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Fuji Electric FRENIC-AQUA series User Manual

Rs-485 communication
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  • Page 1 24A7-E-0021...
  • Page 2 RS-485 Communication User's Manual...
  • Page 3 Copyright © 2012 Fuji Electric Co., Ltd. All rights reserved. No part of this publication may be reproduced or copied without prior written permission from Fuji Electric Co., Ltd. All products and company names mentioned in this manual are trademarks or registered trademarks of their respective holders.
  • Page 4 Preface Using the RJ-45 connector (modular jack) designed for keypad connection or the control circuit terminal block on the inverter unit enables functionality expansion for RS-485 communication. The RJ-45 connector also makes it possible to operate the keypad at a remote site. This manual describes the functionality expansion.

  • Page 5: Safety Precautions

    Safety Precautions Prior to installation, connection (wiring), operation, maintenance or inspection, read through this user's manual as well as the instruction and installation manuals to ensure proper operation of the product. Familiarize yourself with all information required for proper use, including knowledge relating to the product, safety information, and precautions.

  • Page 6: Table Of Contents

    Table of Contents CHAPTER 1 OVERVIEW 1.1 Features ........................... 1-1 1.2 List of Functions ........................1-3 CHAPTER 2 COMMON SPECIFICATIONS 2.1 Specifications of RS-485 Communications ................2-1 2.1.1 RJ-45 connector (modular jack) specifications ..............2-3 2.1.2 Terminal block specifications ................... 2-4 2.1.3 Connection cable specifications..................
  • Page 7 CHAPTER 4 FUJI GENERAL-PURPOSE INVERTER PROTOCOL 4.1 Messages ..........................4-1 4.1.1 Message formats......................4-1 4.1.2 Transmission frames......................4-2 4.1.3 Descriptions of fields...................... 4-11 4.1.4 Communications examples.................... 4-13 4.2 Host Side Procedures ......................4-15 4.2.1 Inverter's response time....................4-15 4.2.2 Timeout processing......................4-16 4.2.3 Receiving preparation complete time and message timing from the host .....
  • Page 8 CHAPTER 1 OVERVIEW This chapter describes the functions that can be realized by performing RS-485 communications. Table of Contents 1.1 Features ........................... 1-1 1.2 List of Functions ........................1-3...

  • Page 10: Features

    1.1 Features Features The functions listed below can be implemented using RS-485 communications. The keypad can be mounted on the easy-to-access front of control panel with an extension cable (option). The function code data of the inverter can be edited and the operation status of the inverter can be monitored by connecting it to a personal computer on which inverter support software runs (see the "FRENIC Loader Instruction Manual").
  • Page 11 - Since the protocol switches to the keypad dedicated protocol automatically by connecting the keypad, it is not necessary to set up the communications-related functions. - Although the FRENIC Loader uses a dedicated protocol for loader commands, part of the communications conditions must be set. (For further information, see the "FRENIC Loader Instruction Manual.")

  • Page 12: List Of Functions

    1.2 List of Functions List of Functions The functions listed below become available by operating the appropriate function codes from the host controller. The chapters that follow describe these functions in detail. Table 1.1 List of RS-485 communications functions Related Function Description function...
  • Page 14 CHAPTER 2 COMMON SPECIFICATIONS This chapter describes the specifications common to the Modbus RTU protocol, Fuji general-purpose inverter protocol, Metasys N2, BACnet, and loader protocol. For further information about the specific specifications of each protocol, see Chapter 3 "Modbus RTU Protocol" and Chapter 4 "Fuji General-purpose Inverter Protocol."...

  • Page 16: Specifications Of Rs-485 Communications

    2.1 Specifications of RS-485 Communications Specifications of RS-485 Communications Table 2.1 shows the specifications of RS-485 communications. Table 2.1 RS-485 communications specifications Item Specification Protocol FGI-BUS Modbus RTU Loader commands Complying with Fuji general-purpose Modicon Modbus Special commands inverter protocol RTU-compliant (only in dedicated to inverter RTU mode only)
  • Page 17 Table 2.1 RS-485 communications specifications (continued) Item Specification Protocol Metasys N2 BACnet Complying with Metasys N2 developed by Johnson ANSI/ASHRAE Standard 135-1995 Controls Host device: 1 No. of supporting Inverters: up to 31 stations Physical level EIA RS-485 Connection to Connect using the RJ-45 connector or terminal block RS-485 Synchronization...

  • Page 18: Rj-45 Connector (Modular Jack) Specifications

    2.1 Specifications of RS-485 Communications 2.1.1 RJ-45 connector (modular jack) specifications The table below lists the pin assignment of the RJ-45 connector (modular jack, designed for keypad connection). Pin No. Signal name Function Remarks 1, 8 Power source for the keypad 2, 7 Reference voltage level Ground (0 V)

  • Page 19: Terminal Block Specifications

    2.1.2 Terminal block specifications The terminal for RS-485 communications port 2 is provided in the control circuit terminals of the inverter. The table below shows the code, name, and function of each terminal. These terminals can be easily connected with the multi-drop circuit. Terminal Terminal name Function description...

  • Page 20: Connection Cable Specifications

    2.1 Specifications of RS-485 Communications 2.1.3 Connection cable specifications [ 1 ] RJ-45 connector The specification of the connection cable is as follows to ensure the reliability of connection. Specifications Common specifications Straight cable for 10BASE-T/100BASE-TX, satisfying the US ANSI/TIA/EIA-568A category 5 standard (commercial LAN cable) Extension cable for remote Same as above, 8-core, 5 m long, RJ-45 connector (both...

  • Page 21: Connections

    Connections 2.2.1 Basic connection When connecting the keypad with the inverter or connecting the inverter with a host such as personal computer or PLC, use a standard LAN cable (straight for 10BASE-T). A converter is necessary to connect a host not equipped with RS-485 interface. (1) Connection with the keypad The figure below shows the method of connecting the keypad to the keypad connector of the inverter.
  • Page 22 2.2 Connections (2) Connection with the inverter support software FRENIC Loader (computer) (when connecting with the USB port via a recommended converter) Figure 2.2 Connection with a computer Converter: USB-485I, RJ45-T4P (Refer to Section 2.2.3 "Connection devices.") Cable 1: USB cable supplied with the converter Cable 2: extension cable for remote operations (CB-5S, CB-3S, or CB-1S) or commercial LAN cable...
  • Page 23 (3) Connection 1 to host (Multi-drop connection using the RJ-45 connector) The figure below shows a connecting example to the multi-drop circuit with RJ-45 connector. RJ-45 needs a multi-drop branch adaptor as an external device for relaying. The adaptor for relaying is not necessary for the inverter with RJ-45 connector for function expansion.
  • Page 24 2.2 Connections (4) Connection 2 to host (Multi-drop connection using terminal block) The figure below shows a connecting example to the multi-drop circuit with the terminal block. Turn on the terminating resistor insertion switch on the terminating inverter. Figure 2.4 Multidrop connection diagram (terminal block connection) For the switch used to insert the terminal resistance, refer to Section 2.2.2 "Connection notes, [2] About terminating resistors."...

  • Page 25: Connection Notes

    2.2.2 Connection notes This section describes the knowledge necessary for connecting with a host. [ 1 ] RJ-45 connector (modular jack) pin layout To facilitate connection with a standard device, the RJ-45 connector (for keypad connection) on the inverter unit has two pairs of pin arrays conforming to the 4-pair arrangement.
  • Page 26 2.2 Connections [ 2 ] About terminating resistors Insert a terminating resistor (100 to 120Ω) into both ends of the connection cable. This allows controlling signal reflection and reducing noises. Be sure to insert a terminating resistor into the terminating host side and the side of the device connected to the final stage, in short, both the terminating devices configuring the network.
  • Page 27 [ 3 ] Connection with a four-wire host Although the inverter uses two-wire cables, some hosts adopt only four-wire cables. Connect to such a host by connecting the driver output with the receiver input with a crossover cable on the host side to change the wiring method to two-wire.

  • Page 28: Connection Devices

    2.2 Connections 2.2.3 Connection devices This section describes the devices necessary for connecting a host not equipped with RS-485 interface, such as a computer, or for multidrop connection. [ 1 ] Converter In general, personal computers are not equipped with an RS-485 port. An RS-232C to RS-485 converter or USB to RS-485 converter is therefore required.

  • Page 29: Measures Against Noise

    2.2.4 Measures against noise Depending on the operating environment, normal communications cannot be performed or instruments and converters on the host side may malfunction due to the noise generated by the inverter. This section describes measures to be taken against such problems. Consult Appendix A "Advantageous Use of Inverters (Notes on electrical noise)"...
  • Page 30 2.2 Connections Separating the grounding Do not ground instruments and the inverter together. Noise may conduct through the grounding wire. Use as a thick wire as possible for grounding. Isolating the power supply Noise may carry through the power supply line to instruments. It is recommended that the distribution system be separated or a power isolation transformer (TRAFY) or noise suppression transformer be used to isolate the power supply for such instruments from the power supply for the inverter.

  • Page 31: Switching To Communications

    Switching to Communications 2.3.1 Functions for the switching Figure 2.9 below shows a block diagram via communications for frequency setting and run commands. This block diagram indicates only the base of the switching section, and some settings may be given higher priority than the blocks shown in this diagram or details may be different due to functional expansion and so on.

  • Page 32: Link Functions (Mode Selection)

    2.3 Switching to Communications 2.3.2 Link functions (Mode selection) The setting of function code H30 (Communications link function, Mode selection) selects the frequency command and run command sources (via communications link or from the terminal block) to be applied when the communications link is enabled. The setting is influenced by the settings of y98 and y99.

  • Page 33: How To Switch Communications Enabled/Disabled

    2.3.3 How to switch communications enabled/disabled To issue a frequency setting or operation command through communications to control the inverter, select "Through RS-485 communications" by function code H30: link function (operation selection). In addition, when switching control through communications with control from the terminal block (frequency setting from terminal [12], operation command from terminal [FWD] and so on) to switch remote operations with operations on the inverter body, assign "link operation selection"...

  • Page 34: Loader Link Functions (Mode Selection)

    2.3 Switching to Communications 2.3.4 Loader link functions (Mode selection) The setting of function code y99 (Loader link function, Mode selection) selects the frequency command and run command sources (via communications link or as specified with H30 and y98) to be applied when the communications link is enabled. - Function code y99 is designed for inverter support software such as FRENIC Loader, and forcibly makes communications valid without changing the setting of H30.

  • Page 35: Making Rs-485-Related Settings

    Making RS-485-related Settings 2.4.1 Link function (RS-485 setting) Use function codes (y01 to y10 and y11 to y20) to make settings for RS-485 communications functions. y01 to y10 are for port 1 and y11 to y20, for port 2. Station address (y01, y11) Set a station address for RS-485 communications.
  • Page 36 2.4 Making RS-485-related Settings Table 2.9 Baud rate Baud rate (y04, y14) Data Baud rate Set a baud rate. 2400 bps - Setting when FRENIC Loader is connected 4800 bps Match the baud rate with that of the computer. 9600 bps 19200 bps 38400 bps Table 2.10 Data length...
  • Page 37 Table 2.13 No response error No response error detection time (y08, y18) detection time In a system designed to be sure to access a Data Function station (inverter) managed by a host within a No response error specific period of time, access may be lost during detection disabled RS-485 communications due to wire disconnec- 1 to 60...

  • Page 38: Selecting Data Clear Processing For Communications Error

    2.5 Selecting Data Clear Processing for Communications Error Selecting Data Clear Processing for Communications Error Use function code y95 If the inverter causes an alarm due to a communications error* (including a bus link error), it can zero-clear communication commands stored in the memory as specified by y95. *Object errors: Er8, ErP, Er4, Er5 and ErU Data for y95 Function...
  • Page 39 2-24...

  • Page 40: Messages

    CHAPTER 3 Modbus RTU PROTOCOL This chapter describes the Modbus RTU protocol, as well as the host side procedure for using this protocol and error processing. The Modbus RTU protocol was a set of specifications developed in the United States. In this chapter, the terms in the specifications are accompanied by English ones as much as possible.

  • Page 42: Messages

    3.1 Messages Messages 3.1.1 Message formats The regular formats for transmitting RTU messages are shown below: Inverter's response time (Slave Turn-around Time) Host Query message Query transaction (master) Inverter Response (slave) Host Broad cast transaction Broadcast message (master) Inverter No response (slave) If the inverter receives from the host a message in the standby status and considers it properly received, it executes a transaction in response to the request and sends back normal response.

  • Page 43: Message Frames

    3.1.3 Message frames As shown below, a transmission frame consists of four blocks, which are called fields. Details depend on FC (RTU function codes). To make a clear distinction between RTU function codes and the inverter's function codes, the former will be hereinafter referred to as 'FC'. 1 byte 1 byte Up to 105 bytes...
  • Page 44 3.1 Messages Character format Each byte of a message is transmitted as a character. Character formats are described on the following page. A character comprises a start bit (logical value 0), 8-bit data, an additional (optional) parity bit, and a stop bit (logical value 1). A character always consists of eleven bits, and the number of stop bits varies depending on whether parity exists.

  • Page 45: Message Categories

    3.1.4 Message categories There are eight RTU message categories; read holding registers, preset single register, preset multiple registers, diagnostics, read coil status, force single coil, force multiple coils and error response. Each category is described below: [ 1 ] Read holding registers Query 1 byte 1 byte...
  • Page 46 3.1 Messages Table 3.2 Function code group/code conversion table Group Code Name Group Code Name Fundamental functions Monitor data Extension terminal Application functions 1 functions Control functions Application functions 2 Motor 1 parameters Application functions 3 High performance Reserved. functions Reserved.
  • Page 47 [ 2 ] Preset single register Query 1 byte 1 byte 2 bytes 2 bytes 2 bytes Station Function Write data Error check address code Normal response 1 byte 1 byte 2 bytes 2 bytes 2 bytes Station Function Write data Error check address code...
  • Page 48 3.1 Messages How to set a query When the station address 0 is selected, broadcast is available. In this case, all inverters do not respond even if a broadcast request is executed. 'FC' = 16 (10 The function code is two bytes long. The Hi byte indicates the function code group (see Table 3.2), and the Lo byte represents a function code identification number (0 to 99).
  • Page 49 [ 5 ] Read coil status Query 1 byte 1 byte 2 bytes 2 bytes 2 bytes Station Coil address No. of coils Error check address Normal response 1 byte 1 byte 1 byte 1 to 10 bytes 2 bytes Station Byte count Read data...
  • Page 50 3.1 Messages Interpretation of normal response Data are stored from the LSB (the rightmost bit in the table above) in ascending order of coil number. When a coil is turned on, the data becomes one, and all the remaining bits are changed to zero.
  • Page 51 [ 7 ] Force multiple coils Query 1 byte 1 byte 2 bytes 2 bytes 1 byte 1 to 2 bytes 2 bytes Station Coil address No. of coils Byte account Write data Error check address Normal response 1 byte 1 byte 2 bytes 2 bytes...
  • Page 52 3.1 Messages [ 8 ] Error response If the inverter receives an improper query, it will not execute it, which will result in error response. Error response 1 byte 1 byte 1 byte 2 bytes Station Exception function Subcode Error check address Interpretation of error response The station address is the same as that of the query.

  • Page 53: Communications Examples

    3.1.5 Communications examples Typical communications examples are shown below (the station address is 5 in all cases). (Example 1) M06: Reading actual frequency and speed Query (host ⇒ inverter) Normal response (inverter ⇒ host) The detected speed value is 2710 , or 10000 .

  • Page 54: Host Side Procedures

    3.2 Host Side Procedures Host Side Procedures 3.2.1 Inverter's response time Upon receipt of a query from the host, the inverter executes the queried transaction and sends back response after the response time shown below: Host Query Query Response Response Inverter t1: Response interval time The response interval time is the longest time out of the time setting by a function code(1),...

  • Page 55: Timeout Processing

    2) Preset single register, preset multiple registers, force single coil, and force multiple coils Table 3.11 Inverter processing time Data count Inverter processing time (minimum to maximum) 25 to 30 (ms) 45 to 50 (ms) 65 to 70 (ms) 85 to 90 (ms) n×20+5 to n×20+10 (ms) If the data is written in H03=1, the inverter processing time is a maximum of 5 seconds.

  • Page 56: Receiving Preparation Complete Time And Message Timing From The Host

    3.2 Host Side Procedures 3.2.3 Receiving preparation complete time and message timing from the host The time from the return of response by the inverter until the completion of receiving preparation of the communications port (switching from transmission to receiving) is called a receiving preparation complete time.

  • Page 57: Communications Errors

    Communications Errors 3.3.1 Categories of communications errors The communications-related errors the inverter detects are listed below: Table 3.12 Communications errors detected by inverter Error Error code Error name Description category (M26 or M67) Logical error Improper 'FC' 1 (01 Improper address 2 (02 See "Table 3.8 Subcodes"...

  • Page 58: Operations In Case Of Errors

    3.3 Communications Errors 3.3.2 Operations in case of errors The action when a transmission or communications disconnection error occurs can be selected with function code y02, y12. (For further information, see Section 2.4 "Making RS-485-related settings.") This section shows specific examples of action by different settings of function code y02. (The same operation is performed for y12 as well.
  • Page 59 When y02 = 2 and y03 = 5.0 (seconds) (when communications is not recovered although five seconds elapsed from the occurrence of a communications error, and an Er8 trip occurs) Error Alarm reset Communications status Normal Normal Display Regular 5.0s Command RS-485 from RS485...
  • Page 60 3.3 Communications Errors When y02 = 3 (mode in which the inverter continues operating when a communications error occurs) Error Communications status Normal Normal Display Regular Command from RS485 RS-485 frequency Operation Operation command Inverter's internal frequency operation Output frequency The inverter retains the setting at the time of the occurrence of the transmission error, and continues operating.

  • Page 61: Crc-16

    CRC-16 3.4.1 Overview of the CRC-16 The CRC (cyclic redundancy check) is a system to confirm whether there is any error in the communications frame during data transmission. The CRC is among the most effective error check systems. The transmission station calculates and adds CRC data to the last block of the frame, and the receiving station also calculates CRC data against the data received, and compares them with each other.
  • Page 62 3.4 CRC-16 START Initial setting Remainder R ← "FFFF" Generative polynomial expression GP ← "A001" Data length counter n ← 0 Data length calculation N <- Data length n == N ? The A = n transmitted byte is set at the lower order byte of the word data.

  • Page 63: Calculation Example

    3.4.3 Calculation example Example of transmitting read data Station address = 1, 'FC' = 3, function code = P02 (P = 03 , 02 = 02 ), number of read data = 20, GP = generative polynomial expression(1010 0000 0000 0001) Station 'FC' Function code...

  • Page 64: Frame Length Calculation

    3.4 CRC-16 Table 3.13 CRC data calculation table (Continued) PROCESS 15 14 13 12 Flag CRC = No.37 Xor GP Shift > 1 CRC = No.39 Xor GP Shift > 2 CRC = No.41 Xor GP Shift > 1 CRC = No.43 Xor GP data byte CRC = No.44 Xor No.45 Shift >...
  • Page 65 3-24...

  • Page 66: Descriptions Of Fields

    CHAPTER 4 FUJI GENERAL-PURPOSE INVERTER PROTOCOL This chapter describes the Fuji general-purpose inverter protocol, a common protocol to Fuji general-purpose inverters, as well as the host side procedure to use this protocol and error processing. Table of Contents 4.1 Messages ..........................4-1 4.1.1 Message formats......................
  • Page 68 4.1 Messages Messages 4.1.1 Message formats The polling/selecting system is used to transmit and receive messages. The inverter always waits for selecting (write requests) or polling (read requests) from a host such as a personal computer or PLC. When the inverter in the standby status receives a request frame from the host addressed to itself (local station) and considers the request frame to have been normally received, the inverter executes the transaction in response to the request, and sends back an acknowledgement (ACK) frame (or response and data in the case of polling).
  • Page 69 4.1.2 Transmission frames Transmission frames are classified into two types; standard fames with which all communications functions available, optional frames, allowing high-speed communications, but whose function is limited to issuing commands to and monitoring the inverter. All characters (including BCC) comprising both standard and optional frames are represented by ASCII codes.
  • Page 70 4.1 Messages Table 4.2 Request frame Value Field Byte Description ASCII Hexadecimal format format Start of message Station 0 to 3，9 to 33 Station address of the inverter (decimal: ten's figure) address 0 to 9 to 39 Station address of the inverter (decimal: one's figure) Transmission request Command Request command...
  • Page 71 2) Communications dedicated function codes Command data: S code Monitor data 1: M code Monitor data 2: W code Alarm data 1: X code Alarm data 2: Z code and others For further information about these codes, see Chapter 5 "Function Codes and Data Formats." Table 4.3 ACK frame Value Byte...
  • Page 72 4.1 Messages Table 4.4 NAK frame Value Byte Field Description ASCII Hexadecimal format format Start of message Station 0 to 3 to 33 Station address of the inverter (decimal: ten's figure) address 0 to 9 to 39 Station address of the inverter (decimal: one's figure) Transmission response Negative acknowledgement: There was a logical error in the request.
  • Page 73 Table 4.4-1 Function code group Group Code Name Group Code Name ‘F’ Fundamental functions ‘M’ Monitor data ‘E’ Extension terminal functions ‘J’ Application functions 1 ‘C’ Control functions ‘D’ Application functions 2 ‘P’ Motor 1 parameters ‘U’ Application functions 3 ‘H’...
  • Page 74 4.1 Messages [2] Optional frame This section describes the structure and meaning of each optional frame. Selecting request frame [host ⇒ inverter] 10 11 Station Data Command address For BCC (byte) Table 4.5 Selecting request frame Value Byte Field Description Hexadecimal ASCII format format...
  • Page 75 Selecting response frame [inverter ⇒ host] Station ACK/NAK Command address For BCC (byte) Table 4.6 Selecting response frame (ACK/NAK) Value Field Description ASCII Hexadecimal format format Start of message Station 0 to 3 to 33 Station address of the inverter (decimal: ten's figure) address 0 to 9 to 39...
  • Page 76 4.1 Messages Polling response frame [inverter ⇒ host] 10 11 Station ACK/NAK Command Data address (byte) For BCC Table 4.8 Polling response frame (ACK) Value Field Description ASCII Hexadecimal format format Start of message Station 0 to 3 to 33 Station address of the inverter (decimal: ten's figure) address 0 to 9...
  • Page 77 Table 4.9 Polling response frame (NAK) Value Field Description ASCII Hexadecimal format format Start of message Station 0 to 3 to 33 Station address of the inverter (decimal: ten's figure) address 0 to 9 to 39 Station address of the inverter (decimal: one's figure) Transmission request ACK/NAK Negative acknowledgment: There was a logical error in...
  • Page 78 4.1 Messages 4.1.3 Descriptions of fields [ 1 ] Command field The table below shows command types. The applicable frame is different among the command types. Table 4.11 Command formats Command Description Applicable frame ASCII R Reads function code data (polling). Standard frame ASCII W Writes function code data (selecting).
  • Page 79 (Example) When setting 20 Hz with function code S01 (speed setting 1) (maximum frequency = 60 Hz) 1) Calculate the set value according to the data format of S01 (±20000/maximum frequency). Data = 20 Hz x ±20000/60 Hz (+ for forward rotation, − for reverse rotation) =±6666.6 ≈±6667 2) Convert the data into hexadecimal (a complement of 2 in the case of negative data).

  • Page 80: Communications Examples

    4.1 Messages 4.1.4 Communications examples Typical communications examples are shown below (the station number is 12 in all cases): [ 1 ] Standard frame (Example 1) Selecting S01: speed setting 1 (write) 10 Hz command x 20,000/maximum frequency 50 Hz = 4000d = 0FA0 Request frame (host ⇒...
  • Page 81 Table 4.12 ASCII code table “ & ‘ < ＼ − > The shaded codes are used for this communications protocol. 4-14...
  • Page 82 4.2 Host Side Procedures Host Side Procedures 4.2.1 Inverter's response time Upon receipt of a query request from the host, the inverter executes the requested command, and sends back response after the response time shown below: Host Request frame Request frame Inverter Response frame Response frame...
  • Page 83 4.2.2 Timeout processing To read/write data from/to the host, transmit the next frame after confirming response. If response is not transmitted from the inverter for more than a specified period of time (timeout time), it is a timeout, and perform a retry. (If a retry begins before a timeout, the requested frame cannot be received properly.) The timeout time must be set longer than the response time of the inverter.
  • Page 84 4.3 Communications Errors Communications Errors 4.3.1 Categories of communications errors The communications-related errors the inverter detects are listed below: Table 4.14 Communications errors detected by inverter Error Error code Order of Error name Description category (M26) priority Transmission The frame to the local station is −...
  • Page 85 Transmission error (error codes 71 to 73) When a transmission error occurs eight straight times, it is handled as a communications error. However, the inverter does not return response in order to avoid overlapping of response from multiple inverters. The count of eight straight times will be cleared upon normal receipt of a frame to another station or to the local inverter (station) itself.
  • Page 86 CHAPTER 5 FUNCTION CODES AND DATA FORMATS This chapter describes communication dedicated function codes and the data formats of communications frames. Table of Contents 5.1 Communications Dedicated Function Codes................5-1 5.1.1 About communications dedicated function codes............5-1 5.1.2 Command data......................... 5-2 5.1.3 Monitor data 1 ........................

  • Page 88: Communications Dedicated Function Codes

    5.1 Communications Dedicated Function Codes Communications Dedicated Function Codes 5.1.1 About communications dedicated function codes Communications dedicated function codes are available to monitor the operation and status of the inverter via communications. They are classified into the groups shown in Table 5.1 below: Table 5.1 Types of communications dedicated function codes Communications dedicated Function...

  • Page 89: Command Data

    5.1.2 Command data [ 1 ] List of command data The table below shows the function codes (S code) for the command data. The "Support" column indicates whether the function code is supported or not. The symbol "O" means that the code is supported and the symbol "X"...
  • Page 90 5.1 Communications Dedicated Function Codes Table 5.2 List of command data (Continued) Support Permissible setting In units Code Name Function Unit R/W * range HVAC AQUA − Ext PID PID command issued -32768 to 32767 command 1 through (+/- 20000 communications corresponds to +/- 100%)
  • Page 91 [ 2 ] Frequency, PID command data, and clock setting Table 5.3 Function codes for frequency, PID command data, and clock setting Code Name Function Permissible setting range Min. step Unit R/W * − Frequency Frequency command -32768 to 32767 reference (p.u.) issued through (±20,000 = maximum...
  • Page 92 5.1 Communications Dedicated Function Codes [ 3 ] Operation command data Table 5.4 Function codes for operation command data Code Name Function Permissible setting range Min. step Unit R/W * − Operation Operation command via 0000 to FFFF command communications (general-purpose input terminal functions (X1 −...
  • Page 93 Table 5.5 Relation between operation command (S06) and inverter terminal command (external signal input) Function Command Support When not Active- Internal assigned Assign- ON/OFF operation Commu- Terminal (positive Type ment Name HVAC AQUA command nications block logic) number symbol − Run forward/stop Fixed −...
  • Page 94 5.1 Communications Dedicated Function Codes Table 5.5 Relation between operation command (S06) and inverter terminal command (external signal input) (Continued) Function Command Support When not Active- Internal assigned Assign- ON/OFF operation Commu- Terminal (positive Type Name HVAC AQUA ment command nications block logic)
  • Page 95 Table 5.5 Relation between operation command (S06) and inverter terminal command (external signal input) (Continued) Function Command Support When not Active- Internal assigned Assign- ON/OFF operation Commu- Terminal (positive Type ment Name HVAC AQUA command nications block logic) number symbol ×...
  • Page 96 5.1 Communications Dedicated Function Codes Table 5.5 Relation between operation command (S06) and inverter terminal command (external signal input) (Continued) Function Command Support When not Active- Internal assigned Assign- ON/OFF operation Commu- Terminal (positive Type ment Name HVAC AQUA command nications block logic)
  • Page 97 [ 4 ] Function data Table 5.6 Function code and data (S08 to S11) Permissible setting Code Name Function Min. step Unit R/W * range Acceleration Set data with 0.0 to 3600.0 time F07 common code numbers and in Deceleration 0.0 to 3600.0 common time F08...

  • Page 98: Monitor Data 1

    5.1 Communications Dedicated Function Codes 5.1.3 Monitor data 1 Function codes for monitor data 1 (M codes) are described in the four tables (1 to 4) below. These function codes are for reading only. These function codes are for reading only. The "Support" column of the table indicates whether each function is supported by the respective models or not.
  • Page 99 Table 5.9 Monitor data 1 function codes (2) Support Min. Code Name Description Monitor range Unit step HVAC/AQUA − Operation Displays the final 0000 to FFFF command command created by (Final command) information from the keypad, terminal block, and communications, and transmitted to the inverter inside.
  • Page 100 5.1 Communications Dedicated Function Codes Table 5.10 Monitor data 1 function codes (3) Support Min. Code Name Description Monitor range Unit step HVAC/AQUA Frequency Data equivalent to 0.00 to 655.35 0.01 reference on alarm M05 on alarm (Final command) − Output frequency 1 Data equivalent to -32768 to 32767...
  • Page 101 Table 5.11 Monitor data 1 function codes (4) Support Min. Code Name Description Monitor range Unit step HVAC/AQUA − Input terminal Input voltage of -32768 to 32767 voltage [12] (p.u.) terminal [12] (-20,000/-10V, 20,000/10V) − Input terminal Input current of 0 to 32767 current [C1] (p.u.) terminal [C1]...
  • Page 102 5.1 Communications Dedicated Function Codes Table 5.13 Monitor data 1 function codes (5) Support Min. Code Name Description Monitor range Unit step HVAC/AQUA − Operation status 2 Displays the 0000H to FFFFH operation status in the form of a bit signal.

  • Page 103: Information Displayed On The Keypad

    5.1.4 Information displayed on the keypad The function codes used to read, via RS-485, information displayed on the keypad are classified into W codes, X codes, and Z codes. All of these function codes are for read only. RTU and FGI in the Remarks field represent the Modbus RTU protocol and the Fuji general-purpose inverter protocol, respectively.
  • Page 104 5.1 Communications Dedicated Function Codes Table 5.12 Keypad-related function code (W codes) (Continued) Support Code Name Monitor range Min step Unit Remarks HVAC/AQUA − Operation command 0 to 23 source − Frequency and PID 0 to 39 command source Speed set value at 0.00 to 100.00 0.01 percentage...
  • Page 105 *2 Frequency command source/PID command source code Code Description HVAC/AQUA Keypad key operations Voltage input (terminal 12) Current input (terminal C1) Voltage input (terminal 12) + current input (terminal C1) × Inverter volume Voltage input (terminal V2) UP/DOWN Port 1 (RS-485 channel 1) (Note) Port 2 (RS-485 channel 2) (Note) Bus option Loader...
  • Page 106 5.1 Communications Dedicated Function Codes Table 5.12 Keypad-related function code (W codes) (Continued) Support Code Name Monitor range In units of Unit Remarks HVAC/AQUA Terminal [32] input -12.0 to 12.0 voltage Terminal [C2] input 0.0 to 30.0 current Terminal [A0] output -12.0 to 12.0 voltage Terminal [CS] output...
  • Page 107 Table 5.12 Keypad-related function code (W codes) (Continued) Support Code Name Monitor range In units of Unit Remarks HVAC/AQUA − × Stop Position Pulse -999 to 999 (Upper column) − × Stop Position Pulse 0 to 9999 (Lower column) − ×...
  • Page 108 5.1 Communications Dedicated Function Codes Table 5.12 Keypad-related function code (W codes) (Continued) Support Code Name Monitor range In units of Unit Remarks HVAC/AQUA − Data used integrating 0.000 to 9999 Variable Value electric power calculated as integral power consumption (kWh) multiplied by function code E51...
  • Page 109 Table 5.12-1 Keypad-related function codes (W1 codes) Support In units Code Name Monitor range Unit Remarks HVAC AQUA W101 Current year and month Upper 8 bits: Last 2 digits of the year Lower 8 bits: Month W102 Current day and hour Bit 15 0: Ordinary time 1: Daylight saving...
  • Page 110 5.1 Communications Dedicated Function Codes Table 5.12-2 Keypad-related function codes (W2 codes) (Continued) Support In units Code Name Monitor range Unit Remarks HVAC AQUA W235 External PID3 feedback -999 to 9990 0.01 W236 External PID3 output -150.0 to 150.0 W237 External PID3 manual 0.00 to 100.00 0.01 command...
  • Page 111 Table 5.12-3 Keypad-related function codes (W3 codes) (Continued) Support In units Code Name Monitor range Unit Remarks HVAC AQUA W319 Input watt-hour monitor 16 0.000 to 9999 0.001 100 kWh W320 Input watt-hour monitor 17 0.000 to 9999 0.001 100 kWh W321 Input watt-hour monitor 18 0.000 to 9999 0.001 100 kWh W322 Input watt-hour monitor 19 0.000 to 9999...
  • Page 112 5.1 Communications Dedicated Function Codes Table 5.12-3 Keypad-related function codes (W3 codes) (Continued) Support In units Code Name Monitor range Unit Remarks HVAC AQUA W365 Run time monitor 14 0.000 to 9999 0.001 W366 Run time monitor 15 0.000 to 9999 0.001 W367 Run time monitor 16 0.000 to 9999...
  • Page 113 Table 5.13 Keypad-related function codes (X codes) Support Code Name Monitor range In units of Unit Remarks HVAC AQUA − Alarm history (latest) 0000 to FFFF − Multiple alarm 1 0000 to FFFF (latest) − Multiple alarm 2 0000 to FFFF (latest) −...
  • Page 114 5.1 Communications Dedicated Function Codes Table 5.13 Keypad-related function codes (X codes) (Continued) Support Code Name Monitor range In units of Unit Remarks HVAC AQUA − Latest info. on alarm 0000 to FFFF (control circuit terminal, input) − (control circuit terminal, 0000 to FFFF output)
  • Page 115 Table 5.13 Keypad-related function codes (X codes) (Continued) Support Code Name Monitor range In units of Unit Remarks HVAC AQUA − Customizable logic -999 to 9990 0.01 (analog input 2) − (analog output) -999 to 9990 0.01 − Relay output terminal 0000 to FFFF info.
  • Page 116 5.1 Communications Dedicated Function Codes Table 5.13-1 Keypad-related function codes (X1 codes) (Continued) Support Code Name Monitor range units Unit Remarks HVAC HVAC − − X147 On alarm minute/second 0 to 65535 (4th last) − − X150 Alarm history Same as M16. (5th last, 1st one) X155 On alarm year/month...
  • Page 117 Table 5.14 Keypad-related function codes (Z codes) Support Code Name Monitor range In units of Unit Remarks HVAC HVAC Second last info. on 0.00 to 655.35 0.01 alarm (output frequency) (output current) 0.00 to 9999 Variable 0.00 to 655.35 0.01 RTU (inverter capacity 22 kW (30 HP) or less)
  • Page 118 5.1 Communications Dedicated Function Codes Table 5.14 Keypad-related function codes (Z codes) (Continued) Support Code Name Monitor range In units of Unit Remarks HVAC AQUA Third last info. on 0.00 to 655.35 0.01 alarm (reference frequency) − (running status) 0000 to FFFF (cumulative run time) 0 to 65535 (number of startups) 0 to 65535...

  • Page 119: Data Formats

    Data Formats 5.2.1 List of data format numbers The following table shows the communications data format numbers for function code data. Create data according to the data format specifications described below. For the data setting range and setting unit, see the FRENIC-HVAC/AQUA User's Manual (Chapter 5.) The "Support" column of the table indicates whether each function is supported by the respective models or indicates the function is supported, and ×...
  • Page 120 5.2 Data Formats Table 5.15 List of data format numbers (F codes) (Continued) Support Code Name Format number HVAC AQUA Terminal [FM1] (Mode selection) Terminal [FM1] (Gain to output voltage) Terminal [FM1] (Function) Terminal [FM2] (Mode selection) Terminal [FM2] (Gain to output voltage) Terminal [FM2] (Function) Load Selection/Auto Torque Boost/Auto Energy...
  • Page 121 Table 5.16 List of data format numbers (E codes) (Continued) Support Code Name Format number HVAC AQUA Terminal [12] Extended Function Terminal [C1] Extended Function Terminal [V2] Extended Function Saving of Digital Reference Frequency Reference Loss Detection [1] *2 (Continuous running frequency) Low Torque Detection (Level) (Timer)
  • Page 122 5.2 Data Formats Table 5.17 List of data format numbers (C codes) (Continued) Support Code Name Format number HVAC AQUA Pattern Operation (Mode selection) (Stage 1) [84] (Stage 2) [84] (Stage 3) [84] (Stage 4) [84] (Stage 5) [84] (Stage 6) [84] (Stage 7) [84]...
  • Page 123 Table 5.18 List of data format numbers (P codes) Support Code Name Format number HVAC AQUA Motor 1 (No. of poles) (Rated capacity) [11] When P99 = 1 [25] (Rated current) [24] (FGI) [19] (RTU) [24] (BUS) *1 (Auto-tuning) [21] (Online tuning) (No-load current) [24] (FGI)
  • Page 124 5.2 Data Formats Table 5.19 List of data format numbers (H codes) (Continued) Support Code Name Format number HVAC AQUA Startup Counter for Motor 1 Mock Alarm Starting Mode (Auto search delay time 2) Initial Capacitance of DC Link Bus Capacitor Cumulative Run Time of Capacitors on Printed [74] Circuit Boards...
  • Page 125 Table 5.19-1 List of data format numbers (H1 codes) Support Code Name Format number HVAC AQUA H104 Number-of-retry Clear Time H105 Retry Target Selection H106 Retry Target Selection 2 H110 Input Phase Loss Protection Avoidance Operation (Mode selection) H112 Voltage Shortage Avoidance Operation (Mode selection) H114 Automatic Deceleration...
  • Page 126 5.2 Data Formats Table 5.20-1 List of data format numbers (J1 codes) Support Code Name Format number HVAC AQUA J101 PID Control 1 (Mode selection) J102 (Command selection) J103 (Feedback selection) J104 (Deviation selection) J105 (Display unit) J106 (Maximum scale) [12] J107 (Minimum scale)
  • Page 127 Table 5.20-1 List of data format numbers (J1 codes) (Continued) Support Code Name Format number HVAC AQUA × J163 Flowrate Sensor (Input selection) × J164 (ON level) [12] × J165 (OFF level) [12] × J166 (Input filter) × J168 Control of Maximum Starts Per Hour (Input selection) ×...
  • Page 128 5.2 Data Formats Table 5.20-1 List of data format numbers (J1 codes) (Continued) Support Code Name Format number HVAC AQUA J223 PID Control 2 [12] (Upper level alarm detection hysteresis width) J224 (Lower level alarm (AL)) [12] J225 (Upper level alarm detection hysteresis width) [12] J227 (Feedback failure detection (Mode selection))
  • Page 129 Table 5.20-1 List of data format numbers (J1 codes) (Continued) Support Code Name Format number HVAC AQUA × J455 Motor Increase Switching Time [12] (Deceleration time) × J456 Motor Increase Switching Level × J457 Motor Increase PID Control Start Frequency ×...
  • Page 130 5.2 Data Formats Table 5.20-1 List of data format numbers (J1 codes) (Continued) Support Code Name Format number HVAC AQUA J518 External PID Control 1 (Upper limit of PID process output) J519 (Lower limit of PID process output) J520 (Upper and lower limits) J521 (Alarm output selection) J522...
  • Page 131 Table 5.20-1 List of data format numbers (J1 codes) (Continued) Support Code Name Format number HVAC AQUA J656 External PID Control 3 (Maximum scale) [12] J657 (Minimum scale) [12] J660 P (Gain) J661 I (Integral time) J662 D (Differential time) J663 (Feedback filter) J664...
  • Page 132 5.2 Data Formats Table 5.22 List of data format numbers (U codes) (Continued) Support Code Name Format number HVAC AQUA Customizable Logic: Step 3 (Control function) (Input 1) (Input 2) (Function 1) [12] (Function 2) [12] Customizable Logic: Step 4 (Control function) (Input 1) (Input 2)
  • Page 133 Table 5.22 List of data format numbers (U codes) (Continued) Support Code Name Format number HVAC AQUA Customizable Logic: Step 12 (Control function) (Input 1) (Input 2) (Function 1) [12] (Function 2) [12] Customizable Logic: Step 13 (Control function) (Input 1) (Input 2) (Function 1) [12]...
  • Page 134 5.2 Data Formats Table 5.23 List of data format numbers (y codes) Support Code Name Format number HVAC AQUA RS-485 Communication 1 (Station address) (Communications error processing) (Timer) (Baud rate) (Data length) (Parity check) (Stop bits) (No response error detection time) (Response interval) (Protocol selection) RS-485 Communication 2...
  • Page 135 Table 5.24 List of data format numbers (o codes) (Continued) Support Code Name Format number HVAC AQUA × × DI Option (DI polarity selection) × × (DI function selection) × × DO Option (DO function selection) Response Error (Operation mode selection) (Timer) Bus Setting Parameter 01 Write Code Assignment 1...
  • Page 136 5.2 Data Formats Table 5.24 List of data format numbers (o codes) (Continued) Support Code Name Format number HVAC AQUA Terminal [C2] (Current range) (Function) (Offset) (Gain) (Filter time constant) (Gain reference point) (Bias value) (Bias base point) (Display unit) (Maximum scale) [12] (Minimum scale)
  • Page 137 Table 5.25 List of data format numbers (T codes) (Continued) Support Code Name Format number HVAC AQUA Timer Operation (Pause date 9) [89] (Pause date 10) [89] (Pause date 11) [89] (Pause date 12) [89] (Pause date 13) [89] (Pause date 14) [89] (Pause date 15) [89]...
  • Page 138 5.2 Data Formats Table 5.27 List of data format numbers (S codes) Support Code Name Format number HVAC AQUA Frequency Command (p.u.) [29] Frequency Command [22] Run Command [14] Universal DO [15] Acceleration Time F07 Deceleration Time F08 Torque Limiter 1 (Driving) Torque Limiter 1 (Braking) Universal Ao [29]...
  • Page 139 Table 5.28 List of data format numbers (M codes) (Continued) Support Code Name Format number HVAC AQUA DC Link Bus Voltage × × Motor Temperature Model Code [17] Capacity Code [11] ROM Version [35] Transmission Error Transaction Code [20] Frequency Command on Alarm (p.u.) [29] (Final command) Frequency Command on Alarm (Final command)
  • Page 140 5.2 Data Formats Table 5.28 List of data format numbers (M codes) (Continued) Support Code Name Format number HVAC AQUA Running Status 2 [44] Input Terminal Information [14] PID Feedback Value [29] PID Output [29] Running Situation 2 [76] Service Life of DC Link Bus Capacitor [74] (Elapsed time) (Remaining time)
  • Page 141 Table 5.29 List of data format numbers (W codes) (Continued) Support Code Name Format number HVAC AQUA Frequency and PID Command Source [68] Speed at Percentage Speed Set Value at Percentage PID Output Analog Input Monitor [12] Terminal [32] Input Voltage Terminal [C2] Input Current Terminal [AO] Output Voltage Terminal [CS] Output Current...
  • Page 142 5.2 Data Formats Table 5.29 List of data format numbers (W codes) (Continued) Support Code Name Format number HVAC AQUA Contents of RS-485 Error (option or port 2) [20] Number of Option 1 Errors (A-port) Contents of Option 1 Errors (A-port) Contents of Option 2 Errors (B-port) Number of Option 3 Errors (C-port) Contents of Option 3 Errors (C-port)
  • Page 143 Table 5.29-2 List of data format numbers (W2 codes) (Continued) Support Code Name Format number HVAC AQUA × Mutual Operation - Slave Unit 1 W250 [22] Output frequency (Before slip compensation) × W251 Output current [24] × W252 Power consumption [24] ×...
  • Page 144 5.2 Data Formats Table 5.29-3 List of data format numbers (W3 codes) (Continued) Support Code Name Format number HVAC AQUA W332 Input Watt-hour Monitor 29 [45] W333 Input Watt-hour Monitor 30 [45] W334 Input Watt-hour Monitor 31 [45] W335 Input Watt-hour Monitor 32 [45] W336 Input Watt-hour Monitor 33...
  • Page 145 Table 5.29-3 List of data format numbers (W3 codes) (Continued) Support Code Name Format number HVAC AQUA W376 Run Time Monitor 25 [45] W377 Run Time Monitor 26 [45] W378 Run Time Monitor 27 [45] W379 Run Time Monitor 28 [45] W380 Run Time Monitor 29...
  • Page 146 5.2 Data Formats Table 5.30 List of data format numbers (X codes) (Continued) Support Code Name Format number HVAC AQUA Alarm History (3rd last) [41] Multiple Alarm 1 (3rd last) [40] Multiple Alarm 2 (3rd last) [40] Sub Code (3rd last) Multiple Alarm 1 Sub Code (3rd last) Latest Info.
  • Page 147 Table 5.30 List of data format numbers (X codes) (Continued) Support Code Name Format number HVAC AQUA Last Info. on Alarm [15] (Communications control signal, output) (Running situation 2) [76] (Speed detection) [29] (Running situation 3, Running status 2) [44] Customizable Logic (Digital input/output) [95]...
  • Page 148 5.2 Data Formats Table 5.30-1 List of data format numbers (X1 codes) (Continued) Support Code Name Format number HVAC AQUA X170 Alarm history (7th last, 1st one) [41] X175 On alarm year/month (7th last) [85] X176 On alarm day/hour (7th last) [86] X177 On alarm minute/second...
  • Page 149 Table 5.31 List of data format numbers (Z codes) (Continued) Support Code Name Format number HVAC AQUA Info. on Alarm (3rd last) (Output voltage) (Torque) (Reference frequency) [22] (Running situation) [16] (Cumulative run time) (Number of startups) (DC link bus voltage) (Internal air temperature) (Heat sink temperature) (Control circuit terminal, input)

  • Page 150: Data Format Specifications

    5.2 Data Formats 5.2.2 Data format specifications The data in the data fields of a communications frame are 16 bits long, binary data, as shown below. 16-bit binary data For the convenience of description, 16-bit data is expressed in hexadecimal with one upper-order byte (eight bits from 15 to 8) and one lower-order byte (eight bits from 7 to 0).
  • Page 151 Data format [4] Decimal data (positive/negative): Minimum step 0.1 (Example) When C31 (analog input offset adjustment) = -5.0% -5.0 x 10 = -50 = FFCE Consequently, ⇒ Data format [5] Decimal data (positive): Minimum step 0.01 (Example) C05 (multistep frequency) = 50.25 Hz 50.25 x 100 =5025 =13A1 Consequently, ⇒...
  • Page 152 5.2 Data Formats Data format [10] Alarm codes Table 5.32 List of alarm codes Code Description Code Description No alarm Hardware error Overcurrent (during acceleration) EN circuit error Overcurrent (during deceleration) PID feedback disconnection detected Overcurrent (during constant DB transistor trouble speed operation) Ground fault Customizable logic error...
  • Page 153 Data format [11] Capacity code (unit: kW) As shown in the table below, the capacity (kW) is multiplied by 100. Table 5.33 Capacities and data Capacity (kW) Data Capacity (kW) Data Capacity (kW) Data 0.06 2200 28000 3000 31500 3700 35500 4500 40000...
  • Page 154 5.2 Data Formats Data format [14] Operation command X5 X4 X3 (REV) (FWD) Unused ↑ General-purpose General-purpose input FWD: Forward terminal input command Alarm reset REV: Reverse command (All bits are turned ON when set to 1.) (Example) When S06 (operation command) = FWD, X1 = ON 0000 0000 0000 0101 = 0005 Consequently,...
  • Page 155 Data format [17] Model code Model Generation Destination Input power supply Table 5.34 List of model codes Code Model RHC RHR Lift HVAC AQUA (1667 Hz) (3000 Hz) (AR) (AQ) Generation 11 series 7 series 1 series RHR A PLUS series series RHC C...
  • Page 156 5.2 Data Formats Data format [20] Communications error Table 5.35 Communications error codes (common to both protocols) Code Description Code Description Checksum error, CRC error Framing error, overrun error, buffer ⇒ No response full ⇒ No response Parity error ⇒ No response Table 5.36 Communications error codes (for Fuji general-purpose inverter protocol) Code Description...
  • Page 157 Data format [23] Polarity + decimal data (positive) (for Fuji general-purpose inverter protocol) Decimal data (positive): Resolution 0.01 Hz 16-bit binary data ⇒ 4-digit ASCII code For reverse rotation, add a negative sign (-) (ASCII) to the special additional data in the standard frame, or for forward rotation, enter a space (ASCII).
  • Page 158 5.2 Data Formats Data format [25] Capacity code (for HP) As shown in the table below, the capacity (HP) is multiplied by 100. Table 5.38 Capacities and data (for HP) Code Capacity (HP) Code Capacity (HP) Code Capacity (HP) 0.07 (reserved) 3000 40000 0.15 (reserved)
  • Page 159 Data format [40] Alarm factor Alarm caused by Order of alarm Alarm code (See Table 5.32.) multiple factors (1 to 5) occurrences (1 to 5) Data format [41] Alarm history Number of serial occurrences of same alarm Alarm code (See Table 5.32.) Indicates the content of an alarm that has occurred and the number of serial occurrence times of the alarm.
  • Page 160 5.2 Data Formats Data format [45] Floating point data Exponent Mantissa Exponent: 0-3 Mantissa: 0 to 9999 (exponent-3) The value expressed by this format = the mantissa × 10 (exponent-3) Numeric value Mantissa Exponent 0.000 to 9.999 0 to 9999 0.001 10.0 to 99.9 1000 to 9999...
  • Page 161 Data format [68] Frequency command source codes Code Description Remarks Keypad key operation Same with the selections for Voltage input (Terminal [12]) Current input (Terminal [C1]) Voltage input (Terminal [12]) + Current input (Terminal [C1]) Inverter body volume Voltage input (Terminal [V2]) UP/DOWN Keypad key operation (Balanceless, bumpless functions are activated.)
  • Page 162 5.2 Data Formats Data format [74] Integer data (positive): by 10 hours (Example) M81 (Maintenance remaining hours-M1) = 12340 hours 12340 ÷10 =04D2 Consequently => Data format [75] Integer data (positive) + [P] Exception for position control Based on the positive integer data, setting of “-1” is permitted exceptionally. When “-1” is set on the touch probe or the loader, [P] is displayed.
  • Page 163 Data format [77] Optional input terminals Data format [78] Optional output terminals Data format [84] Pattern operation Rotation Time Exponent Data direction 0: 0.01 × Not used. 000 to 999 (0.00 to 9.99) × 1: 0.1 100 to 999 (10.0 to 99.9) ×...
  • Page 164 5.2 Data Formats Data format [85] Clock data (Year and month) Year (0 to 99) → (2011 to 2099) Month (1 to 12) Data format [86] Clock data (Day and time) Date (1 to 31) Time (0 to 23) 0: Not corrected for daylight saving time 1: Corrected for daylight saving time Data format [87] Clock data (Minute and second)
  • Page 165 If the format specification = 0 (Month, week, and day of the week): Item Contents Day of the week 0 to 6: Monday to Sunday nth week 1 to 6: 1st to 6th week 7 to 31: Final week 0: Incorrect. The clock data is treated as invalid. Month 1 to 12: January to December 0, 13 to 15: Incorrect.
  • Page 166 5.2 Data Formats Data format [91] Relay output terminal Y12A Y11A Y10A Not used. General-purpose output Not used. General-purpose output (Each bit is ON when 1.) *1 For option card OPC-RY *2 For option card OPC-RY2 Data format [93] Floating-point data Exponent Data 0: 0.1...
  • Page 167 5-80...

  • Page 168: Messages

    CHAPTER 6 Metasys N2 (N2 PROTOCOL) Metasys N2 is a serial communications protocol developed by Johnson Controls. It is used in building automation. Table of Contents 6.1 Messages ..........................6-1 6.1.1 Communications specifications..................6-1 6.1.2 Polling/selecting ....................... 6-1 6.2 Setting up the FRENIC-HVAC/AQUA ..................6-2 6.3 Point Mapping Tables.......................

  • Page 170: Messages

    6.1 Messages Messages 6.1.1 Communications specifications Item Specifications Physical level EIA RS-485 Wiring distance 1640 ft (500 m) max. Number of nodes Total of 255 Transmission speed 9600 bits/s (fixed) Transmission mode Half duplex Bus topology Master-Slave Character code ASCII 7 bits (fixed) Character length 8 bits (fixed) Stop bit...

  • Page 171: Setting Up The Frenic-Hvac/Aqua

    Setting up the FRENIC-HVAC/AQUA Run command and reference frequency To start or stop the inverter or set the reference frequency from Metasys, it is necessary to enable commands given through the appropriate channel using function code H30. For details, refer to Section 2.3.2. Protocol Select Metasys N2 (y10 or y20 = 3).

  • Page 172: Point Mapping Tables

    6.3 Point Mapping Tables Point Mapping Tables Accessing the FRENIC-HVAC/AQUA through a Metasys N2 network requires registering point maps to the Metasys. AI: Analog input BI: Bit input AO: Analog output BO: Bit output AI and BI point mapping table NPT NPA Units Description...
  • Page 173 AO point mapping table NPT NPA Units Description Range Notes Reference frequency 0 to 655.35 Universal AO -32768 to 32767 S12, FMA (F31 = 10), 20000 = 100% Reserved. Reserved. Reserved. Reserved. Acceleration time 0.0 to 3600.0 Deceleration time 0.0 to 3600.0 PID command value -32768 to 32767 S13, 20000 = 100%...

  • Page 174: Reading And Writing From/To Function Codes

    6.4 Reading and Writing from/to Function Codes Reading and Writing from/to Function Codes Function Code Numbers to Read and Write Code group Code name 0x00 Reserved. 0x02 Command data 0x03 Monitor data 0x04 Fundamental functions 0x05 Extension terminal functions 0x06 Control functions 0x07 Motor 1 parameters...

  • Page 175: Support Command Lists

    Support Command Lists Access to a Metasys system uses commands. In the support command lists given below, the FRENIC-HVAC/AQUA supports commands that respond with ACK. Support Command List 1 Synch Time No action. Read Memory Poll Without ACK Poll With ACK Warm Start Status Update Request See *1...
  • Page 176 6.4 Reading and Writing from/to Function Codes Support Command List 2 Read Analog Output Byte (Object Configuration) Read Analog Output Byte (Object status) Read Analog Output Float (Current Value) Read Analog Output Float Read Binary Output 0-18 Byte (Object Configuration) Read Binary Output 0-18 Byte...
  • Page 177 Support Command List 3 Write Analog Output Byte (Object Configuration) Write Analog Output Write Binary Output 0-18 Byte (Object Configuration) Write Binary Output 0-18 Byte (Object status) Write Binary Output 0-18 Integer ACK No action (Minimum On-time) Write Binary Output 0-18 Integer ACK No action...
  • Page 178 6.4 Reading and Writing from/to Function Codes Support Command List 4 Identify Device Type Device code = "10" Upload Request Upload Record Upload Complete Download Request Download Record Download Complete...
  • Page 179 6-10...
  • Page 180 CHAPTER 7 BACnet MS/TP BACnet MS/TP is a serial communications protocol defined by ANSI/ASHRAE Standard 135-1995. It is used in building automation. Table of Contents 7.1 Messages ..........................7-1 7.1.1 Communications specifications..................7-1 7.2 Setting up the FRENIC-HVAC/AQUA ..................7-2 7.3 Binary Point Table ........................

  • Page 182: Messages

    7.1 Messages Messages 7.1.1 Communications specifications Item Specifications Physical level EIA RS-485 Wiring distance 1640 ft (500 m) max. Number of nodes Total of 128 Transmission speed 9600, 19200, 38400 bits/s Transmission mode Half duplex Bus topology Master-Slave/Token Passing (MS/TP) Character code ASCII 7 bits (fixed) Character length...

  • Page 183: Setting Up The Frenic-Hvac/Aqua

    Setting up the FRENIC-HVAC/AQUA Node address Set the node address within the range of 0 to 127 using function code y01 or y11. Setting 128 or more is treated as 127. Baud rate Select the baud rate using function code y04 or y14. The typical baud rate of BACnet is 9600 bits/s.

  • Page 184: Binary Point Table

    7.3 Binary Point Table Binary Point Table The binary point table contains bitwise signals that command the inverter and indicate the inverter status. The FRENIC-HVAC/AQUA supports the following. Object Object Function Object Name Active Text Inactive Text Type Instance code Forward_Command Forward Inactive...
  • Page 185 About binary points BV0 to BV2 and BV17 to BV25 enable access to each bit of communications command S06. BI1 to BI10 indicate the final values of run commands being recognized by the inverter, including S06. To change communications commands from the host, use BV0 to BV2 and BV17 to BV25.

  • Page 186: Analog Point Table

    7.4 Analog Point Table Analog Point Table The analog point table contains analog data that commands the inverter and indicates the inverter internal data. The FRENIC-HVAC/AQUA supports the following data. For details about the unit and setting range of each data, refer to each function code of data formats in Chapter 5.

  • Page 187: Reading And Writing From/To Function Codes

    Reading and Writing from/to Function Codes Function Code Numbers to Read and Write Code group Name Code group Name Fundamental functions Monitor data Extension terminal Application functions 1 functions Control functions Application functions 2 Motor 1 parameters Application functions 3 High performance Reserved.
  • Page 188 In no event will Fuji Electric Co., Ltd. be liable for any direct or indirect damages resulting from the application of the information in this manual.
  • Page 190 Gate City Ohsaki, East Tower, 11-2, Osaki 1-chome, Shinagawa-ku, Tokyo 141-0032, Japan Phone: +81-3-5435-7057 Fax: +81-3-5435-7420 URL: http://www.fujielectric.com/...

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