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         Doc: I437GB04_16.docx                                      09/03/2016 

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ATL900   

   

 

 

AUTOMATIC TRANSFER SWITCH  

 

 

 

 

 

 

 

 

INSTRUCTION MANUAL

 

  

 

 
 

 

 

 

 

 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.

 

 

Contents

 

Page 

Introduction

 

Description  

Front button functions 

Front LEDs 

Operating modes 

Energising the equipment 

Main menu 

Password protected access 

Navigating the display pages 

Synoptic 4 
Display pages table 

Expandability  

Additional resources 

Communication channels 

Inputs, outputs, internal variables, counters, analog inputs 

Limit thresholds (LIMx) 

Remote variables (REMx) 

User alarms (UAx) 

PLC logic (PLCx) 

Timers (TIMx) 

Automatic test   

Keypad lock 

IR programming port   

Parameter setting from PC 

Parameter setting from smartphone or tablet with CX02 

Parameter setting via NFC 

9

Parameter settings (setup) from front panel 

10 

Parameter table 

11 

Alarms 23 
Alarm properties   

23 

Alarms table   

23 

Description of the alarms     

24 

Programmable inputs functions table     

25 

Programmable inputs default   

26 

Programmable outputs functions table 

26 

Programmable outputs default   

27 

System layout 

28 

Command menu  

31 

Installation 32 
Connection diagrams 

32 

Terminal arrangement 

35 

Mechanical dimensions and panel perforation  

36 

Technical characteristics 

37 

Manual revision history 

38 

  
 

I437GB0

16

 

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. 

 

Summary of Contents for ATL900

Page 1: ...sword protected access 4 Navigating the display pages 4 Synoptic 4 Display pages table 5 Expandability 6 Additional resources 6 Communication channels 7 Inputs outputs internal variables counters analog inputs 7 Limit thresholds LIMx 7 Remote variables REMx 7 User alarms UAx 8 PLC logic PLCx 8 Timers TIMx 8 Automatic test 8 Keypad lock 8 IR programming port 9 Parameter setting from PC 9 Parameter ...

Page 2: ...esholds with programmable hysteresis Possibility of transferring load with closed transition and spontaneous or controlled genset synchronisation 100 240Vac auxiliary power supply 12 24 48Vdc battery power supply Front optical programming interface Advanced programmable I O functions Integrated programmable PLC logic 50 lines 8 columns Alarm properties entirely definable by the user High accuracy ...

Page 3: ...parallel There are very many automatic operating cycles which vary according to the defined system configuration 14 possibilities and according to the type of transfer devices used motorised breakers motorised changeover switches or contactors Refer to the possible system configurations and the respective truth tables which describe the system behaviour in automatic mode Note The use of closed tra...

Page 4: ...be scrolled one at a time The current page is shown on the title bar Some measurements may not be viewed according to the programming and connection of the equipment e g the respective page will not appear if no fuel level sensor is set Some pages have sub pages which can be accessed by pressing e g to view voltages and currents in form of graphic bars The user can specify the page and sub page to...

Page 5: ...ay pages table PAGES EXEMPLE PAGES EXEMPLE Phase to phase voltage Phase voltage Alarm status Control thresholds Statistics Events list Battery status Expansion modules Inputs and outputs status Inputs Outputs Date Time System info Automatic test ...

Page 6: ...he basic unit will ask the user to confirm the new configuration If confirmed the new configuration will be saved and become effective Otherwise the discrepancy will be indicated each time the equipment is powered up The current configuration of the system is shown on the specific display page expansion modules indicating the number type and state of the connected modules The I O numbering is list...

Page 7: ...e internal variable named LIMx will be activated when the measurement is beyond the limits defined by the user by means of the respective setting menu Furthermore up to 8 counters CNT1 CNT8 which can count pulses come from the outside thus from INPx inputs or the number of times for which a given condition occurred For example by defining a LIMx threshold as counting source it will be possible to ...

Page 8: ...s branches of the ladder logic are stored in internal variables PLCx which may later be used to control the ATL900 outputs or as support memories to built a more complex logic or to control the alarms defined by the user UAx It is additionally possible to create timers inside the PLC program using the programmable timers of the M17 menu The operation of the logic created with the ladder program ma...

Page 9: ... programming parameters in a simple and innovative way which does not need any connection cable and is able to operate even with non powered ATL900 You can transfer the programming parameters by simply placing a smart device on the front of the ATL900 Operation conditions o The smart device must support the NFC function and have it enabled The smart device must be unlocked Active o If ATL900 is po...

Page 10: ...tup M04 BATTERY Battery parameters M05 ACOUSTIC ALARMS Control of internal buzzer and external siren M06 SOURCE LINES SRCx Characteristic source data M07 BREAKERS BRKn Characteristic breaker data M08 SWITCH Load transfer mode M09 SOURCE LINE CONTROL SLCx Source line acceptability limits n M10 COMMUNICATIONS Communication parameters M11 AUTOMATIC TEST Period time automatic test mode M12 DIGITAL INP...

Page 11: ...nt P01 05 Low display backlighting adjustment P01 07 Low display backlighting switch delay P01 08 Reset to default page delay when buttons are not pressed If set to OFF the last manually selected page will always remain on the display P01 09 Default page shown on the display when it is switched on and after the delay P01 10 Free text with alphanumeric name identifying the specific system M02 GENER...

Page 12: ...rol Direct L1 L2 L3 Inverted L3 L2 L1 Note The corresponding alarms must also be enabled P02 07 Connection type choice three phase with without neutral two phase or single phase P02 08 Voltage controls on concatenated voltages phase voltages or both P02 09 Rated system frequency P02 10 CT positioning for reading currents and powers OFF CT not used LOAD CT positioned on load S1 S2 S3 CT positioned ...

Page 13: ...arger 3 communication OFF OFF 01 255 P04 01 Rated battery voltage If set to OFF disables the battery state alarms and messages on the display P04 02 MAX battery voltage alarm tripping threshold P04 03 MIN battery voltage alarm tripping threshold P04 04 Tripping delay between MIN and MAX battery alarms P04 05 P04 06 P04 07 P04 08 Serial communication enabling between ATL900 and any BCG RS series co...

Page 14: ...uous control in RESET OFF mode NOC OFF NOC P07 n 07 Breaker following no closing with feedback open only OFF OFF ON P07 n 08 Minimum coil opening pulse time sec 1 0 0 1 10 0 P07 n 09 Delay between min coils and spring load sec 0 2 0 1 10 0 P07 n 10 Closing retry AUT OFF AUT AUT MAN CLOSING P07 n 11 Breaker conditional enable OFF OFF INPx OUTx LIMx REMx PLCx Ax UAx P07 n 12 Function index x OFF OFF...

Page 15: ...after sending a start control without having detected the presence of voltage alarm A2n Line n genset not available is generated and the system starts a second genset where available P08 10 This defines the EJP operating mode Normal Standard opening mode in AUT mode EJP Two programmable inputs are used set with Start remote load off and remote transfer for operation as EJP When the start input is ...

Page 16: ...spective reset hysteresis P09 n 05 cannot be set to a value higher than P09 n 04 By setting P09 n 04 to OFF the maximum voltage control is disabled P09 n 06 defines the maximum voltage tripping delay P09 n 07 Delay time for SRCx to return within the limits used when an alternative threshold is not available Normally shorter than P09 n 08 because the load is not powered and supplying voltage is urg...

Page 17: ...t to client M11 AUTOMATIC TEST Unit Default Range P11 01 Automatic TEST enable group 1 OFF OFF ON P11 02 Automatic TEST enable group 2 OFF OFF ON P11 03 Automatic TEST enable group 3 OFF OFF ON P11 04 Interval between TESTS gg 7 1 60 P11 05 Enable TEST for Monday ON OFF ON P11 06 Enable TEST for Tuesday ON OFF ON P11 07 Enable TEST for Wednesday ON OFF ON P11 08 Enable TEST for Thursday ON OFF ON ...

Page 18: ...tion For example if this parameter is programmed on M O the Operating mode output will be activated when the ATL900si is in MAN or OFF mode M15 LIMIT THRESHOLDS LIMn n 1 16 Unit Default Range P15 n 01 Reference measurement OFF OFF measurements list AINx CNTx P15 n 02 Reference measurement source OFF OFF SRC1 SRC2 SRC3 P15 n 03 Channel no x 1 OFF 1 99 P15 n 04 Function Max Max Min Min Max P15 n 05 ...

Page 19: ...n 08 Channel number x referred to the previous parameter M17 TIMER TIMn n 1 8 Unit Default Range P17 n 01 Timer source OFF ON INPx OUTx LIMx REMx PLCx Axx UAx RALx P17 n 02 Channel no x 1 1 99 P17 n 03 Delay sec 0 0 0 6000 0 Note This menu is divided into 8 sections for the timers TIM1 8 P17 n 01 Source variable which controls the starting and resetting of the concerned timer P17 n 02 Channel numb...

Page 20: ...le of 1500 litres Section 3 of this menu referred to AIN3 will be programmed as follows P19 3 01 4 20mA P19 3 02 0 0 x 1 0 litres scale start value corresponding to 4mA P19 3 03 x1 P19 3 04 1500 1500 x 1 1500 litres full scale value corresponding to 20mA P19 3 05 x1 P19 3 06 Tank reserve level P19 3 07 litres M20 ANALOG OUTPUTS AOUn n 1 6 Unit Default Range P20 n 01 Output type OFF OFF 0 20mA 4 20...

Page 21: ...xample of application User alarm UA3 must be generated by the closing of the input INP5 and must show the Doors open message without opening any breaker In the case set menu section 3 for alarm UA3 P21 3 01 INPx P21 3 02 5 P21 3 03 Doors open P21 3 04 P21 3 05 P21 3 06 OFF Alarms When an alarm occurs an alarm icon will appear on the display together with an ID code and the description of the alarm...

Page 22: ...ll Glob A All Glob B Block BRK1 Block BRK2 Block BRK3 Siren Inhibit Modem No LCD A01 Battery voltage too low A02 Battery voltage too high A03 BRK1 breaker timeout A04 BRK2 breaker timeout A05 BRK3 breaker timeout A06 Incorrect phase sequence Line SRC1 A07 Incorrect phase sequence Line SRC2 A08 Incorrect phase sequence Line SRC3 A09 Load timeout not powered A10 Local battery charger failure A11 Gen...

Page 23: ...ne genset ready input A22 SRC2 genset line not available As above referred to SRC2 A23 SRC3 genset line not available As above referred to SRC3 A24 Maintenance hours SRC1 Alarm generated when the maintenance hours related to the SRC1 line reach zero See menu M12 Use the Control menu to restore the operating hours and reset the alarm A25 Maintenance hours SRC2 As above referred to SRC2 A26 Maintena...

Page 24: ...JP function 15 Start genset 1 In AUT mode when closed overrides starting of genset 1 16 Start genset 2 As above referred to genset 2 17 Start genset 3 As above referred to genset 3 18 Emergency NC contact which if open opens all the breakers and generates alarm A14 Emergency block property of A14 are priority 19 Line SRC1 genset ready When closed indicates that the genset connected to the SRC1 lin...

Page 25: ...ne SRC2 63 Maximum priority line SRC3 As above referred to line SRC3 64 Tie breaker TB1 feedback Auxiliary contact which informs the ATL of the open closed state of tie breaker TB1 If this signal is not connected ATL considers the state of the tie breaker corresponding to the control output state 65 Tie breaker TB2 feedback As above referred to TB2 66 NPL breaker protection trip The input generate...

Page 26: ...e SRC3 As above referred to line SRC3 32 Load on Line SRC1 Breaker BRK1 closed 33 Load on Line SRC2 Breaker BRK2 closed 34 Load on Line SRC3 Breaker BRK3 closed 35 Alarms A01 Axx Output energised when alarm Axx is active xx 1 alarm number 36 Alarms UA1 Uax Output energised when alarm Uax is active x 1 8 37 Alarm remoting RGKRR unit control pulse output 38 Timer TIM x Output controlled by state of ...

Page 27: ...l system In our examples the code indicate the following SRCx SOURCE power line Corresponding to the SRCx power lines 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 SRC1 SRC2 BRK1 BRK2 SRC1 SRC2 BRK1 BRK2 TB1 SRC1 SRC2 BRK1 BRK2 TB1 0 0 Open Open 0 0 Open Open Open 0 0 Open Open Open 0 1 Open C...

Page 28: ...ed Open 1 1 x Closed Closed Open Open Three sources with one tie breaker between SRC1 and SRC2 Load split between priority and non priority NPL Each of the three sources can power both loads In case of presence of SRC1 and at least either SRC2 or SRC3 the loads are powered separately Three sources with one tie breaker between SRC2 and SRC3 Load split between priority and non priority NPL Load NPL ...

Page 29: ... If the advanced access password was entered the command menu can also be used to perform automatic operations useful for configuring the instrument The following table shows the functions which are available with the command menu divided according to the required access level CODE CONTROL ACCESS LEVEL DESCRIPTION C01 RESET MANTENACE HOURS 1 ADVANCED Reset maintenance interval hours of the breaker...

Page 30: ... with the automatic procedure as programmed C25 RESET PLC MEMORY ADVANCED Reset PLCx variable status Installation ATL900 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 Make sure that the cus...

Page 31: ...GRAMMABLE INPUT BATTERY 12 48VDC SSR OUTPUT 3x F1A S2 16 49 50 52 51 PROGRAMMABLE INPUT PROGRAMMABLE INPUT PROGRAMMABLE INPUT PROGRAMMABLE INPUT 23 A 22 TR 25 24 B SG RS485 20 19 21 55 57 56 OPEN LINE 1 CLOSE LINE 1 6 5 7 8 L2 L1 L3 N LINE 2 INPUT 3x F1A 58 60 59 OPEN LINE 2 CLOSE LINE 2 10 9 11 12 L2 L1 L3 N LINE 3 INPUT 3x F1A 61 63 62 OPEN LINE 3 CLOSE LINE 3 OUT 1 OUT 2 OUT 3 OUT 4 OUT 5 OUT 6...

Page 32: ...14 S1 2 13 S1 1 S2 17 S2 18 CURRENT 27 26 T3 15A BATTERY 12 48V 55 57 56 OPEN LINE 1 CLOSE LINE 1 OUT 1 OUT 2 L N 54 53 A1 A2 AC AUX SUPPLY STATUS INTERLOCK POWER SUPPLY BRK1 OPENING CLOSING TRIP BRK2 BRK3 L N FROM ATLDPS1 BRK2 BRK3 40 43 39 58 60 59 OPEN LINE 2 CLOSE LINE 2 OUT 3 OUT 4 STATUS INTERLOCK POWER SUPPLY OPENING CLOSING TRIP BRK1 BRK3 41 44 61 63 62 OPEN LINE 3 CLOSE LINE 3 OUT 5 OUT 6...

Page 33: ...3 15A BATTERY 12 48V 55 57 56 OPEN LINE 1 CLOSE LINE 1 OUT 1 OUT 2 L N 54 53 A1 A2 AC AUX SUPPLY STATUS INTERLOCK POWER SUPPLY BRK1 OPENING CLOSING TRIP BRK2 BRK3 L N FROM ATLDPS1 40 43 39 58 60 59 OPEN LINE 2 CLOSE LINE 2 OUT 3 OUT 4 STATUS INTERLOCK POWER SUPPLY OPENING CLOSING TRIP 4144 61 63 62 OPEN LINE 3 CLOSE LINE 3 OUT 5 OUT 6 STATUS INTERLOCK POWER SUPPLY OPENING CLOSING TRIP 42 45 TB1 TB...

Page 34: ...OM COM INP 9 INP 10 INP 11 INP 12 LINE 1 LINE 2 S1 1 S1 2 S1 3 S1 4 S2 S2 NC TR A B SG N L3 L2 N L3 L2 L1 19 OUT 7 22 23 24 25 RS485 18 17 16 15 14 13 8 7 6 5 4 3 2 1 CURRENT L1 31 30 28 29 32 39 48 49 50 51 52 27 26 SLOT 1 SLOT 2 SLOT 3 BATTERY LINE3 N L3 L2 L1 12 11 10 9 NO 20 COM 21 OUT 10 34 33 35 OUT 11 37 36 38 INP 1 40 INP 2 41 INP 3 42 INP 4 43 INP 5 44 INP 6 45 INP 7 46 INP 8 47 OUT 1 56 ...

Page 35: ...Doc I437GB04_16 docx 09 03 2016 p 35 37 Mechanical dimensions and panel cutout ...

Page 36: ...voltage current transformer 5A Measurement type True RMS TRMS Permanent thermal limit 20 Ie Short duration thermal limit 50A for 1 sec Burden 0 6VA Measurement accuracy AC voltage inputs 0 25 f s 1digit Digital inputs terminals 39 47 and 48 52 Input type negative Input current 8mA Low input signal 2 2V High input signal 3 4V Input signal delay 50ms RS485 serial interface terminals 22 25 Interface ...

Page 37: ...crew type Wire cross section area min and max 0 2 2 5 mmq 24 12 AWG UL use data Wire cross section area min and max 0 75 2 5 mm 18 12 AWG Tightening torque 0 56 Nm 5 Lbin Housing Installation Flush mount Material Polycarbonate Frontal degree of protection IP40 on front IP65 with optional gasket IP20 on terminals Weight 680g Certifications and compliance Certifications obtained cULus EAC Comply wit...

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