BONFIGLIOLI Vectron ACTIVE Manual
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BONFIGLIOLI Vectron ACTIVE Manual

Modbus communication with cm-232/cm-485/cm-485t. frequency inverter 230 v / 400 v
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ACTIVE and
ACTIVE Cube
Modbus communication
with CM-232/CM-485/CM-485T
Frequency Inverter 230 V / 400 V

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Summary of Contents for BONFIGLIOLI Vectron ACTIVE

  • Page 1 ACTIVE and ACTIVE Cube Modbus communication with CM-232/CM-485/CM-485T Frequency Inverter 230 V / 400 V...
  • Page 3 General Information about the Documentation The present supplement of the operating instructions refers to the frequency inverters of the ACT and ACU line. It contains necessary information for installation and use of the communication modules CM-232 and CM-485. In order to make it as easy as possible for the user to find his/her way through the documentation, it is structured according to the customer-specific demands made of the frequency inverter.
  • Page 4 Warning! The specifications and instructions contained in the documentation must be complied with strictly during installation and commissioning. Only qualified staff who has read the documentation and, in particular, the safety instructions carefully is allowed to carry out installation or commis- sioning work or to operate the frequency inverters.

  • Page 5: Table Of Contents

    TABLE OF CONTENTS General Safety Instructions and Information on Use ............ 5 General Information ....................5 Purpose of the Frequency Inverters ................ 5 Transport and Storage..................... 6 Handling and Installation ..................6 Electrical Connection ....................6 Information on Use....................7 Maintenance and Service..................
  • Page 6 6.7.1.3 Modbus Message RTU Framing................. 30 6.7.1.4 CRC Checking ....................30 6.7.2 ASCII Transmission....................33 6.7.2.1 Character Format .................... 33 6.7.2.2 Modbus Message ASCII Framing............... 33 6.7.2.3 LRC Checking....................34 Monitoring Timing Function .................. 35 Watchdog....................... 35 Handling of Data Sets/Cyclic Writing ................36 Modbus Message Examples..................

  • Page 7: General Safety Instructions And Information On Use

    General Safety Instructions and Information on Use The present documentation was prepared with great care and it was subjected to extensive and repeated reviews. For reasons of clarity, it was not possible to include all details of all types of the product in the documentation. Neither was it possible to consider all conceivable installation, operation or maintenance situations.

  • Page 8: Transport And Storage

    Transport and Storage The frequency inverters must be transported and stored in an appropriate way. During transport and storage the devices must remain in their original packaging. The units may only be stored in dry rooms which are protected against dust and moisture and are exposed to little temperature deviations only.

  • Page 9: Information On Use

    Information on Use Warning! The frequency inverter may be connected to power supply every 60 s. Consider this for a jog operation of a mains contactor. For commissioning or after an emergency stop, a non-recurrent, direct restart is permissible. After a failure and restoration of the power supply, the motor may start unexpectedly if the AutoStart function is activated.

  • Page 10: Introduction

    Introduction This document describes the Modbus protocol of the communication modules CM-232 with RS232 port and CM-485 with RS485 port. This protocol can be used alternatively to the VABus via the same hardware (CM-232/CM-485). Both protocols can not be operated at the same time. The Modbus operation modes RTU and ASCII are avail- able.

  • Page 11: Installation/Disassembly Of The Communication Module

    Installation/Disassembly of the communication module Installation The communication module is pre-assembled in a case. Additionally, a PE spring is enclosed for PE connection (shield). Caution! The frequency inverter must be disconnected from power supply before installation of the communication module. Assembly under voltage is not permissible and will destroy the frequency inverter and/or the communication module.

  • Page 12: Disassembly

    Disassembly • Disconnect the frequency inverter from mains voltage and protect it against being energized unintentionally. • Remove covers (1) and (2) of the frequency inverter. Loosen the M2 screw (7) at the communication module • • Unplug the communication module from Slot B (4) by unlocking the locking hooks (9) on the right and left side of the module from the case of the frequency in- verter using a small screwdriver.

  • Page 13: Plug Assignment/Bus Termination/Cable

    Plug Assignment/Bus Termination/Cable RS232 module CM-232 The RS232 interface is connected to a PC or a controller via the 9-pin D-Sub socket X310. The assignment complies with the standard, thus a RS232 connection cable (1:1) is required for con- nection only. X310 Part.

  • Page 14: Rs485 Module

    RS485 module • For the bus cable RS485, the twisted and shielded line is to be used The shield must be a harness shield (not a foil shield) • The shield is to be connected to PE properly on both sides. •...

  • Page 15: Bus Termination

    RS485 interface! As an alternative the active bus termination is possible via corresponding circuit: The active termination is only allowed once each branch. The bus termination via an external circuit and via DIP switch at the same time is not allowed.

  • Page 16: Startup

    Startup By default, the parameters of the communication modules CM-232 and CM-485 are set as follows: Parameter Settings Description Factory setting Protocol Type 0 - VCB bus protocol Watchdog Timer Parameter Settings Description Factory setting Baud Rate 4 - 19200 1375 Modbus Parity 0 –...
  • Page 17 For detailed information, see chapter 6 “Modbus over Serial Line Proto- col”. Note: The interface adapter KP232 operates with the BONFIGLIOLI VECTRON standard protocol VCB-Bus independent of the communication module CM-232 or CM-485 and can communicate with VPlus at any time.

  • Page 18: Rs232 Module Cm-232

    2 – None No Parity is used in transmission Attention! Baud rate and parity changes are only active after a reset of the fre- quency inverter via the software or Mains Off/On. In the case of the software reset, proceed as follows: Via the control unit KP500 or the control software VPlus open pa- •...

  • Page 19: Rs485 Module Cm-485

    300 m Attention! • All bus clients must be set to the same baud rate. Baud rate changes are only active after a reset of the frequency • inverter via the software or Mains Off/On. In the case of the software reset, proceed as follows: Via the control unit KP500 or the control software VPlus open •...

  • Page 20: Modbus Over Serial Line Protocol

    Modbus over Serial Line Protocol The Modbus protocol described in the following has been incorporated into the stan- dard ACT/ACU software of BONFIGLIOLI VECTRON. It defines and describes the communication via the serial interfaces RS232/RS485 using the Modbus RTU and ASCII transmission modes.

  • Page 21: Addressing Rules

    6.2 Addressing Rules Up to 247 frequency inverters can be used on a Modbus. These are assigned the addresses 1…247. By address 0, all clients can be addressed simultaneously. Address 0 is also referred to as the Broadcast Address. 6.3 Message Description A Modbus over serial line message is made up of the following fields: CRC (or LRC) Address...

  • Page 22: Supported Function Codes

    6.4 Supported Function Codes Modbus definitions for reading/writing data in a device do not fit directly to parame- ter access of inverters (independent of inverter manufacturer). Modbus is defined for reading/writing bits and registers in a different way. Furthermore, data access is limited to 16 bit wide data.
  • Page 23 Start Address This field is used to store the parameter number and data set number. The parame- ter number ranges from 0 - 1599 and is stored in the lower 12bits; the data set number ranges from 0 – 9 and is stored in the upper 4 bits. Example: Parameter 372 (hex.

  • Page 24: Function Code 6, Write 16-Bit Parameter

    6.4.2 Function Code 6, Write 16-bit Parameter This function code is used to write the value of an integer or unsigned integer pa- rameter in the inverter. Request: 0x06 Function Code 1 Byte 0x0000 – 0x963F Start Address (Data Set / Para-No.) 2 Bytes 0 –...

  • Page 25: Function Code 100, Read 32-Bit Parameter

    6.4.3 Function Code 100, Read 32-bit Parameter Request: 0x64 Function Code 1 Byte 0x0000 – 0x963F Start Address (Data Set / Para-No) 2 Bytes Response: 0x64 Function Code 1 Byte 0 – 0x FFFF FFFF Register Value (Parameter Value) 4 Bytes Exception Response: 0xE4 Error Code...

  • Page 26: Function Code 101, Write 32-Bit Parameter

    6.4.4 Function Code 101, Write 32-bit Parameter Request: 0x65 Function Code 1 Byte 0x0000 – 0x963F Start Address (Data Set / Para-No) 2 Bytes 0 – 0xFFFF FFFF Register Value (Parameter Value) 4 Bytes Response: 0x65 Function Code 1 Byte 0x0000 –...

  • Page 27: Function Code 8, Diagnostics

    6.4.5 Function Code 8, Diagnostics This function code is used to access the modbus diagnostic counters that are sup- ported by the inverter. Each counter can be obtained by a sub function code bound to the counter number. All of the counters can be cleared using the hexadecimal sub-function code 0x0A.
  • Page 28 Request (Sub function 0x0B – 0x12, Return Counter Value): Function Code 1 Byte 0x08 Sub function 2 Bytes 0x000B – 0x0012 Data 2 Bytes 0x0000 Response: Function Code 1 Byte 0x08 Sub function 2 Bytes 0x000B – 0x0012 Data (Counter Value) 2 Bytes 0 –...

  • Page 29: Exception Responses

    6.5 Exception Responses When the master device sends a request to the inverter it expects a normal re- sponse. One of four possible events can occur from the master’s query: If the inverter receives the request without a communication error and can han- dle the query normally, it returns a normal response.
  • Page 30 VABus SST Error Register Error no. Meaning no error inadmissible parameter value inadmissible data set parameter not readable (write-only) parameter not writable (read-only) read error EEPROM write error EEPROM checksum error EEPROM parameter cannot be written while the drive is running values of the data sets differ from one another wrong parameter type unknown parameter...

  • Page 31: The Two Serial Transmission Modes

    6.7 The two serial Transmission Modes Two different serial transmission modes are defined: the RTU mode and the ASCII mode. They define the bit contents of message fields transmitted serially on the line. They determine how information is packed into the message fields and de- coded.

  • Page 32: Modbus Message Rtu Framing

    6.7.1.3 Modbus Message RTU Framing A MODBUS message is placed by the transmitting device into a frame that has a known beginning and ending point. This allows devices that receive a new frame to begin at the start of the message, and to know when the message is completed. Partial messages must be detected and errors must be set as a result.
  • Page 33 Example for CRC calculating for the frame : “0x02 0x07” Start CRC 1111 1111 1111 1111 0xFFFF 1.char 0x02 0000 0000 0000 0010 ExOR 1111 1111 1111 1101 ⇒1 = ExOR 0111 1111 1111 1110 1.shift right 0xA001 1010 0000 0000 0001 ExOR...
  • Page 34 Example : program sequence (C#) private int Modbus_CRC(string frame) poly = 0xA001; // polynomal = 0xFFFF; // start CRC for (int i = 0; i < (int)(frame.Length); i++) // for each sign CRC ^= Convert.ToInt16(frame[i]); ExOR for (int j = 0; j < 8; j++) eight times ((CRC &...

  • Page 35: Ascii Transmission

    6.7.2 ASCII Transmission When devices are setup to communicate on a MODBUS serial line using 7-bit ASCII (American Standard Code for Information Interchange) mode, each 8 bit character in a message is sent as two ASCII characters. This mode is used when the physical communication link or the capabilities of the device does not allow the conformance with RTU mode requirements regarding timers management.

  • Page 36: Lrc Checking

    Intervals of up to one second may elapse between characters within the message. Unless the user has configured a longer timeout, an interval greater than 1 second means an error has occurred. A typical message frame is shown below. Address Function Data 1 char...

  • Page 37: Monitoring Timing Function

    6.8 Monitoring Timing Function The Modbus protocol defines a pure Master/Slave operation. If a frequency inverter is addressed by the bus master, other frequency inverters will only be addressed after the protocol with the first frequency inverter has been completed or the Time- out time has expired.

  • Page 38: Handling Of Data Sets/Cyclic Writing

    Handling of Data Sets/Cyclic Writing Access to the parameter values is carried out on the basis of the parameter number and the required data set. There are parameters which only have one data value (data set 0) as well as pa- rameters which have four data values (data sets 1...4).
  • Page 39 fieldbus : RS232 / 485, SystemBus ... 0 - 4 write 5 - 9 read 0 - 4 write inverter NVRam CPU function dataset 0 dataset 1 dataset 2 save copy dataset 3 dataset 4 0 - 4 write 0 - 4 read VPlus + KP500 05/08 Modbus Instruction manual...

  • Page 40: Modbus Message Examples

    Modbus Message Examples Modbus RTU-Message Examples 8.1.1 Function Code 3, Read 16-bit Parameter Example 1: Rated Speed Reading parameter 372 (0x0174) in data set 2 from the frequency inverter with address 1 Request: Master Frequency Inverter Field: Addr. Func. DSet/Par-No. No.

  • Page 41: Function Code 6, Write 16-Bit Parameter

    8.1.2 Function Code 6, Write 16-bit Parameter Example 1: Rated Mech. Power Writing parameter 376 (0x0178) in data set 4 to the frequency inverter with address 3. The rated mechanical power is to be set to 1.5 kW. Rated Mech. Power Parameter 376 has one decimal place.

  • Page 42: Function Code 100, Read 32-Bit Parameter

    8.1.3 Function Code 100, Read 32-bit Parameter Example 1: Fixed Frequency 2 Reading parameter 481 in data set 0 from the frequency inverter with address 1 Request: Master Frequency Inverter Field: Funct. DSet/Par-No. Response: Frequency Inverter Master Par-Value Field: Funct. The hexadecimal value sent is 0x000003E8 = 1000.

  • Page 43: Function Code 101, Write 32-Bit Parameter

    8.1.4 Function Code 101, Write 32-bit Parameter Example 1: Rated Frequency Writing parameter 375 (0x0177) in data set 2 from the frequency inverter with address 1 The rated frequency is to be set to 10.00Hz. Rated Frequency Parameter 375 has two decimal places. Therefore the value to be sent is 1000 = 0x03E8.

  • Page 44: Function Code 8, Diagnostics

    8.1.5 Function Code 8, Diagnostics Example 1a: Clearing all Diagnostic Counters (Sub function 0x0A) in the frequency inverter with address 1. Request: Master Frequency Inverter Field: Funct. Sub function Data Response: Frequency Inverter Master Field: Funct. Sub function Data The response is an echo of the request. All counters are now set to zero. Example 1b: With all counters set to zero, read Diagnostic Counter 4, "Slave Message Count"...

  • Page 45: Modbus Ascii-Message Examples

    Modbus ASCII-Message Examples 8.2.1 Function Code 3, Read 16-bit Parameter Example 1: Rated Speed Reading of parameter 372 (0x0174) in data set 2 from the frequency inverter with address 1 Request: Master Frequency Inverter Field Fct.Code DSet/Par-No. No. of Regs 30 31 Response: Frequency Inverter Master...

  • Page 46: Function Code 6, Write 16-Bit Parameter

    8.2.2 Function Code 6, Write 16-bit Parameter Example 1: Rated Mech. Power Writing parameter 376 (0x0178) in data set 4 to the frequency inverter with address 3. The rated mechanical power is to be set to 1.5 kW. Rated Mech. Power Parameter 376 has one decimal place.

  • Page 47: Function Code 100, Read 32-Bit Parameter

    8.2.3 Function Code 100, Read 32-bit Parameter Example 1: Fixed Frequency 2 Reading parameter 481 in data set 0 from the frequency inverter with address 1 Request: Master Frequency Inverter Field: Fct.Code DSet/Par-No. 30 31 Response: Frequency Inverter Master Field: Fct.Code Para-Value 30 31...

  • Page 48: Function Code 101, Write 32-Bit Parameter

    8.2.4 Function Code 101, Write 32-bit Parameter Example 1: Rated Frequency Writing parameter 375 (0x0177) in data set 2 to frequency in- verter with address 1 The rated frequency is to be set to 10.00Hz. Rated Frequency Parameter 375 has two decimal places. Therefore the value to be sent is 1000 = 0x03E8.

  • Page 49: Function Code 8, Diagnostics

    8.2.5 Function Code 8, Diagnostics Example 1a: Clearing all Diagnostic Counters (Sub function 0x0A) in the frequency inverter with address 1 Request: Master Frequency Inverter Field: Fct.Code Subfunction Data Response: Frequency Inverter Master Field: Fct.Code DSet/ Para-No. No. of Regs The response is an echo of the request.

  • Page 50: Act Inverter Control/Reference Value

    ACT Inverter Control/Reference Value The frequency inverter can be controlled completely via the serial interface. The fol- lowing parameters and actual values are used for this: Parameter Settings Name/Meaning min. max. fact. sett. type Control Word 0x0000 0xFFFF – uInt Status Word 0x0000 0xFFFF...
  • Page 51 414 is set to 1, 2, 3 or 4, the selected data set is activated via the bus. At the same time, data set change-over via the digital inputs is deactivated. Active Data Set Via parameter 249, the currently selected data set can be read out.

  • Page 52: Control

    Control 9.1.1 Control via Contacts Local/Remote In the operation mode "Control via Contacts" ( 412 = 0), the frequency inverter is addressed via the digital inputs S1IND ... S6IND, the multifunction input MFI1D as well as the additional inputs EM-S1IND … EM-S3IND (optional expansion modules).
  • Page 53 Status Word The parameter 411 has a length of 16 bits. The set bits have the follow- ing meaning: Status word Bit no. Function Ready for being switched on Switched on Operation - released Error Voltage - disabled Quick stop Starting lock-out Warning –...
  • Page 54 Bit 11 "Limit active" The bit Limit value active indicates that an internal limit is active. This may be the current limit, the torque limit or the overvoltage control. All functions result in the reference value being left or not reached.

  • Page 55: Control Via Control Word Of Statemachine

    0xnn at the transitions are the corresponding control word required (bit 0 … 7). The codes 0xnn indicated in the states, indicated the content of the status word (bit 0 ... bit 7). Sequence in Statemachine: Fault reaction active Not ready Fault for being switched on...
  • Page 56 After mains on (Reset), the inverter is in the state "Starting lock-out" (0x40). With transitions 4 and 5, there is a change between "Operation released“ (0x27, out- put stages released, drive working) and "Switched on“ (0x23, output stages disabled). The release (transition 4) is only possible if the controller release signal and the corre- sponding control command are present at digital external release AND (S2IND OR S3IND).
  • Page 57 Control Commands The device control commands are triggered by the following bit combinations in pa- Control Word rameter 410: Control Commands Control word Command Transition Bit 7 Bit 3 Bit 2 Bit 1 Bit 0 Shutdown 0x06 2, 6, 8 Switch on 0x07 Voltage - disable...
  • Page 58 0x07 Switched on 0x23 Operation released 0x27 Error 0x08 Fault reaction active 0x0F without consideration of bits 7…15! "X" means any value ("0" or "1") The shaded areas show the commands relevant to the simplified Statemachine. 05/08 Modbus Instruction manual...
  • Page 59 Bit 11 "Limit active" The bit Limit value active indicates that an internal limit is active. This may be the current limit, the torque limit or the overvoltage control. All functions result in the reference value being left or not reached.

  • Page 60: Behavior In Case Of Quick Stop

    9.1.2.1 Behavior in Case of Quick Stop Switch-Off Threshold In this case, the parameters 637 (percentage of parameter Maximum Frequency Holding Time 419) and 638 (holding time after the value drops below the switch-off limit) are relevant. In a quick stop, the drive is brought to a standstill via the emergency stop ramps Emergency Stop Clockwise Emergency Stop Anticlockwise 424 or...

  • Page 61: Behavior In State-Transition 5

    9.1.2.2 Behavior in state-transition 5 (from "Operation released" to "Switched on") The behavior in transition 5 (from “Operation released” to “Switched on”) can param- state-transition 5 eterized via parameter 392. state-transition 5 function Immediate transition from "Operation released" to 0 – Coast to Stop "Switched on", drive coasts to a standstill Activation of DC brake, at the end of DC deceleration, there 1 –...

  • Page 62: Control Via Remote Contacts

    9.1.3 Control via Remote Contacts Local/Remote In the operation mode Control via remote contacts ( 412 = 2), the fre- Control Word quency inverter is addressed via parameter 410. The digital inputs S1IND … S6IND and the multifunction input MFI1D of the frequency inverter as well as inputs EM-S1IND …...
  • Page 63 With the use of remote contacts the signal sources* are taken over from Note: the control word 410. Signals at the hardware contacts (terminals) are not evaluated by the standard operation modes (e.g. 71 for S2IND). For the evaluation of terminal signals special operation modes are avail- able.
  • Page 64 Bit 11 "Limit active" The bit Limit value active indicates that an internal limit is active. This may be the current limit, the torque limit or the overvoltage control. All functions result in the reference value being left or not reached.

  • Page 65: Reference Value

    Reference Value 9.2.1 Reference Frequency The following signal sources are available for determining the reference frequency: − External reference value as reference line value from bus Internal reference value from the reference frequency channel − Reference Frequency RAM The reference line value with the parameter name 484 is sent to the frequency inverter via the bus.
  • Page 66 Ramp Setpoint 434 = 3, the sign of the overall reference value is obtained from the addition of the reference frequency + the reference line value. Ramp Setpoint 434 = 2 (reference line value only), this reference line Note: value is limited to fmin. In this case, consider that the sign in front of fmin with reference value = 0 is derived from the sign in front of the last reference line value which was not 0.

  • Page 67: Reference Percentage

    9.2.2 Reference Percentage The following signal sources are available for determining the reference percentage: − External reference value as reference line value from bus Internal reference value from the reference percentage channel − Reference Percentage RAM The reference line value with the parameter name 524 is sent to the frequency inverter via the bus.

  • Page 68: Acu Inverter Control/Reference Value

    ACU Inverter Control/Reference Value The frequency inverter can be controlled completely via the serial interface. The fol- lowing parameters and actual values are used for this: Parameter Settings Name/Meaning min. max. fact. sett. type Control Word 0x0000 0xFFFF – uInt Status Word 0x0000 0xFFFF...
  • Page 69 414 Data set selection Data set selection With 414 = 0, the data set switch-over via digital inputs is active. Data set selection 414 has been set to 1, 2, 3, or 4, the data set selected in this way has been activated. The data set switch-over via the digital inputs is then dis- abled.

  • Page 70: Control Via Contacts/Remote Contacts

    The two control modes digital inputs and remote digital inputs facilitate the mode of operation “velocity mode” only. ACTIVE CUBE inverters support an external 24V supply for control logic. Even Note: if the mains are not switched on the communication between PLC and in- verter can be established.
  • Page 71 With the use of remote contacts the signal sources* are taken over from Note: the control word 410. Signals at the hardware contacts (terminals) are not evaluated by the standard operation modes (e.g. 71 for S2IND). For the evaluation of terminal signals special operation modes are avail- able.
  • Page 72 549 (see operating instructions). The bit Internal limit active "Bit No. 11" displays that an internal limit is active. This can, for example, be the present current limit, the torque limit or the over- voltage limit. All the functions lead to the reference value being quit or not reached.

  • Page 73: Control Via State Machine

    Configuration tions ( 30 = x40) only. Note: ACTIVE CUBE inverters support an external 24V supply for control logic. Even if the mains are not switched on the communication between PLC and inverter can be established. statusword The bit 4 “Voltage enabled”...
  • Page 74 State machine: from all states Entry in state machine Fault reaction active Not ready to switch on Fault Fault reset Switch on disabled Disable voltage Shutdown or Quick stop Enable Ready to operation switch on 4’ Disable voltage or Quick stop...
  • Page 75 (tolerance range), which can be set via the parameter 549 (see operating instructions). The bit Internal limit active “Bit No. 11” displays that an internal limit is active. This can, for example, be the present current limit, the torque limit or the over- voltage limit.

  • Page 76: Behavior In Quick Stop

    10.2.1 Behavior in quick stop Switch-off threshold Holding In this, the parameters 637 (percent of fmax) and time 638 (holding time after falling short of the switch-off threshold) are relevant. In Emergency stop a quick stop, the drive is shutdown via the emergency stop ramps ( clockwise Emergency stop anti-clockwise 424 or...

  • Page 77: Behavior In Transition 5

    10.2.2 Behavior in transition 5 The behavior in transition 5 from "Operation enabled" to "Switched on" can be param- State transition 5 eterized. The behavior is set via parameter 392. Parameter Setting Description Min. Max. Fact. sett. 392 State transition 5 Operation mode Function immediate...

  • Page 78: Reference Value/Actual Value

    10.2.3 Reference value/actual value The control (PLC) can set the frequency reference value for the frequency inverter via Reference Frequency RAM the parameter 484. The control (PLC) can set the percentage reference value for the frequency inverter Reference Percentage RAM via the parameter 524.
  • Page 79 Ramp set-point 434 = 2 (only reference line value), this reference line Note: value is limited to fmin. Please consider that the sign in front of fmin at reference value = 0 is derived from the sign in front of the last reference line value ≠...

  • Page 80: Parameter List

    Name/Meaning Unit Display range Chapter Internal Reference Frequency -1000.00 ... 1000.00 9.2.1, 10.2.3 Reference Percentage Value ± 300.00 9.2.2 Active Data Set – 1 ... 4 9, 10 Digital Inputs – 0 ... 255 9.1.3 Current Error – 0 ... 0xFFFF 9.1;...
  • Page 81 RS232 / RS485 Name/Meaning Unit Setting range Chapter RS232/RS485 Watchdog Timer 0 ... 10000 Data Set Change-Over Data Set Selection – 0 ... 4 9, 10 Frequency Ramps Emergency Stop Clockwise Hz/s 0.01 ... 9999.99 9.1.2.1, 10.2.1 Emergency Stop Anticlockwise Hz/s 0.01 ...

  • Page 82: Annex

    Annex 12.1 Warning Messages The various control methods and the hardware of the frequency inverter include func- tions which continuously monitor the application. In addition to the messages docu- mented in the frequency inverter operating instructions, further warning messages are activated by the RS232/RS485 communication modules CM-232/CM-485.

  • Page 83: Error Messages

    12.2 Error Messages Current Error Fault messages can be read out via parameter 260. The error code stored following a fault comprises the error group FXX (high-byte, hexadecimal) and the code YY (low-byte, hexadecimal). General Fault Message Code Meaning No fault has occurred. Overload Code Meaning...
  • Page 84 DC link voltage Code Meaning DC link voltage too high, check deceleration ramps and connected brake Resistor. DC link voltage too low, check mains voltage. Power failure, check mains voltage and circuit. Phase failure, check mains fuses and circuit. Reference DC-Link Limitation 680 too low, check mains voltage.

  • Page 85: Ascii Tabelle (0X00 - 0X7F)

    12.3 ASCII Tabelle (0x00 – 0x7F) Dec. Hex. Char. Dec. Hex. Char. Dec. Hex. Char. < > SPACE „ & Often used values are marked gray. Note: 05/08 Modbus Instruction manual 05/08 Modbus Instruction manual...
  • Page 88 Bonfiglioli has been designing and developing innovative and reliable power transmission and control solutions for industry, mobile machinery and renewable energy applications since 1956. www.bonfiglioli.com Bonfiglioli Riduttori S.p.A. VEC 383 R2 tel: +39 051 647 3111 fax: +39 051 647 3126 Via Giovanni XXIII, 7/A bonfiglioli@bonfiglioli.com 40012 Lippo di Calderara di Reno...

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