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June 2021

Installation, Operation and Maintenance Manual

MAN712 Rev. 9

Section 8: Modbus RTU Interface

Modbus RTU Interface

Section 8: Modbus RTU Interface

8.1

Modbus Standard References

MODBUS over serial line specification and implementation guide V1.0.

Available from

www.modbus.org/specs.php

MODBUS application protocol specification V1.1b.

Available from

www.modbus.org/specs.php

8.2

Modbus Communication Features

Communication Protocol

: Modbus RTU.

Transmission Technology

: RS-485 (isolated) half duplex.

Network Topology

: Line (bus) structure.

Transmission Medium

: Twisted pair + reference signal, screened copper cable.

Data Rate

: 600 1200 2400 4800 9600 19200 38400 bit/s

Device Number

: Max. 32 devices per segment. If more than 32 devices are

present on the Bus, repeaters should be used.

Slave Address

: From 1 to 247 (address 0 reserved for broadcast

messages), configurable via local operator interface or

serial interfaces.

Bus Access

: Polling between masters and slaves.

Electrical Power

: ELBS-20 powered

(only when External Power Supply is applied).

Bus Termination

: Configurable via local operator interface or

serial interfaces.

Temperature

: ELBS-20 temperature range

EMC Protections

: ELBS-20 EMC protection

Baud Rate

: Configurable via local operator interface or

serial interfaces

Addressing

: Configurable via local operator interface or

serial interfaces

Parity

: Configurable via local operator interface or

serial interfaces

Bits per byte

: 1 Start bit

8 Data bits, least significant bit sent first

1 Bit for Even/Odd parity; no bit for no parity;

1 Stop bit with parity; 2 Stop bits without parity

Error Check Field

: Cyclical Redundancy Check (CRC)

Содержание ELBS-20

Страница 1: ...System 20 Copyright Biffi The information in this document is subject to change without notice Updated data sheets can be obtained from our website www biffi it or from your nearest Biffi Center Biffi...

Страница 2: ...plate 8 September 2020 Eighth Issue Piacenti Doglio 7 July 2016 Seventh Issue Battaglia Vigliano 6 October 2015 Sixth Issue Battaglia Vigliano 5 December 2014 Fifth Issue Battaglia Vigliano 4 August 2...

Страница 3: ...verall Dimensions EJB51 Cabinet 16 4 5 Options 16 Section 5 Working Principle and Detailed Description 5 1 Working Principle 17 5 1 1 Table of Operating Modes 22 5 1 2 Details of the Valve Control Ope...

Страница 4: ...Register 73 8 4 3 Function Code 16 0x10 Write Multiple Registers 74 8 4 4 Function Code 72 0x48 Read Event Data 75 8 4 5 Function Code 101 0x65 Read Alarms and Warnings Logs 77 8 4 6 Exception Codes 7...

Страница 5: ...Restore Valve Control 104 Section 12 Battery Maintenance and First Installation Battery Maintenance and First Installation 105 Section 13 Parts List 13 1 General Assembly 114 13 2 General Assembly 11...

Страница 6: ...Installation Operation and Maintenance Manual MAN712 Rev 9 Notes June 2021 This page is intentionally left blank...

Страница 7: ...Installation Operation and Maintenance Manual MAN712 Rev 9 June 2021 Reference Document 1 Section 1 Reference Document Section 1 Reference Document 1 MDE226 ELBS 20 Biffi Assistant User Manual...

Страница 8: ...ticular applications operation or maintenance conditions it is the operator s responsibility to comply with all applicable safety rules Please inform Biffi Italia urgently if you face unsafe situation...

Страница 9: ...ufacturer s Liability Biffi Italia declines all liability in the event of Use of the device in contravention of local safety at work legislation Incorrect installation disregard or incorrect applicati...

Страница 10: ...certificate In order to maintain these characteristics until the ELBS 20 is installed on site proper attention must be observed for preservation during the storage period The standard plastic plugs us...

Страница 11: ...ts are provided for the connection with the Biffi Assistant software tool see 1 for details to carry out parameter configuration or variables visualization or to download the recorded event data for f...

Страница 12: ...he following outputs dedicated to the Solenoid Valve Control 2x 24 V DC 100 mA isolated outputs SVC 2x SPDT single side stable relays contacts RL The SOV Control Outputs are used for managing one or m...

Страница 13: ...Qty 1 CABINET MOD EJB51 1 2 EJB51 INTERNAL PLATE 1 3 ELBS 20 CARDS BRACKET 1 4 PROCESS CARD 1 5 INTERFACES CARD 1 6 DISPLAY BLUETOOTH CARD 1 7 DISPLAY BLUETOOTH CARD MASK 1 8 BATTERY PACK LEFT BRACKE...

Страница 14: ...cription Section 4 Device Description 8 4 2 Electronic Cards 4 2 1 Electronic Cards Pinout The figure below shows the 292ELBS100 block that is composed by the following electronic cards 492LBDS100 DIS...

Страница 15: ...N712 Rev 9 June 2021 Device Description Section 4 Device Description 9 The figure below shows the 492LBBP100 BATTERY PACK CARD Figure 3 Battery Pack Default 7 2 V DC EARTH CABLE optional Battery Pack...

Страница 16: ...vice Description 10 4 2 2 Electronic Card Details Jumpers Fuses Push Buttons Batteries The figure below shows the Jumper Settings and the Fuses position of the Process Card The Jumpers of the Process...

Страница 17: ...Device Description 11 The figure below shows the Jumper Settings the Fuse position and the Emergency Push buttons of the Interfaces Card The Jumpers of the Interfaces Card Figure below must be set as...

Страница 18: ...gure below shows the Fuses position and the Battery Packs polarity of the Battery Pack Card Figure 6 Battery Pack Card BP1 BATTERY PACK DEFAULT BP2 BATTERY PACK DEFAULT BP3 BATTERY PACK DEFAULT BP4 BA...

Страница 19: ...48 V DC Galvanic Insulation from Logic Yes Battery Pack Power Supply Battery Pack Nominal Supply Voltage 7 2 V DC Single Cell Nominal Voltage 3 6 V DC Single Cell Nominal Capacity 13 0 Ah or higher S...

Страница 20: ...mA Galvanic Insulation from Logic Yes SOV Control Outputs RL1 and RL2 Maximum allowed Voltage up to 120 V AC 10 and up to 110 V DC 10 Maximum switching power up to 1 A 120 V AC up to 1 A 30 V DC up t...

Страница 21: ...ing both sensors are supplied with the max power consumption with the display ON and considering the additional power for driving a DO relay 3 20 mA of output by using the internal power supply 4 Duri...

Страница 22: ...all dimensions and the standard layout of the EJB51 cabinet are shown in the figure below Figure 7 NOTE The EJB51 cabinet is normally provided when the following ordering options are selected Cabinet...

Страница 23: ...9 June 2021 Working Principle and Detailed Description Section 5 Working Principle and Detailed Description 17 Section 5 Working Principle and Detailed Description 5 1 Working Principle The following...

Страница 24: ...sition values present in the FIFO memory are transferred to the data memory 4 MB flash memory The event data memory can store up to 1000 events and the events have the following size 115 samples prece...

Страница 25: ...tion In valve control data acquisition VC ACQ operating mode the pressure and position optional samples relevant to an event 1 2 3 4 and 6 are stored in the data memory and in case of EVENTS 2 4 and 6...

Страница 26: ...y September and November the pipeline pressure does not generates any Event The Event 3 represents a pump station start up while the Event 5 is a pump station shut down that creates a pressure drop ra...

Страница 27: ...capability and the parameter Memory 90 is set to On a warning informs about the need to discharge the memory content in a portable PC in order to allow the ELBS 20 restarting its pipeline survey The...

Страница 28: ...EVENTS 1 2 3 4 6 The ELBS 20 switches to slow sampling mode if if there is an alarm see Section 6 4 excepting the SLEEP alarm after the execution of the Safety Action see Section 5 1 2 7 If event dat...

Страница 29: ...ure will start to the high pressure limit or to the Pressure Max if the high pressure limit is greater than the Pressure Max and goes to 0 bar according with the set pressure drop T Pr Drop The test f...

Страница 30: ...ng the actuator to stroke the line valve to the fail safe position The ELBS 20 initiates the Safety Action if the Operating Mode is VC or VC ACQ see Section 5 1 1 no alarms are active and one of the f...

Страница 31: ...s only if the Drop is enabled Drop Enabled Yes see Section 6 the test function forces the valve control VC operating mode 5 1 3 Examples of Pressure Drop Rate Control The following figure shows the EL...

Страница 32: ...he pinout and electrical limits of the ELBS 20 5 2 1 Configuration Managing Interfaces The ELBS 20 provides the following Configuration Managing Interfaces Local Operator Interface Keypad Display RS23...

Страница 33: ...tery Packs is the only Power Supply or press any push button for turning on the display when the External Power Supply is present The ELBS 20 provides two different sets of push buttons Default push b...

Страница 34: ...nd the Display Bluetooth Card The Process Card has two isolated DC DC converters that work in parallel one is called Default and the other one is called Auxiliary The ELBS 20 checks the status of each...

Страница 35: ...s all the interfaces and goes in sleep mode it periodically wakes up for measuring the Pressure and optionally the Position Sampling Rate depends on the Operating Mode When it wakes up it performs the...

Страница 36: ...roc Sleep S Rate OFF ON 2 OFF OFF Push ENTER button ONafter EXTERNAL WAKE UP ONafter EXTERNAL WAKE UP ONafter EXTERNAL WAKE UP ACQ Disp OFF Inter OFF Proc Sleep S Rate OFF ON 2 OFF OFF Push ENTER butt...

Страница 37: ...e applied present or not applied absent When the External Power Supply is not applied and the Battery Pack is present do not apply any voltage on the DIs because it causes an unwanted consumption of t...

Страница 38: ...on Sensor is an optional input 5 2 8 SOV Control Outputs The SOV Control Outputs are used for managing one or more external SOVs in order to send a command to the actuator to stroke the line valve to...

Страница 39: ...ery Pack OK SVC1 RL1 SVC1 RL1 or RL1 RL2 Case 1 if SVC1 SVC2 are enabled only SVC1 is used during the Safety Action Case 2 if SVC1 SVC2 RL1 are enabled only SVC1 RL1 are used during the Safety Action...

Страница 40: ...ntegrity Check is performed during the Safety Action and cyclically according to a settable period I C SVC Time I C RL Time If the period I C SVC Time I C RL Time is set to 0 the Automatic Integrity c...

Страница 41: ...ecomes active see Section 6 4 the ELBS 20 goes to the SLOW Operating Mode the Automatic Integrity Check is no more performed and it is necessary to clear this alarm and to manually set the desired Ope...

Страница 42: ...electable Operating Modes are VC ACQ VC ACQ SLEEP and SLOW see Section 5 1 1 VC ACQ SLEEP VC ACQ SLOW SLEEP R W Local Serial Modbus SA Done Safety Action Done The SA Done indicates if the Safety Actio...

Страница 43: ...ing mode It determines the threshold for the EVENT 6 see Section 5 1 For correctly setting this parameter see Section 6 1 0 1 999 9 bar min 3 0 bar min R W Local Serial Modbus D ACQ PDR Data Acquisiti...

Страница 44: ...led If set as Yes the Automatic Integrity Check is performed on the set available SVC Electrical Circuits SVC Enabled The Automatic Integrity Check is performed with a period defined by the value of I...

Страница 45: ...deals with the Integrity Check execution and if it is not set correctly the result of the Integrity Check of the RL1 Electrical Circuit has no sense See Section 5 2 8 1 for details about the Integrit...

Страница 46: ...It is used as threshold for establishing the Battery Pack status See V Bat Status Def and V Bat Status Aux 0 10 0 Volt 4 2 Volt R W Local Serial Modbus Batt On V Battery On Voltage It is used as thre...

Страница 47: ...deals with the Integrity Check execution and if it is not set correctly the result of the Integrity Check of the RL1 Electrical Circuit has no sense See Section 5 2 8 1 for details about the Integrit...

Страница 48: ...0 mA 100 Fully Open 0 or 4 mA 0 Fully Close Reverse 20 mA 0 Fully Close 0 or 4 mA 100 Fully Open It depends on Pos Signal value Normal Reverse Normal R W Local Serial Modbus Start 20mA Calibration Cal...

Страница 49: ...the function associated to the DO3 See Section 6 2 OFF R W Local Serial Modbus DO3 Op Mode DO3 Operating Mode DO3 Make the DO3 is a short circuit closed when the associated function is active Break t...

Страница 50: ...ion DI1 It is the function associated to the DI1 See Section 6 3 OFF R W Local Serial Modbus D1 Act if D1 Active if DI1 Present the input is considered active when a correct voltage is applied on the...

Страница 51: ...High Low R Local Serial Modbus AO Enabled Analog Output Enabled AO If it is set as Yes the Analog Output 4 20 mA is enabled The Analog Output is available only when the External Power Supply is applie...

Страница 52: ...rt is enabled see Section 5 2 2 3 for details Yes No No R W Local Serial Modbus RS485 Term Act RS485 Termination Active RS485 If it set as Yes the termination on the RS485 loop is activated Yes No Yes...

Страница 53: ...essure Drop It is the Pressure drop value used by the test function Start Test P Drop 0 2 200 bar min 3 0 bar min R W Local Serial Modbus Start Test Pres Drop Start Test Pressure Drop Start the Test P...

Страница 54: ...isted and it is indicated if it is active On or not active Off R Local Serial Modbus Alarms List Up to 50 alarms change of status activation and clearing are listed When an alarm becomes active its ac...

Страница 55: ...dbus 4 Local Serial Modbus Mem Circular Memory Circular Circular Yes when the event memory is full the new event takes the place of the oldest one Not circular No when the memory is full the acquisiti...

Страница 56: ...Local Serial Modbus Humidity It is the humidity measured into the cabinet of the ELBS 20 0 100 actual R Local Serial Modbus Alarms It indicates the number of the active alarms 0 255 actual R Local Se...

Страница 57: ...re Transducer the parameters Valve Control Pressure VLC PDR Data Acquisition Pressure D ACQ P Pressure Increase P Inc and Pressure Decrease P DEC must respect the following limits when they are set Ta...

Страница 58: ...tive Battery Pack Default or Battery Pack Auxiliary see Section 6 4 All HEATER The ELBS 20 use this DO for driving an external HEATER connected on the DO7 30 C is the threshold for activating the HEAT...

Страница 59: ...ory every stored event is deleted This function works always as Self Maintained command minimum duration 1 second All VC EN Valve Control Enable VC When it is active the ELBS 20 enables the Valve Cont...

Страница 60: ...Limits of VLC PDR D ACQ PDR P Inc e P Dec are not respected see Section 6 1 LP limit Max Pressure LP limit HP Limit All the SOV Controls Outputs are disabled V Ext Applied No and S Rate 5 seconds Ena...

Страница 61: ...it Problem 1 SVC1 It is active when SVC1 is set as SOV Control Output and SVC1 Status is Bad See 5 2 8 1 for details SVC2 Circuit Problem 2 SVC2 It is active when SVC2 is set as SOV Control Output and...

Страница 62: ...e the working data Two push buttons DOWN UP are used to move into the menu and for changing the value of the parameters while the third ENTER is used to enter the selected information and for moving b...

Страница 63: ...OP MODE A POW SUP DEF BATTERY PACK STATUS AUX BATTERY PACK STATUS OK no alarms and no warnings AL at least one alarm active WA at least one warn Active A W at least one alarm and one warning active S...

Страница 64: ...ns which are available without any password and give some general pieces of information The language of the Normal Mode Menu is defined by the Language parameter see Section 6 Figure 15 First Display...

Страница 65: ...etup Mode Menu with password as Operator Administrator or Developer Figure 16 View Mode Setup Mode View Mode Setup Mode PASSWORD Correct Password Wrong Password CORRECT PASSWORD PRESS ENTER TO CONTINU...

Страница 66: ...s is highlighted in yellow 7 4 1 View Graph of the Setup View Mode Menus The View Graph of the Setup and View Mode Menus shows the position of each available parameter of these menus For making easier...

Страница 67: ...it Int Check Int Check SVC Exit Int Check SVC I C SVC En I C SVC Time SVC1 Status 1 SVC2 Status 2 Start Manual I C SVC Int Check RL Exit Int Check SVC I C RL En II C RL Time RL1 Contacts 1 RL2 Contact...

Страница 68: ...Press Sensor Pres Signal Press Min Pres Max Calibrate Pressure Position Sensor Exit Pos Sensor Pos Sens En Pos Signal Pos Op Mode Calibrate Position Exit Calibration Start 0 mA Calibration 0 mA Start...

Страница 69: ...Exit DO4 DO4 DO4 Function DO4 DO4 Op Mode DO4 DO4 Status DO4 DO5 DO5 Exit DO5 DO5 DO5 Function DO5 DO5 Op Mode DO5 DO5 Status DO5 DO6 DO6 Exit DO6 DO6 DO6 Function DO6 DO6 Op Mode DO6 DO6 Status DO6 D...

Страница 70: ...Interface 64 DI2 DI2 Exit DI2 DI2 DI2 Function DI2 DI2 Act If DI2 DI2 Command DI2 DI2 Status DI2 DI3 DI3 Exit DI3 DI3 DI3 Function DI3 DI3 Act If DI3 DI3 Command DI3 DI3 Status DI3 DI4 DI4 DI5 DI5 Ana...

Страница 71: ...odbus Mod Enabled Modbus Mod Address Modbus Mod Baud Modbus Mod Parity Modbus Mod Term Act Modbus Reserved RS232 RS232 Exit RS232 RS232 RS232 Enabled RS232 RS485 RS485 Exit RS485 RS485 RS485 Enabled R...

Страница 72: ...erial Number FW Int FW Pro Tag Name Date and Time Exit Date and Time Date Time RTC Adjust RTC OPR Password Exit OPR Password Change OPR PWD Alarms Exit Alarms Alarms Status Alarms List Clear Alarms Li...

Страница 73: ...nu and the DOWN push button has no effect when pressed on the last entry of a Menu or of a Sub menu The ENTER push button is used to enter and exit the Menus and the Sub menus pressed on Menus and Sub...

Страница 74: ...e than 32 devices are present on the Bus repeaters should be used Slave Address From 1 to 247 address 0 reserved for broadcast messages configurable via local operator interface or serial interfaces B...

Страница 75: ...l devices are connected in a bus structure Up to 32 stations master and slaves can be connected in one segment Repeaters should be used to extend the number of devices on one bus Addresses range is fr...

Страница 76: ...side the device should be used only if the device is at the beginning or at the end of the bus segment and if there is no external termination The figure below shows the MODBUS wiring Figure 19 Ground...

Страница 77: ...lding Registers 06 Preset Single Register 16 10 Hex Preset Multiple Registers 8 4 Modbus Function Description The following paragraph describes the input and output messages of ELBS 20 Modbus RTU Inte...

Страница 78: ...equested is more than 314 Exception Code 02 0x02 is generated If an error occurs while the slave device is performing the action requested in the query Exception Code 04 0x04 is generated Broadcast me...

Страница 79: ...03 0x03 is generated If an error occurs while the slave device is performing the action requested in the query Exception Code 04 0x04 is generated Only read register discharges new value without gene...

Страница 80: ...e the slave device is performing the action requested in the query Exception Code 04 0x04 is generated Only read register discharges new value without generating Exception Codes Broadcast messages are...

Страница 81: ...hat are returned in a Read Data Event Response Table 19 Field Name Bytes Range Value Description Event ID 2 1 1000 It identifies the events 1 last event Stored Events oldest event Sensor Type 1 0 1 0...

Страница 82: ...Request Field Name Value HEX Address 02 Function Code 48 Event ID 5 Sensor Type 0 CRC Field Name Value HEX Address 02 Function Code 48 Byte Count 53 Slave ID 00 Run Indicator Status 00 Event ID 2 byt...

Страница 83: ...iption Alarms Warnings 1 1 2 1 Alarms 2 Warnings Log Part 1 0 1 0 25 most recent 1 25 least recent The following table lists the fields that are returned in a Read Data Event Response Table 23 Field N...

Страница 84: ...11 RL1 12 RL2 13 BAT_D 14 BAT_A 15 FL_P 16 MR_P 17 MR_I 18 FL_I Example of a request of Read Alarms Warnings Log for the 25 most recent Alarms Alarms Warnings 1 and Log Part 0 Table 25 Request Field N...

Страница 85: ...lave receives the request without communication error but it cannot process the data In this case the slave returns an Exception Error message that describes the error The ELBS 20 Modbus RTU Interface...

Страница 86: ...ply Alarm b2 Wrong Configuration b3 Sleep Operating Mode b4 S A Electrical Circuits Alarm b5 b15 Spare Not Used 9 Reserved 0 65535 R bits 10 Warnings Status 0 65535 R bit 0 not active 1 active b0 Even...

Страница 87: ...ved Not Used 0 R 31 Reserved Not Used 0 R 32 Reserved Not Used 0 R 33 Reserved Not Used 0 R 34 Reserved Not Used 0 R 35 Reserved Not Used 0 R 36 Reserved Not Used 0 R 37 Reserved Not Used 0 R 38 Reser...

Страница 88: ...1 Ok 76 RL2 Status 0 1 R 0 Bad 1 Ok 77 Start Manual Integrity Check RL 0 1 RW 1 Start 78 External Power Supply Applied 0 1 R 0 No 1 Yes 79 External Power Supply Status Default 0 1 R 0 Bad 1 Ok 80 Ext...

Страница 89: ...0 1 RW 0 0 20 mA 1 4 20 mA 117 Position Operating Mode 0 1 RW 0 Normal 1 Reverse 118 Reserved 1 200 R 119 Reserved 0 1 R 120 Reserved 0 65535 R 121 Reserved 0 1 R 122 Reserved 0 65535 R 123 Reserved 0...

Страница 90: ...KO 9 B MNT 10 S A DONE 11 SVC KO 12 RL KO 13 HEATER 14 EVENT2 15 EVENT4 16 EVENT6 150 Reserved 2 16 R 151 DO4 Operating Mode 0 1 RW 0 Make 1 Break 152 DO4 Status 0 1 R 0 Active 1 Not Active 153 DO5 F...

Страница 91: ...179 Reserved 0 1 R 180 DI3 Status 0 1 R 0 Low 1 High 181 Reserved 0 7 R 182 Reserved 0 7 R 183 Reserved 0 1 R 184 Reserved 0 1 R 185 Reserved 0 1 R 186 Reserved 0 7 R 187 Reserved 0 7 R 188 Reserved...

Страница 92: ...aintenance Date R dd mm BCD format 223 Next Battery Maintenance Date R yyyy BCD format 224 Battery Maintenance Period 1 5 Years RW 225 Reserved 0 1 R 226 Reserved 2 2000 R 227 Reserved 0 1 R 228 Start...

Страница 93: ...ot Used 0 R 272 Reserved Not Used 0 R 273 Reserved Not Used 0 R 274 Reserved Not Used 0 R 275 Reserved Not Used 0 R 276 Reserved Not Used 0 R 277 Reserved Not Used 0 R 278 Reserved Not Used 0 R 279 Re...

Страница 94: ...SET 2 MEM90 3 TEMP 4 MAINT 5 AI2_PO 6 INTER 7 V_EX_D 8 V_EX_A 9 SVC1 10 SVC2 11 RL1 12 RL2 13 BAT_D 14 BAT_A 15 FL_P 16 MR_P 17 MR_I 18 FL_I 303 Warning Info Activated Cleared 0 1 R 0 Cleared 1 Activa...

Страница 95: ...Installation Operation and Maintenance Manual MAN712 Rev 9 June 2021 Typical Connections Section 9 Typical Connections 89 Section 9 Typical Connections 9 1 Signals Description Figure 21...

Страница 96: ...11 14 MODBUS A Modbus data line A See Section 8 for details 12 15 MODBUS R Modbus Reference line See Section 8 for details RS485 16 RS485 B RS485 data line B See Section 5 2 1 for details 17 RS485 A...

Страница 97: ...Terminal of the configurable DI1 digital input See Section 5 2 4 for details 54 DI1 COM Dedicated C Terminal of the configurable DI1 digital input See Section 5 2 4 for details 55 DI2 110 Dedicated 11...

Страница 98: ...2021 Installation Operation and Maintenance Manual MAN712 Rev 9 Section 9 Typical Connections Typical Connections 92 The picture below shows the standard layout of the ELBS 20 DIN Rail Terminals Figur...

Страница 99: ...is example shows the ELBS 20 used as a stand alone device The ELBS 20 is not connected to any other equipment DCS Logic Solver PLC etc External Power Supply is not available and the ELBS 20 uses the B...

Страница 100: ...June 2021 Installation Operation and Maintenance Manual MAN712 Rev 9 Section 9 Typical Connections Typical Connections 94 Figure 24...

Страница 101: ...lication The ELBS 20 is connected to another equipment DCS Logic Solver PLC etc MODBUS Digital Inputs Digital Outputs Analog Output External Power Supply is available the Battery Pack is used as back...

Страница 102: ...June 2021 Installation Operation and Maintenance Manual MAN712 Rev 9 Section 9 Typical Connections Typical Connections 96 Figure 26...

Страница 103: ...eneral any disconnecting device Shall be in accordance with the local national standards and plant rules Shall be sized to be in accordance to the maximum power accepted by the ELBS 20 interfaces Shal...

Страница 104: ...1 The electrical supply cables must be suitable for the power rating see the certificates delivered with the ELBS 20 if available or the ELBS 20 nameplate 2 Gather the necessary tools for the assembl...

Страница 105: ...es must be carried out in accordance with National Standards or the Regulatory Authorities that have certified the ELBS 20s Method of sealing and cable glands must be approved and separately certified...

Страница 106: ...MUST be selected considering the maximum Temperature of the cable indicated on the label fixed to the ELBS 20 Enclosure 10 4 2 Cables Requirements EMC Protection The table below resumes the specifica...

Страница 107: ...over the area must be cleaned from explosive mixture since batteries and power supply could generate electrical spark and cause explosion In this section is described a step by step procedure for inst...

Страница 108: ...ation will cause a valve full stroke from the Normal Position to the Safe Position It can be performed only if the valve full stroke is allowed a Set the Operating Mode as VC or VC ACQ b Launch the St...

Страница 109: ...LIMITS CALIBRATION PROCEDURE Pos Signal 4 20 mA Do not perform this procedure if the Pos Signal parameter is set as 0 20 mA 1 Move the actuator for reaching the position corresponding to the 20 mA tr...

Страница 110: ...on to the normal position by doing all the necessary operations ex re arm hand return valves Verify that the Pressure value read by the ELBS 20 is between the HP Limit and the LP Limit and stable no d...

Страница 111: ...e mixture since batteries and power supply could generate electrical spark and cause explosion In this section is described a step by step procedure for the Replacement or the First Installation of th...

Страница 112: ...ce and First Installation Battery Maintenance and First Installation 106 3 Loosen the two screws fixing CN2 of the Process Card see Section 4 2 1 and remove the connector Figure 30 4 Loosen the two sc...

Страница 113: ...e 2021 Battery Maintenance and First Installation Section 12 Battery Maintenance and First Installation 107 5 Loosen the two screws fixing the Battery Pack Card and remove it Figure 32 6 Remove the Ba...

Страница 114: ...irst Installation Battery Maintenance and First Installation 108 7 Remove the Battery Cells if present of the Default Battery Pack Figure 34 8 Put the four new Battery Cells of the Default Battery Pac...

Страница 115: ...used put the four new Battery Cells of the Auxiliary Battery Pack into the dedicated Battery Holder see Section 4 2 2 Be careful at the battery cells polarity Figure 36 10 Measure by a Multimeter the...

Страница 116: ...ttery Maintenance and First Installation 110 11 If used measure by a Multimeter the voltage on the 3 wires connector of the cable of the Auxiliary Battery Pack and verify the voltage between the pins...

Страница 117: ...ntenance and First Installation Section 12 Battery Maintenance and First Installation 111 13 Fasten the two screws of the Battery Pack Card Figure 40 14 If used connect the 3 wires connector of the Au...

Страница 118: ...ten its screws Figure 42 16 Verify the date of the ELBS 20 If it is not the present one set it to the right value 17 Launch the Update Battery Maintenance Command verify that the status of the used Ba...

Страница 119: ...List This section includes the drawings and the part list of the General Assembly and of the Spare Parts of the ELBS 20 NOTICE When ordering spare parts please indicate the serial number embossed on...

Страница 120: ...EXTRACTOR 1 12 VTCEI M10x35 AISI 316 for EJB51 20 13 NUT M6 AISI 316 4 14 VTCP M6x10 AISI 316 4 15 VTCEI M6x14 AISI 316 AISI 316 6 16 SPACER M F M4 M3 H100 AISI 316 4 17 SPACER M F M4 M3 H16 AISI 316...

Страница 121: ...ES CARD 1 6 DISPLAY BLUETOOTH CARD 1 7 DISPLAY BLUETOOTH CARD MASK 1 10 BATTERY PACK CARD opt 1 10 1 BATTERY CELLS opt 4 or 8 11 BATTERY PACK FRONTAL EXTRACTOR opt 1 24 NUT M3 opt AISI 316 2 25 VTCP M...

Страница 122: ...Disposal Electrical and electronic equipment Yes Yes Use specialist recyclers Glass No Yes Use specialist recyclers Metals No Yes Use licensed recyclers Plastics No Yes Use specialist recyclers Rubbe...

Страница 123: ...ed Verify the mechanical connection of the Pressure Sensor Verify that the wiring is correct that the ELBS 20 is not in SLEEP operating mode 6 THE ELBS 20 GETS A WRONG PRESSURE INDICATION Verify the c...

Страница 124: ...enabled Verify the consistency of the parameters dealing with the ANALOG OUTPUT interface 16 PROBLEM WITH RL1 Verify if the RL1 warning is active Verify that the wiring is correct Verify the coil of t...

Страница 125: ...stallation Operation and Maintenance Manual MAN712 Rev 9 June 2021 Ordering Table Section 16 Ordering Table 119 Section 16 Ordering Table Refer to the Technical data sheet available at the Biffi websi...

Страница 126: ...ublication are presented for information purposes only and while every effort has been made to ensure their accuracy they are not to be construed as warranties or guarantees express or implied regardi...

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