LOVATO ELECTRIC ATL800 Instruction Manual
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LOVATO ELECTRIC ATL800 Instruction Manual

Automatic transfer switch
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CAUTION
● Read this manual before use and installation.
● This equipment must be installed by qualified personnel according to
applicable standards in order to prevent injury or damage to property.
● Before any maintenance operation on the device, remove all voltages from measuring and supply inputs.
● The manufacturer cannot be held responsible for electrical safety in case of improper use of the equipment.
● The product illustrated herein are subject to alteration and changes without prior notice. Descriptions and information in the catalogue consequently have no contractual relevance.
● A circuit breaker must be included in the electrical installation of the building. It must be installed close by the equipment and within easy of the operator. It must be marked as the equipment's
disconnecting device: IEC/ EN 61010-1 § 6.12.2.1.
● Clean the equipment with a soft cloth; do not use abrasive products, liquid detergents or solvents.
Doc: I435GB04_17.docx
ATL800
AUTOMATIC TRANSFER SWITCH
INSTRUCTION MANUAL
Contents
Navigating display pages
Parameter setting via NFC
Programmable input functions table
System layout
Connection diagrams
Mechanical dimensions and panel perforation
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12/07/2016
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Ann Kefalonitis
March 10, 2025

Does this controller have the ability to transfer to generator when a single phase drops verses entire utility powerloss ?

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Summary of Contents for LOVATO ELECTRIC ATL800

  • Page 1: Table Of Contents

    ATL800 AUTOMATIC TRANSFER SWITCH INSTRUCTION MANUAL CAUTION ● Read this manual before use and installation. ● This equipment must be installed by qualified personnel according to applicable standards in order to prevent injury or damage to property. ● Before any maintenance operation on the device, remove all voltages from measuring and supply inputs.

  • Page 2: Introduction

    Introduction The ATL800 control unit implements state-of-the-art functions required for automatic transfer applications. The system incorporates a unique series of hardware and software features which guarantee high flexibility, e.g. management of three supply source lines and two tie breakers, graphic display, double power supply, expansion modules, programmable system layout, integrated PLC etc., for use in a wide variety of possible conditions of application, all of which can be programmed by the user.

  • Page 3: Operating Modes

    Energising the equipment  ATL800 has two power supplies: 100-240VAC or 12-24-48VDC. Priority is given to the AC power if both are present at the same time.  The equipment is normally set to the OFF mode when it is switched on. Modify parameter P01.03 in the M01 Utility menu if the operating mode selected before switch-off must be maintained.

  • Page 4: Password Protected Access

    Password protected access  The password is used to enable or block access to the setting menu and the command menu.  The password is deactivated and access is free on new equipment (default). If the passwords are enabled, they must be entered to access the equipment (the passwords are numeric).

  • Page 5: Display Pages Table

    Display pages table PAGES EXAMPLE PAGES EXAMPLE Phase to phase Phase voltage voltage Alarm status Control thresholds Statistics Events list Battery status Expansion modules Inputs and outputs Inputs status Outputs Date / Time System info Automatic test Doc: I435GB04_17.docx 12/07/2016 p.

  • Page 6: Expandability

    Expandability  With its expansion bus, the ATL800 can be expanded with the additional modules of the EXP…. series.  Up to three EXP… modules can be installed at the same time.  The EXP… modules supported by the ATL800 are divided into the following categories:...

  • Page 7: Communication Channels

     The communication channels may operate at the same time.  By activating the Gateway function, it is possible to have an ATL800 equipped with an Ethernet port and the basic RS-485 port which works as a ‘bridge’ towards the other devices provided with the RS-485 port only, so obtain a saving (one Ethernet access point only).

  • Page 8: Remote Variables (Remx)

     See settings menu M21 for alarm definition. PLC logic (PLCx)  Xpress can be set using a ladder program for creating a PLC internal logic inside the ATL800, so as to be able to freely create any function necessary for genset accessory applications.

  • Page 9: Ir Programming Port

    CX01 USB Dongle and CX02 WiFi Dongle Parameter setting from PC  The configuration and remote monitoring software Xpress can be used to transfer the set-up parameters (previously set) from ATL800 to the PC hard disk and vice versa. ...

  • Page 10: Parameter Settings (Setup) From Front Panel

    Parameter settings (setup) from front panel  To access the parameter programming menu (setup): Set the board to OFF mode On the normal measurement display, press ▲ and ▼at the same time to recall the main menu Select the icon .

  • Page 11: Parameter Table

    Parameter table M01 - UTILITIES Unit Default Range P01.01 Language English English Italiano Francais Espanol Deutsch Portuguese Polish Russian P01.02 Clock setting after power-on OFF-ON P01.03 Power-on operative mode Previous OFF mode Previous P01.04 LCD contrast 0-100 P01.05 Display backlighting intensity high 0-100 P01.06...
  • Page 12 P04.04 - Tripping delay between MIN and MAX battery alarms. P04.05-P04.06-P04.07- Serial communication enabling between ATL800 and any BCG…RS series communicating battery chargers. It allows to read the voltages, charging currents and alarms concerning the corresponding battery charger and to view information on the dedicated video page. ‘Local’ means the battery charger connected to the battery which powers the ATL800 in DC.
  • Page 13 P07.n.09 - Time elapsed between minimum voltage opening pulse and breaker spring loading control. P07.n.10 - This defines whether in case of failure to close the ATL800 must perform a retry consisting of a cycle of opening/spring recharging cycles followed by a new closing attempt.
  • Page 14 1h-2h-3h- 4h-6h-8h- 12h- 1d-2d-3d 4d-5d-6d-7d P08.07 Genset rotation time 0...23/OFF P08.08 Genset rotation minutes 0...59 P08.09 Distance between genset startups 0-9999 P08.10 EJP operating mode Normal Normal EJP-T P08.11 EJP start delay 0-240 P08.12 EJP switch delay 0-240 P08.13 EJP re-switch block OFF / ON P08.14 Closed transition enable...
  • Page 15 P08.17 - Maximum phase angle difference between the two sources to be synchronised. P08.18 - Minimum simultaneous dwell time between the three previous conditions before the synchronism is considered reliable. P08.19 - Maximum waiting time for the synchronisation conditions. After this time, an open transition is performed. P08.20 - Instantaneous parallel time in closed transition.
  • Page 16 115200 P10.n.03 Data format 8 bit - n 8 bit, no parity 8 bit, odd bit, even 7 bit, odd 7 bit, even P10.n.04 Stop bit P10.n.05 Protocol Modbus RTU Modbus RTU Modbus ASCII Modbus TCP P10.n.06 IP address 192.168.1.1 000.000.000.000 –...
  • Page 17 Note: This menu is divided into 16 sections for limit thresholds LIM1..16. P15.n.01 - This defines which measurements supplied by the ATL800 to apply the limit threshold. P15.n.02 - If the reference measurement is an electric measurement, this defines whether it refers to the mains or the genset.
  • Page 18 Note: This menu is divided into 8 sections for counters CNT1..8. P16.n.01 - Signal which causes the counter increments (on ramp up). It may be energised by the ATL800 (ON), the exceeding of a threshold (LIMx), the activation of an external input (INPx), a logical condition (PLCx) etc.

  • Page 19: System Layout

    P21.3.04, P21.3.05, P21.3.06 = OFF System layout The possible system layouts supported by the ATL800 are listed below. The following information is provided for each one:  The code used for selecting the layout type in the parameter setting P02.01 of the GENERAL menu (example: B: 2S-1T-PL) ...
  • Page 20  BRKx = Line breaker corresponding to the BRKn breakers.  TBx = Tie Breaker.  LOADx = User load.  NPL = Non-Priority Load. Case A: 2S – 0T   Case B: 2S - 1T - PL   Case C: 2S – 1T - SI  ...

  • Page 21: Alarms

    Alarms  When an alarm occurs, an alarm icon will appear on the display together with an ID code and the description of the alarm in the selected language.  If the page navigation buttons are pressed, the pop-up window with the alarm indications momentarily disappear and then reappear after a few seconds. ...

  • Page 22: Description Of The Alarms

    Description of the alarms CODE DESCRIPTION REASON FOR THE ALARM Battery voltage too low Battery voltage under minimum threshold for a time longer than set. Battery voltage too high Battery voltage under maximum threshold for a time longer than set. BRK1 breaker timeout Breaker BRK1 of line SRC1 did not perform the opening or closing operation before the timeout.

  • Page 23: Programmable Input Default

    Start genset 1 In AUT mode, when closed, overrides starting of genset 1. Start genset 2 As above, referred to genset 2. Emergency NC contact which, if open, opens all the breakers and generates alarm A14 Emergency (block property of A14 are priority) . Line SRC1 genset ready When closed, indicates that the genset connected to the SRC1 line is available for use.

  • Page 24: Programmable Output Default

    As above, referred to SRC2. Siren Powers the acoustic warning siren. Operative mode Output energised when the ATL800 is in one of the modes set with parameter P14.03. OFF mode Energised when ATL800 is in OFF mode. MAN mode Energised when ATL800 is in MANUAL mode.

  • Page 25: Command Menu

    Installation  ATL800 is designed to be flat panel mounted. Frontal protection of IP65 is guaranteed with correct assembly and optional sealing.  Insert the system in the panel hole making sure that the seal, if present, is correctly positioned between the panel and instrument frame.
  • Page 26 B SG L3 N L3 N A1 A2 40 41 42 44 45 T3.15A Power diagram with breakers LINE 1 LINE 2 LINE 1 ATL800 LINE 2 BRK1 BRK2 L2 L3 N LOAD A1 A2 40 43 41 44 T3.15A BRK2...
  • Page 27 Power diagram with breakers and tie breakers LINE 1 LINE 2 LINE 1 ATL800 LINE 2 BRK1 BRK2 L2 L3 N L2 L3 N LOAD 1 LOAD 2 AC supply from two sources LINE 1 LINE 2 ATLDPS1 AC AUX SUPPLY Doc: I435GB04_17.docx...

  • Page 28: Terminal Arrangement

    Example of RS-485 serial line connection RS485 RS485 22 23 24 25 22 23 24 25 40 41 42 43 44 45 46 47 40 41 42 43 44 45 46 47 Terminal arrangement 22 23 24 25 LINE 1 LINE 2 OUT 7 RS485...
  • Page 29 Mechanical dimensions and panel cutout Doc: I435GB04_17.docx 12/07/2016 p. 29 / 31...

  • Page 30: Technical Characteristics

    Technical characteristics AC power: terminals 53, 54 Us rated voltage 100 - 240V~ Operating limits 90 - 264V~ Frequency 45 - 66Hz 100V~ 12,5VA, 7W Drawn/dissipated power 240V~ 16,5VA, 7,3W Micro-interruption immunity time ≤40ms (110V~ ) (without expansion modules) ≤200ms (220V~ ) Micro-interruption immunity time ≤20ms (110V~ ) (with 3 expansion modules)

  • Page 31: Manual Revision History

    Output type Voltage range 10 - 30V= Maximum current 50mA Insulation voltage AC power Rated insulation voltage Ui 250V~ Rated impulse withstand voltage Uimp 7,3kV Operating frequency withstand voltage Voltmeter inputs Line 1, Line 2 Rated insulation voltage Ui 600V~ Rated impulse withstand voltage Uimp 9,8kV Operating frequency withstand voltage...

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