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Staco Energy E2 User Manual

208v 60hz 25 to 100kva
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Staco E2
208V 60Hz
25 to 100kVA
USER MANUAL
003-2696 Rev A

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Questions and answers

Raul Jeffrey
May 14, 2025

Do I have to connect the LBS cable if I am connecting two UPS in parralel mode

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1 comments:
Mr. Anderson
May 21, 2025

Yes, when connecting two Staco Energy E2 UPS units in parallel mode, you need to connect the LBS (Load Bus Synchronization) cable. One UPS should be set to LBS master and the other to LBS slave.

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Summary of Contents for Staco Energy E2

  • Page 1 Staco E2 208V 60Hz 25 to 100kVA USER MANUAL 003-2696 Rev A...
  • Page 2 Staco Energy is highly specialized in the development and production of uninterruptible power systems (UPS). The UPS’s of this series are high quality products, carefully designed and manufactured to ensure optimum performance. No reproduction of any part of this manual, even partial, is permitted without the authorization of Staco Energy Products Company.

  • Page 3: Table Of Contents

    Table of Contents Important Safety Instructions: ......................6 1.0 Main Features ..........................9 1.1 Summarization ........................... 9 1.2 Functions and Features ......................9 1.3 System Configuration ......................10 1.4 Standard Compliance ......................10 2.0 Installation ........................... 11 2.1 Check Before Unpacking ......................13 2.2 Cabinet Layout .........................
  • Page 4 3.2 Maintenance Bypass ....................... 49 3.2.1 Switch to Mechanical Bypass ................... 49 3.2.2 Switch to Normal Operation (from mechanical bypass)........... 49 3.3 Cold Start Procedure ....................... 50 3.4 Shut Down Procedure ......................51 3.4.1 On-Line Mode ........................51 3.4.2 Battery Mode........................51 3.5 Parallel setting .........................
  • Page 5 Table of Figures Figure 1 - 25K & 30K Cabinet Dimensions ..................11 Figure 2 - 40K Cabinet Dimensions ....................11 Figure 3 - 50K & 60K Cabinet Dimensions ..................11 Figure 4 - 80K & 100K Cabinet Dimensions ..................12 Figure 5 - 25K &...

  • Page 6: Important Safety Instructions

    Important Safety Instructions: SAVE THESE INSTRUCTIONS - This manual contains important instructions for Staco E2 that should be followed during installation and maintenance of the UPS and batteries. CAUTION! - To reduce the risk of fire, connect only to branch circuit over current protection with...
  • Page 7 For Replacement of batteries located in a SERVICE ACCESS AREA - 1. Servicing of batteries should be performed or supervised by personnel knowledgeable about batteries and the required precautions. 2. Risk of explosion if battery is replaced by an incorrect type. When replacing batteries, replace with the same type and number of batteries or battery packs.
  • Page 8 For additional safety instructions, please use the User Manual as a reference. Special Symbols The following symbols used on the UPS to warn of precautions: RISK OF ELECTRIC SHOCK - Please observe the warning that a risk of electric shock is present CAUTION: REFER TO OPERATOR’S MANUAL - Refer to the operator’s manual for additional information, such as important operating and maintenance instructions.

  • Page 9: Main Features

    1.0 Main Features 1.1 Summarization This series UPS is a 3-Phase in, 3-Phase out double conversion online UPS. The UPS can solve most power supply problems, such as blackout, over-voltage, under-voltage, voltage sudden drop, oscillating of decreasing extent, high voltage pulse, voltage fluctuation, surge, inrush current, harmonic distortion (THD), noise interference, frequency fluctuation, etc.

  • Page 10: System Configuration

    1.3 System Configuration This system is comprised of the UPS device and the external batteries. Additional options are available depending on the site and load requirements of the installation. The following should be taken into consideration for planning the UPS system: ...

  • Page 11: Installation

    2.0 Installation Dimension (mm) Figure 1 - 25K & 30K Cabinet Dimensions Dimension (mm) Figure 2 - 40K Cabinet Dimensions Dimension (mm) Figure 3 - 50K & 60K Cabinet Dimensions Page | 11...

  • Page 12: Figure 4 - 80K & 100K Cabinet Dimensions

    Dimension (mm) Figure 4 - 80K & 100K Cabinet Dimensions Leave minimum 500mm space around the cabinet for operation and ventilation Page | 12...

  • Page 13: Check Before Unpacking

    2.1 Check Before Unpacking 1) Don’t tilt the UPS when moving it from the packaging. 2) Visually inspect the UPS appearance for shipping damage. If it is damaged, notify the carrier immediately. If the UPS has been damaged during transportation, do not switch on the UPS if any damage found.
  • Page 14 7) Slowly slide the unit from the pallet Page | 14...

  • Page 15: Cabinet Layout

    2.2 Cabinet Layout Figure 5 - 25K & 30K Model Cabinet View Page | 15...

  • Page 16: Figure 6 - 40K Model Cabinet View

    Figure 6 - 40K Model Cabinet View Figure 7 -50K & 60K Model Cabinet View Page | 16...

  • Page 17: Figure 8 - 80K & 100K Model Cabinet View

    Figure 8 - 80K & 100K Model Cabinet View Page | 17...

  • Page 18: Component Identification

    2.2.1 Component Identification (1) LCD panel (2) Battery temperature sensor (NTC) (3) RS485 port (for RS485 temperature sensor) (4) USB port (5) RS232 port RS485 port (for RS485 temperature sensor) (6) BAT_SW: detect battery switch status (7) Optional port (Port for backfeed protection, or for battery breaker driver (8) MAINTAIN-AUXSWS port to prevent battery over-drain after UPS shuts down) (10) Parallel port...

  • Page 19: Installation Notes

    2.4 Installation notes  Please place the UPS in a clean, stable environment, avoid the vibration, dust, humidity, flammable gas and liquid, corrosive. To avoid from high room temperature, a system of room extractor fans is recommended to be installed. Optional air filters are available if the UPS operates in a dusty environment.

  • Page 20: External Protective Devices

    2.5 External Protective Devices For safety reasons, it is necessary to install an external circuit breaker at the input AC utility and to the battery. External Battery The UPS and its associated batteries are protected against the effect of over-current through a DC compatible thermo-magnetic circuit breaker located close to the battery.

  • Page 21: Recommended Cross-Sectional Areas For Power Cables

    2.6.1 Recommended cross-sectional areas for power cables AC Input AC Output DC Input Grounding cabinet 25 mm2 50 mm2 25 mm2 50 mm2 50 mm2 16 mm2 25kVA 4 AWG 1/0 AWG 4 AWG 1/0 AWG 1/0 AWG 5 AWG 35 mm2 50 mm2 35 mm2...

  • Page 22: Power Cable Connector Requirements

    2.6.2 Power cable connector requirements Bolt Bolt Hole Model Connector Connection Mode Torque Type Diameter Main Input Crimped OT terminals 20N*m Bypass Input Crimped OT terminals 20N*m Battery Input Crimped OT terminals 11mm 20N*m 25-40kVA Output Crimped OT terminals 20N*m Neutral Crimped OT terminals 20N*m...

  • Page 23: Customer Connection

    CAUTION! Protective earth ground cable: connect each cabinet to an earth ground, following the shortest route possible. WARNING! FAILURE TO FOLLOW ADEQUATE GROUNDING PROCEDURES MAY RESULT IN ELECTROMAGNETIC INTERFERENCE OR IN HAZARDS INVOLVING ELECTRICAL SHOCK AND FIRE. 2.7 Customer Connection Once the equipment has been finally positioned and secured, connect the power cables as described in the following procedure.

  • Page 24: Common Input Connections

    2.7.1 Common Input Connections 25/30K Model: Figure 9 - 25/30K Common Input Connections 40K Model: Figure 10 - 40K Common Input Connections Page | 24...

  • Page 25: Figure 11 - 50/60K Common Input Connections

    50/60K Model: Figure 11 – 50/60K Common Input Connections 80/100K Model: Figure 12 - 80/100K Common Input Connections Page | 25...

  • Page 26: Split Input Connection

    2.7.2 Split Input Connection 25/30K Model: Figure 13 - 20/30K Split Input Connections 40K Model: Figure 14 - 40K Split Input Connections Page | 26...

  • Page 27: Figure 15 - 50/60K Spilt Input Connections

    50/60K Model: Figure 15 – 50/60K Spilt Input Connections 80/100K Model: Figure 16 – 80/100K Spilt Input Connections Page | 27...

  • Page 28: Split Terminal Identification

    2.7.2.1 Split Terminal Identification Mains Primary input Line OUTPUT Bypass Secondary/Bypass input line (optional) Vout-L1: Output Phase L1 Vin-L1: Primary input Phase L1 Vout -L2: Output Phase L2 Vin-L2: Primary input Phase L2 Vout -L3: Output Phase L3 Vin-L3: Primary input Phase L3 Vout -N: Output Neutral Vin-N: Input Neutral for primary and secondary input PE: Grounding...

  • Page 29: External Battery Pack Connection

    2.8 External Battery Pack Connection The specification of Staco E2 series external battery box comes in three types. Their dimensions are 600*1601*851mm, 788*1601*1103mm, and 801*1601*1103mm (W*D*H). The battery box with built-in battery cables, breaker, fuse, and terminals can hold 40pcs of 12V batteries at most and the output voltage can be ±120V by battery connection.

  • Page 30: External Battery Cabinet Installation

    2.8.1 External Battery Cabinet Installation Remove the chassis shell, the top, front, left and right panels. Remove the right and left cover plate of the battery pack and the battery flapper to install the batteries conveniently. 2.8.2 External Battery Cabinet Installation and Connection 20/40pcs of batteries can be selected to be divided into two groups connected in parallel for use.

  • Page 31: Figure 20 - Wiring Connection For 50/60Kva

    Figure 20 - Wiring Connection for 50/60kVA Figure 21 – Battery Wiring Connection for 80/100kVA Page | 31...

  • Page 32: Verify Battery Wiring

    2.8.3 Verify Battery Wiring When the battery installation and connection is completed, use a multi-meter or other instrument to check if the voltages between BAT+ and N, N and BAT- are normal. If normal, lock the chassis cover. Note: The positive and negative of battery cannot be reversed or short circuit, otherwise it will damage the battery.

  • Page 33: Multiple Battery Pack Connections

    WARNING! Ensure correct polarity of string end connections to the Battery Circuit Breaker and from the Battery Circuit Breaker to the UPS terminals i.e. (+) to (+) / (-) to (-) but disconnect one or more battery cell links in each tier. Do not reconnect these links and do not close the battery circuit breaker unless authorized by the commissioning engineer.
  • Page 34 Cell float volt: The float voltage value can be 2.20-2.29 V/cell and is 2.25V/cell by default. Cell boost volt: The battery equalized voltage value can be 2.30–2.40 V/cell and is 2.30 V/cell by default. Aver charging Duration: boost charge time limit, the value can be 1–999min, and is 240 by default.

  • Page 35: Installation And Setup

    WARNING! Ensure correct polarity of string end connections to the Battery Circuit Breaker and from the Battery Circuit Breaker to the UPS terminals i.e. (+) to (+) / (-) to (-) but disconnect one or more battery cell links in each tier. Do not reconnect these links and do not close the battery circuit breaker unless authorized by the commissioning engineer.

  • Page 36: Cabinet Installation

    3.0 Operation. 2.11.1 Cabinet installation Connect all the UPS needed to be in the parallel system as below: Page | 36...

  • Page 37: Parallel Cable Installation

    Make sure each UPS input breaker is in “off” position and there is no output from each UPS connected. Battery groups can be connected separately or in parallel, which means the system itself provides both separate battery and common battery. WARNING! Make sure the N, L1, L2, L3 lines are correct, and grounding is well connected.

  • Page 38: Wiring Diagram For Parallel Installation

    2.11.4 Wiring Diagram for Parallel Installation WARNING! Installation and wiring must be performed in accordance with the local codes/regulations and installed using the following instructions by a qualified electrical service technician only. 25/30K Models: Figure 23- 20/30K Parallel Wiring Diagram Page | 38...

  • Page 39: Figure 25 - 40K Parallel Wiring Diagram

    40K Model: Figure 24 – 40K Parallel Wiring Diagram 50/60K Models: Figure 25 – 50/60K Parallel Wiring Diagram Page | 39...

  • Page 40: Parallel Setting

    80/100K Models: Figure 26 – 80/100K Parallel Wiring Diagram 2.12 Parallel setting: Turn the inverter OFF; all settings must be made with the inverter OFF. 1) In the Homepage Setting navigate to System Setup Advanced Setting>>password “191210”>>System Setup 2) Select the working mode of UPS to the parallel configuration desired Work modes are: Single mode, Parallel mode, ECO mode, Eco+Paral Machine Mode.

  • Page 41: Load Bus Installation (Lbs)

    4) Configure the Parallel ID. Parallel ID must be set after work mode is set to parallel mode. The value can be 1~6, default value is 1. 5) Set the Cabinet Paral Basic unit for standard capacity parallel systems. The value can be 2~6, default value is 2.

  • Page 42: Lbs Cable Installation

    2.13.2 LBS cable installation The two ports of one mesh wire should be plug into RJ45 interface of anyone UPS of both master and slave system. 2.12.3 UPS installation The whole system is shown below. 2.12.4 LBS setting: Turn the inverter OFF; all settings must be made with the inverter OFF. In the Homepage Setting navigate to BATT Setup Advanced Setting>>password “191210”>>BATT Setup Page | 42...

  • Page 43: Computer Access

    LBS mode: setting value: LBS disable, LBS master, LBS slave. Default is LBS disable. a. Single UPS LBS system: one UPS set LBS mode to LBS master, one UPS set LBS mode to LBS slave. b. Parallel UPS system: one parallel UPSs set LBS mode to LBS master, one parallel UPSs set LBS mode to LBS slave.
  • Page 44  “Software Parameter Setting” window appears, choose COM port according to the UPS, choose baud rate 9600, choose protocol “Modbus”, and save this setting.  On the main page of Muser4000, click the button of “Append”, then “Append equipment” window will appear. Put the UPS name into “Equipment Name”, and UPS’...
  • Page 45  Click the button “Append”, then the connection between UPS & computer is accomplished. CAUTION! You must shutdown the inverter before setting the output voltage and/or frequency. Page | 45...

  • Page 46: Operation

    3.0 Operation 3.1 Operation Modes The UPS is a double-conversion on-line UPS that may operate in the following alternative modes. Each mode can be connected as Single input or Dual input. Single Input Dual Input  Normal mode The rectifier/charger derives power from the AC Mains and supplies DC power to the inverter while floating and boosting charge the battery simultaneously.
  • Page 47  ECO Mode When the requirement to the load is not critical and the UPS is at AC Mode, the UPS can be set at ECO mode to increase the efficiency of the power supplied. While in ECO mode, the UPS operates in Line-interactive mode.

  • Page 48: Turn On/Off Ups

    3.1.2 Turn On/Off UPS Restart procedure CAUTION! Make sure grounding is properly done! 1) Set the External Battery Breaker to the “ON” for long run UPS. CAUTION! Check to see if the load is safely connected with the output of the UPS. If the load is not ready to receive power from the UPS, make sure that it is safely isolated from the UPS output terminals.

  • Page 49: Maintenance Bypass

    3.2 Maintenance Bypass To supply the load via Mains, you may simply active the internal mechanical bypass switch. CAUTION! The load is not protected by the UPS when the internal mechanical bypass system is active, and the power is not conditioned. 3.2.1 Switch to Mechanical Bypass CAUTION! If the UPS is running normally and can be controlled through the display, carry out...

  • Page 50: Cold Start Procedure

    3.3 Cold Start Procedure CAUTION! Follow these procedures when the input AC Utility Failure, but battery is normal 1) Turn on the external BATTERY breaker. 2) The battery will feed the Auxiliary power board. 3) Turn on the OUTPUT breaker. 4) Trigger the cold start (Cold start) button as the position 14 of the below drawing.

  • Page 51: Shut Down Procedure

    3.4 Shut Down Procedure CAUTION! This procedure should be followed to completely shut down the UPS and the LOAD. After all power switches, isolators and circuit breakers are opened, there will be no output. 3.4.1 On-Line Mode 1) Shut down the UPS, wait for approximately 30s. 2) Switch OFF the External Battery.
  • Page 52 4) Click “Set” in “User Set” window; 5) In “Data Set” window, click “Work Mode”, and choose “Parallel”. Then click “Set” as shown in below picture. The UPS will beep to indicate the setting is accepted. 6) In “Data Set” window, click “Ups ID”, type an integer for the parallel UPS ID, such as “1”. Then click “Set”...
  • Page 53 CAUTION! After changing the parallel system ID, the connection between Muser4000 and equipment may be interrupted. If this occurs, please re-connect in accordance with the instruction described above. CAUTION! Parallel cable cannot be connected when setting the parallel parameters. 7) After setting the UPS in parallel, power off all UPS. Connect all the UPS according to section 2.11.2 Parallel Cable Installation and then power on the UPS.

  • Page 54: The Lcd Display

    3.6 The LCD Display The display provides more functions than those described in this manual. CAUTION! The setting of most parameters cannot be set when the UPS is in inverter mode. 3.6.1 Home page Home page 1 shows the UPS operating flow chart, entrance of input, output, and battery. To return to the last window, click on the back icon.

  • Page 55: System Status

    3.6.2 System Status Displays the flow state of UPS work, and quickly enters real-time data by clicking on the block. Page | 55...

  • Page 56: Status

    3.6.3 Status View the voltage and current of the main, bypass, output, battery (can also be entered through by real-time data block), View the status of the switches, dry contacts, through clicking on the block, enter the corresponding data window. 3.6.4 UPS Status Screens 1) Click on the Mains icon to enter the mains data window.
  • Page 57 3) Click the Output icon to enter the output data display window. Click on down icon for more information. 4) Click the Battery icon to enter the battery data display window. Click on down icon for more information. Page | 57...

  • Page 58: Information Screens

    3.6.5 Information Screens View the alarm and history of the UPS, and open or close the buzzer. 1) Click the Curr alarm icon to enter the current alarm display window. Page | 58...
  • Page 59 2) Click the History icon to enter the history recode display window. 3) Click the buzzer mute to mute alarm. Red block will change to green, if the buzzer is on, then click the block buzzer will on and the block will change to red. Page | 59...

  • Page 60: Settings Screen

    3.6.6 Settings Screen There are two levels of settings. Basic settings for user settings and advanced settings for technical personnel. Please contact the relevant technical personnel to enter advanced settings. 1) Click basic setting. The user password is “111111”. Page | 60...
  • Page 61 Click the Language icon. Click the save config block to save settings. 3) Click password icon enter user password setting page. To change password, input old password and then new password, then click save confirm to save the change. Password format is six numbers Page | 61...
  • Page 62 Password lock time: When LCD is not touched, it needs to re login when the setting value is set, click left or right block to change the value. 4) Click the icon to change value.  Brightness: Click the text to input new value and click the save config block to save. Value range is 10~63, default value is 63.
  • Page 63 5) Click the text to select other value or input new value and click save config block to save. RS485 address: UPS communication ID address range is 1~15，default is 1 RS485 Baud Rate: baud rate：2400, 4800, 9600, 14400, 19200, default is 9600 6) Bypass settings ...
  • Page 64  EPO Transfers To BYP: Specifies whether transfers to bypass mode when press EPO button. The default value is Disable. Page | 64...
  • Page 65 3.6.7 Advanced Settings Click advanced setting, enter by input the correct password. The user password is “191210”. Note: This operation is recommended to be operated by professionals, or under the guidance of professionals. Page | 65...
  • Page 66 1) System setting: Click the text to select other value or input new value and click save config block to save. Click return to return to the previous window, click home page to return to the main page.  Working Mode: Select the work mode of UPS, work mode: Single mode, Parallel mode, ECO mode Eco+Paral Machine Mode ...
  • Page 67  Inter Power Walk in(s): When UPS are in parallel mode. This enables the UPS to control the interval that each UPS transfers from battery mode to normal mode, which reduces the impact on the generator or power grid. The value can be 1~200, default value is 10.
  • Page 68 3) Output setting  Output Freq: Output frequency, the value can be 50Hz or 60Hz.  Output Volt Level: Output voltage level, the value can be 120 and 127.  Output Volt Adjust (%): Inverter voltage regulated, the value can be -5%~0~+5%, step is 0.5%, default value: 0.
  • Page 69  Aver charging Duration: boost charge time limit, the value can be 1–999min, and is 240 by default.  EOD Battery Volt(V/Cell): End of discharge voltage. The value can be 1.60~1.90 and is 1.80 by default.  Float Temp Compen Coeff(V/Cell/℃): modify the voltage of compensation after enable the switch.
  • Page 70 5) Dry contact setting  Battery abnormal BCB trip (DRV)：Enable or disable BCB trip single output. The default value is Disable.  Bypass Feedback Trip: Enable or disable bypass feedback output. The default value is Disable.  External Maint. Breaker (MT)：Enable or disable external maintenance breaker connection detection.
  • Page 71 7) Battery Self-Check: Can select check by Timing Daily, Timing Weekly. Cycle Mode. The default value is Timing Self-Check Close. 8) Timing Daily: Modify the check date, time, and check time (10S(default), 10min, EOD). 9) Timing Weekly: Modify the check date, time, and check time(10S(default),10min, EOD). Page | 71...
  • Page 72 10) Common: INV ON/OFF, Battery test and Fault clear. 11) INV ON/OFF:  Single OFF: Inverter OFF location UPS  Single ON: Inverter ON location UPS  Parallel OFF: Inverter OFF all parallel UPSs  Parallel ON: Inverter ON all parallel UPSs 12) Battery Test: ...
  • Page 73 13) Fault clear: Clear the current fault (not for all faults). 14) Monitor and LCD software version Page | 73...

  • Page 74: Display Messages/Troubleshooting

    3.7 Display Messages/Troubleshooting This section lists the event and alarm messages that the UPS might display. The messages are listed in alphabetical order. This section is listed with each alarm message to help you troubleshoot problems. 3.7.1 Display Messages Operational Status and Mode(s) AUDIBLE ALARMS DISPLAY LEDS UPS Modes...

  • Page 75: Fault Information

    3.7.2 Fault Information Fault Cord UPS Alarm Warning Buzzer REC Over Temperature Twice per second Fault LED lit REC par. cable Fault Twice per second Fault LED lit REC Over Current Beep continuously Fault LED lit REC Power Fault Beep continuously Fault LED lit Input SCR Fault Beep continuously...

  • Page 76: Alarm Information

    3.7.3 Alarm Information Alarm Code UPS Alarm Warning Buzzer Battery Over Voltage Once per second BATTERY LED blinking BAT Low Pre-warning Once per second BATTERY LED blinking Battery Reverse Twice per second BATTERY LED blinking Battery EOD Once per second BATTERY LED blinking Battery Voltage low Once per second...

  • Page 77: Options

    3.8 Options 3.8.1 Internal SNMP / external SNMP optional 1) Loosen the 2 torque screws (on each side of the card). 2) Carefully pull out the card. Reverse the procedure for re-installation  The slot called SNMP supports the MEGAtec protocol. We advise that NetAgent II-3 port is also a tool to remotely monitor and manage any UPS system.

  • Page 78: Appendix 1 - Specifications

    Appendix 1 - Specifications 25k / 30k / 40k / 50k / 60k / 80k / 100k / Capacity (VA/Watts) 100k Input Nominal voltage 208/120V, 220/127V (3Ph+N+PE) Operating voltage range +20%, -25% (96-150V or 102-159V), Full load Operating frequency range 40Hz-70Hz Power factor ≥0.99...

  • Page 79: Appendix 2 - Troubleshooting

    Appendix 2 - Troubleshooting  the UPS is not working normally, check installation, wiring or operation. Please verify these aspects first.  If all these aspects are checked without any problem, please consult with local agent right away and provide below information. Product model name and serial number.

  • Page 80: Appendix 3 - Usb Communication Port Definition

    Appendix 3 – USB Communication Port Definition USB Communication Port: PC USB port UPS USB port Description Pin 1 Pin 1 PC: +5V Pin 2 Pin 2 PC: DPLUS signal Pin 3 Pin 3 PC: DMINUS signal Pin 4 Pin 4 Signal ground Connection between PC USB port and UPS USB port.

  • Page 81: Appendix 4 - Rs232 Communication Port Definition

    Appendix 4 – RS232 Communication Port Definition RS232 Male port: PC RS232 port UPS RS232 port Pin 2 Pin 2 UPS send, PC receive Pin 3 Pin 3 PC send, UPS receive Pin 5 Pin 5 ground Connection between PC RS232 port and UPS RS232 port Available function of RS232 ...

  • Page 82: Appendix 5 - Rs485 Communication Port Definition

    Appendix 5 – RS485 Communication Port Definition RS485 Port: Device (RJ45) UPS (RJ45) Description Pin 1/5 Pin 1/5 485+ “A” Pin 2/4 Pin 2/4 485 - “B” Pin7 Pin7 +12Vdc Pin8 Pin8 Connection between the Device’s RS485 port and UPS RS485 port. Available function of RS485 ...

  • Page 83: Appendix 6 - Bat_T Communication Port Definition

    Appendix 6 – BAT_T Communication Port Definition BAT_T port: Description Temperature senator（RJ45) UPS BAT_T（RJ45） Pin 1/5 Pin 1/5 Pin 2/4 Pin 2/4 Pin 7 Pin 7 Pin 8 Pin 8 Connection between the Temperature senator RJ45 port and UPS RJ45 port. Available function of BAT_T ...

  • Page 84: Appendix 8 - Repo Instruction

    Appendix 8 – REPO instruction REPO port ： Connection diagram Button UPS REPO Description Pin 1 Pin 1 EPO-NO Pin 2 Pin 2 EPO-12V Pin 1 Pin 3 EPO-NC Pin 2 Pin 4 EPO-12V Connection between the button and UPS REPO port. ...

  • Page 85: Appendix 9 - Backfeed Protection Function

    Appendix 9 – Backfeed Protection function An additional external isolation device must be installed upstream the UPS system. A magnetic contactor or a circuit breaker with UVR (Under Voltage Release) functionality can be used for this purpose. The isolation device must be able to carry the UPS input current (common input in case of single source, bypass input in case of dual source).

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