Gebruiksaanwijzing /service van het product MX28B2400+27V van de fabrikant American Power Conversion
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APC DC Network Solutions Inc. 11035 Switzer Avenue Dallas, TX 75238 Part Number 990 - 9166 800 - 800 - 4APC Preliminary release DC POWER PLANT PRODUCT MANUAL MODEL MX28B1200 /2400+27V.
MX28B - 1200+27V PRODUCT MANUAL Rev 1 ii Product Structure Component Description Part Number MX28B1200/2400+27V Main Bay 1200 amp frame, 2400 amp carry through, controller. No rectifiers, converters, no distribution 0M - 91147 MX28B1200/2400+27V Main Bay 1200 Amp expansion frame, No rectifiers, distribution.
Rev 1 MX28B - 1200+27V PRODUCT MANUAL iii REVISION HISTORY Revision Date By Description 1 09/12/2001 JNF Initial release..
MX28B - 1200+27V PRODUCT MANUAL Rev 1 iv TABLE OF CONTENTS 1 GENERAL INFORMATION ........................................................................................................... 1 1.1 I NTRODUCTION ..........................................
Rev 1 MX28B - 1200+27V PRODUCT MANUAL v 5.8 C ONNECTING T HE L OADS ............................................................................................................................................. 20 5.8.1 DC Circuit Breakers. ...........
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Rev 1 MX28B - 1200+27V PRODUCT MANUAL 1 1 GENERAL INFORMATION 1.1 Introduction DC Power Plants from A PC 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.
MX28B - 1200+27V PRODUCT MANUAL Rev 1 2 1.3.3 Concealed Damage It is the customer’s responsibility to unpack the power system and equipment re ceived from APC and check for concealed damage.
Rev 1 MX28B - 1200+27V PRODUCT MANUAL 3 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 servi ce technicians.
MX28B - 1200+27V PRODU CT MANUAL Rev 1 4 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.
Rev 1 MX28B - 1200+27V PRODUCT MANUAL 5 4 PRODUCT OVERVIEW AND TECHNI CAL DESCRIPTION 4.1 Description The APC Models MX28B1200+27V represents a family of stand - alone +24V DC power plants.
MX28B - 1200+27V PRODUCT MANUAL Rev 1 6 -48V LOADS +24V LOADS BATTERY DISCONNECT LVD (OPTIONAL) BATTERY SHUNT USER INFRASTRUCTURE UTILITY AC BATTERY PLANT +24V RECTIFIERS -48V DC/DC CONVERTERS -48V BU.
Rev 1 MX28B - 1200+27V PRODUCT MANUAL 7 4.2 Power Output Capacity A power frame consists of t hree 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.
MX28B - 1200+27V PRODUCT MANUAL Rev 1 8 4.5 Control Unit The microprocessor - based power system control unit is 1U high (1.75”) and provides control and monitoring functions.
Rev 1 MX28B - 1200+27V PRODUCT MANUAL 9 Figure 4.4 Battery Connections 4.7 Battery connections Battery connections are made at the top rear of the unit. The +24V and Battery Return buses each provide two sets of 3/8” - 16 holes on 1 inch or 1 ¾ inch centers for connecting two - hole battery cable lugs.
MX28B - 1200+27V PRODUCT MANUAL Rev 1 10 Figure 4.5 DC Di stribution. Figure 4.6 DC - to - DC Converters. 4.9 – 48 V DC Distribution from Converters (Optional) Up to eight 24V/ - 48V dc converters can be used to supply power for – 48V loads in increments of 10 Amps each.
Rev 1 MX28B - 1200+27V PRODUCT MANUAL 11 4.10 Environmental • Ambient Temperature: - 4°F to 149°F ( - 20°C to +65°C) operating - 40°F to 185°F ( - 40°C to +8 5°C) storage • Humidity: 0% to.
MX28B - 1200+27V PRODUCT MANUAL Rev 1 12 5 INSTALLATION PROCEDURES 5.1 Preparation 5.1.1 Recommended Tools • Standard selection of insulated hand tools. • Proper tools for crimping the selected cable lugs. 5.1.2 Recommended Test Equipment • Digital Multimeter 5.
Rev 1 MX28B - 1200+27V PRODUCT MANUAL 13 5.1.5 Room/Locations NOTE: The APC Model MX28B1200/2400+27V DC power plan t is to be installed in a room, vault, or similar enclosure that is accessible only to qualified persons in accordance with the NEC or the authority having jurisdiction.
MX28B - 1200+27V PRODUCT MANUAL Rev 1 14 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.
Rev 1 MX28B - 1200+27V PRODUCT MANUAL 15 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 th ree 1 - inch conduits exiting the bottom for AC wire.
MX28B - 1200+27V PRODUCT MANUAL Rev 1 16 5.3.2 Cable Sizing Considerations The battery cable(s) should be sized sufficiently large to limit the voltage drop from the MX28B DC power plant to the battery during charging per system design requirements. The cable (s) must also carry the full load current during battery operation.
Rev 1 MX28B - 1200+27V PRODUCT MANUAL 17 5.5 Rectifier Installation The rectifiers are shipped in separate containers. Follow the procedure below to ins tall a rectifier. 1) Remove the rectifier from its shipping box. 2) Slide the rectifier into the shelf between the guides until fully seated.
MX28B - 1200+27V PRODUCT MANUAL Rev 1 18 5.7 Alarm Connections The alarm connections for all rectifiers, breakers, and fuses are factory pre - wired. The MX28B DC power plant, however, permits the user to program the system alarms in various ways.
Rev 1 MX28B - 1200+27V PRODUCT MANUAL 19 5.7.1 External Alarm Inputs Four external alarm inputs with assignable priority levels are availa ble. 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).
MX28B - 1200+27V PRODUCT MANUAL Rev 1 20 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 - .
Rev 1 MX28B - 1200+27V PRODUCT MANUAL 21 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 breake r locations.
MX28B - 1200+27V PRODUCT MANUAL Rev 1 22 5.9 Battery Temperature Probe Installation The optional temperature probe is used to monitor the battery string temperature. To get the most representative temperature measurement, the probe should be placed in contact with a battery cell that is centrally located.
Rev 1 MX28B - 1200+27V PRODUCT MANUAL 23 5.10.1 Apply AC Power Turn on the circuit b reakers that supply 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).
MX28B - 1200+27V PRODUCT MANUAL Rev 1 24 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 th e MX28B DC power plant. 2) Turn on the external circuit breaker from the battery to the power plant.
Rev 1 MX28B - 1200+27V PRODUCT MANUAL 25 6 SETUP, ADJUSTMENTS, AND OPERATION 6.1 User Interface The MX28B control unit provides a user interface designed with a hierarchical menu that can be viewed on.
MX28B - 1200+27V PRODUCT MANUAL Rev 1 26 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.
Rev 1 MX28B - 1200+27V PRODUCT MANUAL 27 6.5 Parameter Locations, Descriptions, and Default Values The location, description, and factory programmed default value for each of the MX28B system parameters is found in Table 6 - 1 . The table also shows all of the status and information screens with typical displays.
MX28B - 1200+27V PRODUCT MANUAL Rev 1 28 Figure 6 - 2 . Control Unit Menu Structure MX28B120024V + STATUS Sys Voltage Sys Current Conv Voltage Conv Current Sys Temp Batt Current Batt Temp ALARMS Alarm.
Rev 1 MX28B - 1200+27V PRODUCT MANUAL 29 (Fi gure 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 Fahrenhei.
MX28B - 1200+27V PRODUCT MANUAL Rev 1 30 ALIAS In-Rly 1 In-Rly 2 In-Rly 3 In-Rly 4 DIAG Store Cfg Lamp Test Test Relay En Test Relay 1 Test Relay 2 Test Relay 3 Test Relay 4 Test Relay 5 Test Relay 6 .
Rev 1 MX28B - 1200+27V PRODUCT MANUAL 31 (Figure 6 - 2. Control Unit Menu Structure) CIRBKR SET-ALM Cir Bkr 1 Alm Cir Bkr 2 Alm Cir Bkr 3 Alm Cir Bkr 4 Alm Cir Bkr 5 Alm Cir Bkr 6 Alm • • • Cir .
MX28B - 1200+27V PRODUCT MANUAL Rev 1 32 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 Option LVD1 Open .
Rev 1 MX28B - 1200+27V PRODUCT MANUAL 33 PIN PIN OEM OEM R Offset OEM R Gain OEM C Offset OEM C Gain OEM S Offset OEM S Gain.
MX28B - 1200+27V PRODUCT MANUAL Rev 1 34 Table 6 - 1 . Parameter Locations, Descriptions, and Defa ult Values PARAMETER DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS SYSTEM SETUP Password Entry PIN Entry [PIN] Screen for entry of the active password (PIN).
Rev 1 MX28B - 1200+27V PRODUCT MANUAL 35 PARAMETER DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS Display Type [SYSTEM/SETUP] Type number for the control unit display. Display Type + 000255 D ate/Time Setup Date {1} [SYSTEM/DATE] Internal system calendar date.
MX28B - 1200+27V PRODUCT MANUAL Rev 1 36 Converter Low Voltage {1} [SYSTEM/SET-ALM] Converter voltage is below the low - voltage threshold. Conv LV Alm m+ Minor Sys tem High Temperature {1} [SYSTEM/SET-ALM] The control unit temperature is above the high temperature threshold.
Rev 1 MX28B - 1200+27V PRODUCT MANUAL 37 Test Relay Enable {1} [SYSTEM/DIAG] This para meter 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.
MX28B - 1200+27V PRODUCT MANUAL Rev 1 38 (Table 6 - 1. Parameter Locations, Descriptions, and Default Values) PARAMETER DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS Battery Alarms Discharge Alarm {1} [BATT/SET-ALM] An alarm that is ge nerated if the battery discharge current exceeds the programmed battery discharge threshold.
Rev 1 MX28B - 1200+27V PRODUCT MANUAL 39 (Table 6 - 1. Parameter Locations, Descriptions, and Default Values) PARAMETER DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS Standby Alarm {1} [MODULES/RECT/SET-ALM] This alarm indicates that the control unit is holding a rectifier in the standby mode.
MX28B - 1200+27V PRODUCT MANUAL Rev 1 40 • • • Breaker 72 Alias {1} [MODULES/CIRBKR/ALIAS] An alternate name (alias) that can be assigned to a circuit breaker if desired. Cir Bkr 72 m+ +24V Circuit Breake r Alarms Breaker 1 Tripped {1} [MODULES/CIRBKR/SET-ALM] An alarm that indicates Circuit Breaker 1 is tripped.
Rev 1 MX28B - 1200+27V PRODUCT MANUAL 41 Input Relay 4 {1} [SYSTEM/IN-RLY/RLY-MAP] An alarm activated i n response to an external contact closure or opening at the Input Relay 4 connection. In-Rly 4 Alm m+ Ignore OUTPUT RELAY SETUP Output Relay 1 Alias {1} [SYSTEM/OUT-RLY/ALIAS] An alternate name (alias) can be assigned to the relay if desi red.
MX28B - 1200+27V PRODUCT MANUAL Rev 1 42 LVD Alarm LVD1 Option {1} [MODULES/LVD/SET-ALM] Set to “Enable” if the unit has an LVD1. LVD1 Option m+ Enable L VD1 Alarm {1} [MODULES/LVD/SET-ALM] Sets the priority or “mapping” of an LVD1 Alarm.
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