American Power Conversion MX28B1200 User's Manual
Contents
1. 5 1 4 Safety Precautions wR WARNING tk CAUTION Handling or touching the 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 tk WARNING Hazardous energy levels are present on bare conductors in the 24 and 48V DC distribution connection areas 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 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 12 Rev I MX28B 1200 27V PRODUCT MANUAL 5 1 5 Room Locations NOTE The APC Model MX28B1200 2400 27V DC power plant is to be installed in a room vault or similar enclosure that is accessible only to gualified persons in accordance with the NEC or the authority having jurisdiction Prior to installation drawings floor loading reguirements 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 battery2. Up to eight 24V 48V de converters can be used to supply power for 48V loads in increments of 10 Amps each These converters are mounted at to bottom of the unit Each converter is powered via a circuit breaker located directly below See figure 4 6 Figure 4 6 DC to DC Converters 10 Rev 1 4 10 Environmental e Ambient Temperature e Humidity e Altitude 4 11 Mechanical e Weight e Dimensions e Color 4 12 Compliance e Safety e NEBS MX28B 1200 27V PRODUCT MANUAL 4 F to 149 F 20 C to 65 C operating 40 F to 185 F 40 C to 85 C storage 0 to 85 RH non condensing operating 0 to 95 RH non condensing storage Up to10 000 feet 3000m operating Up to 33 000 feet 10 000m storage Power Frame 550 to 600 Ibs 250 to 272 kg Rectifier 11 Ibs 5 kg Converters 7 2 lbs 3 3 kg Frame 84 high x 24 25 wide x 18 deep 2134 mm x 616 mm x 457 mm Dawn Gray fronts UL 1950 Pending Level 1 Pending 11 MX28B 1200 27V PRODUCT MANUAL Rev 1 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 1 3 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
3. 1 Stdby OFF Rect 1 FF OFF Rect 1 RFA Rect CL Alm n of ee Rev I MX28B 1200 27V PRODUCT MANUAL 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 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 CONVERTER SETUP Fail Safe Voltage 1 Converter default output voltage if communication with the Conv Fail Safem MODULES CONV PARAM control unit fails 50 00 V Communications Timeout 1 The maximum converter communications response time Conv Fail Commmt MODULES CONV PARAM allowed before a communications failure is declared Converter Information NOTE This information can be viewed for each converter installed by using the horizontal arrow keys Converter Current A display of the DC output current for the individual Conv 1 Curr MODULES CONV INFO Converter 7 9 A 1 min Current Limit Alarm The status will be ON if the Converter has been forced into MODULES CONV INFO its current limited mode Standby Alarm The status will be ON if the control unit is holding the MODULES CONV INFO Converter in the
4. Conv AUNE Store Cfg Lamp Test Test Relay Test Relay Test Relay Test Relay Test Relay Test Relay Test Relay Test Min Test Maj SET ALM Rect Rect Rect Rect PARAM Rect Rect INFO Rect Rect Rect Rect Rect SET ALM Conv Conv Conv Conv PARAM Conv Conv INFO Conv Conv Conv Conv Conv de A Rly Rly CL Alm Stdby Alm FF Alm RFA Alm Fail Safe Fail Comm Curr CL Stdby FF RFA 4 JE IE db JE CL Alm Stdby Alm FF Alm CFA Alm Fail Safe Fail Comm Curr CL Stdby FF CFA IE JE db Sk OH Rev 1 Rev 1 MX28B 1200 27V PRODUCT MANUAL Figure 6 2 Control Unit Menu Structure CIRBKR SET ALM Cir Cir Cir Cir Cir Cir Cir Cir Cir ALIAS Cir Cir Cir Cir Cir Cir Cir Cir Cir Cir Cir FUSE SET ALM FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE Figure 6 2 Control Unit Menu Structure Bkr Bkr Bkr Bkr Bkr Bkr Bkr Bkr Bkr Bkr Bkr Bkr Bkr Bkr Bkr Bkr Bkr Bkr Bkr Bkr 0 JO UB ON 10 11 12 13 14 15 16 Alm Alm Alm Alm Alm Alm RUR WN EH 70 Alm 71 Alm 72 Alm OA RUR ONA 70 71 72 Alm Alm Alm Alm Alm Alm Alm Alm Alm Alm Alm Alm Alm Alm Alm Alm 31 MX28B 1200 27V PRODUCT MANUAL Rev I ALIAS FUSE 1 FUSE 2 FUSE 3 FUSE 4 FUSE 5 FUSE 6 FUSE 7 FUSE 8 FUSE 9 FUSE 10 FUSE 11 FUSE 12 FUSE 13 FUSE 14 FUSE 15 FUSE 16 LVD SET ALM LVD1
5. 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 Table 5 3 Alarm Output Connections 5 8 Connecting The Loads 5 8 1 DC Circuit Breakers 20 Various circuit breakers can be installed in the MX28B power plant for DC distribution circuit protection Available plug in circuit breakers are shown in Table 5 4 Plug in circuit breakers rated at 60A or more reguire two mounting positions and reguire a breaker adapter kit which is included see kit selection information below the table The breaker adapter kit includes all necessary mounting hardware CA E RATING RATING a ai a mee me remi er A or rem ea E es wa E Con KS EC Qs KA 1 adapter has 10 studs on 5 8 centers for two hole cable lug 2 adapter has 10 studs on 34 centers for two hole cable lug 3 adapter has 14 studs on 1 centers for two hole cable lug Table 5 4 Plug in Circuit Breakers Rev 1 MX28B 1200 27V PRODUCT MANUAL 5 8 2 Installation of Circuit Breakers 1 Remove the metal circuit breaker cover panels 2 Use diagonal cutters to cut the metal web of the breaker panel knock outs at the desired breaker locations 3 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 i
6. 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 eguipment returned to APC It is important that correct procedures 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 No Fault Found results APC reserves the right to bill the customer for labor and assess a service charge to cover extra costs incurred 3 WARRANTY PROVISIONS 3 1 General Provisions APC warrants the power eguipment 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 eguipment or component s to the APC factory service center FOB destination freight pre paid for examination or b for non returnable systems and
7. eguipment notice to wait until an APC authorized service representative arrives at the site to inspect the eguipment Repaired or advance replacement modules or circuit components will normally be available within 24 to 48 hours of receipt of eguipment or RMA 3 1 2 Warranty Repair or Replacement If during the warranty period the supplied eguipment 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 eguipment 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 components shall only complete the remaining unused portion of the original warranty of the replaced product s or component s MX28B 1200 27V PRODUCT MANUAL Rev 1 3 2 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 facility in Dallas Texas APC reserves the right to void the warranty if identification marks or serial numbers have been removed or tampe
8. most numeric values after the M 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 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 reguired for the parameters to be modified Security level 2 enables modification of all variable system parameters level 1 permits modification of some parameters no security is reguired 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 APC begins to move about the display Pressing any key returns the display to normal the password must be re entered if system parameters reguire changes 25 MX28B 1200 27V PRODUCT MANUAL Rev I 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
9. 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 temperature probe into J5 on the left side of the control unit backplane card in the base power bay 2 Route the cable as reguired 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 gt iks li e Figure 5 10 J5 Location 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 or fused disconnect 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 4 Verify that converters if installed are set to ON and have their respective breakers ON 22 Rev I MX28B 1200 27V PRODUCT MANUAL 5 10 1 Apply AC Power Tum on the circuit breakers that supply
10. the ground terminal block Continue to run the remaining two wires into the individual conduits to each rectifier shelf Connect them to L1 and L2 of the terminal block behind the access plate 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 Pilot holes 3 Figure 5 4 5 3 Battery Connections 5 3 1 Battery Disconnect An external circuit breaker or fused disconnect not supplied is recommended in the positive 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 or fuse for a battery string should take into account maximum battery short circuit current and cable sizing 15 MX28B 1200427V PRODUCT MANUAL Rev I 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 reguirements The cable s must also carry the full load current during battery operation If assistance is reguired 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 5 The battery negative return b
11. unit display Display Type SYSTEM SETUP 000255 Date Time Setup Date 1 3 Date SYSTEM DATE DEC 16 1999 Time 1 SYSTEM DATE Alarm Threshold Setup High Voltage Threshold 1 System High voltage alarm threshold Sys HV Thr SYSTEM SET ALM 28 00 V Low Voltage Threshold 1 System Low voltage alarm threshold Sys LV Thr m SYSTEM SET ALM 25 00 V High Voltage Threshold 1 Converter High voltage alarm threshold Conv HV Thr m SYSTEM SET ALM 52 00 V Low Voltage Threshold Converter Low voltage alarm threshold Conv LV Thr SYSTEM SET re 48 00 ae High Temperature Threshold Over temperature alarm threshold Sys HT Thr SYSTEM SET ALM 70 a i Low Temperature Threshold 1 Under temperature alarm threshold Sys LT Thr m SYSTEM SET ALM 0 0 c System Status System Voltage System output voltage measured between the MX28B DC Sys Voltage STATUS power plant 27V and return buses System Current The total system output current calculated as the sum of the Sys Current STATUS individual rectifier output currents 1120 8 Converter Voltage Converter output voltage measured between the MX28B DC Conv Voltage STATUS power plant 48V and return buses 50 Converter Current The total converter output current calculated as the sum of Conv Current STATUS the individual converter output currents 68 System Temperature System temperature measured within the control unit Note STATUS Will read about 156 C
12. with no probe attached Battery Current Battery current measured at the current shunt Batt dai STATUS Battery Temperature Battery temperature measured by the optional battery Batt Temp i STATUS temperature sensor _ 25 2 System Alarms System Alarms System High Voltage 1 S voltage is above the high voltage threshold Sys HV oo mt SYSTEM SET ALM Minor System Low Voltage 1 System voltage is below the low voltage threshold Sys LV Alm mt SYSTEM SET ALM Minor Converter High Voltage 1 Converter voltage is above the high voltage threshold Conv HV Alm m SYSTEM SET ALM Minor 39 MX28B 1200 27V PRODUCT MANUAL Converter Low Voltage 1 SYSTEM SET ALM System High Temperature 1 SYSTEM SET ALM System Low Temperature 1 SYSTEM SET ALM Rectifier Configuration 1 SYSTEM SET ALM Rectifier Fail 1 of N 1 SYSTEM SET ALM Rectifier Fail 2 of N 1 SYSTEM SET ALM Converter Configuration 1 SYSTEM SET ALM Converter Fail 1 of N 1 SYSTEM SET ALM Converter Fail 2 of N 1 SYSTEM SET ALM Hardware System Voltage 2 SYSTEM SET ALM Converter System Voltage 2 SYSTEM SET ALM Hardware Battery Current 2 SYSTEM SET ALM Hardware Battery Temperature 2 SYSTEM SET ALM Hardware System Temperature 2 SYSTEM SET ALM Hardware LVD1 2 SYSTEM SET ALM Hardware LVD2 2 SYSTEM SET ALM SYSTEM ALARMS DISPLAY Alarms Item 1 ALARMS A
13. AC power to the rectifier shelves in the MX28B DC power plant Turn on the individual 20 Amp circuit breakers for each rectifier on the shelf The main screen should appear on the control unit display see Figure 5 10 The display on the control unit is a 2 line 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 10 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 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 MX28B1200 24V 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 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 27 00V DC Check the manufacturer s recomm
14. BURSEMENT 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 potential 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 reguired in obtaining proper disposition of an initial delivery return issue however a valid RMA number must be obtained before returning any eguipment to APC Rev I MX28B 1200 27V 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
15. DUCT MANUAL 4 PRODUCT OVERVIEW AND TECHNICAL DESCRIPTION 4 1 Description The APC Models MX28B1200 27V represents a family of stand alone 24V DC power plants Through the use of modular power a system is configurable in such a manner that it will support most typical applications within the specified current range of up to 1200 amps without special application engineering or assistance The expansion bay which will increase the output to 2400 Amps will be available shortly The system is capable of supplying 1200 amps of 24V DC power in a single frame with integrated power distribution and an advanced control and monitoring module Standard distribution for a power bay includes up to 38 plug in circuit breakers ranging from 1 to 100 amps An optional 24V to 48V Converter shelf is available to power up to 80 Amps of 48V loads that can be distributed by up to 7 circuit breakers An optional low voltage disconnect LVD can be provided on the battery side A 1200 amp MX28B 27V with converters is shown in Figure 4 1 A block diagram is shown in Figure 4 2 Figure 4 1 MX28B 1200 2400 27V MX28B 1200 27V PRODUCT MANUAL Rev I USER INFRASTRUCTURE 24V RECTIFIERS UTILITY jat AC sil oo 48V DC DC Sa BE CONVERTERS 24V BUS DISCONNECT LVD OPTIONAL WEB SNMP USER INTERFACE INPUT OUTPUT RETURN BUS BATTERY SHUNT MX28B 1200 27 MAIN GND Figure 4 2 MX28B1200 2400 27V System Diagram Rev 1 4 2 Power Output Capac
16. LIMITATIONS PRODUCT OVERVIEW AND TECHNICAL DESCRIPTION s 4 1 DESCRIPTION AAA 5 42 POWER OUTPUT CAPACES BRT CER er 7 43 RECTIPIERS ccccccccscsseecseeeees 44 CONVERTERS ccccccscssescseeeees 45 CONTROL UNIT 4 6 AC INPUT POWER 4 7 BATTERY CONNECTIONJS 48 24V DC DISTRIBUTION 49 48 V DC DISTRIBUTION FROM CONVERTERS OPTIONAL c ccsssssssessssessescssesessessescscseescsscscsecsseecsecassecaeceesecaeeeens 10 4 10 ENVIRONMENTAL 4 11 MECHANICAL 4 12 COMPLIANCE ccccescsssscsscscsscscescescsesecsescesecsessusscaesssseccessssessssessesessessessssessesssscsssaessesesscsseecnacassecsecsesecaseecnscassecaeceesscaeeeens INSTALLATION PROCEDURES neues 12 5 1 III IO IN 12 5 1 1 Recommended T Ols iwwuxsstisvinvs v htvevavevastkvv sksvtanvenvanve vasarat JESE ANA O Aa MANA SAN SAN ANA nr ne 5 1 2 Recommended Test Equipment 5 1 3 Equipment Inspection 5 1 4 Safety Precautions 5 1 5 XZ Room Locations 5 1 6 Mounting OS ALA A AN 5 2 AC SERVICE AND GROUND CONNECTIONS 53 BATTERY CONNECTIONS id ita 5 3 1 Battery Disconnect 3 3 2 Cable Sizing Considerations 5 3 3 Connecting the Cables 54 DC SYSTEM GROUNDING aaa aE Ea o nena 5 5 RECTIFIER INSTALLATION aken 3 6 CONVERTER INSTALLATION it 17 5 7 ALARM CONNECTIONS 5 7 1 Extern
17. MX28B 1200 27V PRODUCT MANUAL Rev I LVD Alarm LVDI Option 1 Set to Enable if the unit has an LVDI Option mt MODULES LVD SET ALM Enable LVDI Alarm 1 Sets the priority or mapping of an LVDI Alarm LVD1 Open Alm mt MODULES LVD SET AIM Minor LVD2 Option 1 Set to Enable if the unit has an LVD2 LVD2 Option m MODULES LVD SET ALM Enable LVD2 Alarm 1 Sets the priority or mapping of an LVD2 Alarm LVD2 Open Alm m MODULES LVD SET ALM Minor 42
18. Option LVD1 Open Alm LVD2 Option LVD2 Open Alm PARAM LVD1 Trip LVD1 Reset LVD2 Trip LVD2 Reset BATT SET ALM Batt Disc Thr Batt Disc Alm Batt HV Thr Batt HV Alm Batt LV Thr Batt LV Alm Batt HT Thr Batt HT Alm Batt LT Thr Batt LT Alm PARAM Batt Float Batt Max Rech COMP Comp Method Comp TC Comp HKnee Comp Lknee Figure 6 2 Control Unit Menu Structure 32 Rev 1 PIN OEM PIN OEM R Offset OEM R Gain OEM C Offset OEM C Gain OEM S Offset OEM S Gain MX28B 1200 27V PRODUCT MANUAL 33 MX28B 1200 27V PRODUCT MANUAL Rev I Table 6 1 Parameter Locations Descriptions and Default Values PARAMETER DESCRIPTION DISPLAY SCREENS DEFAULT SETTINGS sae IEC KAKA KKK PIN Entry Screen for entry of the active password PIN PIN m PIN 0000 Level 1 PIN 2 Password PIN that permits security Level 1 parameter PIN 1 m SYSTEM SETUP changes limited access 1111 Level 2 Password 2 Password PIN that permits security Level 2 parameter PIN 2 SYSTEM SETUP changes unlimited access OEM R Offset 2 Voltage offset adjustment for factory calibration of voltage OEM R Offset mt OEM readings settings 0 000 v OEM R Gain 2 Voltage gain adjustment for factory calibration of voltage OEM R Gain m OEM readings settings 1 000 V OEM C Offset 2 Voltage offset adjustment for factory calibration of voltage OEM C Offset mt OEM readings settings 0 000 v OEM C Gain 2 Voltage gain adjustment for factory
19. System control parameters are stored in non volatile memory and will not be erased when power is removed for the master control unit However if a new program EPROM is installed or a different device model selected the system control parameters will be re initialized to the factory default settings 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 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 lt lt ALMO MIN and MAJ 6 2 SNMP Interface In addition the unit s controller incorporates a 10 base T Ethernet connection to allow remote access to the system signals and remote control of certain aspects of its operation APC s Manual 991 0181 in the form of a CDRom will allow users to set up interface with the user s Information Technology System Simple Network Management Protocol SNMP version 1 is supported along with telnet protocol 6 3 External Alarm Inputs 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 Screen
20. Threshold 1 BATT SET ALM High Temperature Threshold 1 BATT SET ALM Low Temperature Threshold 1 BATT SET ALM MX28B 1200 27V PRODUCT MANUAL This parameter must be set to Enable to permit the eight output relays to be manually tested otherwise the state of the relays will be per system conditions 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 Setting this parameter to ON energizes the Minor Relay and turns on the MIN LED on 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 Maximun 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 temp
21. al Alarm Inputs 5 72 Alarm Outputs A A A A A RE EEEE KAE RO Rev I MX28B 1200 27V PRODUCT MANUAL 5 8 CONNECTING THE ADS es tess setete A ENA o e E vie 5 8 1 DG Circuit Breakers iia ada ci dada 5 8 2 Installation of Circuit Breaker aii 5 8 2 1 24V Circuit Breaker Load Connections 5 8 2 2 48V Circuit Breaker Load Connections 5 9 BATTERY TEMPERATURE PROBE INSTALLATION ccccccssssssssssesescescescssssscssccsecsecsscsessesseecesssssssssssssesssessessessaseaseascas 5 10 POWER UP AND CHECKOUT 5 10 1 Apply AC PWET anei 504 sih ni daa 5 10 2 System Parameters Verification ACjUSTMENL ccccecccscscscecssssececesesecesesssececesesesesecesesesesesececeseseseeteeeeeeeteneeeees 23 5 10 3 Full System BOW UDS sn Rn ee ias 24 6 SETUP ADJUSTMENTS AND OPERATION 25 6 1 USERINTERFACE sivi sin A EN NE a al 62 SNMP UTINTEREFACE sie ovna EE ENI iaa 6 3 EXTERNAL ALARM INPUTS ssiri niri erneit ai 6 4 ALARM OUTPUT RELAYS osssorsssrssssrsessrsrrnsrsrnrnnrrrnsnnersnsensr reser ser en nn ennen ennen ennen 6 5 PARAMETER LOCATIONS DESCRIPTIONS AND DEFAULT VALUES Rev I MX28B 1200 27V PRODUCT MANUAL 1 GENERAL INFORMATION 1 1 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 setti
22. alternate name alias that can be assigned to a Fuse 1 if Maija kl USS ER desired Fuse 16 Alias 1 An alternate name alias that can be assigned to a Fuse 16 if FUSE 16 MODULES FUSE ALIAS desired 24V Fuse 1 Blown 1 An alarm that indicates Fuse 1 is blown FUSE 1 Alm MODULES FUSE SET ALM E 1 oa Fuse 16 Blown 1 An alarm that indicates Fuse 16 is blown FUSE 16 Alm m MODULES FUSE SET ALM INPUT RELAY SETUP Input Relay 1 Alias 1 An alternate name alias can be assigned to the relay if In Rly 1 SYSTEM IN RLY ALIAS desired Major Input Relay 1 Input Relay 4 Alias 1 An alternate name alias can be assigned to the relay if In Rly 4 SYSTEM IN RLY ALIAS desired Input Relay Alarms Input Relay 4 Input Relay 1 1 An alarm activated in response to an external contact closure In Rly 1 Alm m SYSTEM IN RLY RLY MAP or opening at the Input Relay 1 connection Ignore Rev I MX28B 1200 27V PRODUCT MANUAL Input Relay 4 1 An alarm activated in response to an external contact closure In Rly 4 Alm m SYSTEM IN RLY RLY MAP or opening at the Input Relay 4 connection Ignore OUTPUT RELAY SETUP Output Relay 1 Alias 1 An alternate name alias can be assigned to the relay if Out Rly 1 SYSTEM OUT RLY ALIAS desired Relay 1 Output Relay 6 Alias 1 An alternate name alias can be assigned to the relay if Out Rly 6 SYSTEM OUT RLY ALIAS desired Relay 6 Output Relay Minor Alias 1 An alternate na
23. 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 eguipment that may reside in the power TOOM area 5 1 6 Mounting The unit is designed to be bolted to the floor of the housing structure Figure 5 1 shows the footprint of the frame and the mounting points with dimensions Consult the system design specifications to see if it is necessary to electrically isolate the frame from the floor structure This is required in many installations 6x0 88 27 352mm 18 00 457 2mm 21 25 539 75mm 24 25 815 95mm 439 mm 00 177 8mm 2x2 00 14 00 50 8mm 355 6mm Figure 5 1 Floor Mounting Dimensions 13 MX28B 1200427V PRODUCT MANUAL Rev I 5 1 7 Ventilation The rectifiers have fans that provide front to rear airflow for internal cooling The MX28B1200 housing should mounted to allow free airflow from the front and out the top of the unit Refer to Section 4 10 for environmental characteristics 5 2 AC Service and Ground Connections KKK KE WARNING KKK KE 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 The MX28B DC power plant requires the supply of 208 220 240V AC single phase 50 60 Hz
24. calibration of voltage OEM C Gain m OEM readings settings 1 000 V OEM S Offset 2 Current offset adjustment for factory calibration of battery OEM S Offset mt OEM current readings settings 0 0 A OEM S Gain Current gain adjustment for factory calibration of battery OEM S Gain OEM current readings settings 1 000 A m Site Address Identification m 2 Address 1 1 Power plant address or identification first line Address 1 SYSTEM SETUP APC Address 2 1 Power plant address or identification second line Address 2 mt SYSTEM SETUP 11035 Switzer Av Address 3 1 Power plant address or identification third line Address 3 mt SYSTEM SETUP Dallas TX Model 2 Model name for the DC power plant reset defaults Model mt SYSTEM SETUP selection will re initialize to factory settings for model MX28B 1200 24V selected Temperature Scale 1 Enables selection of Fahrenheit or Celsius temperature scale Fahrenheit m SYSTEM SETUP Fahrenheit OFF displays readings in C OFF Control Unit Revision Hardware revision level of the control unit Cntrl Rev SYSTEM SETUP 000002 Firmware Version Version number of the control unit firmware FW Version SYSTEM SETUP NOTE Actual firmware version number displayed is the 000131 current version as of the date of manufacture 34 Rev 1 MX28B 1200 27V PRODUCT MANUAL DESCRIPTION DISPLAY SCREENS DEFAULT SETTINGS Display Type Type number for the control
25. eipt 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 IMMEDIA TELY upon taking delivery 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 2 File a damage or shortage report with the carrier that delivered the shipment MX28B 1200 27V PRODUCT MANUAL Rev I 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 REIM
26. endation for the batteries being used in the system 2 Battery Maximum Recharge Rate default 200A 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 27 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 6 provides location information for these parameters and how to make changes if required 23 MX28B 1200 27V PRODUCT MANUAL Rev I 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 DC 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 DC power plant 4 Load circuit breakers may now be turned on and inserted as required 24 Rev 1 MX28B 1200 27V PRODUCT MANUAL 6 SETUP ADJUSTMENTS AND OPERATION 6 1 User Interface The MX28B control unit provides a user interface designed wit
27. erature 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 Test Relay En m Disable Test Relay 1 mt OFF Test Relay 6 m OFF Test Min Rly mt OFF Test Maj Rly mt Batt Float 27 00 V Max Rech mt 100A Method m 000000 TC m 3 00mV Disc Thr mt 100 A 37 MX28B 1200 27V PRODUCT MANUAL Rev I Table 6 1 Parameter Locations Descriptions and Default Values PARAMETER DESCRIPTION DISPLAY SCREENS DEFAULT SETTINGS enem Z AIJI O An alarm that is generated if the battery discharge current Batt Disc Alm mt exceeds the programmed battery discharge threshold Minor Discharge Alarm BATT SET rere High Voltage Alarm 1 BATT SET ALM An alarm that is generated if the magnitude of the battery voltage rises above the high voltage threshold Batt HV Alm m Minor Low Voltage Alarm 1 BATT SET ALM An alarm that is generated if the magnitude of the battery voltage drops below the low voltage threshold Batt LV Alm m Minor An alarm that is generated if the battery temperature exceeds the high temperature threshold Batt HT Alm m M
28. g function This alarm indicates there is a hardware failure in the system temperature monitoring function Sys T Alm mt Minor LVD1 Alm mt Minor This alarm indicates there is a conflict between the commanded and sensed positions of the LVD1 LVD2 Alm Minor This alarm indicates there is a conflict between the commanded and sensed positions of the LVD2 Alarm Item 1 Batt LV Alm On m Display of up to 16 active alarms a typical alarm screen is shown Display of up to 16 active alarms a typical alarm screen is Alarm Item 16 shown Setting this parameter to Enable will cause the current rectifier configuration to be stored the display toggles back to Disable after entry Store Cfg AS Setting Lamp Test to ON will turn on the MAJOR MINOR NORMAL MAJ and MIN LEDs on the control unit front panel Lamp Test m OFF Rev 1 Test Relay Enable 1 SYSTEM DIAG 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
29. h a hierarchical menu that can be viewed on the 32 character display by navigating with the lt left gt right ft up and 1 down arrow keys located on the front panel The selected item on the display is identified by the cursor cycling beneath its characters MX28B1200 24v STATUS ALARMS SYSTEM MODULES BATT PIN OEM Figure 6 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 reguired 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 4 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 M key is pressed by the cursor cycling beneath the characters of the selection For other parameters such as text and
30. hipped in separate containers 1 Remove the Converter from its shipping box 2 Slide the converter into its shelf until fully seated 3 Tighten the retaining screw mounted on the lower front on the converter 17 MX28B 1200427V PRODUCT MANUAL Rev 1 5 7 18 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 0P9133 is mounted in the space above the master control unit and provides terminal block connection points for alarm outputs and alarm inputs Figure 5 7 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 4SU RTN ADVANCE POHER EAA 0075 REV Figure 5 8 Alarm Interface PC Board Rev 1 MX28B 1200 27V PRODUCT MANUAL 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 Definition Table 5 2 shows the externa
31. ide two sets of 3 8 16 holes on 1 inch or 1 34 inch centers for connecting two hole battery cable lugs Refer to Figure 4 4 A battery disconnect breaker is reguired external to this eguipment 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 Figure 4 4 Battery Connections 4 8 24V DC Distribution A standard power distribution module can mount up to 38 plug in circuit breakers providing 24V power for customer loads Each breaker row is connected at its center to the 24V DC bus with each column having an ampacity of 300A Connections for the 24V DC loads are located directly above the corresponding breaker A typical load connection would utilize a 46 AWG wire with a two hole lug on 5 8 inch centers attached with standard 410 32 mounting screws The load return cables for each circuit breaker connect to a return bus directly above the top row of circuit breakers The return bus contains a pattern for 40 two hole 1110 32 lugs on 5 8 inch centers Figure 4 5 shows the power plant s DC distribution section MX28B 1200427V PRODUCT MANUAL Rev I 24V load supply Thirty eight 24V Breakers Load Return Bus Seven 48V Breakers For DC to DC converters Figure 4 5 DC Distribution 4 9 48 V DC Distribution from Converters Optional
32. inor High Temperature Alarm 1 BATT SET ALM An alarm that is generated if the battery temperature drops below the low temperature threshold Batt LT Alm Minor Low Temperature Alarm 1 BATT SET ALM RECTIFIER SETUP Fail Safe Voltage 1 MODULES RECT PARAM Rectifier default output voltage if communication with the control unit fails Rect Fail Safem 27 00 V The maximum rectifier communications response time allowed before a communications failure is declared Rectifier Information NOTE This information can be viewed for each rectifier installed by using the horizontal arrow keys Rect Fail Commm 1 min Communications Timeout 1 MODULES RECT PARAM 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 Current Limit Alarm Senay ery ae ALM A display of the DC 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 Rect 1 Curr 24 9 Rect 1 CL OFF Rect
33. ity MX28B 1200 27V PRODUCT MANUAL A power frame consists of three rectifier shelves each shelf accommodating up to four hot plug 100 amp rectifiers A completely configured power frame with 12 rectifiers is rated at 1200 amps The master control unit provides control and monitoring for the entire system The optional converter shelf supports up to eight hot plug 24 48V DC DC converters Each converter is rated at 10 Amps 4 3 Rectifiers APC Model MRF28H27BV with specifications as follows Input Voltage Input Current per Rectifier Apparent Power Factor Output Voltage Overvoltage Protection Output Current per Rectifier Power Output per Rectifier Efficiency Cooling Ambient Temperature 4 4 Converters 176 264V ac 230V ac nominal 45 66 Hz 13 9 Amps 230V ac 99 Typical 98 Minimum 27 2V DC Set at 31 5V DC 100A Minimum Continuous 2800W Continuous Vin gt 198V ac 89 Typical Fan cooled front to rear airflow 25 C to 55 C Operational APC Vector Series with specifications as follows Input Voltage Input Current per converter Output Voltage Output current per converter Power output per converter Efficiency Cooling Ambient temperature 20V DC to 30V DC lt 30 amps 50VDC 48V DC to 52V DC 10 amps 520 Watts gt 85 Fan cooled front to rear airflow 40 C to 55 C Operational MX28B 1200427V PRODUCT MANUAL Rev I 4 5 Control Unit The microprocessor based p
34. l 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 NO1 NC1 C1 H2 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 C 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 J1 and J2 are located on 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 19 MX28B 1200 27V PRODUCT MANUAL Rev I ALARM TERMINAL OUTPUT DESIGNATION USER ALARM NOTES NO NC C JI RELAY 1
35. larms Item 16 ALARMS Store Configuration SYSTEM DIAG Lamp Test 1 SYSTEM DIAG Rev 1 Conv LV Alm m Minor Converter voltage is below the low voltage threshold The control unit temperature is above the high temperature threshold Sys HT Alm m Minor The control unit temperature is below the low temperature threshold Sys LT Alm m Minor The rectifier configuration differs from its stored configuration Rect Cfg Alm mt Minor lofN Alm mt Minor Rectifier Fail 1 of N alarm one rectifier has at least one alarm condition 2ofN Alm mt Major Rectifier Fail 2 of N alarm two or more rectifiers have at least one alarm condition each The converter configuration differs from its stored configuration Cfg Alm mt Minor Converter Fail 1 of N alarm one rectifier has at least one alarm condition lofN Alm mt Minor 2ofN Alm mt Major Converter Fail 2 of N alarm two or more rectifiers have at least one alarm condition each This alarm indicates there is a hardware failure in the system voltage monitoring function Hw Sys V Alm mt Minor This alarm indicates there is a hardware failure in the converter voltage monitoring function Cnv V Alm mt Minor Batt C Alm mt Minor This alarm indicates there is a hardware failure in the battery current monitoring function Batt T Alm mt Minor This alarm indicates there is a hardware failure in the battery temperature monitorin
36. me alias can be assigned to the relay if SYSTEM OUT RLY ALIAS desired 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 of the alarm relay An alarm condition must exist for longer than the delay to be activated 0 sec Output Relay 6 Delay 1 Delay between sensing of the alarm condition and activation Out Rly 6 Dly mt SYSTEM OUT RLY RLY MAP of the alarm relay An alarm condition must exist for longer than the delay to be activated Output Relay Alarms 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 0 sec Output Relay 6 1 Output Relay 6 alarm can be mapped to activate other Out Rly 6 Alm mt SYSTEM OUT RLY RLY MAP output relays Ignore activates no additional relays Ignore LVD SETUP LVDI Trip 1 LVDI trip disconnect threshold voltage MODULES LVD PARAM LVDI Restore 1 LVDI restore reconnect threshold voltage LVD1 Reset MODULES LVD PARAM 24 00 V LVD2 Trip 1 LVD2 trip disconnect threshold voltage LVD2 Trip mt MODULES LVD PARAM 21 00 V LVD2 Restore 1 LVD2 restore reconnect threshold voltage LVD2 Reset m MODULES LVD PARAM 24 00 v 41
37. n Figure 5 8 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 me CAUTION VOLTAGE BUS BAR ALARM TERMINATION BOARD BREAKER TERMINATION POST CIRCUIT BREAKER Figure 5 8 Plug in Circuit Breaker Insertion 5 8 2 1 24V Circuit Breaker Load Connections Connections for the 24V DC loads are located directly above the corresponding breaker A 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 each circuit breaker section connect to the return bus directly above the top row of circuit breakers These return buses contain patterns for 40 two hole 10 32 lugs on 5 8 inch centers 5 8 2 2 48V Circuit Breaker Load Connections Connections for the 48V DC loads are made directly above the corresponding breaker A 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 each circuit breaker section connect to the return bus located above the upper circuit breakers 21 MX28B 1200427V PRODUCT MANUAL Rev I 5 9 Battery Temperature Probe Installation The optional temperature probe is used to monitor the battery string
38. ngs 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 gualified representatives 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 gualified APC service representative contact you as guickly as possible refer to section on customer service and support 1 2 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 800 800 4172 for clarification Also refer to all applicable federal state and local regulations and industry guidelines for correct installation of this power system 1 3 Inspection upon Receipt of Goods 1 3 1 General APC has taken precautions in packing the power eguipment for shipment to ensure its safe arrival however the entire shipment including any boxes or crates should be inspected upon rec
39. ol Unit Menu Structure MX28B120024V STATUS Sys Voltage Sys Current Conv Voltage Conv Current Sys Temp Batt Current Batt Temp ALARMS Alarm Item 1 Alarm Item 2 Alarm Item 3 Alarm Item 4 Alarm Item 5 Alarm Item 6 Alarm Item 7 Alarm Item 8 Alarm Item 9 Alarm Item 10 Alarm Item 11 Alarm Item 12 Alarm Item 13 Alarm Item 14 Alarm Item 15 Alarm Item 16 SYSTEM SET ALM Sys HV Thr Sys HV Alm Sys LV Thr Sys LV Alm Conv HV Thr Conv HV Alm Conv LV Thr Conv LV Alm Rect Cfg Alm Rect lofN Alm Rect 2ofN Alm Conv Cfg Alm Conv lofN Alm Conv 2ofN Alm Sys HT Thr Sys HT Alm Sys LT Thr Sys LT Alm Hw Sys V Alm Hw Cnv V Alm Hw Batt C Alm 28 Rev 1 MX28B 1200 27V PRODUCT MANUAL Figure 6 2 Control Unit Menu Structure Hw Batt T Alm Hw Sys T Alm Hw LVD1 Alm Hw LVD2 Alm SETUP PIN 1 PIN 2 Address 1 Address 2 Address 3 Model Fahrenheit Cntrl 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 Figure 6 2 Control Unit Menu Structure 29 MX28B 1200 27V PRODUCT MANUAL 30 ALIAS In Rly In Rly In Rly In Rly DIAG MODULES RECT
40. on 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 D 2 3 4 5 6 Use the right or left arrow keys to position the cycling cursor below SYSTEM Press the down arrow key once Use the right arrow key to position the cycling cursor below IN RLY Press the down arrow key once the cursor will be cycling below RLY MAP Press the down arrow key repeatedly if necessary until the desired parameter screen is displayed there are eight parameter screens in this category 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 27 MX28B 1200 27V PRODUCT MANUAL Rev I Figure 6 2 Contr
41. ower 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 Standard voltage and battery charging control Battery temperature compensation optional temperature probe Monitoring of up to 6 shelves of four rectifiers each and up to 8 DC to DC Converters Individual alarm monitoring of 72 breakers Individual alarm monitoring of 16 power distribution fuses Eight alarm annunciation relays Major Minor and six user defined with form C contact outputs Four external alarm inputs either N O or N C contacts Control for two independent Low Voltage Disconnects LVD s WEB SNMP Interface Card for remote monitoring 4 6 AC Input Power Each rectifier shelf reguires 208 220 240V ac single phase 50 60 Hz supplied through an external 80 amp breaker Three Vertical wire conduits in the left rear of the frame provide routing for AC input power connection of each shelf The Earth Ground wiring is factory installed to each rectifier shelf A power entry box with 3 pilot holes is provided at the top and rear of the frame where AC wiring conduit can be run Refer to Figure 4 3 AC wire conduits 3 Figure 4 3 Power Entry Box Rev 1 MX28B 1200 27V PRODUCT MANUAL 4 7 Battery connections Battery connections are made at the top rear of the unit The 24V and Battery Return buses each prov
42. power through individual external 80 amp circuit breakers to the AC input terminal block connections for each rectifier shelf the system Each rectifier shelf has four 20 amp breakers each serving one rectifier The AC Grounding wiring from the Earth terminal block to the individual shelves is factory installed for each shelf installed Connections to the AC input connector for each rectifier is factory installed ano AC Grounding wires Figure 5 2 AC Wiring conduit Figure 5 3 AC Wiring Terminal 14 Rev 1 MX28B 1200 27V PRODUCT MANUAL The AC input enclosure located at the top rear of the MX28B housing is provided with three pilot holes in the top for attaching external conduit Figure 5 4 and three 1 inch conduits exiting the bottom for AC wire AC wiring passing through the conduit will be routed through the access opening in the AC input enclosure into the wiring area where a safety ground bar and rectifier input terminal blocks are located The terminal blocks are labeled as L1 and L2 N for connection of the two AC wires Figure 5 3 Each terminal block represents connections for all 4 rectifiers in the shelf The suggested wire size for L1 and L2 is 4 AWG rated at 105 C however the ambient temperature and number of wires in a conduit must also be considered in accordance with NEC reguirements Be sure to follow any local electrical wiring codes Terminate the ground wire in the AC box at the top of the unit to
43. red with or the defect is determined to have been caused by misuse neglect improper installation environmental conditions non authorized repair alteration or accident 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 APC assumes no responsibility for any work accomplished or expenses incurred except with expressed written consent from APC APC shall not be liable to the user purchaser or any third party for indirect incidental or conseguential 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 Rev 1 MX28B 1200 27V PRO
44. s 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 Forinformation on wiring connections to these inputs refer to Section 5 7 1 6 4 Alarm Output Relays 26 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 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 SYSTEM OUT RLY ALIAS For information on making wiring connections to the alarm output relays refer to Section 5 7 2 Rev 1 MX28B 1200 27V PRODUCT MANUAL 6 5 Parameter Locations Descriptions and Default Values The locati
45. standby mode Fan Fail Alarm The status will be ON if the Converter fan has failed MODULES CONV INFO Converter Fault Alarm CFA The status will be on if the Converter output has failed MODULES CONV INFO Current Limit Alarm 1 This alarm indicates that a converter has been forced into the Conv CL Alm mt MODULES CONV SET ALM current limited mode n of N Standby Alarm 1 This alarm indicates that either the control unit is holding a Conv Stdby Almm MODULES CON SET ALM converter in the standby mode or an operator has set a converter to standby n of N Fan Fail Alarm 1 This alarm indicates that a converter fan has failed Conv FF Alm mt MODULES CON SET ALM n of N CFA Alarm 1 This alarm indicates that a converter output has failed Conv CFA Alm m MODULES CON SET ALM n of N CIRCUIT BREAKER SETUP Breaker Alias 1 An alternate name alias that can be assigned to a circuit Cir Bkr 1 MODULES CIRBKR ALIAS breaker if desired 24V MX28B 1200 27V PRODUCT MANUAL Rev I Breaker 72 Alias 1 An alternate name alias that can be assigned to a circuit Cir Bkr 72 MODULES CIRBKR ALIAS breaker if desired 24V Circuit Breaker Alarms Breaker 1 Tripped 1 An alarm that indicates Circuit Breaker 1 is tripped Cir Bkr 1 Alm m MODULES CIRBKR SET ALM Major Breaker 72 Tripped 1 An alarm that indicates Circuit Breaker 24 is tripped Cir Bkr 72 Almmt MODULES CIRBKR SET ALM E Major Fuse 1 Alias An
46. us and battery positive 424V buses each provide two sets of 3 8 16 holes on a double pattern one inch and 1 34 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 lbs Battery Positive A Battery Negative Figure 5 5 Battery Connections ES CAUTION ES 5 4 DC SYSTEM GROUNDING THE NEGATIVE 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 16 Rev I MX28B 1200 27V PRODUCT MANUAL 5 5 Rectifier Installation The rectifiers are shipped in separate containers Follow the procedure below to install a rectifier 1 Remove the rectifier from its shipping box 2 Slide the rectifier into the shelf between the guides until fully seated 3 Fasten the rectifier in place with the rectifier retaining screw included in the shipment Since all adjustments are made from the system control unit no rectifier adjustments are necessary NOTE All FLOAT BOOST EOUALISE 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 Converter Installation The converters are also s
47. www apc com E di DC POWER PLANT RP N A S i gt 5 ax SM EE A gt Preliminary release Part Number 990 9166 APC DC Network Solutions Inc 11035 Switzer Avenue Dallas TX 75238 800 800 4APC MX28B 1200 27V PRODUCT MANUAL Rev I Product Structure 1200 amp frame 2400 amp carry through MX28B1200 2400 27V Main Bay controller No rectifiers converters no 0M 91147 distribution MX28B1200 2400 27V Main Bay Available soon distribution eS a AA ATA ci AN las RM RANA UA 0M 6176 Converter Shelf Input power Provides power to and distribution from breakers distribution breakers converters 27V 100 Amps each IMRF28H27BV Converters 50V 10 Amps each AAC 0010 Battery Temperature Probe 15 ft 4 6m FFA 0013 1 Note DC to DC converters are available in the main frame only Rev I MX28B 1200 27V PRODUCT MANUAL REVISION HISTORY MX28B 1200 27V PRODUCT MANUAL Rev I 1 3 3 iv TABLE OF CONTENTS GENERAL INFORMATION near 1 A AR vete pe ei nA ES EC Boi Be E as 1 1 2 PRECAUTIONS rossosdsstadevssv vesnd a AA IVANA NARA SE Na ei A 1 1 3 INSPECTION UPON RECEIPT OF GOODS 1 3 1 Generali 1 3 2 Visible External Damage 1 3 3 Concealed Damage 1 34 Return of Damaged Goods CUSTOMER SERVICE AND SUPPORT 3 WARRANTY PROVISIONS 3 3 1 GENERAL PROVISIONS 44 7 NE EN SR Mete ii m Mi RoR 3 3 1 1 3 1 2 3 2 EXCLUSIONS AND
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