American Power Conversion MX28B-400 manual

APC DC Networks 11035 Switzer Avenue Dallas, TX 75238 (800) 800-4APC Revision 1 April, 2002 Part Number 990-9218 DC POWER PLANT PRODUCT MANUAL MODEL MX28B-400 +24VDC 400Amp[...]

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MX28B-400 +24V Product Manual 990-9218 iii REVISION HISTORY Revision Date By Description 1 04/19/02 RET I nitial release .[...]

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MX28B-400 +24V Product Manual 990-9218 v TABLE OF CONTENTS 1. GENERAL INFORMATIO N ............................................................................................... 1 1.1 I NTRODUCTION ............................................................................................................................................. 1 1.2 P R[...]

MX28B-400 +24V Product Manual vi 990-9218 5.4 DC SYSTEM GROUNDING ................................................................................................................ 17 5.5 R ECTIFIER I NSTALLAT ION ........................................................................................................................ 17 5.6 A LARM C O[...]

MX28B-400 +24V Product Manual 990-9218 1 1. GENERAL INFORMATION 1.1 Introduction DC Power Plants from APC DC Network Solutions I nc. have unique features that make them easy to install, maintain, and upgrade. The rectifier units are modular and truly “ hot-plugg able” into the shelf assembly without any separate ac wiring. All sy stem setting s[...]

MX28B-400 +24V Product Manual 2 990-9218 If damage has occurred or the quantity of items is not correct, then: 1) Make a descriptive notation on the deliv ery receipt before s igning . 2) File a damag e or shortage report with the carrier that deliv ered the shipment. 1.3.3 Concealed Damage It is the customer’s responsibility to unpack the power [...]

MX28B-400 +24V Product Manual 990-9218 3 2. CUSTOMER SERVICE AND SUPPORT APC DC Network Solutions Inc. manuf actures a line of power plants and provides customers with complete product and systems support and serv ice. APC DC Network Solutions Inc. has an international network of f actory trained serv ice technicians. The service org anization is o[...]

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MX28B-400 +24V Product Manual 990-9218 5 3. WARRANTY PROVISIONS 3.1 General Provisions APC DC Network Solutions Inc. warrants the power equipment and components it manufactures or sells against def ective materials and workmanship fo r a period of TW O (2) YEARS from the date of shipment. 3.1.1 Warranty Returns If initial phy sical inspection resul[...]

MX28B-400 +24V Product Manual 6 990-9218 4. APC DC Netw ork Solutions I nc. assumes no respons ibility for any work accomplished or expenses incurred except with express ed written consent f rom APC DC Netw ork Solutions Inc.. 5. APC DC Network Solutions Inc. shall not be liable to the user (purchaser) or any third party for indirect, incidental, o[...]

MX28B-400 +24V Product Manual 990-9218 7 4. PRODUCT OVERVIEW AND TECHNICAL DESCRIPTION 4.1 Description The APC DC Network Solutions Inc. Model MX28B is a modular stand-alone 24V dc power plant. It is config urable in such a manner that it will support most ty pical applications within the current range of 400 amps without special application engine[...]

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MX28B-400 +24V Product Manual 990-9218 9 9 Figure 4.1-2. MX28B BLOCK DIAG RAM[...]

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MX28B-400 +24V Product Manual 990-9218 11 4.2 Power Output Capacity The power supplies a maximum of 400 amps or 300 amps with N+1 redundancy . The housing for this conf iguration prov ides space f or one rectifier s helf that can hold up to f our rectifiers, a control unit, and one tier of up to 24 distribution circuit breakers. 4.3 Rectifiers The [...]

MX28B-400 +24V Product Manual 12 990-9218 4.6 Battery connections Top entry battery connections are made at the top rear of the unit (see F igure 4.6-1). The voltag e and return buses each provide tw o sets of threaded 3/8”-16 holes on one-inch centers for connecting two-hole battery cable lug s. A battery disconnect breaker is required external [...]

MX28B-400 +24V Product Manual 990-9218 13 Figure 4.7-1. DC Distribution (Front Cover Rem oved) 4.8 Mounting Both front mounting on standard 2-inch rails and optional wall mounting are av ailable. 4.9 Environmental • = Ambient Temperature: -40°C to +65° C operating -40°C to +85° C storage • = Humidity : 0% to 85% RH non-condensing operating [...]

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MX28B-400 +24V Product Manual 990-9218 15 5. INSTALLATION PROCEDURES 5.1 Preparation 5.1.1 Recommended Tools • = Standard selection of insulated hand tools. • = Proper tools f or crimping the s elected cable lugs. 5.1.2 Recommended Test Equipm ent • = Digital M ultimeter 5.1.3 Equipment Inspection Remove equipment fr om packing material and i[...]

MX28B-400 +24V Product Manual 16 990-9218 Prior to installation, drawings, f loor loading requirements, external alarm points, ac serv ice entrance, and grounding schemes should all be checked and confirmed. I f batteries are to be mounted in a room separate from the power plant, caref ul attention should be paid to battery cable voltag e drop eff [...]

MX28B-400 +24V Product Manual 990-9218 17 5.3 Battery Connections 5.3.1 Battery Disconnect An external circuit breaker (not supplied) is required in the negativ e 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. 5.3.2 Cable Sizing [...]

MX28B-400 +24V Product Manual 18 990-9218 5.6 Alarm Connections The alarm connections for all rectif iers, breakers, and f uses are f actory pre-wired. The MX28B dc power plant, howev er, permits the user to program the s y stem alarms in various w ays . 5.6.1 Exter nal Alarm Inputs Four external alarm inputs with assig nable priority levels are av[...]

MX28B-400 +24V Product Manual 990-9218 19 ALARM OUTPUT TERMINAL DESIGNATION NO-NC-C USER ALARM NOTES RELAY #1 RELAY #2 RELAY #3 RELAY #4 RELAY #5 RELAY #6 MINOR MAJOR J1 NO1-NC1-C1 NO2-NC2-C2 NO3-NC3-C3 NO4-NC4-C4 J2 NO5-NC5-C5 NO6-NC6-C6 NO7-NC7-C7 NO8-NC8-C8 ________________________ ________________________ ________________________ ______________[...]

MX28B-400 +24V Product Manual 20 990-9218 A list of GMT ty pe fuses av ailable from APC DC Network Solutions I nc. is provided in Table 5.7-2. FUSE RATI NG PART NUMBER 1/4 A FF A-0030 1/2 A FF A-0031 3/4 A FF A-0032 1 A FF A-0033 1¼ A FFA-0039 1½ A FFA-0035 3 A FF A-0036 5 A FF A-0037 10 A FF A-0038 Table 5.7-2. GMT Fuses 5.7.2 Installation of Ci[...]

MX28B-400 +24V Product Manual 990-9218 21 Figure 5.7-1. Installation of Circuit Breakers 5.7.2.2 GMT Fuses Fus eholders that accommodate GMT f uses are located on the interf ace card mounted in the top left side of the unit. These f useholders are only connected to +24V dc if the sy stem has been purchased with the GMT fuse option. This option supp[...]

MX28B-400 +24V Product Manual 22 990-9218 5.8 Battery Temperature Probe Installation The optional temperature probe is used to monitor the battery string temperature. To g et the most representativ e temperature measurement, the probe should be placed in contact with a battery cell that is centrally located. The probe should be placed directly in c[...]

MX28B-400 +24V Product Manual 990-9218 23 1) Battery Float Voltage - default = -27.00V dc (Check the manufacturer’s recommendation for the batteries being used in the sy stem.) 2) Battery Maximum R echarge Rate - default = 100A. (Bellcore specif ications recommend a maximum charging rate of capacity (in Ampere-hours) divided by 20 hours; check th[...]

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MX28B-400 +24V Product Manual 990-9218 25 6. SETUP, ADJUSTMENTS, AND OPERATION 6.1 User Interface The MX28B control unit prov ides a user interf ace designed with a hierarchical menu that can be viewed on the 32-character display by “nav igating ” with the “ ” (left), “ ” (right), “ ” (up), and “ ” (down) arrow keys located on t[...]

MX28B-400 +24V Product Manual 26 990-9218 [SYSTEM/IN-RLY/ALIAS] . For inf ormation on wiring connections to these inputs ref er to Section 5.6.1. 6.3 Alarm Output Relays There are eight alarm output relay s desig nated Relay 1 through Relay 6, Minor, and Major, respectively . Various sy stem parameters may be programmed to activ ate any of these al[...]

MX28B-400 +24V Product Manual 990-9218 27 Table 6.4-1. Parameter Locations, Descriptions, and Default Values PARAMETER DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS SYSTEM SETUP Password Entry P I N E n t r y [PIN] Screen f or entr y of the ac tive pa s sword ( PIN) . PIN m+ 0000 Pass wor d Setup Leve l 1 PIN {2} [SYSTEM/SETUP] Password (PIN) th a[...]

MX28B-400 +24V Product Manual 28 990-9218 ( Table 6.4-1. Parameter Locations, Descriptions, and Default Values) PARAMETER DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS D i s p l a y T y p e [SYSTEM/SETUP] Type number for the cont rol uni t disp lay. Display Type + 000255 Date/Time S etup Date {1} [SYSTEM/DATE] Inte rnal sy stem calen dar date. Dat[...]

MX28B-400 +24V Product Manual 990-9218 29 ( Table 6.4-1. Parameter Locations, Descriptions, and Default Values) PARAMETER DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS System Low Temperat ure {1} [SYSTEM/SET-ALM] The contro l unit te mpe rature is be low th e low tem perature thres hold. Sys LT Alm m+ Minor Recti fier Conf igura tion {1 } [SYSTEM/[...]

MX28B-400 +24V Product Manual 30 990-9218 ( Table 6.4-1. Parameter Locations, Descriptions, and Default Values) PARAMETER DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS • • • • • • • • • Test Relay 6 {1} [SYSTEM/DIAG] Settin g this param ete r to “ON” e nerg izes Re lay 6 an d turn s on the “ ALM6” LED on the cont r ol uni[...]

MX28B-400 +24V Product Manual 990-9218 31 ( Table 6.4-1. Parameter Locations, Descriptions, and Default Values) PARAMETER DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS High Volta ge Alarm {1} [BATT/SET-ALM] An alarm that is g ene rated if th e m agnitu de o f the batte ry voltage r ises a bove the high volt age thr eshold. Batt HV Alm m+ Minor Low[...]

MX28B-400 +24V Product Manual 32 990-9218 ( Table 6.4-1. Parameter Locations, Descriptions, and Default Values) PARAMETER DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS RFA Alarm {1} [MODULES/RECT/SET-ALM] This alarm ind icates that a re ctifier ou tput h as failed. Rect RFA Alm m+ no fN CIRCUIT B R EAKER SETUP Breaker 1 A lias {1} [MODULES/CIRBKR/[...]

MX28B-400 +24V Product Manual 990-9218 33 ( Table 6.4-1. Parameter Locations, Descriptions, and Default Values) PARAMETER DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS INPUT RELAY SETUP Inpu t Relay 1 Alias {1} [SYSTEM/IN-RLY/ALIAS] An alte rnate n ame (alias) can be assig ned to the relay if desir ed. In-Rly 1 m+ Input Relay 1 • • • • •[...]

MX28B-400 +24V Product Manual 34 990-9218 ( Table 6.4-1. Parameter Locations, Descriptions, and Default Values) PARAMETER DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS Outp ut Relay A larms Outpu t Relay 1 {1} [SYSTEM/OUT-RLY/RLY-MAP] Outpu t Relay 1 alarm can be “mapped ” to activ ate oth er output rela ys (“ Ignore” a cti vates no a dd i[...]

MX28B-400 +24V Product Manual 990-9218 35 Figure 6.4-1. Control Unit Menu Structure MX28B + STATUS Sys Voltage Sys 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 A[...]

MX28B-400 +24V Product Manual 36 990-9218 (Figure 6.4-1. Control Unit Menu Structure) 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 [...]

MX28B-400 +24V Product Manual 990-9218 37 (Figure 6.4-1. Control Unit Menu Structure) Test Relay 1 Test Relay 2 Test Relay 3 Test Relay 4 Test Relay 5 Test Relay 6 Test Min Rly Test Maj Rly MODULES RECT SET-ALM Rect CL Alm Rect Stdby Alm Rect FF Alm Rect RFA Alm PARAM Rect Fail Safe Rect Fail Comm INFO Rect # Desc Rect # Curr Rect # CL Rect # Stdby[...]

MX28B-400 +24V Product Manual 38 990-9218 (Figure 6.4-1. Control Unit Menu Structure) FUSE SET-ALM FUSE 1 Alm FUSE 2 Alm • • • • • • • • • • • • FUSE 15 Alm FUSE 16 Alm ALIAS FUSE 1 FUSE 2 • • • • • • • • • • • • FUSE 15 FUSE 16 LVD SET-ALM LVD1 Option LVD1 Open Alm LVD2 Option LVD2 Open Alm PARAM LVD[...]

MX28B-400 +24V Product Manual 990-9218 39 (Figure 6.4-1. Control Unit Menu Structure) COMP Comp Method Comp TC Comp HKnee Comp LKnee PIN PIN OEM OEM R Offset OEM R Gain OEM S Offset OEM S Gain[...]

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