American Power Conversion MX28B400 manual

MX28B400 +24 Vdc Power System With Network Management User’s Manual[...]

MX28B400 +24 VDC User’s Manual Page ii Table of Contents 1 SAFETY FIRST! .................................................................................................................. ...1 1.1. W ARNING S YMBOLS .........................................................................................................1 1.2. G ENERAL P RECAUTION[...]

MX28B400 +24 VDC User’s Manual Page iii Rectifier alarms repor ting ..................................................................................................... .20 4.3. S YSTEM M ANAGEMENT ...................................................................................................21 System Output Capacit y .......................[...]

MX28B400 +24 VDC User’s Manual Page iv Revision History Revision Date By Description 990-1809 Rev 1 02 MAR, 2004 BET Preliminary Release Table of Figures FIGURE 2.1-1 MX28B-400 + 24 VDC POWER PLANT ............................................................................. 2 FIGURE 2.1-2 MX28B-400 +24 VDC SYSTEM WIRING DIAGRAM WITH BATTERY LVD [...]

MX28B400 +24 VDC User’s Manual Page 1 1 Safety First! It is very important to follow all safety procedures when unpacki ng, installing and operating any sort of power equipment. 1.1. Warning Symbols CAUTION : An indication that special care is required to prevent injury, equipment damage or misuse WARNING : An indication of an electrical hazard t[...]

MX28B400 +24 VDC User’s Manual Page 2 2 Introduction 2.1. General Information Power Plants from APC have unique features that make them easy to install, maintain, an d upgrade. The rectifier units are modular and tr uly “hot-pluggable” into the shelf assembly without any separate ac wiring. All system settings are made from the system control[...]

MX28B400 +24 VDC User’s Manual Page 3 Figure 2.1-2 MX28B-400 +24 Vdc System Wiring Diagram with Battery LVD[...]

MX28B400 +24 VDC User’s Manual Page 4 2.2. How to Use This Manual Each section of this manual can be read in any order and should provide a c omplete explanation of the subject described by the titl e. However, the sequenc e of the sections is designed to provide a typical step-by-step pr ocess for successful use of the equipment. Safety First! S[...]

MX28B400 +24 VDC User’s Manual Page 5 3 Installation 3.1. Unpacking Equipment Remove equipment from packing material and inspect for shipping damage or missing items. It is important to report damage or material shortages to the shipping carrier while a representative is on site. If concealed damage or material shortages are found at a later time[...]

MX28B400 +24 VDC User’s Manual Page 6 Ventilation The rectifier modules for this system have fans t hat provide front-to-rear airflow for internal cooling. The MX28B housing should mounted such that there is free airf low to the front, top, and bottom of the unit. [Refer to Section 6.5 for environmental characteristics.] Free airflow should be en[...]

MX28B400 +24 VDC User’s Manual Page 7 3.4. Battery Connections WARNING : Hazardous energy levels are present on bare conductors in the +24Vdc distribution connection area of the plant. Accidental shorting of distribution conductors can cause ar cing and high currents that can cause serious burns or other physical harm. It is recommended that: •[...]

MX28B400 +24 VDC User’s Manual Page 8 Battery Temperature Probe Installation The optional temperature probe is used to monitor the battery string temperature. To get the most representative temperatur e measurement, the probe should be placed in contact with a battery cell that is centrally loca ted. The probe should be placed directly in contact[...]

MX28B400 +24 VDC User’s Manual Page 9 3.5. DC SYSTEM GROUNDING The return bus for the power plant must be connected to the Central Office Ground. The left end of the return bus provides a pair of threaded 3/8-16 holes on 1-inch (25.4 m) centers for connection of a two-hole lugged cabl e to the Master Station Ground. Details for this connection sh[...]

MX28B400 +24 VDC User’s Manual Page 10 3.6. DC Power Output Over-Current Protection DC Circuit Breakers A standard 24-position plug-in circuit breaker tier provides +24 Vdc distribut ion. Various circuit breaker sizes from 1 to 100 amps are available, with 60-100 amp brea kers requiring two positions and a circuit breaker adapter kit. The breaker[...]

MX28B400 +24 VDC User’s Manual Page 11 BREAKER RATING PART NUMBER ADAPTOR SIZE 1 A FFA-0014 None 3 A FFA-0015 None 5 A FFA-0016 None 10 A FFA-0017 None 20 A FFA-0018 None 30 A FFA-0019 None 40 A FFA-0020 None 50 A FFA-0025 None 60 A FFA-0021-1 #10 studs on 5 / 8 ” centers 60 A FFA-0021-2 #10 studs on ¾” centers 60 A FFA-0021-3 ¼” studs on[...]

MX28B400 +24 VDC User’s Manual Page 12 Plug-in Circuit Breaker Installation CAUTION During circuit breaker installati on, carefully align the breaker alarm terminals with the alarm terminal board to avoid breaker terminal damage. 1) Remove the circuit breaker cover panel and the pl astic cover(s) from the desired location(s). 2) Install the circu[...]

MX28B400 +24 VDC User’s Manual Page 13 Circuit Breaker Connections (1 to 50 Amps) Connections for 1 to 50 amp dc loads require standard two-hole lugs wit h holes for #10 screws on 5/8” centers and are located directly above the corresponding circuit breaker. The load returns connect to the return bus located just above and rear ward of the brea[...]

MX28B400 +24 VDC User’s Manual Page 14 The load returns connect to the return bus lo cated just above and rearward of the breaker connection points as seen in Figure 2.1-1 . The return bus provides 24 sets of threaded #10-32 holes on 5/8” centers and four se ts of threaded ¼-20 holes on ¾” c enters for connection of two- hole lugs on load r[...]

MX28B400 +24 VDC User’s Manual Page 15 RJ45 Ethernet Connector The optional management card has an RJ-45 connector to support a TCP/IP protocol over a 10BaseT Ethernet Local Area Network (LAN). Relay Output Connections There are eight alarms available that provide outputs via Form “C” relay contacts. The last two of these are preassigned as t[...]

MX28B400 +24 VDC User’s Manual Page 16 RELAY 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 ________________________ ________________________ ________________________ _______________[...]

MX28B400 +24 VDC User’s Manual Page 17 3.9. Rectifier Module Installation WARNING : Rectifier output circuits w ould be damaged if battery were installed incorrectly. Before rectif ier installation, ensure proper battery polarity and that the battery is isol ated from the rest of the system The rectifier modules are shipped in separate cont ainer[...]

MX28B400 +24 VDC User’s Manual Page 18 4) Apply ac Power. Turn on the circuit breakers that supply ac power to the rectifiers in the MX28B power plant. The main screen should appear on the control unit display (see Figure 4.6-1). The display on the control unit is a 2-lines by 16-characters display. The cursor cycles below the characters of the a[...]

MX28B400 +24 VDC User’s Manual Page 19 3.12. 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. Turn on the external circuit breaker from the battery to the power plant. Turn on all the circuit breakers that sup[...]

MX28B400 +24 VDC User’s Manual Page 20 4 Operation 4.1. Technical Description The MX28B-400 Power System is designed to s upply safe +24 Vdc primary power through the use of up to four rectifier modul es. In conjunction with an extern al battery string, it will supply backup power as well. The Power System Contro l Unit (PSCU) will monitor all MX[...]

MX28B400 +24 VDC User’s Manual Page 21 4.3. System Management System Output Capacity The MX28B-400 supplies a maximum of 400 am ps or 300 amps with N+1 redundancy. The housing for this configuration provides space for two rectifier shelves that can hold up to four rectifiers each, a control unit, and one tier of up to 24 distribution circuit brea[...]

MX28B400 +24 VDC User’s Manual Page 22 4.4. DC Distribution Distribution is included for up to 24 plug-in circui t breakers. These circuit breakers can be 1 to 100 amps, with 60-100 amp breakers requiring two positions and a circuit breaker adapter kit. When a circuit breaker trips, a normally open swit ch closes and a CB alarm is reported by the[...]

MX28B400 +24 VDC User’s Manual Page 23 Battery/Load Low Voltage Disconnect In order to prevent damage to the battery due to deep discharge, the power system has hardware and software support for a battery or load Low Voltage Disconnect (LVD). A battery LVD has the loads permanently attached to the re ctifiers and the battery is disconnected from [...]

MX28B400 +24 VDC User’s Manual Page 24 If the user plans to make any changes to system parameters, the first item that should be verified or entered is the appropriate password for the security level required for the parameters to be modified. Security level 2 (enter 2222 on the “PIN” screen) enables modification of all variable system parame[...]

MX28B400 +24 VDC User’s Manual Page 25 Parameter Locations, Descriptions, and Default Values PARAMETER NAME/ [MENU LOCATION] DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS Address 1 Security Level {1} [SYSTEM/SETUP] Power plant address or id entification - first line. Address 1 m+ APC DCNS, Inc. Address 2 Security Level {1} [SYSTEM/SETUP] Power p[...]

MX28B400 +24 VDC User’s Manual Page 26 Parameter Locations, Descriptions, and Default Values PARAMETER NAME/ [MENU LOCATION] DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS Battery Low Temperature Alarm Security Level {1} [BATT/SET-ALM] The output relay energized if the Battery Temperature drops bel ow the battery Low Temperature thre shold. Batt [...]

MX28B400 +24 VDC User’s Manual Page 27 Parameter Locations, Descriptions, and Default Values PARAMETER NAME/ [MENU LOCATION] DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS Compensation Low Knee Security Level {1} [BATT/COMP] The temperature compensation low knee is the point below which there is n o additional battery voltage compensation for fur[...]

MX28B400 +24 VDC User’s Manual Page 28 Parameter Locations, Descriptions, and Default Values PARAMETER NAME/ [MENU LOCATION] DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS Fuse 1 Alias Security Level {1} [MODULES/GMT/ALIAS] Not used in this power system Fuse 1 Alias m+ +27V Fuse 1-8 Alm Security Level {1} [MODULES/GMT/SET-ALM] Not used in this po[...]

MX28B400 +24 VDC User’s Manual Page 29 Parameter Locations, Descriptions, and Default Values PARAMETER NAME/ [MENU LOCATION] DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS Lamp Test Security Level {1} [SYSTEM/DIAG] Setting Lamp Test to “ON” will turn on the “MAJOR”, “MINOR”, “NORMAL”, “MAJ”, and “MIN” LEDs on the control u[...]

MX28B400 +24 VDC User’s Manual Page 30 Parameter Locations, Descriptions, and Default Values PARAMETER NAME/ [MENU LOCATION] DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS Output Relay 1 Alias Security Level {1} [SYSTEM/OUT-RLY/ALIAS] • • • Output Relay 6 Alias {1} [SYSTEM/OUT-RLY/ALIAS] An alternate name (alias) can be assigned to Output R[...]

MX28B400 +24 VDC User’s Manual Page 31 Parameter Locations, Descriptions, and Default Values PARAMETER NAME/ [MENU LOCATION] DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS Rectifier Current Limit Alarm Security Level {1} [MODULES/RECT/SET-ALM] The output relay that is energized or special rectifier alarm group n of N that occurs when a rectifier [...]

MX28B400 +24 VDC User’s Manual Page 32 Parameter Locations, Descriptions, and Default Values PARAMETER NAME/ [MENU LOCATION] DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS Rectifier Standby Alarm Security Level {1} [MODULES/RECT/SET-ALM] The output relay that is energized or special rectifier alarm group n of N that occurs when the control unit i[...]

MX28B400 +24 VDC User’s Manual Page 33 Parameter Locations, Descriptions, and Default Values PARAMETER NAME/ [MENU LOCATION] DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS System Temperature {Status Only} [STATUS] System temperature measured within th e control unit. Sys Temp + 26.7 C System Voltage {Status Only} [STATUS] System output voltage me[...]

MX28B400 +24 VDC User’s Manual Page 34 Control Unit Menu Structure The complete menu structure shown in the or der in which it is accessed from the contro l unit display is presented in outline form belo w. Each indent ation to the right represents a m enu level below the indicated title. Top Level S e c o n d L e v e l T h i r d L evel Fourth Le[...]

MX28B400 +24 VDC User’s Manual Page 35 Top Level S e c o n d L e v e l T h i r d L evel Fourth Level • • Conv Cfg Alm • • Conv 1ofN 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 • • Hw Batt T Alm • • Hw Sys T Alm[...]

MX28B400 +24 VDC User’s Manual Page 36 Top Level S e c o n d L e v e l T h i r d L evel Fourth Level • • • 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 • • SYS:OUT: + AP ALIAS Out-Rly 1 • • • Out-Rly 2 • ?[...]

MX28B400 +24 VDC User’s Manual Page 37 Top Level S e c o n d L e v e l T h i r d L evel Fourth Level • • Test Relay 5 • • Test Relay 6 • • Test Min Rly • • Test Maj Rly MX28B400 +24V + EM MODULES BATT MOD: + RECT CONV CIR MOD:REC: + SET-ALM PARAM I Rect CL Alm • • • Rect Stdby Alm • • • Rect FF Alm • • • Rect RFA[...]

MX28B400 +24 VDC User’s Manual Page 38 Top Level S e c o n d L e v e l T h i r d L evel Fourth Level • MOD: + NV CIR-BKR FUSE MOD:CIR: + SET-ALM ALIAS Cir Bkr 1 Alm • • • Cir Bkr 2 Alm • • • Cir Bkr 3 Alm • • • • • • • • • • • • • • • Cir Bkr 22 Alm • • • Cir Bkr 23 Alm • • • Cir Bkr 24 Alm [...]

MX28B400 +24 VDC User’s Manual Page 39 Top Level S e c o n d L e v e l T h i r d L evel Fourth Level • • • • • • • • • • • • • • • FUSE 14 • • • FUSE 15 • • • FUSE 16 • MOD: + MT LVD MOD:LVD: + SET-ALM PARAM LVD 1 Option • • • LVD 1 Open Alm • • • LVD 2 Option • • • LVD 2 Open Alm • [...]

MX28B400 +24 VDC User’s Manual Page 40 Top Level S e c o n d L e v e l T h i r d L evel Fourth Level MX28B400 +24V + TT PIN OEM PIN MX28B400 +24V + IN OEM OEM R Offset • OEM R Gain • OEM C Offset • OEM C Gain • OEM S Offset • OEM S Gain Front Panel LED Indicators Major (Red) On when Major Relay is de-energized* Minor (Yellow) On when Mi[...]

MX28B400 +24 VDC User’s Manual Page 41 4.7. Alarm Outputs (Output Relays) There are eight alarm output relays designated Relay 1 through Relay 6, Minor, and Major, respectively. Various system parameters may be programmed to activate any of these alarm relays when set thresholds are exceeded or specif ic conditions occur. The first six relays can[...]

MX28B400 +24 VDC User’s Manual Page 42 5 Remote Monitoring 5.1. Description Remote monitoring and control of the dc powe r system is accomplished through the use of the optional APC Network Management ca rd. This card is a separat e module mounted into the top panel of the system controller module. Complete documentation for the use of the m anag[...]

MX28B400 +24 VDC User’s Manual Page 43 6 Specifications The overall system specifications can vary, depending upon the number of rectifier modules. Note that some specification items are provided on a “per rectif ier” basis and must be combined or totaled for a give system configuration. 6.1. AC Input 1MRF28H27BV Rectifiers Nominal Input Volt[...]

MX28B400 +24 VDC User’s Manual Page 44 6.2. DC Output (with either Rectifier) Nominal Output Voltage (f actory set) 27.2 Vdc Operating Voltage Range 22 – 29 Vdc Rated Output Current (per Rectifier) 100 A Rated Output Power (per Rectifier) 2800 W (45ºC) Efficiency 91% Typical 6.3. Controls and Indicators Rectifiers Input Healthy LED AC power pr[...]

MX28B400 +24 VDC User’s Manual Page 45 +I Test Point Rectifier Cu rrent can be measured with a voltmeter between COM and +I. Current is 10A/V multiplied by test point voltage. Float / Boost/Equalize Switch Used to Control voltage on systems without a PSCU Float Trim Pot The float pot is used to adjust the default float voltage (27.2 Vdc). Boost/E[...]

MX28B400 +24 VDC User’s Manual Page 46 6.4. Mechanical Dimensions 15.75” high x 23” wide x 17.5” deep Housing 85 lb Weight Rectifier (each) 11 lb Color Dawn Gray Mounting Front or mid-mount ing on standard 23-inch rails 6.5. Environmental (Operating) -45ºC to +55ºC (+65ºC with reduced power output) Ambient Temperature (Storage) -45ºC to[...]

MX28B400 +24 VDC User’s Manual Page 47 7 APC W orldwide Customer Support Customer Support for this or any other APC product is available at no charge. You can contact APC Customer Support in any of the following ways: • Use an APC web page to find answers to fr equently asked questions (FAQs), to access documents in the APC Knowledge Base, and [...]

MX28B400 +24 VDC User’s Manual Page 48 8 Limited Pr oduct W arranty The limited w arranty provided b y American Powe r Conversion Corporation ( "APC") in this Statement of Li mited Factor y Warranty applies only to Produc ts Buyer purchases for your c ommercial or industrial use in the ordinar y course of Buyer's business. APC PROD[...]