Fuji Electric frenic 5000g11s Instruction Manual
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Fuji Electric frenic 5000g11s Instruction Manual

Standard rs485 interface
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Instruction Manual

5000G11S/P11S
Standard RS485 Interface
Caution
! ! ! !
After reading and understanding this
instruction manual, install, connect
(wire), operate and maintain the
inverter.
Please consider to ensure that this
instruction manual reaches the
persons who actually use this
product.
Keep this instruction manual up to
disposing the inverter.
The product is subject to change for
improvement etc. without notice.
Fuji Electric Co., Ltd.
INR-HF51190a-E

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  • Page 1: Instruction Manual

    Please consider to ensure that this instruction manual reaches the persons who actually use this product. Keep this instruction manual up to disposing the inverter. The product is subject to change for improvement etc. without notice. Fuji Electric Co., Ltd. INR-HF51190a-E...
  • Page 2 Edition history Edition Content Date of issue Mar. 1999 First edition –...
  • Page 3 Foreword This instruction manual describes the communication specification when the inverter FRENIC5000G11S/P11S series is controlled through serial transmission from a host unit such as personal computer or PLC. Read this instruction manual and the instruction manual of the inverter, understand the treatment method before use, and use this unit correctly.

  • Page 4: Table Of Contents

    －Contents－ 1 Outline ................................. 4 1-1 Features ..............................4 1-2 Function overview ............................. 4 2 Transmission specification........................... 4 3 Connection ................................5 3-1 Connection method ........................... 5 3-2 RS485 ............................... 5 3-3 Example of connection ..........................6 3-4 Example of noise prevention ........................6 4 Transmission method ............................

  • Page 5: Outline

    1 Outline 1-1 Features - A host unit can be connected up to 31 inverters. - Because a common protocol for FRENIC5000G11S/P11S series is adopted, the similar program in host unit can operate all inverter of the series. (The parameter specifications may differ for each unit type.) - Because adopting the transmission frame of fixed length, the program on the host is facilitated.

  • Page 6: Connection

    3 Connection 3-1 Connection method Use shielded wires (Recommended cable: Refer to 2. Transmission specification) and connect the wires between the control terminals (DX+, DX- and SD) of the inverter and the host unit so as to surely become drawing in one stroke. Be sure to wire after power supply off.

  • Page 7: Example Of Connection

    3-3 Example of connection Host unit Host unit RS232C RS485 (4-wire) TXD RXD SD OUT- OUT+ Terminating resistor (100Ω Ω Ω Ω ) RS232C/RS485 converter Shield FRENIC5000-G11S Product on the market TRD+ Inverter 1 (2-wire type) TRD- Address 01 Using integrated terminating resistor (100Ω) FRENIC5000-G11S...

  • Page 8: Transmission Method

    4 Transmission method The polling/selecting system is applied to the response message feature. The inverter is always waiting the selecting (writing request) and polling (reading request) from the host unit. When the inverter receives a request frame from the host during waiting state and judges for it to be a correct receiving, the inverter processes for the request and returns an affirm response frame (in a case of polling, returning the data together with the affirm response frame).

  • Page 9: Standard Frame

    4-1-1 Standard frame Request frame [Host ⇒ Inverter] Com- SOH Station address ENQ Type Function code SP Data mand (byte) Area included to BCC Value Byte Field Description ASCII type Hexadecimal Start of header Station address ’0’–’3’, ’9’ –33 Station address of inverter (Decimal: ×10) ’0’–’9’...
  • Page 10 ACK response frame [Inverter ⇒ Host] Com-m SOH Station address ACK Type Function code Data Polarity (byte) Area included to BCC Value Byte Field Description ASCII type Hexadecimal Start of header Station address ’0’–3’, ’9’ –33 , 39 Station address of inverter (Decimal: ×10) ’0’–’9’...
  • Page 11 NAK response frame [Inverter ⇒ Host] Com-m SOH Station address NAK Type Function code SP Data (byte) Area included to BCC Value Byte Field Description ASCII type Hexadecimal Start of header Station address ’0’–’3’, ’9’ –33 , 39 Station address of inverter (Decimal: ×10) ’0’–’9’...

  • Page 12: Option Frame

    4-1-2 Option frame Selecting request frame [Host ⇒ Inverter] Com-m SOH Station address ENQ Data (byte) Area included to BCC Value Byte Field Description ASCII type Hexadecimal Start of header Station address ’0’–’3’,’9’ –33 , 39 Station address of inverter (Decimal: ×10) ’0’–’9’...
  • Page 13 Polling request frame [Host ⇒ Inverter] Com-m SOH Station address ENQ (byte) Area included to BCC Value Byte Field Description ASCII type Hexadecimal Start of header Station address ’0’–’3’, ’9’ –33 , 39 Station address of inverter (Decimal: ×10) ’0’–’9’ –39 Station address of inverter (Decimal: ×1) Transmission request...

  • Page 14: Negative Response Frame

    4-1-3 Negative response frame As for a response frame changing its length depending on the command sort, it is made basic to respond with the frame length specified by the command if the command sort character is normally recognized. Frame/command sort Cause of the error Negative response frame Error code （...

  • Page 15: Field Description

    4-2 Field description 4-2-1 Data field Special added data 1st character 2nd character 3rd character 4th character Standard frame Option frame 1st character 2nd character 3rdt character 4th character All data except partial special data are treated with 16 bits length. In the data field of communication frame, data use hexadecimal notation (0000 –...

  • Page 16: Procedure On The Host Side

    4-3 Procedure on the host side As for the communication procedure of frames, follow the flow chart of each procedure. Be sure to send next frame after recognizing the response in both writing and reading. If response from the inverter does not return exceeding a definite time, judge as time-out and execute retry. (When stating retry before time-out, the request frame cannot be normally received.) Time-out Command...

  • Page 17: Selecting Procedure

    4-3-2 Selecting procedure Start Send request frame Detect transmission abnormal Receive response frame? Send again with normal ACK response? format. Send again with normal Format error command. Cannot operate via this communication when connecting Command error? link option. Cannot write during writing function data from link option Priority of link? Send again with normal...

  • Page 18: Example Of Communication

    4-4 Example of communication Typical examples of communication are shown as follows. (The station address are made 12.) 4-4-1 Standard frame [1] S05: Selecting frequency command (writing) Request frame (host ⇒ inverter) ･･･････････ 40.00 Hz command ACK response frame (inverter ⇒ host) NAK response frame (inverter ⇒...

  • Page 19: Communication Error

    4-5 Communication error The errors detected by inverter as relating to communication are roughly categorized into transmission error, logic error and communication interrupt error, and the treatment at detecting error differs respectively. At detecting the transmission error (error codes 71 – 73), the information using with a negative response frame is not performed.
  • Page 20 In a case of H32=0 (Mode of immediate forced stop at occurring communication error) Error Alarm reset Communication Normal Normal state Display Normal Communication failure Command from RS485 Setting frequency Operation command Operation Stop Operation Internal Setting operation frequency of inverter Coast-to-stop Output frequency...
  • Page 21 In a case of H32=2, H33=5.0 s (The communication does not restore after elapsing 5 s from occurring error, and inverter trips Er8.) Error Alarm reset Communication Normal Normal state Normal Display 5.0s Command from RS485 Setting frequency Operation command Operation Stop Operation...
  • Page 22 In a case of H32=3 (When a communication error occurs, the operation continues) Error Communication Normal Normal state Normal Display Command from RS485 Setting frequency Operation command Operation Internal Setting operation frequency of inverter Output frequency Continue operation keeping the setting at occurring transmission error Warning There is possibility that stop command through RS485 cannot be recognized when a...

  • Page 23: Functions Specific For Communication

    5 Functions specific for communication To operate the inverters or to monitor the state via communication, the following functions are specifically available for communication in addition to the functions for parameter change of the inverters. These functions adopted the common data format applicable to the types on and after G11/P11 series, so that it is possible to access to the different type by the same program on the host side.

  • Page 24: Function Data

    5) When the operation command is instructed through the communication, the relation to the inverter terminal commands becomes as follows. Function Command Symbol Name Classification Transmission Terminal block Operation FWD/REV FWD/REV command command Valid Invalid 0–3 Multistep freq. selection SS1，2，4，8 4, 5 ACC/DEC time selection RT1，RT2...

  • Page 25: Monitoring Data

    5-4 Monitoring data Code Description Unit Range Min. unit Read/Write Setting frequency -20000–20000 (Final data) (Maximum frequency at ±20000) Setting frequency 0–400.00 (P11S: 0.00–120.00) 0.01 (Final data) Output frequency 1 -20000–20000 (Maximum frequency at ±20000) Torque calculation value -200.00–200.00 0.01 Torque current -200.00–200.00 0.01...

  • Page 26: Function Data Format

    6 Function data format The data formats for various function data of the inverters are defined here. The data shall be prepared according to the following data format specifications. The instruction manual of inverter shall be referred to for the range and unit of data. 6-1 List of function data format Code Name...
  • Page 27 Code Name Data format Code Name Data format C01 Jump frequency 1 H03 Data initializing [1] *3 C02 Jump frequency 2 H04 Auto-reset (Times) C03 Jump frequency 3 H05 Auto-reset(Reset interval) C04 Jump frequency (Width) H06 Fan stop operation C05 Multi-step frequency 1 H07 ACC/DCC pattern (Mode selection) C06 Multi-step frequency 2 H08 Reverse phase sequence lock...
  • Page 28 Code Name Data format Code Name Data format o01 Speed command system / automatic speed control system [18] M01 Setting frequency (Final data) o02 Time constant of PG vector and speed command filter M05 Setting frequency (Final data) o03 Number of feedback PG pulses M06 Output frequency 1 o04 Constant P of feedback speed controller M07 Torque calculation value...

  • Page 29: Data Format Specification

    6-2 Data format specification All data within the data field of the communication frame except data format [19] shall be represented by ASCII code of 4 digits converted from 16 bits binary data length. 16-bits binary data ⇒ 4 digits ASCII code Data format [1] Integer data (Positive): Min.
  • Page 30 Data format [9] Integer data (Positive): Min. unit 2 Example) If "P01:Motor 1 (number of poles)" = 2 poles, ⇒ Since 2 = 0002 Data format [10] Alarm code Code Description Code Description No alarm PG error Overcurrent (During acceleration) Memory error Overcurrent (During deceleration) KEYPAD panel communication error...
  • Page 31 Data format [12] Exponential data (ACC/DEC time, current value, display coefficient) Index potion Data portion Polarity Not used × × × × 0: 0.01 001–999 (0.00 – 9.99) 1: 0.1 × × × × 100–999 (10.0 – 99.9) × × × × 2: 1 100–999 (100 –...
  • Page 32 Data format [14] Operation command REV FWD Alarm reset Not used Multi-function command FWD:Forward rotation command command REV: Reverse rotation command (All bits are ON by 1) Example) If "S06:Operation command" ＝ FWD, X1, X5 = ON ⇒ 0000 0000 0100 0101 = 0045 Data format [15] Y1-Y5 output terminal...
  • Page 33 Data format [17] Type code Unit type Generation Series Voltage series Code Type Generation Series Voltage series 11th series For Japan 100V single phase For Asia 200V single phase For China 200V three phase For Europe 400V three phase For USA 575V three phase Data format [18] Code setting (1 –...

  • Page 34: Changeover Of Communications

    7 Changeover of communications n order to perform the inverter operation through the communication (by command data and operation data), the communication should be made valid under the condition that 1–3 of "H30: Serial link (Function selection)” has been selected. (The reading and writing of function data and functions are possible in any time regardless the communication valid or invalid).

  • Page 35: Link Function (Operation Selection)

    7-2 Link function (operation selection) The setting (valid/invalid) for command data and operation data during the communication valid period is possible individually by the setting of " H30: Serial link (Function selection)". (By making the communication always valid without setting at the multi-function terminals, changeover for the H30 data valid/invalid can change over the communication valid/invalid, similar to the changeover with multi-function command terminals.) Link function During communication is valid...

  • Page 36: Response Time

    8 Response time Host Query Query Response Response Inverter Host Broadcast Broadcast Broadcast Inverter 8-1 Response interval time The time till start of response sending after receiving a query from the host such as PLC and PC can be set. By means of the response interval time setting, it is possible to match the sending timing even with the host having slow processing speed.

  • Page 37: Function

    M O D E Ｈ Ｈ Ｈ Ｈ ３ ３ ３ ３ ２ ２ ２ ２ 9 Function T I M E R Ｈ Ｈ Ｈ Ｈ ３ ３ ３ ３ ３ ３ ３ ３ Serial link (Function selection) Setting Processing at transmission error ♦...

  • Page 38: Troubleshooting

    (Refer to the manual of specification. the converter) converter is correct? Review the connection Is the wiring correct? Contact Fuji Electric. method, and check connection of the terminating resistor and cable s the recommended RS485 Use the recommended...

  • Page 39: Appendix

    11 Appendix 11-1 Communication level converter A communication level converter of product on the market is necessary for connection with a device provided RS232C as a serial interface. To correctly use, be sure to use the converter fulfilling the following specification. ♦Specification of the recommended communication level converter - Changeover method of sending/receiving ･･････...

  • Page 40: Example Of A Control Program

    11-3 Example of a control program Sample program of QBasic (for MS-DOS) for reading/writing "F03: Maximum frequency 1" is shown as follows. ［QBasic is in ¥Other¥Oldmsdos¥ in the CD-ROM of Microsoft Windows 95.］ 100 'SAMPLE PROGRAM(MS- - - - DOS QBasic) 100 'SAMPLE PROGRAM(MS DOS QBasic) 100 'SAMPLE PROGRAM(MS...
  • Page 41 Fuji Electric Co.,Ltd. ED&C and Drive Systems Group Gate City Ohsaki, East Tower, 11-2, Osaki 1-chome Shinagawa-ku, Tokyo 141-0032, Japan Phone: 3-5435-7139 Fax: 3-5435-7460...

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