONVERTER on POWER OG 22 0970 CONTROL UNIT FUSE BAY Figure 5 6 Typical Connection of Cables in Multi Bay System 20 MX28B 1200 2400 Revision MX28B 1200 PRODUCT MANUAL RETURN BUS 48VDC BUS CIRCUIT CIRCUIT CIRCUIT CIRCUIT BREAKER BREAKER BREAKER BREAKER TIER TIER OR OR SINGLE SINGLE CIR BRKR CIR BRKR 0968 0968 ADV 1204 EIE FUSE SENSE PCB 0967 ALARM EXTENSION PCB 0072 CONNECTS 007 IN NEXT EXTENSION BAY PCB EAA 0004 CONNECTS 0111 I IN NEXT EXTENSION BAY 1 POWER SYSTEM CONTROL UNIT TO DC DC CNVIR IN EXT BAY 0960 0970 Sn m DC DC CNVIR 0965 BAY AWA 0965 BAY BASE POWER BAY FUS E
42. ontrol unit fails The maximum rectifier communications response time allowed before a communications failure is declared NOTE This information can be viewed for each rectifier installed by using the horizontal arrow keys Displays the model number of the installed rectifier A display of the output current for the individual rectifier The status will be ON if the rectifier has been forced into its current limited mode The status will be ON if the control unit is holding the rectifier in the standby mode The status will be ON if the rectifier fan has failed The status will be on if the rectifier output has failed This alarm indicates that a rectifier has been forced into the current limited mode DISPLAY SCREENS DEFAULT SETTINGS Batt Disc Alm m Minor Batt HV Alm Minor Batt LV Alm m Minor Batt HT Alm m Minor Batt LT Alm Minor Rect Fail Safem 54 00 V Rect Fail Commm 1 min Rect 1 Desc MRF28H54 Rect 1 Curr 24 9 Rect CL Alm of 43 MX28B 1200 PRODUCT MANUAL Revision B Table 6 1 Parameter Locations Descriptions and Default Values PARAMETER DESCRIPTION DISPLAY SCREENS DEFAULT SETTINGS Standby Alarm 1 This alarm indicates that the control unit is holding a rectifier Rect Stdby Almm MODULES RECT SET ALM in the standby mode n of N Fan Fail Alarm 1 This alarm indicates that a rectifier fan has failed Rect FF Alm m MODULES RECT
43. ority or mapping of an LVD2 Alarm LVD2 Open Alm m MODULES LVD SET ALM Minor 46 MX28B 1200 2400 Revision MX28B 1200 PRODUCT MANUAL MX28B 1200 2400 47 MX28B 1200 PRODUCT MANUAL Revision B 48 MX28B 1200 2400
44. ovided 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 presence 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 ALMI e e e ALM6 MIN and External Alarm Inputs The four external alarm inputs also referred to as Input Relay Alarms can be assigned priority and routed or mapped to alarm output relays Available assignments are Ignore Major Minor and Relay 1 e e Relay 6 Screens for making the assignments are located at SYSTEM IN RLY RLY MAP This special menu notation is explained with an example in section 6 4 A user defined name or alias may also be assigned to each of these input alarms Screens for making these assignments are located at SYSTEM IN RLY ALIAS For information on wiring connections to these inputs refer to Section 5 7 1 Alarm 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 specific conditions occur The first six relays can also be assigned a priority and routed or mapped to other output al
45. re revision level of the control unit Version number of the control unit firmware NOTE Actual firmware version number displayed is the current version as of the date of manufacture m 0001 Fahrenheit m OFF Cntrl Rev 000002 FW Version 000131 39 MX28B 1200 PRODUCT MANUAL Revision B Table 6 1 Parameter Locations Descriptions and Default Values PARAMETER Display Type SYSTEM SETUP Date Time Setup Date 1 SYSTEM DATE Time 1 SYSTEM DATE Alarm Threshold Setup High Voltage Threshold 1 SYSTEM SET ALM Low Voltage Threshold 1 SYSTEM SET ALM High Temperature Threshold 1 SYSTEM SET ALM Low Temperature Threshold 1 SYSTEM SET ALM System Status System Voltage STATUS System Current STATUS System Temperature STATUS Battery Current STATUS Battery Temperature STATUS System Alarms System High Voltage 1 SYSTEM SET ALM System Low Voltage 1 SYSTEM SET ALM System High Temperature 1 SYSTEM SET ALM 40 DESCRIPTION Type number for the control unit display System High voltage alarm threshold System Low voltage alarm threshold Over temperature alarm threshold Under temperature alarm threshold System output voltage measured between the MX28B de power plant 48V and return buses The total system output current calculated as the sum of the individual rectifier output currents System temperature measu
46. red within the control unit Battery current measured at the current shunt Battery temperature measured by the optional battery temperature sensor probe System voltage is above the high voltage threshold System voltage is below the low voltage threshold The control unit temperature is above the high temperature threshold DISPLAY SCREENS DEFAULT SETTINGS Display Type 000255 Date DEC 16 1999 Sys HV Thr 58 00 V Sys LV Thr m 50 00 V Sys HT Thr m 70 0 Sys Voltage 54 00 Sys Current 145 8 Batt Current 15 0 Batt Temp 25 2 Sys HV Alm Minor Sys LV Alm Minor Sys HT Alm m Minor MX28B 1200 2400 Revision MX28B 1200 PRODUCT MANUAL Table 6 1 Parameter Locations Descriptions and Default Values PARAMETER DESCRIPTION DISPLAY SCREENS DEFAULT SETTINGS System Low Temperature 1 The control unit temperature is below the low temperature Sys LT Alm m SYSTEM SET ALM threshold Minor Rectifier Configuration 1 The rectifier configuration differs from its stored Rect Cfg Alm m SYSTEM SET ALM configuration Minor Rectifier Fail 1 of N 1 Rectifier Fail 1 of N alarm one rectifier has at least one Rect lofN Alm m SYSTEM SET ALM alarm condition Minor Rectifier Fail 2 of N 1 Rectifier Fail 2 of N alarm two or more rectifiers have at Rect 20fN Alm m SYSTEM SET ALM least one alarm condition each Major Hardware System Voltage 2 This alarm indicates th
47. relay An alarm condition must exist for longer 0 sec than the delay to be activated Output Relay 6 Delay 1 Delay between sensing of the alarm condition and activation Out Rly 6 Dly m SYSTEM OUT RLY RLY MAP of the alarm relay An alarm condition must exist for longer 0 sec than the delay to be activated Output Relay 1 1 Output Relay 1 alarm can be mapped to activate other Out Rly 1 Alm m SYSTEM OUT RLY RLY MAP output relays Ignore activates no additional relays Ignore Output Relay 6 1 Output Relay 6 alarm can be mapped to activate other Out Rly 6 Alm m SYSTEM OUT RLY RLY MAP output relays Ignore activates no additional relays Ignore LVDI Trip 1 LVD trip disconnect threshold voltage LVD1 Trip MODULES LVD PARAM m 42 00 V LVDI Restore 1 restore reconnect threshold voltage Reset m MODULES LVD PARAM 48 00 V LVD2 Trip 1 LVD2 trip disconnect threshold voltage Trip m MODULES LVD PARAM 42 00 V LVD2 Restore 1 LVD2 restore reconnect threshold voltage MODULES LVD PARAM LVDI Option 1 Set to Enable if the unit has an LVD1 LVD1 Option m MODULES LVD SET ALM Enable LVDI Alarm 1 Sets priority or mapping of an LVD1 Alarm LVD1 Open Alm m MODULES LVD SET ALM Minor LVD2 Option 11 Set to Enable if the unit has an LVD2 1102 Option m MODULES LVD SET ALM Enable LVD2 Alarm 1 Sets the pri
48. s are located in a separate fuse power distribution box frame The fuse holders are designed to hold Bussmann or equivalent TPL series fuses in sizes of 70 amps to 600 amps The following stock sizes are available from APC FUSE APC PART RATING NUMBER 200 A FFA 0106 300 A FFA 0093 600 A FFA 0099 Table 5 5 Telecom Power Fuses 5 8 2 Installation of Circuit Breakers and Fuses 5 8 2 1 Plug in Circuit Breakers 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 5 9 The breaker alarm terminals are designed to make contact with the alarm terminal board as the breaker is snapped into place NOTE Circuit breaker alarm contacts close when the circuit breaker is tripped but not when it is turned OFF CAUTION 3 Reattach circuit breaker cover panel 26 MX28B 1200 2400 Revision MX28B 1200 PRODUCT MANUAL ALARM TERMINATION BOARD ATION POST Y BREAKER TERMIN L CIRCUIT BREAKER BREAKER TES Figure 5 9 Plug in Circuit Breaker Insertion 5 8 2 2 Circuit Breaker Load Connections Connections for the 48V dc loads are located directly to the side of the corresponding breaker A typical load connection would uti
49. tion Set at 59 5V dc Output Current per Rectifier 50 Amps Minimum Continuous e Power Output per Rectifier 2800W Continuous Vin 7 198V ac e Efficiency 91 Typical Cooling Fan cooled front to rear airflow Ambient Temperature 25 C to 65 C Operational 4 4 Control Unit The microprocessor based power system control unit is 1U high 1 75 and provides control and monitoring functions Features implemented are 32 character alphanumeric display 2 lines by 16 characters LED alarm and status indicators e Standard voltage and battery charging control e Battery temperature compensation optional temperature probe e Monitoring of up to 18 shelves of four rectifiers each e Individual alarm monitoring of 72 breakers e Individual alarm monitoring of ten power distribution fuses Fight alarm annunciation relays Major Minor and six user defined with form C contact outputs e Four external alarm inputs either N O or N C contacts e Control for two independent Low Voltage Disconnects LVD s MX28B 1200 2400 9 MX28B 1200 PRODUCT MANUAL 4 5 4 6 4 7 10 AC Input Power Each rectifier requires 208 220 240V ac single phase 50 60 Hz supplied through an external 20 amp two pole breaker A vertical wire channel at the rear of the box frame provides terminal strips for ac input power connection of each shelf Separate Earth Ground terminal bars are provided for the connection of the saf
50. uit components will normally be available within 24 to 48 hours of receipt of equipment or RMA 3 1 2 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 the defective product s or component s will be repaired or replaced at the sole option of APC without charge to the user for replacement materials or repair labor The procedure outlined above for contacting APC must be followed Costs incurred for replacement installation including but not limited to installation equipment travel expenses of an APC representative s and costs of installation material transportation expenses are not the responsibility of APC 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 3 2 Exclusions and Limitations 1 This warranty applies only to the original US domestic purchaser user and 15 not transferable internationally except with expressed written consent from APC facility in Dallas Texas 2 APC reserves the right to void the warranty if identification marks or serial numbers have been removed or tampered with or defect 15 determined to have been caused by misuse neglect improper installation environmental conditions non authorized repair alteration or accident 3 This warranty does not
51. y 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 enables modification of all variable system parameters level 1 MX28B 1200 2400 31 MX28B 1200 PRODUCT MANUAL Revision B 6 2 6 3 6 4 32 permits modification of some parameters no security is required for viewing status items The security level password is entered through the PIN screen If no front panel keys are pressed for 60 minutes the active password reverts to 0000 and begins to move about display Pressing any key returns the display to normal the password must be re entered if system parameters require changes The default passwords for level 1 and level 2 are 1111 and 2222 respectively There are no alternate passwords or backdoors for accessing the system A forgotten password may require a new master controller board at customer expense System control parameters are stored in non volatile memory and will not be erased when power 15 removed for the master control unit However ifa new program is installed or a different device model selected the system control parameters will be re initialized to the factory default settings Eleven LEDs are pr
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