Table of Contents
Troubleshooting
Related Manuals for Multilink EB1s
Summary of Contents for Multilink EB1s
- Page 1 MODEL EB1s BROADBAND POWER SUPPLIES Installation and Operation Manual Manual Part No: 017-068-A0 Issue 13 (11/14/2017) P.O. Box 955 Office & Plant (440) 366-6966 580 Ternes Avenue Fax (440) 366-6802 Elyria, Ohio 44035 USA www.gomultilink.com...
- Page 3 230 VAC 50Hz /4-Battery EB1s 1350VA-240/60-36 017-068-40 240 VAC 60Hz /3-Battery EB1s 1350VA-240/60-48 017-068-41 240 VAC 60Hz /4-Battery EB1s 1350VA-120/60-36 4 TAP 017-068-43 120 VAC 60Hz /3-Battery EB1s 1350VA-240/50-36 4 TAP 017-068-46 230 VAC 50Hz /3-Battery EB1s 1350VA-240/50-48 4 TAP...
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Page 4: Table Of Contents
1.4 Safety Issues of Power Supply Installation and Use 1.5 Enclosure Safety Issues 1.6 Battery Safety Issues Section 2: Introduction .................. 7 2.1 EB1s Series Product Overview 2.2 EB1s Series Product Features 2.3 Unpacking and Inspection 2.4 Missing or Damaged Items 2.5 Original Shipping Container 2.6 Other Items... -
Page 5: Section 1: Critical Safety Issues
EMI / RFI STATEMENT This device has been designed and manufactured to comply with the EMI / RFI emission limits and immunity characteristics as set forth in Standards EN 55022 and EN 55024. These limits are designed to provide reasonable protection against harmful interference when this equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed in accordance with this instruction manual, may cause harmful interference to radio communications. -
Page 6: General Safety Issues
Perform the following procedure if the power supply must be shut down and disconnected on an emergency basis: 1. Open the enclosure containing the power supply. 2. Switch the BATTERY CIRCUIT breaker to the OFF (O) position. 3. Disconnect the AC power cord from its inlet connector at the side of the power supply. Power supply output is now disabled;... -
Page 7: Enclosure Safety Issues
1.5 Enclosure Safety Issues The enclosure and the power supply must be installed by qualified technicians or installers only, using appropriate mounting hardware in accordance with local codes and construction practices. The power supply must be installed within a grounded metal enclosure suitable for accommodating broadband power supplies. -
Page 8: Battery Safety Issues
1.6 Battery Safety Issues When installing batteries for the power supply, do not mix battery types (gelled electrolyte and AGM) in the same string or within the same cabinet. DO NOT use flooded type batteries containing liquid electrolyte under any circumstances. -
Page 9: Section 2: Introduction
Supported Firmware Versions: This manual supports features and functions of firmware releases starting at Version 3.1.1, Build 6. Overall Operation: The EB1s Series of power supplies provide filtered and regulated AC output power of proper voltage and current values to operate amplifiers, nodes and other active devices in CATV and broadband networks. - Page 10 Standby (Inverter) Mode. Battery Test/Self Test: The EB1s is capable of performing a battery test. The test mode forces the power supply into battery pow- er/inverter mode. The test can be initiated locally through the front panel, remotely through the status monitor- ing interface, or self initiated.
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Page 11: Eb1S Series Product Features
Software (NMS) when interfacing any transponders or additional equipment provisioned in the HFC plant. The EB1s transponders are compatible with a variety of NMS packages including Continuity and Cheetah XD. The following list is described in further detail and is available for download from www.scte.org. -
Page 12: Original Shipping Container
Section 3: Front Panel Controls, Connections and Indicators The front panel of each EB1s Series power supply contains various connectors, all operator controls and indicators. These items are described as follows. Further details regarding use of controls and indicators may... - Page 13 SERIAL LCD DISPLAY COMMUNICATION PORT TAMPER SWITCH CABINET INDICATOR LIGHTS STATUS LEDs KEYPAD BATTERY TEMPERATURE PROBE BATTERY CIRCUIT BREAKER BATTERY INPUT CONNECTOR Fig. 3-1 Power Supply Inverter Module Front Panel Detail Issue 13 (11/14/2017)
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Page 14: Indicators
3.3 Indicators Liquid Crystal Display (LCD): The LCD display on the front panel of the power supply serves as the main visual communications device so the user can view a number of operational conditions in the power supply. Four membrane keys associated with the LCD display provide a means for the user to navigate the individual screens. -
Page 15: Section 4: Installation And Setup
Section 4: Installation and Setup 4.1 Preparation Installing and wiring any model within the EB1s Series power supplies into an enclosure may be accomplished by connecting input and output wiring to the appropriate connectors of the power supply. The AC input cord of the power supply mates with standard receptacles of the region served. -
Page 16: Placement In The Enclosure
2. A separate enclosure ground wire must be connected between the enclosure ground lug and an earth ground connection provided by a ground rod installed at the power supply site. In most cases, one copper or copper-clad steel ground rod of 2.5 meter (8 feet) length driven into the earth will be sufficient to provide the ground connection required. -
Page 17: Wiring
4.4 Wiring Connect input, output, control and monitor wiring to the power supply according to the following procedure. Refer to Figs. for control and connector positions. Operate the AC line circuit breaker in the service entrance box to the OFF position. If the power supply is located at a head end or other customer premise site, ensure that the branch circuit breaker chosen to protect the AC receptacle for the power supply is operated to the OFF position. -
Page 18: Battery Placement And Wiring
4.5 Battery Placement and Wiring Proper installation and wiring of the batteries is critical to the long-term backup capability of any power supply system. Gelled electrolyte, valve regulated batteries are recommended for use in broadband power supply applications. All batteries should be tested and fully charged prior to installation. Interconnecting wiring must be no smaller than 8 mm²... -
Page 19: Care And Maintenance Of Batteries
4.7 Care and Maintenance of Batteries Once installed and connected batteries must not be allowed to sit idle without receiving a charge. The power supply must be started, even if at minimum load, and allowed to charge the batteries. Initial charging to ensure full reserve time may require as long as seven days to accomplish. -
Page 20: Cold Start Mode
4. After a pause, the initial status screen should now be scrolling on the LCD display and should look similar to this: 5. The BATTERY CIRCUIT breaker on the front panel of the power supply may be placed to the ON (I) position at this time. -
Page 21: Main Menu
LCD Screen Display: The LCD assembly chosen for the EB1s Series power supplies has been designed for use in a wide temperature range. As such, the characters displayed on the screen should be visible under nearly all temperature conditions. -
Page 22: Performance Menu
Performance: Displays detailed system performance parameters. History: Displays the Life Timer, Inverter Timer, Event Counter, and event reset. Battery Status: Displays String Voltage, Individual Battery Voltage, Charger status, and Battery Test mode control. Configuration: Allows certain system variables to be modified. Firmware: Displays firmware version and build data. - Page 23 Displays the measured value of the Battery String voltage and the Battery Discharge current. Displays the Battery Temperature measured by the Battery Temperature Probe. Temperatures below 0°C will display a minus(-) before the leading digit Displays the Inverter Temperature measured by the circuit board temperature sensor.
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Page 24: History Menu
Battery Status indicators: Displays battery voltage and discharge current. Charger Status indicators: = Charger Off =Trickle Mode = Bulk mode = Equalize mode = Float mode. The Current display shows whole amperes or a single decimal place if the value is less than 1. For detailed readings use the Charger Status page in the Battery Status menu. - Page 25 The Battery Charger Status screen displays several important charger operating values. CHARGER COMPUTED TEMPERATURE MODE COMPENSATION OFFSET BATTERY VOLTAGE COMPUTED TEMPERATURE COMPENSATED EQUALIZE VOLTAGE CHARGER CURRENT COMPUTED TEMPERATURE COMPENSATED FLOAT VOLTAGE BATTERY TEMPERATURE The charger mode can be (Trickle), (Bulk),...
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Page 26: Configuration Menu
factor is 3.9 mV per degree Celsius per cell. This value can be selected in the Configuration Menu. See section 5.3.5 for an explanation on modifying these settings. Battery Test If the Battery Test is not running this screen is displayed. ... - Page 27 Battery Selection Parameters Select the number of Battery Strings. String voltage is set at the factory and is not configurable. Either 1 or 2 strings are selectable. accepts changes and exits, discards changes and exits. Arrow keys select the interval to test for Missing Batteries from 5 to 30 minutes.
- Page 28 The battery charger will adjust the Equalize and Float voltages in proportion to the battery temperature by a factor set in the Charger Temp Comp menu item. At temperatures above +25°C the compensation factor is subtracted from the two voltages and at temperatures below +25°C the factor is added to the voltages. The calculated volt- ages are limited in software to less than 44.0 VDC and greater than 33.0 VDC for a 36 VDC string and less than 58.0 VDC and greater than 44.0 VDC for a 48 VDC string.
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Page 29: Firmware Menu
Miscellaneous Parameters Arrow keys enable or disable the Short Circuit Detect function. See Section 2.1 of this manual for explanation of this feature. Default: OFF. accepts changes and exits, discards changes and exits. Select the system Tamper Switch Monitoring option. The value can be On- Active Low, On- Active High, or Off. -
Page 30: Section 6: Power Supply Shutdown
Section 6: Power Supply Shutdown If power supply shutdown becomes necessary at any time, observe the following procedure: 1. Operate the BATTERY CIRCUIT breaker to the OFF (O) position, then disconnect the battery cable from the power supply. 2. Disconnect the line cord from the enclosure receptacle or operate the circuit breaker serving AC utility power to the supply to the OFF position. -
Page 31: Output Voltage Selection
7.3 Output Voltage Selection Power supply output voltage is normally configured for 89-volts at the factory unless a different value output was specified on the order. Voltage selection should normally be accomplished before installing the power supply and should not be attempted at the installation site. Reconfiguration should be done only at a properly equipped repair depot or service shop before the power supply is installed and placed into operation. -
Page 32: Troubleshooting
Major Alarms: Cause Corrective action Configuration Fault System configuration does not match detected operating conditions Contact Multilink Inverter Fault System has detected that the inverter current is too high Remove cause of overcurrent, restart UPS, replace inverter if damaged Sleep Mode Fault... -
Page 33: Electroline Transponder Leds Diagnostics And Troubleshooting
7.5 Electroline Transponder LEDs diagnostics and troubleshooting LEDs Description Normal Operation: When all LEDs are lit, this indicates that the DHT is properly cabled, the DOCSIS® registration process is complete and communications have been established with the monitored device. The CABLE LED flickers at each data transfer and the MON LED flickers every 5 seconds. -
Page 34: Section 8: Options
Section 8: Options The EB1s Series power supplies support several optional features appearing in the following list. The options and accessories listed enhance the usefulness of your power supply as aids to installation and servicing and are available through Multilink as extra-cost items. Refer to the section 8.6 of this instruction manual for part numbers of the options available... - Page 35 Fig. 8-1 Battery Balancer wiring, 36V, 3 batteries, 1 string Issue 13 (11/14/2017)
- Page 36 Fig. 8-2 Battery Balancer wiring, 48V, 4 batteries, 1 string Issue 13 (11/14/2017)
- Page 37 Fig. 8-3 Battery Balancer wiring, 36V, 6 batteries, 2 strings Issue 13 (11/14/2017)
- Page 38 Fig. 8-4 Battery Balancer wiring, 48V, 8 batteries, 2 strings Issue 13 (11/14/2017)
- Page 39 Section 9: Specifications Output Power VA 1350 1620 2000 AC Line Input Voltage AC Line Input Frequency (Hz) 36 36 48 36 36 48 36 48 36 48 36 48 36 48 36 48 36 48 36 48 36 48 36 48 Battery Voltage Nominal AC Input Current (A) 7.6 3.8 3.8 3.8 10...
- Page 40 RELEASE HISTORY Iss. 1A Preliminary Release CS (03/12/14) Iss. 01 Initial Release CS (04/23/14) Iss. 02 Revised specifications CS (09/02/14) Iss. 03 Added Cold Start section CS (12/15/14) Iss. 04 Added supported models CS (06/12/15) Iss. 05 Revised Specifications CS (06/19/15) Iss.
- Page 41 Contact us at: MULTILINK Inc. www.gomultilink.com 580 Ternes Ave. 440-366-6966 (Telephone) Elyria, Ohio 44035 USA 440-366-1036 (Fax) Issue 13 (11/14/2017)
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