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BIFFI ICON3000 Installation, Operation And Maintenance Manual

Mod-rtu 1ch+rpt module
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Biffi ICON3000
MOD-RTU 1CH+RPT Module
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 Italia s.r.l. - Strada Biffi 165, 29017 Fiorenzuola d'Arda (PC) - Italy PH: +39 0523 944 411 - biffi_italia@biffi.it
Installation, Operation and Maintenance Manual
MDE 258 Rev. 3
October 2022

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Summary of Contents for BIFFI ICON3000

  • Page 1 MOD-RTU 1CH+RPT Module 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 Italia s.r.l. - Strada Biffi 165, 29017 Fiorenzuola d'Arda (PC) - Italy PH: +39 0523 944 411 - biffi_italia@biffi.it...
  • Page 2 Notes Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 This page is intentionally left blank...
  • Page 3 Communication Features..................4 Section 4: Modbus RTU Module On Board Indications and Jumpers..............6 4.1.1 LED Indication and Jumper of ICON3000 MOD-RTU 1CH+RPT Module for ICON3000 Actuator ............... 6 4.1.2 LED Indication of ICON3000 MOD-RTU 1CH+RPT Module for ICON3000v2 Actuator ................ 7 Section 5: Modbus RTU Protocol Description Modbus RTU Protocol Description ................8...
  • Page 4 8.12 Exception Codes ..................99 Section 9: Configuration via Local Interface BUS Control....................100 9.1.1 Settings for ICON2000v4 and ICON3000 Actuators ......100 9.1.2 Settings for ICON3000v2 Actuators ..........102 Positioner Function ................... 105 Fail-Safe Function ..................106 Viewing Transmission Info ................. 107 BUS Signal Failure Indication..............
  • Page 5 Section 1: Introduction MDE 258 Rev. 3 October 2022 NOTICE Biffi Italia has taken every care in collecting and verifying the documentation contained in this Installation and User Manual. The informations herein contained are reserved property of Biffi Italia. Section 1: Introduction The ICON3000 MOD-RTU 1CH+RPT is an electronic module that allows connecting the Biffi electrical actuator ICON3000 to a Modbus RTU serial communication line.
  • Page 6 Modbus over serial line specification and implementation guide v1.02. Available on www.modbus.org Modbus application protocol specification V1.1b3. Available on www.modbus.org ICON3000 Installation, Operation and Maintenance Manual, VCIOM-08500. Available on www.biffi.it Modbus RTU or ASCII Modbus protocol is currently supported by most Programmable Logic Controllers (PLCs).
  • Page 7 Installation, Operation and Maintenance Manual Section 2: Operation and Storage MDE 258 Rev. 3 October 2022 Section 2: Operation and Storage The module is designed to work and to be stored in the same environment of the actuator. Operation and Storage...
  • Page 8 Section 3: Communication Features Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 Section 3: Communication Features : Modbus RTU Communication Protocol Transmission Technology : RS485, half duplex Network Topology : Line (bus) structure Transmission Medium : Twisted, screened copper cable Data Rate : 600, 1200, 2400, 4800, 9600, 19200, 38400 bit/s Device Number...
  • Page 9 The internal wiring connects the RS485 data lines to the actuator terminal board. The ICON3000 MOD-RTU 1CH+RPT is implemented with two different electronic boards suitable to be installed either in the ICON3000 or in ICON3000v2 actuators. Figure 2 Top Side - ICON3000 MOD-RTU 1CH+RPT module for...
  • Page 10 MDE 258 Rev. 3 On Board Indications and Jumpers 4.1.1 LED Indication and Jumper of ICON3000 MOD-RTU 1CH+RPT Module for ICON3000 Actuator Seven LEDs are mounted on the Modbus RTU module to give the following indications for the field service. LEDs indicators are active only when jumper JP1 is closed.
  • Page 11 Section 4: Modbus RTU Module MDE 258 Rev. 3 October 2022 4.1.2 LED Indication of ICON3000 MOD-RTU 1CH+RPT Module for ICON3000v2 Actuator Six LEDs are mounted on the Modbus RTU module to give the following indications for the field service.
  • Page 12 Section 5: Modbus RTU Protocol Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 Section 5: Modbus RTU Protocol Description Modbus protocol is a messaging structure used in a wide range of application in process automation to establish master-slave communication between intelligent devices. Since Modbus is only a messaging structure, it is independent from the physical layer.
  • Page 13 The devices can be connected in multi-drop bus topology or repeated topology. If lengths over 1200 m or more than 32 nodes are requested, the ICON3000 MOD-RTU 1CH+RPT can act as signal repeater.
  • Page 14 6.1.1 Working Principle of ICON3000 MOD-RTU 1CH+RPT on ICON3000 Actuator Figure 6 shows a conceptual diagram of the ICON3000 MOD-RTU 1CH+RPT module interface for ICON3000. The module takes its electrical supply from the actuator power supply. The RS485 bus transceivers are isolated from the actuator electronics.
  • Page 15 When the actuator is correctly powered and operational, the BYPASS switch connects each port to its transceiver, and the ICON3000 MOD-RTU 1CH+RPT repeats and regenerates the signal between port B and port A and the other way around. However,...
  • Page 16 Section 6: Network Wirings Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 Figure 7 TERM_1 BYPASS EARTH TERM_2 EARTH Network Wirings...
  • Page 17 The actuator can be connected on the fieldbus line in multi-drop bus topology or in repeated topology. The connection can be different if it is performed on ICON3000 or ICON3000v2 actuator. 6.2.1 Multi-drop Bus Connection with 1,5 Twisted Pair Shielded Cable for ICON3000 Actuator Figure 8 shows the wiring schematic for different mode of connection and cable types.
  • Page 18 6.2.3 Line Repeated Connection with 1,5 Twisted Pair Shielded Cable for ICON3000 Actuator The actuator is connected across two segments. On port B the segment that comes from the Master and on port A the continuous of the network. The shield of Input side must be left floating.
  • Page 19 6.2.5 Multi-drop Bus Connection with 1 Twisted Pair Shielded Cable for ICON3000 Actuator The actuator is connected to the existing segment only by port B. The port A is left floating. The shield of Input side must be connected to the shield of output side by A3 terminal.
  • Page 20 6.2.7 Line Repeated Connection with 1 Twisted Pair Shielded Cable for ICON3000 Actuator The actuator is connected across two segments. On port B, the segment that comes from the Master and on port A the continuous of the network. The shield of Input side must be plugged on A3 terminal and the shield of output side must be fixed on A6 terminal.
  • Page 21 Installation, Operation and Maintenance Manual Section 6: Network Wirings MDE 258 Rev. 3 October 2022 6.2.8 Line Repeated Bus Connection with 1 Twisted Pair Shielded Cable for ICON3000v2 Actuator The actuator is connected across two segments. On port B, the segment that comes from the Master and on port A the continuous of the network.
  • Page 22 The following paragraph describes the I/O composition of the Modbus data map implemented in the ICON3000 MOD-RTU 1CH+RPT module. The ICON3000 MOD-RTU 1CH+RPT module concentrates all the available data in the Holding Register Data Area, but to grant the backward compatibility with the ICON2000v4 and the ICON3000 actuators families, it also maintains the former data structure.
  • Page 23 They can also be configured via local operator interface. Coils In the Coils Data Area, the ICON3000 MOD-RTU 1CH+RPT module implements the 11 coils. Status of Coils is indicated as 1 = ON and 0 = OFF. The following tables show the Coils implemented in the ICON3000 MOD-RTU 1CH+RPT module of ICON2000v4 and ICON3000.
  • Page 24 Section 7: Modbus I/O List Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 NOTICE “Open Command”, “Close Command”, “Stop Command”: “Open” and “Close” commands are self-maintained. If “Stop Command” is received, “Open command” and “Close command” are ignored. When “Stop Command”...
  • Page 25 MDE 258 Rev. 3 October 2022 Analog Inputs In the Analog Input Data Area, the ICON3000 Modbus RTU module implements the same 369 Input Registers available on ICON2000v4 and ICON3000. The following table shows the Input Registers implemented in the ICON3000 MOD-RTU 1CH+RPT module.
  • Page 26 Section 7: Modbus I/O List Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 ICON2000v4 legacy data block Input Register Input Register Description Range Value Eng. Unit Notes Number Address Bit Field: b15 = Hardware 10 b14 = Hardware 9 b13 = Hardware 8 b12 = Hardware 7 b11 = Hardware 6...
  • Page 27 Installation, Operation and Maintenance Manual Section 7: Modbus I/O List MDE 258 Rev. 3 October 2022 ICON2000v4 legacy data block Input Register Input Register Range Eng. Description Notes Number Address Value Unit Recent Log - Time Unsigned 32, MSB. without electrical power 0 - 65535 Hours See Note 1...
  • Page 28 Section 7: Modbus I/O List Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 ICON2000v4 legacy data block Input Register Input Register Range Eng. Description Notes Number Address Value Unit Alarm Log 2 - Code 0 - 32 See Note 3 BCD Format.
  • Page 29 Installation, Operation and Maintenance Manual Section 7: Modbus I/O List MDE 258 Rev. 3 October 2022 ICON2000v4 legacy data block Input Register Input Register Range Eng. Description Notes Number Address Value Unit Warning Log 3 - Code 0 - 13 See Note 5 Warning Log 3 - Date BCD Format.
  • Page 30 Section 7: Modbus I/O List Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 ICON2000v4 legacy data block Input Register Input Register Range Eng. Description Notes Number Address Value Unit Recent max. temperature of -127 - 127 °C motor Recent number of motor alarm 0 - 65535 Recent number of torque alarm 0 - 65535...
  • Page 31 Installation, Operation and Maintenance Manual Section 7: Modbus I/O List MDE 258 Rev. 3 October 2022 Values Description Mid travel alarm in open Hardware 1 Request Signal Direction Test Hardware 2 Hardware 3 Hardware 4 Hardware 5 Hardware 6 Hardware 7 Hardware 8 Hardware 9 Hardware 10...
  • Page 32 Section 7: Modbus I/O List Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 “Nominal Torque/Thrust”: These registers contain two types of data. The first register (address 95) contains the torque/thrust engineering unit in the first byte (MSB) and an ASCII character in the second byte (LSB). Other registers contain ASCII character, one character for each byte.
  • Page 33 October 2022 Holding Registers In the Holding Register Data Area, the ICON3000 MOD-RTU 1CH+RPT implements the same Holding Registers available on ICON2000v4, from Holding Register Number 23 to Holding Register Number 3474 the Holding Registers available on ICON3000 and, starting from Holding Register Number 3475, the new set of data.
  • Page 34 Section 7: Modbus I/O List Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 ICON2000v4 legacy data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address Reserved OBSERVER - Next Maintenance RW - USER BCD Format.
  • Page 35 Installation, Operation and Maintenance Manual Section 7: Modbus I/O List MDE 258 Rev. 3 October 2022 ICON3000 data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address 23 to 44 22 to 43 Reserved...
  • Page 36 Section 7: Modbus I/O List Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 ICON3000 data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address Bit Field: b15 = Manual Operation (Handwheel)
  • Page 37 Installation, Operation and Maintenance Manual Section 7: Modbus I/O List MDE 258 Rev. 3 October 2022 ICON3000 data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address Bit Field: b15 = General Warning b14 = Not Used...
  • Page 38 Section 7: Modbus I/O List Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 ICON3000 data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address Reset Alarms 3016 3015 RW 0 - 1...
  • Page 39 Installation, Operation and Maintenance Manual Section 7: Modbus I/O List MDE 258 Rev. 3 October 2022 ICON3000 data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address Bit Field: b2 - b 15 = Not Used...
  • Page 40 Section 7: Modbus I/O List Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 ICON3000 data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address Valve Tag Name 3061 3060 RW -...
  • Page 41 Installation, Operation and Maintenance Manual Section 7: Modbus I/O List MDE 258 Rev. 3 October 2022 ICON3000 data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address Alarm Log 1 - 3091 3090 0 - 32...
  • Page 42 Section 7: Modbus I/O List Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 ICON3000 data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address Warning Log 2 - 3121 3120 0 - 13...
  • Page 43 Installation, Operation and Maintenance Manual Section 7: Modbus I/O List MDE 258 Rev. 3 October 2022 ICON3000 data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address General Log - Unsigned 32, LSB. 3151...
  • Page 44 Section 7: Modbus I/O List Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 ICON3000 data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address Recent Log - Min. temperature of -127 -...
  • Page 45 Installation, Operation and Maintenance Manual Section 7: Modbus I/O List MDE 258 Rev. 3 October 2022 ICON3000 data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address Torque reference 3195 3194 profile in OP - OBSERVER BCD Format.
  • Page 46 Section 7: Modbus I/O List Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 ICON3000v2 legacy data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address 3474 - 3475 - 3480 Reserved OBSERVER - 3479 Enumerated:...
  • Page 47 Installation, Operation and Maintenance Manual Section 7: Modbus I/O List MDE 258 Rev. 3 October 2022 ICON3000v2 legacy data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address -40 - 3506 3505 Temperature °C OBSERVER - Motor -40 -...
  • Page 48 Section 7: Modbus I/O List Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 ICON3000v2 legacy data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address Bit Field: b10 - b15 = Not Used b9 = CW/CCW Not updated b8 = Encoder Communication 3522...
  • Page 49 Installation, Operation and Maintenance Manual Section 7: Modbus I/O List MDE 258 Rev. 3 October 2022 ICON3000v2 legacy data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address Modbus CH1 - 3533 3532 Slave message OBSERVER - 65535 counter...
  • Page 50 Section 7: Modbus I/O List Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 ICON3000v2 legacy data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address 1 = Execute Command 3556 3555 Wink Command RW 0 - 1 USER...
  • Page 51 Installation, Operation and Maintenance Manual Section 7: Modbus I/O List MDE 258 Rev. 3 October 2022 ICON3000v2 legacy data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address 2 Speed Timer - Enumerated: 3571 3570 Open Direction RW 0 - 1...
  • Page 52 Section 7: Modbus I/O List Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 ICON3000v2 legacy data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address Enumerated: 0 = Open limit 1 = Close limit 2 = Position >= % 3 = Position <= % 4 = Closing...
  • Page 53 Installation, Operation and Maintenance Manual Section 7: Modbus I/O List MDE 258 Rev. 3 October 2022 ICON3000v2 legacy data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address Enumerated: AS5 Relay 3593 3592 RW 0 - 1 USER 0 = Break Contact...
  • Page 54 Section 7: Modbus I/O List Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 ICON3000v2 legacy data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address 3616 3615 PST Travel RW 5 - 40 USER 5 = 5% 3617...
  • Page 55 Installation, Operation and Maintenance Manual Section 7: Modbus I/O List MDE 258 Rev. 3 October 2022 ICON3000v2 legacy data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address Enumerated: Modbus CH1 2 = Odd 3651 3650 RW 0 - 2...
  • Page 56 Section 7: Modbus I/O List Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 ICON3000v2 legacy data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address Enumerated: 3666 3665 Close Direction RW 0 - 1 USER 1 = CCW 0 = CW...
  • Page 57 Installation, Operation and Maintenance Manual Section 7: Modbus I/O List MDE 258 Rev. 3 October 2022 ICON3000v2 legacy data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address Bit Field: b3 - b15 = Not Used b2 = Alarm Led Local Controls - (0 = Red, 1 = Yellow)
  • Page 58 Section 7: Modbus I/O List Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 ICON3000v2 legacy data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address Actuator 3711 3710 RW - SERVICE ASCII Enclosure (11/14) Actuator...
  • Page 59 Installation, Operation and Maintenance Manual Section 7: Modbus I/O List MDE 258 Rev. 3 October 2022 ICON3000v2 legacy data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address Actuator 3736 3735 RW - SERVICE ASCII Lubricant (8/14) Actuator...
  • Page 60 Section 7: Modbus I/O List Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 ICON3000v2 legacy data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address Actuator Type 3766 3765 RW - SERVICE ASCII (10/14)
  • Page 61 Installation, Operation and Maintenance Manual Section 7: Modbus I/O List MDE 258 Rev. 3 October 2022 ICON3000v2 legacy data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address Torque Sensor F01 3791 3790 - Potentiometer RW 0 - 1023 - SERVICE Opening 100%...
  • Page 62 Section 7: Modbus I/O List Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 ICON3000v2 legacy data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address Enumerated: 6 = S9 5 = S4 / 25% / 3600 start/h 4 = S4 / 25% / 1200 start/h 3806 3805...
  • Page 63 Installation, Operation and Maintenance Manual Section 7: Modbus I/O List MDE 258 Rev. 3 October 2022 ICON3000v2 legacy data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address Torque Sensor I24 3830 3829 - Speed Closing RW 0 - 5000 rpm SERVICE 70% (+5%)
  • Page 64 Section 7: Modbus I/O List Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 ICON3000v2 legacy data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address Valve 3856 3855 Manufacturer RW - USER ASCII (3/14)
  • Page 65 Installation, Operation and Maintenance Manual Section 7: Modbus I/O List MDE 258 Rev. 3 October 2022 ICON3000v2 legacy data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address Valve Break to 3876 3875 Open Torque RW - USER ASCII...
  • Page 66 1 = F01 0 = ICON/XTE Enumerated: Logic Card 3912 3911 0 - 1 SERVICE 1 = Emerson Manufacturer 0 = Biffi Enumerated: 3913 3912 4 - 20 mA Card RW 0 - 1 SERVICE 1 = Present 0 = Absent 3914...
  • Page 67 Installation, Operation and Maintenance Manual Section 7: Modbus I/O List MDE 258 Rev. 3 October 2022 ICON3000v2 legacy data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address 3922 3921 Reversal Delay RW 5 - 50 SERVICE Direction Test 3923...
  • Page 68 Section 7: Modbus I/O List Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 ICON3000v2 legacy data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address Enumerated: 3946 3945 Selector Mode RW 0 - 1 SERVICE 1 = Local + Remote 0 = Local...
  • Page 69 Installation, Operation and Maintenance Manual Section 7: Modbus I/O List MDE 258 Rev. 3 October 2022 ICON3000v2 legacy data block Holding Holding Range Eng. User Register Register Description Notes Value Unit Level Number Address 3981 3980 Word Free 7 USER 65535 Set Close 0 is not a writable value, it’s...
  • Page 70 Section 7: Modbus I/O List Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 NOTES: “Actuator Commands”, “Actuator Commands 2”: It’s an enumerated register, the possible values are: Values Description Clear Commands Generate Close Command Generate Open Command ESD Command Enable Positioner Mode PST Command...
  • Page 71 Installation, Operation and Maintenance Manual Section 7: Modbus I/O List MDE 258 Rev. 3 October 2022 “Current Time”, “Log Start Time”, “Alarm Log 1 - Time”, “Alarm Log 2 - Time”, “Alarm Log 3 - Time”, “Alarm Log 4 - Time”, “Alarm Log 5 - Time”, “Warning Log 1 - Time”, “Warning Log 2 - Time”, “Warning Log 3 - Time”, “Warning Log 4 - Time”, “Warning Log 5 - Time”: These registers contain time data that are represented in BCD format.
  • Page 72 Section 7: Modbus I/O List Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 “Reset Alarms and Warnings” It’s always read as 0. Values Description No command Reset Alarms and Warnings command If it’s set to 1, it’s automatically cleared by the device. “Nominal Torque/Thrust”: These registers contain two types of data.
  • Page 73 Installation, Operation and Maintenance Manual Section 7: Modbus I/O List MDE 258 Rev. 3 October 2022 Values Description Hardware 3 Hardware 4 Hardware 5 Hardware 6 Hardware 7 Hardware 8 Hardware 9 Hardware 10 EFS Mid Travel Hardware 11 Hardware 12 Hardware 13 “Warning Log 1 - Code”, “Warning Log 2 - Code”, “Warning Log 3 - Code”, “Warning Log 4 - Code”, “Warning Log 5 - Code”:...
  • Page 74 “0” (0x030) to “9” (0x39). Always read as 0x0000. “Actuator Type”: These registers are available from ICON3000 MOD-RTU 1CH+RPT module firmware Revision 2.03. “nviFdiCmd”: By writing this register, the PLC can disable or re-enable the bus transceiver of either Input side or Output side.
  • Page 75 Installation, Operation and Maintenance Manual Section 7: Modbus I/O List MDE 258 Rev. 3 October 2022 “nviBypass” By writing this register, the PLC can disconnect the device from the network and bypass its internal repeater. When the node is in bypass mode it is not possible to communicate with it by bus. The bypass can be re-activated only by actuator local interface.
  • Page 76 MDE 258 Rev. 3 Section 8: Modbus Function Description The following paragraph describes the input and output messages of ICON3000 MOD-RTU 1CH+RPT module. In all cases it is called “input signal” a data flowing from actuator to bus, vice versa it is called “output signal” a data flowing from bus to slave.
  • Page 77 References 0x This function code is used to read the status of contiguous coils in a slave device. Status of coils is indicated as 1 = ON and 0 = OFF. ICON3000 MOD-RTU 1CH+RPT module has implemented 11 coils. If quantity of coils requested is less than 1 or more than 11, the Exception Code 03 (0x03) is generated.
  • Page 78 Exception Code 06 (0x06) is generated. Broadcast messages are not allowed. The list of the discrete inputs implemented in the ICON3000 MOD-RTU 1CH+RPT module is described in Section 7.1, Discrete Inputs. Example of a request to read discrete inputs 2 - 13 from device 18: Table 9.
  • Page 79 Exception Code 06 (0x06) is generated. Broadcast messages are not allowed. The list of the holding registers implemented in the ICON3000 MOD-RTU 1CH+RPT module is described in Section 7.4, Holding Registers. Example of a request to read Holding Registers 1 - 2 from device 13: Table 11.
  • Page 80 Exception Code 06 (0x06) is generated. Broadcast messages are not allowed. The list of the input registers implemented in the ICON3000 MOD-RTU 1CH+RPT module is described in Section 7.3. Example of a request to read Input Registers 5 - 16 (Address 4 - 15) from device 4: Table 13.
  • Page 81 Broadcast messages are allowed, no response is generated after a broadcast request. The list of the coils implemented in the ICON3000 MOD-RTU 1CH+RPT module is described in Section 7.2. See Section 11 for details about the writing rules of the Modbus data.
  • Page 82 (0x06) is generated. Broadcast messages are allowed, no response is generated after a broadcast request. The list of the holding registers implemented in the ICON3000 MOD-RTU 1CH+RPT module is described in Section 7.4. See Section 11 for details about the writing rules of the Modbus data.
  • Page 83 If slave device is engaged to complete a request from the logic card, Exception Code 06 (0x06) is generated. Broadcast messages are not allowed. The sub-functions implemented in the ICON3000 MOD-RTU 1CH+RPT Module are: 8.7.1 Sub-Function 00 (0x0000) Return Query Data Table 19.
  • Page 84 Section 8: Modbus Function Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 8.7.4 Sub-Function 13 (0x000D) Return Bus Exception Error Count The response data field returns the quantity of Modbus exception responses returned by the slave device since its last restart, clear counters operation, or power up. Only 0x0000 code is valid in the request data field, otherwise Exception Code 03 (0x03) is generated.
  • Page 85 Exception Code 06 (0x06) is generated. Broadcast messages are allowed, no response is generated after a broadcast request. The list of the coils implemented in the ICON3000 Modbus RTU module is described in Section 7.2, Coils.
  • Page 86 Exception Code 06 (0x06) is generated. Broadcast messages are allowed, no response is generated after a broadcast request. The list of the holding registers implemented in the ICON3000 Modbus RTU module is described in Section 7.4, Holding Registers.
  • Page 87 Exception Code 04 (0x04) is generated. If slave device is engaged to complete a request from the logic card, Exception Code 06 (0x06) is generated. Broadcast messages are not allowed. Tables 26, 27, and 28 describe the additional data field for ICON3000 and F01 actuators: Table 26. Additional Data Field for ICON3000 Actuator...
  • Page 88 Section 8: Modbus Function Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 Table 29. Response Field Name Value (HEX) Address Function Code Byte Count Slave ID Run Indicator Status Actuator Type (16 bytes) Actuator Serial Number (28 bytes) Valve Tag Name (28 bytes) Base Card SW Revision (4 bytes) Blank Characters (2 byte)
  • Page 89 Installation, Operation and Maintenance Manual Section 8: Modbus Function MDE 258 Rev. 3 October 2022 8.11.1 File Number 1: Not Contiguous Holding Registers The “Record Number” indicates the Holding Register Address, see Section 7.4 for details. Each register occupies one Record. Example of a reading request of the Holding Registers addresses 0, 1, 8, 9, 3002.
  • Page 90 Section 8: Modbus Function Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 8.11.2 File Number 2: Alarms Log Table 33 shows the Alarm Log file structure: Table 33. File Number Description Number of Alarms Stored Alarm 1 Date and Time (MSB) Alarm 1 Date and Time (LSB) Alarm 1 ID Alarm 2 Date and Time (MSB)
  • Page 91 Installation, Operation and Maintenance Manual Section 8: Modbus Function MDE 258 Rev. 3 October 2022 Value Description Hardware 2 Hardware 3 Hardware 4 Hardware 5 Hardware 6 Hardware 7 Hardware 8 Hardware 9 Hardware 10 EFS Mid Travel Hardware 11 Hardware 12 Hardware 13 Each Alarm occupies 3 Records.
  • Page 92 Section 8: Modbus Function Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 Table 36 shows the Warning ID values: Table 36. Value Description None Hi Torque in Opening Hi Torque in Closing Over Temperature Main Supply Max. Contactor Cycles Maintenance Request Motor Current Wrong Stroke Limits...
  • Page 93 Installation, Operation and Maintenance Manual Section 8: Modbus Function MDE 258 Rev. 3 October 2022 Table 38 shows the Password Level values: Table 38. Value Description Value Description Observer User Service Manufacturer Each connection occupies 32 Records. The file length is equal to (“Number of Connections Stored” * 64) + 2. 8.11.5 File Number 4: Connections Log File Number 1000 indicates the FST Open Torque Reference Curve.
  • Page 94 Section 8: Modbus Function Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 8.11.6 File Numbers from 2000 to 2100: FST Close Torque Curves File Number 2000 indicates the FST Close Torque Reference Curve. The FST Close Torque Curves from file number 2001 to 2100 are sorted by date. File Number 2001 indicates the most recent FST Close Curve.
  • Page 95 Installation, Operation and Maintenance Manual Section 8: Modbus Function MDE 258 Rev. 3 October 2022 Record Eng. Description Number Unit s/10 T-RET: Elapsed time to reach position 1% (Open PST) or position 99 % (Close PST) s/10 T-RET: Elapsed time to reach position 2% (Open PST) or position 98% (Close PST) s/10 T-RET: Elapsed time to reach position 3% (Open PST) or position 97% (Close PST) s/10...
  • Page 96 Section 8: Modbus Function Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 PST Status: Value Description b5 - b31 Not Used 1 = PST Reset 1 = PST Failed - OV-TR 1 = PST Failed - T-RET 1 = PST Failed - T-PST 1 = PST Passed PST Reset Conditions:...
  • Page 97 Installation, Operation and Maintenance Manual Section 8: Modbus Function MDE 258 Rev. 3 October 2022 8.11.8 File Numbers from 3500 to 3016: EFS Curves File Number 3500 indicates the EFS Reference Curve. The EFS Curves from file number 3501 to 3516 are sorted by date. File Number 3501 indicates the most recent EFS Curve.
  • Page 98 Section 8: Modbus Function Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 8.11.9 File Number 5000: Events Log Table 43 shows the Events Log File structure: Table 43. Record Number Description Number of Events Stored Recording Start Date and Time (MSB) Recording Start Date and Time (LSB) Memory Mode Event 1 Date and Time (MSB)
  • Page 99 Installation, Operation and Maintenance Manual Section 8: Modbus Function MDE 258 Rev. 3 October 2022 Table 46 shows the Event Source values: Table 46. Value Description None Bus Command Remote Command Local Command Position Calibration Torque Calibration Fail-safe Position Request from bus Position Request from 4 - 20 mA Input Serial/Bluetooth command Start Positioner Mode...
  • Page 100 Section 8: Modbus Function Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 8.11.10 File Number 5100: Recorders Log Table 47 shows the Recorders Log File structure: Table 47. Record Number Description Number of Recorders Stored Recording Start Date and Time (MSB) Recording Start Date and Time (LSB) Memory Mode Sample Interval...
  • Page 101 Installation, Operation and Maintenance Manual Section 8: Modbus Function MDE 258 Rev. 3 October 2022 8.11.11 File Number 5200: T-Recorders Log Table 49 shows the T-Recorders Log file structure: Table 49. Record Number Description Number of T-Recorders Stored Recording Start Date and Time (MSB) Recording Start Date and Time (LSB) Memory Mode Sample Interval...
  • Page 102 Section 8: Modbus Function Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 8.11.12 File Numbers from 5300 to 5304: Cards Report File Number 5300 indicates the Base Card Report. File Number 5301 indicates the 4 - 20 mA Card Report. File Number 5302 indicates the Terminal Board Card Report.
  • Page 103 The slave 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. ICON3000 MOD-RTU 1CH+RPT module has implemented the following Exception Codes: Table 52. Exception Code Name...
  • Page 104 The ICON3000 MOD-RTU 1CH+RPT module is an additional module that allows connecting the ICON3000 actuators family to a Modbus RTU fieldbus. Here below described are the facilities available by the view and setup menu of the actuator in which the ICON3000 MOD-RTU 1CH+RPT module is installed.
  • Page 105 Installation, Operation and Maintenance Manual Section 9: Configuration MDE 258 Rev. 3 October 2022 The following setting is supplied as standard: — DIN 1: mid travel position — DIN 2: local stop active — DIN 3: motor over-temperature (motor thermostat alarm) —...
  • Page 106 Section 9: Configuration Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 • Press YES if the configured value of the node address (NODE) is correct (from 1 - 247), or press NO to change, then press YES. •...
  • Page 107 Installation, Operation and Maintenance Manual Section 9: Configuration MDE 258 Rev. 3 October 2022 Alarm • Motor over-temperature • Over-torque • Over-torque in OP • Over-torque in CL • Valve jammed • Warnings • Valve jammed in OP • Valve jammed in CL •...
  • Page 108 Section 9: Configuration Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 Configuration Procedure • Move the local selector to OFF and then press simultaneously OPEN and STOP. Select the language and then enter the password according to the instructions “entering the set-up mode”.
  • Page 109 Installation, Operation and Maintenance Manual Section 9: Configuration MDE 258 Rev. 3 October 2022 Positioner Function The function is available only on the modulating actuators. The value 0 of position request received from BUS, corresponds to close request and the value 1000 corresponds to open request.
  • Page 110 Section 9: Configuration Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 Fail-Safe Function This function is available only if requested on order. It allows configuring the action of the actuator in case of loss of the BUS signal. The action takes place only if the local selector is in REMOTE and if BUS is operating.
  • Page 111 In case of loss of BUS signal, a warning is generated. It is signalled by the flashing of the relevant ALARM/WARNING LED and by indication on the local 2 lines/16 character display. Figure 16 shows the list of routines available in the ICON3000 view or setup menu. Figure 16...
  • Page 112 Section 10: Command Requirements Installation, Operation and Maintenance Manual October 2022 MDE 258 Rev. 3 Section 10: PST Command Requirements This addendum describes the configuration settings required to perform the PST command. PST command is performed by the actuator only if: EFS Input Mode (HR Addresses 3028 or 3610) = 0 →...
  • Page 113 Installation, Operation and Maintenance Manual Section 11: Writing Modbus I/O Data MDE 258 Rev. 3 October 2022 Section 11: Writing Modbus I/O Data On ICON3000v2 has been introduced a new security level: to modify the writable Modbus Data (Coils and Holding Registers), it’s necessary to correctly set the user and the password in the corresponding Holding Registers (addresses 3482, 3843, 3484, 3485 and 3486).
  • Page 114 VCIOM-16391-EN (PC-17024) ©2022 Biffi. All rights reserved. Biffi Italia s.r.l. Strada Biffi 165 The contents of this publication are presented for information purposes only, 29017 Fiorenzuola d’Arda (PC) and while every effort has been made to ensure their accuracy, they are not...