Mitsubishi Electric FR-A7NL Instruction Manual
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Mitsubishi Electric FR-A7NL Instruction Manual

Mitsubishi Electric FR-A7NL Instruction Manual

Inverter plug-in option
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INVERTER
Plug-in option
FR-A7NL

INSTRUCTION MANUAL

L
W
communication function
ON
ORKS
PRE-OPERATION INSTRUCTIONS
INSTALLATION
INVERTER SETTING
FUNCTION OVERVIEW
NETWORK VARIABLES
TROUBLESHOOTING
1
2
WIRING
3
4
5
6
7

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Summary of Contents for Mitsubishi Electric FR-A7NL

  • Page 1: Instruction Manual

    INVERTER Plug-in option FR-A7NL INSTRUCTION MANUAL PRE-OPERATION INSTRUCTIONS INSTALLATION  communication function ORKS WIRING INVERTER SETTING FUNCTION OVERVIEW NETWORK VARIABLES TROUBLESHOOTING...

  • Page 2: Safety Instructions

    Thank you for choosing this Mitsubishi Inverter plug-in option. SAFETY INSTRUCTIONS This instruction manual gives handling information and precautions for use of this equipment. Incorrect handling might cause an unexpected fault. Before using the equipment, please 1. Electric Shock Prevention read this manual carefully to use the equipment to its optimum.
  • Page 3 2. Injury Prevention 3) Usage WARNING CAUTION Do not modify the equipment. Apply only the voltage specified in the instruction manual to Do not perform parts removal which is not instructed in this each terminal. Otherwise, burst, damage, etc. may occur. manual.

  • Page 4: Table Of Contents

     CONTENTS  PRE-OPERATION INSTRUCTIONS Unpacking and Product Confirmation .....................1 1.1.1 Packing confirmation ............................1 1.1.2 Parts ................................2 Operation Status Indication LED......................3 Specifications.............................4 1.3.1 Inverter option specifications .......................... 4 1.3.2 Communication specification.......................... 4 INSTALLATION Pre-Installation Instructions ......................5 Installation of the communication option LED display cover ............5 Installation Procedure ........................6 WIRING System Configuration Example......................7...
  • Page 5 Operation at Communication Error Occurrence................20 4.4.1 Operation selection at communication error occurrence (Pr. 500 to Pr. 502) ..........20 4.4.2 Alarm and measures ............................ 24 Inverter Reset ...........................26 FUNCTION OVERVIEW XIF File ..............................27 Output from the Inverter to the Network..................28 Input from the Network to the Inverter...................29 NETWORK VARIABLES Object Map............................31...
  • Page 6 6.5.9 Output voltage monitor (0.1V increments) (network output SNVT_volt nvoDrvVolt) ........48 6.5.10 Actual operation time monitor (network output SNVT_time_hour nvoDrvRunHours)........48 6.5.11 Cumulative power monitor (1kWh increments) (network output SNVT_elec_kwh nvoDrvRunPower)..49 6.5.12 Alarm reset (network input SNVT_switch nviInvAlarmReset)............... 49 6.5.13 Alarm occurrence definition (network output SNVT_str_asc nvoInvAlarmStr) ..........
  • Page 7 6.8.13 PID differential time (network input config SNVT_time_sec nciInvPIDDiffTm)..........82 6.8.14 PID manipulated variable bias (0.1Hz increments) (network input config SNVT_freq_hz nciInvPIDOpeBias) ................82 6.8.15 PID manipulated variable gain (0.1Hz increments) (network input config SNVT_freq_hz nciInvPIDOpeGain)................83 6.8.16 Heartbeat receive time interval (network input config SNVT_time_sec nciRcvHrtBt) ........84 6.8.17 Maximum speed (0.005% increments) (network input config SNVT_lev_percent nciMaxSpeed)....

  • Page 8: Pre-Operation Instructions

    PRE-OPERATION INSTRUCTIONS 1.1 Unpacking and Product Confirmation Take the plug-in option out of the package, check the unit name, and confirm that the product is as you ordered and intact. This product is a plug-in option dedicated for the FR-F series.

  • Page 9: Parts

    PRE-OPERATION INSTRUCTIONS 1.1.2 Parts Communication connector Operation status indication LED Mount the accessory terminal Lit/flicker/off of the LED indicate inverter (Refer to page 3.) block to connect to the network. operation status. Front view Rear view RUN L.RUN Mounting WINK SERVICE hole Mounting Service switch...

  • Page 10: Operation Status Indication Led

    PRE-OPERATION INSTRUCTIONS 1.2 Operation Status Indication LED Operation status indication LED indicates the operating status of the option unit according to the indication status. Check the position of LED on page 2. Name Function LED Status Status Normal operation Display the unit operation status.

  • Page 11: Specifications

    PRE-OPERATION INSTRUCTIONS 1.3 Specifications 1.3.1 Inverter option specifications Inverter plug-in option type (can be mounted/dismounted to/from the inverter front Type face) Number of nodes occupied One inverter occupies one node. Twisted pair cable equivalent to EBT0.65mm × 1p Free (ICT 0.65mm × 1p, manufactured by Fuji Cable (Ltd. ) made) topology Communication Twisted pair cable equivalent to EBT1.3mm ×...

  • Page 12: Installation

    INSTALLATION 2.1 Pre-Installation Instructions Make sure that the input power of the inverter is off. CAUTION With input power on, do not install or remove the plug-in option. Otherwise, the inverter and plug-in option may be damaged. 2.2 Installation of the communication option LED display cover Mount the cover for displaying the operation status indication LED for the communication option on the inverter front cover.

  • Page 13: Installation Procedure

    INSTALLATION 2.3 Installation Procedure 1) Remove the inverter front cover. 2) Mount the hex-head screw for option mounting into the inverter screw hole (on earth plate). (size 5.5mm, tightening torque 0.56N⋅m to 0.75N⋅m) 3) Securely fit the connector of the plug-in option to the inverter connector along the guides.

  • Page 14: Wiring

    WIRING 3.1 System Configuration Example (1) Mount the communication option (FR-A7NL) on the inverter. (Refer to page 6.) (2) Connect the LONWORKS node, option unit, network management computer, and terminating resistor with the cable for LONWORKS communication. Select a terminating resistor so that resistance values of R of the RC Minimum 100 F, 50V(min) network are the same as shown below.

  • Page 15: Wiring

    WIRING 3.2 Wiring (1) Strip off the sheath of the cable for LONWORKS communication. If the length of the sheath pealed is too long, a short circuit may occur among neighboring wires. If the length is too short, wires might come off.
  • Page 16 WIRING <When using one twisted pair cable> <When using two twisted pair cables> Twisted pair cable NET_A NET_A Twisted pair cable To be connected to NET_B NET_B To be connected other node to other node REMARKS Change the number of twisted pair cables to insert in NET_A and NET_B according to the system used. (3) Connect the terminal block to the connector for communication of the communication option.
  • Page 17 WIRING (4) For wiring of the 30K(00620 (EC Version)) or less, route wires between the control circuit terminal block and front cover. If cables can not be routed between the control circuit terminal block and front cover (5.5K or less, 37K or more...7.76mm, 7.5K to 30K...7.26mm), remove a hook of the front cover and use a space become available.

  • Page 18: Inverter Setting

    0, 1, 2, 3 selection NET mode operation command source 0, 1, 9999 9999 selection Parameters which can be displayed when the plug-in option (FR-A7NL) is mounted. 60Hz for the Japanese version and 50Hz for the EC and CH version.

  • Page 19: Operation Mode Setting

    INVERTER SETTING 4.2 Operation Mode Setting The inverter mounted with a communication option has three operation modes. (1) PU operation [PU]....Controls the inverter from the key of the operation panel (FR-DU07) mounted on the inverter. (2) External operation [EXT] ... Controls the inverter by switching on/off external signals connected to the control circuit terminals of the inverter.

  • Page 20: Operation Mode Switching And Communication Startup Mode (Pr. 79, Pr. 340)

    INVERTER SETTING 4.2.2 Operation mode switching and communication startup mode (Pr. 79, Pr. 340) (1) Operation mode switching conditions Before switching the operation mode, check that: 1) The inverter is at a stop; 2) Both the STF and STR signals are off; and 3) The Pr.
  • Page 21 INVERTER SETTING Pr. 340 Pr. 79 Operation Mode at Power on or Power Operation Mode Switchover Setting Setting Restoration 0 (initial Switching among the external, PU, and NET operation mode is External operation mode value) enabled PU operation mode PU operation mode fixed Switching between the external and Net operation mode is enabled External operation mode Switching to the PU operation mode is disallowed...
  • Page 22 INVERTER SETTING (3) Operation mode switching method External operation When "0, 1, or 2" is set in Pr. 340 Switching from the PU Switching from the network Press of the Switch to the external operation mode from PU to light Press the network.

  • Page 23: Operation And Speed Command Source (Pr. 338, Pr. 339, Pr. 550)

    INVERTER SETTING 4.3 Operation and Speed Command Source (Pr. 338, Pr. 339, Pr. 550) (1) Select control source for the network operation mode (Pr. 550) A control location for the network operation mode can be selected from either the inverter RS-485 terminal or communication option.
  • Page 24 INVERTER SETTING (2) Selection of control source for the network operation mode (Pr. 338, Pr. 339) ⋅ As control sources, there are operation command source that controls signals related to the inverter start command and function selection and speed command source that controls signals related to frequency setting.
  • Page 25 INVERTER SETTING Pr. 338 Communication operation 0:NET 1:External Control command source Location Remarks Pr. 339 Communication speed Selection 0:NET External 0:NET command source External External External FR-HC connection, instantaneous External power failure detection X12 PU operation external interlock External External DC injection brake External operation is started X14 PID control valid terminal...

  • Page 26: Communication Eeprom Write Selection (Pr. 342)

    INVERTER SETTING 4.3.1 Communication EEPROM write selection (Pr. 342) When parameter write is performed from the communication option, write to RAM is enabled. Set when frequent parameter changes are necessary. Parameter Initial Setting Name Description Number Value Range Parameter values written by communication are written to the Communication EEPROM write EEPROM and RAM.

  • Page 27: Operation At Communication Error Occurrence

    INVERTER SETTING 4.4 Operation at Communication Error Occurrence 4.4.1 Operation selection at communication error occurrence (Pr. 500 to Pr. 502) You can select operations at communication error occurrences by setting Pr. 500 to Pr. 502 under network operation. (1) The set time from when a communication line error occurrence until communication error output You can set the waiting time from when a communication line error occurs until it is recognized as a communication error.
  • Page 28 INVERTER SETTING (2) Display and erasure of communication error occurrence count The cumulative number of communication error occurrences can be indicated. Write "0" to erase this cumulative count. Parameter Minimum Setting Name Setting Range Initial Value Number Increments Communication error occurrence count display Normal Error...
  • Page 29 INVERTER SETTING (3) Inverter operation selection at communication error occurrence You can select the inverter operation if a communication line error or an error of the option unit itself occurs. Parameter Minimum Setting Name Setting Range Initial Value Number Increments Stop mode selection at 0, 1, 2, 3 communication error...
  • Page 30 INVERTER SETTING Operation at error removal Error Pr. 502 Setting Operation Indication Alarm Output Kept stopped E.OP1 kept lit Kept provided Communication line Restart Normal indication Not provided Continued 0, 3 Communication Kept stopped E. 1 kept lit Kept provided option itself 1, 2 CAUTION...

  • Page 31: Alarm And Measures

    INVERTER SETTING 4.4.2 Alarm and measures (1) The inverter operates as follows at alarm occurrences. Operation Mode Error Status External Network Location PU Operation Operation Operation Inverter operation Inverter trip Inverter trip Inverter trip Inverter Data communication Continued Continued Continued Inverter trip Inverter operation Continued...
  • Page 32 INVERTER SETTING (2) Measures at alarm occurrences Alarm Alarm Definition Measures Indication Check the LED status of the option unit and remove the cause of the alarm. Communication line (Refer to page 3 for LED indication status) E.OP1 error Check the other nodes on the network. Inspect the master.

  • Page 33: Inverter Reset

    INVERTER SETTING 4.5 Inverter Reset (1) Operation conditions of inverter reset Which resetting method is allowed or not allowed in each operation mode is described below. Operation Mode Resetting Method Network External Operation Operation Operation Inverter reset (Command request network Allowed Disallowed Disallowed...

  • Page 34: Function Overview

    To use the configuration software, an XIF file is necessary. XIF file is used to recognize device features and functions. For details of installation and XIF file usage, refer to the configuration software manual. XIF file can be downloaded from Mitsubishi Electric FA Network Service MELFANS web http://www.MitsubishiElectric.co.jp/melfansweb or obtained from your sales representative. CAUTION Since a write enable memory for application is not installed in the inverter, Mitsubishi does not provide application files (file extensions such as .nxe, .apb).

  • Page 35: Output From The Inverter To The Network

    FUNCTION OVERVIEW 5.2 Output from the Inverter to the Network Main items to be output from the inverter (FR-A7NL) to the network and their descriptions are explained below. Refer to Item Description Page Object status You can check the condition of the node.

  • Page 36: Input From The Network To The Inverter

    FUNCTION OVERVIEW 5.3 Input from the Network to the Inverter Main items which can be commanded from the network to the inverter and their descriptions are explained below. Refer to Item Description Page Object request You can make a request to know the object status. Start and stop/simple speed setting Perform start/stop and simple frequency setting.
  • Page 37 FUNCTION OVERVIEW Refer to Item Description Page You can set the heartbeat send time interval of output network Heartbeat send time interval variables. You can set the minimum heartbeat send time of output Minimum heartbeat send time network variables. Acceleration time Set the motor acceleration time.

  • Page 38: Network Variables

    NETWORK VARIABLES 6.1 Object Map This chapter describes detailed object definitions for use of LONWORKS system. Output network variables Input network variables Object status Object request Node object Start/stop and simple speed setting Variable Speed Motor Drive object Speed monitor Speed adjustment Inverter output signal Inverter input signal...

  • Page 39: Network Variable List

    NETWORK VARIABLES 6.2 Network Variable List Network Variables Setting Value Refer Size Initial No. Type Function Sorage (byte) Value Variables Name Location Page 1 SN Object request SNVT_obj_request nviRequest 2 SN Object status SNVT_obj_status nvoStatus Start/stop and simple speed state=HFF 3 SN SNVT_switch nviDrvSpeedStpt...
  • Page 40 18 SN Alarm occurrence definition SNVT_str_asc nvoInvAlarmStr (string) 19 SN Product information (maker MITSUBISHI SNVT_str_asc nvoInvTypeInfo name, type) (string) FR-A7NL 20 SN Emergency stop command SNVT_hvac_emerg nviEmergOverride 21 SN Emergency stop status SNVT_hvac_emerg nvoEmergStatus  state=H0 22 SN Alarm status SNVT_switch...
  • Page 41 NETWORK VARIABLES Network Variables Setting Value Refer Size Initial No. Type Function Sorage (byte) Value Variables Name Location Page 33 SC Forward/reverse rotation SNVT_count nciInvFwdRevLock Pr. 78 prevention 34 SC % set reference frequency Pr. 390 60Hz SNVT_freq_hz nciInvSetFreqBas (0.1Hz/bit) * 35 SC Maximum frequency (0.1Hz/bit) * Pr.
  • Page 42 NETWORK VARIABLES Network Variables Setting Value Refer Size Initial No. Type Function Sorage (byte) Value Variables Name Location Page 50 SC Reference speed setting 1800r/min Pr. 390 /1500r/min 87 SNVT_rpm nciNmlSpeed (1r/min/bit) 51 SC Reference frequency setting 60Hz/ SNVT_freq_hz nciNmlFreq Pr.

  • Page 43: Lonworks Object

    NETWORK VARIABLES 6.3 LONWORKS Object 6.3.1 Setting range of object ID The setting values of object ID are 0 to 4 and are as listed below. When any values 5 to 65535 are set for object ID, invalid_id bit of object status (nvoStatus) becomes 1 and a command set for object request is made invalid.

  • Page 44: Object Request (Network Input Snvt_Obj_Request Nvirequest)

    NETWORK VARIABLES 6.3.2 Object request (network input SNVT_obj_request nviRequest) You can make a request to know the object status. Initial Member Name Description Value object_id Stores the object ID. In external operation mode , it shifts to the network RQ_NORMAL operation mode.

  • Page 45: Object Status (Network Output Snvt_Obj_Status Nvostatus)

    NETWORK VARIABLES 6.3.3 Object status (network output SNVT_obj_status nvoStatus) You can indicate the condition of the node. Member Name Description Initial Value object_id The setting value of object request (nviRequest) written to object_id is displayed. Changes to "1" if an illegal object ID is specified in object_id of the object request invalid_id (nviRequest), invalid_request...

  • Page 46: Variable Speed Motor Drive Object

    NETWORK VARIABLES 6.4 Variable Speed Motor Drive Object 6.4.1 Start/stop and simple speed setting (network input SNVT_switch nviDrvSpeedStpt) You can set "start/stop" and "simple setting of set frequency". ⋅ Set start/stop in state. The rotation direction (forward/reverse rotation) is determined by whether "speed adjustment (nviDrvSpeedScale)"...

  • Page 47: Speed Adjustment (0.005% Increments) (Network Input Snvt_Lev_Percent Nvidrvspeedscale)

    NETWORK VARIABLES 6.4.2 Speed adjustment (0.005% increments) (network input SNVT_lev_percent nviDrvSpeedScale) You can set the frequency command in 0.005% increments on the assumption that the frequency set in "reference frequency setting (nciNmiFreq) is 100%. (Refer to page 87) ⋅ The motor is in forward rotation status with positive value and in reverse rotation status with negative value.

  • Page 48: Speed Monitor (0.005% Increments) (Network Output Snvt_Lev_Percent Nvodrvspeed)

    NETWORK VARIABLES 6.4.3 Speed monitor (0.005% increments) (network output SNVT_lev_percent nvoDrvSpeed) You can set the frequency command in 0.005% increments on the assumption that the frequency set in "reference frequency setting (nciNmiFreq)" is 100%. (Refer to page 87) ⋅ A positive value indicates the motor is in the forward rotation status and a negative value indicates that the motor is in the reverse rotation status.

  • Page 49: Inverter Basic Functions

    NETWORK VARIABLES 6.5 Inverter Basic Functions 6.5.1 Inverter input signal (network input SNVT_state nviInvInputSig) A 16-bit-wide input signal to the inverter. ⋅ The initial value of all bits are"0". ⋅ Data acceptance timing ... At network variable receive (nv_update_occurs event) Signal Name Description OFF :Stop command...

  • Page 50: Inverter Output Signal (Network Output Snvt_State Nvoinvoutputsig)

    NETWORK VARIABLES 6.5.2 Inverter output signal (network output SNVT_state nvoInvOutputSig) A 16-bit-wide output signal to the inverter. ⋅ Data send timing ..... As set in Pr. 388 Heartbeat send time interval and Pr. 389 Minimum heartbeat send time. (Refer to page 75) ÅF Signal Name Description...

  • Page 51: Set Frequency Write Destination Selection (Network Input Snvt_Switch Nviinvsetfreqsw)

    NETWORK VARIABLES 6.5.3 Set frequency write destination selection (network input SNVT_switch nviInvSetFreqSw) When writing the set frequency of any of the following network variable, you can select either of the internal memories of the inverter, RAM and EEPROM, as the write destination. Network Variables Supported Set frequency (0.1Hz increments) (nviInvSetFreq) Refer to page 45...

  • Page 52: Set Frequency (0.1Hz Increments) (Network Input Snvt_Freq_Hz Nviinvsetfreq)

    NETWORK VARIABLES 6.5.4 Set frequency (0.1Hz increments) (network input SNVT_freq_hz nviInvSetFreq) You can set the frequency command in 0.1Hz increments. Data Name Initial Value Range Increments nviInvSetFreq H7FFF 0.0Hz to 400.0Hz, H7FFF 0.1Hz/bit ⋅ Data acceptance timing ... At network variable receive (nv_update_occurs event) REMARKS ⋅...

  • Page 53: Output Frequency Monitor (0.1Hz Increments) (Network Output Snvt_Freq_Hz Nvoinvoutfreq)

    NETWORK VARIABLES 6.5.6 Output frequency monitor (0.1Hz increments) (network output SNVT_freq_hz nvoInvOutFreq) You can monitor the output frequency of the inverter in 0.1Hz increments. Data Name Initial Value Range Increments nvoInvOutFreq 0.0Hz 0.0Hz to 400.0Hz 0.1Hz/bit ⋅ Data send event ...... When data changes in 0.1Hz increments ⋅...

  • Page 54: Output Frequency Monitor (0.005% Increments) (Network Output Snvt_Lev_Percent Nvoinvoutfreqp)

    NETWORK VARIABLES 6.5.7 Output frequency monitor (0.005% increments) (network output SNVT_lev_percent nvoInvOutFreqP) You can monitor the output frequency of the inverter in 0.005% increments on the assumption that the frequency set in "% set reference frequency (nciInvSetFreqBas) " is 100%. (Refer to page 73.) Data Name Initial Value Range...

  • Page 55: Output Current Monitor (0.1A Increments) (Network Output Snvt_Amp Nvodrvcurnt)

    NETWORK VARIABLES 6.5.8 Output current monitor (0.1A increments) (network output SNVT_amp nvoDrvCurnt) You can monitor the output current of the inverter in 0.1A increments. Data Name Initial Value Range Increments nvoDrvCurnt 0.0A 0.0A to 3276.7A 0.1A/bit ⋅ Data send event ...... When data changes in 0.1A increments ⋅...

  • Page 56: Cumulative Power Monitor (1Kwh Increments) (Network Output Snvt_Elec_Kwh Nvodrvrunpower)

    NETWORK VARIABLES 6.5.11 Cumulative power monitor (1kWh increments) (network output SNVT_elec_kwh nvoDrvRunPower) You can monitor the cumulative power of the inverter in 1kWh increments. You can select monitoring data from either BCD code data or binary data according to Pr. 170 Watt-hour meter clear.

  • Page 57: Alarm Occurrence Definition (Network Output Snvt_Str_Asc Nvoinvalarmstr)

    NETWORK VARIABLES 6.5.13 Alarm occurrence definition (network output SNVT_str_asc nvoInvAlarmStr) At inverter alarm occurrence, you can confirm the alarm definition of the inverter with a character string. ⋅ If an inverter alarm occurs at power-on/inverter reset, data is Definition (ASCII code) not sent before the Pr.387 Initial communication delay time Storage position (Alarm code)
  • Page 58 NETWORK VARIABLES +6 to +30 Definition Alarm Code Character 1 Character 2 Character 3 G(H47) F(H46) Space(H20) L(H4C) F(H46) Space(H20) O(H4F) H(H48) T(H54) P(H50) T(H54) C(H43) O(H4F) P(H50) T( H54) O(H4F) P(H50) 1(H31) P(H50) E(H45) Space(H20) P(H50) U(H55) E(H45) R(H52) E(H45) T(H54) P(H50)

  • Page 59: Product Information (Maker Name, Type) (Network Output Snvt_Str_Asc Nvoinvtypeinfo)

    NETWORK VARIABLES 6.5.14 Product information (maker name, type) (network output SNVT_str_asc nvoInvTypeInfo) When an alarm has occurred at the inverter, you can send the "maker name (MITSUBISHI)" and "type (FR- A7NL)" data as a character string (ASCII). At power-on/inverter reset, data is not sent before the Pr.387 Initial communication delay time (nciPwUpOutTm) (Refer to page 71).

  • Page 60: Emergency Stop Command (Network Input Snvt_Hvac_Emerg Nviemergoverride)

    NETWORK VARIABLES 6.5.15 Emergency stop command (network input SNVT_hvac_emerg nviEmergOverride) You can give an emergency stop command during inverter operation. If "EMERG_SHUTDOWN" is requested during inverter operation, the inverter decelerates to a stop independently of the operation mode. Data Name Initial Value Range Description...

  • Page 61: Emergency Stop Status (Network Output Snvt_Hvac_Emerg Nvoemergstatus)

    NETWORK VARIABLES 6.5.16 Emergency stop status (network output SNVT_hvac_emerg nvoEmergStatus) You can indicate the emergency stop status of the inverter. Name Initial Value Range Description EMERG_NORMAL During normal or emergency stop cancel nvoEmergStatus EMERG_SHUTDOWN During emergency stop ⋅ Data send event ...... When the value data changes at emergency stop command receive ⋅...

  • Page 62: Alarm Status (Network Output Snvt_Switch Nvodrvalarm)

    NETWORK VARIABLES 6.5.17 Alarm status (network output SNVT_switch nvoDrvAlarm) You can indicate the alarm status of the inverter. Range Data Name Operation state value Don't care Inverter normal (initial value) nvoDrvAlarm (not used) (initial value: 0) During inverter alarm ⋅ Data send timing ..... As set in Pr. 388 Heartbeat send time interval and Pr. 389 Minimum heartbeat send time.

  • Page 63: Inverter Pid Control Functions

    NETWORK VARIABLES 6.6 Inverter PID Control Functions System configuration example Input of set point and measured value Sensor Inverter Set point Standard network variables A7NL Measured value Set point nviInvPIDTarget Measured value Control node nviInvPIDValue Inverter start Inverter I/O signals Inverter I/O signals nviInvInputSig/nvoInvOutputSig PID action selection...

  • Page 64: Pid Set Point (Network Input Snvt_Lev_Percent Nviinvpidtarget)

    NETWORK VARIABLES 6.6.1 PID set point (network input SNVT_lev_percent nviInvPIDTarget) Enter the target value of air volume, temperature or the like in 0.005% increments. Data Name Initial Value Range Increments nviInvPIDTarget 0.000% 0.00% to 100.00% 0.005%/bit ⋅ Data acceptance timing ... At network variable receive (nv_update_occurs event) Example: When setting 30°C as the set point using a 10°C/0% and 50°C/100% detector, (30 - 10)

  • Page 65: Pid Measured Value (Network Input Snvt_Lev_Percent Nviinvpidvalue)

    NETWORK VARIABLES 6.6.2 PID measured value (network input SNVT_lev_percent nviInvPIDValue) Enter the measured value of air volume, temperature or the like in 0.005% increments. Data Name Initial Value Range Increments nviInvPIDValue 0.000% 0.00% to 100.00% 0.005%/bit ⋅ Data acceptance timing ... At network variable receive (nv_update_occurs event) Example: When the measured value is 25°C on a 10°C/0% and 50°C/100% detector, (25 - 10)

  • Page 66: Pid Deviation (Network Input Snvt_Lev_Percent Nviinvpiddev)

    NETWORK VARIABLES 6.6.3 PID deviation (network input SNVT_lev_percent nviInvPIDDev) Input the set value of air volume, temperature or the like in 0.005% increments. Data Name Initial Value Range Increments nviInvPIDDev 0.000% -100.00% to +100.00% 0.005%/bit ⋅ Data acceptance timing ... At network variable receive (nv_update_occurs event) Example: When the set point is 25°C and the current temperature is 30°C on a 10°C/0% and 50°C/100% detector (deviation: +5°C), ×...

  • Page 67: Inverter Extended Functions

    NETWORK VARIABLES 6.7 Inverter Extended Functions 6.7.1 Monitor code (network input SNVT_count nviInvMonCode) Set the monitor data you want to monitor. The monitor value enters "monitor data (nvoInvMonData)". (Refer to page 63) Data Name Initial Value Range Increments  nviInvMonCode H0 to H0036 ⋅...
  • Page 68 NETWORK VARIABLES <Monitor Code Table> Code Description (Increments) Increments 100% Value of Event Driven Detection Width (Refer to page 89)   H0000 No monitoring H0001 Output frequency 0.01Hz Pr. 55 Frequency monitoring reference setting H0002 Output current 0.01A/0.1A Pr. 56 Current monitoring reference setting H0003 Output voltage 0.1V 200V class: 400V, 400V class: 800V...
  • Page 69 NETWORK VARIABLES When a monitor code other than the above is set, monitor data (nvoInvMonData) becomes arbitrary value. The value of the first monitor is 0 and changes to the value previously monitored when switched from other monitor. The setting depends on the inverter capacity. (55K (01160-EC, 55K-CH) or less/75K (01800-EC, S75K-CH) or more) External I/O terminal monitor details <Input terminal monitor details>...

  • Page 70: Monitor Data (Network Output Snvt_Count Nvoinvmondata)

    NETWORK VARIABLES 6.7.2 Monitor data (network output SNVT_count nvoInvMonData) You can monitor the monitor description set in "monitor code (nviInvMonCode)". (Refer to pege 60) Data Name Initial Value Range Increments Refer to the monitor code nvoInvMonData 0 to 65535 table. (Page 60) ⋅...

  • Page 71: Set Frequency (0.01Hz Increments) (Network Input Snvt_Count Nviinvsetfreq2)

    NETWORK VARIABLES 6.7.3 Set frequency (0.01Hz increments) (network input SNVT_count nviInvSetFreq2) You can set the frequency command in 0.01Hz increments. Data Name Initial Value Range Increments nviInvSetFreq2 0.00Hz 0.00Hz to 400.00Hz 0.01Hz/bit ⋅ Data acceptance timing ... At network variable receive (nv_update_occurs event) Example: If you want to set 120.00Hz, set "12000", the value 100 times greater than the desired frequency.

  • Page 72: Command Request (Network Input Snvt_Str_Asc Nviinvcmdreq)

    NETWORK VARIABLES 6.7.5 Command request (network input SNVT_str_asc nviInvCmdReq) You can set the instruction code and written data for executing operation mode rewrite, parameter read and write, alarm history reference, parameter clear or the like. The format is as shown below. The data to be set are in ASCII code. The initial setting of +0 to +30 is 0. Command request is made Request flag Other than 01 Command request is not made...
  • Page 73 NETWORK VARIABLES Command List Read/ Instruction Item Data Description Write Code H0000: Network operation Read H007B H0001: External operation H0002: PU operation Operation mode H0000: Network operation Write H00FB H0001: External operation H0002: PU operation (When Pr. 72 = "6") H0000 to HFFFF: Last two b8 b7 alarm definitions...
  • Page 74 NETWORK VARIABLES Read/ Instruction Item Data Description Write Code Set frequency Write set frequency/speed to RAM or EEPROM. Write H00ED ⋅ H0000 to H9C40 (0 to 400.00Hz): (RAM) Frequency ..Increments 0.01Hz (Even when speed display is set using Pr. 37 and Pr. 144, Set frequency the value is displayed in 0.01Hz increments.) (RAM and...
  • Page 75 NETWORK VARIABLES Read/ Instruction Item Data Description Write Code All parameters return to the initial values. Any of four different all clear operations are performed according to the data. All clear types ( ...Clear, ×...not clear) Communication Calibration Other HEC, HF3, Data All parameter clear Write...
  • Page 76 NETWORK VARIABLES Command processing is performed in the following procedure. Network Data 1) Set the request flag for Inverter Storage other than 1. position (Example: 0) Request code +10 to +30 Send (command request) Request data 2) Set the request code. Request code 5) Send the command request (nviInvCmdReq) 3) Set the request data.

  • Page 77: Command Reply (Network Output Snvt_Str_Asc Nvoinvcmdreply)

    NETWORK VARIABLES 6.7.6 Command reply (network output SNVT_str_asc nvoInvCmdReply) Reply flag Reply to command request Gives a reply to the command H0000 Normal completion of command requested in "command request Command execution error (nviInvCmdReq) (Refer to page H0001: Mode error 65)".

  • Page 78: Configuration Properties

    NETWORK VARIABLES 6.8 Configuration Properties 6.8.1 Initial communication delay time (network input config SNVT_time_sec nciPwUpOutTm) You can set the time from when the inverter starts until when data is sent to LONWORKS at power-on or inverter reset. REMARKS ⋅ The parameter setting is made valid at power-on or inverter reset. ⋅...

  • Page 79: Forward/Reverse Rotation Prevention (Network Input Config Snvt_Count Nciinvfwdrevlock)

    NETWORK VARIABLES 6.8.2 Forward/reverse rotation prevention (network input config SNVT_count nciInvFwdRevLock) You can limit the rotation direction of the inverter. (Used to disable rotation in the wrong direction in a system where an air conditioning fan or the like is fixed in rotation direction.) Range Setting Value Data Name...

  • Page 80: Set Reference Frequency (Network Input Config Snvt_Freq_Hz Nciinvsetfreqbas)

    NETWORK VARIABLES 6.8.3 % set reference frequency (network input config SNVT_freq_hz nciInvSetFreqBas) You can set the reference frequency of "set frequency (nviInvSetFreqP) (Refer to page 45)" and "output frequency monitor (nvoInvOutFreqP) (Refer to page 47)". The % set reference frequency can not be set at less than the minimum frequency resolution of the inverter.

  • Page 81: Maximum Frequency (0.1Hz Increments) (Network Input Config Snvt_Freq_Hz Nciinvmaxfreq)

    NETWORK VARIABLES 6.8.4 Maximum frequency (0.1Hz increments) (network input config SNVT_freq_hz nciInvMaxFreq) You can set the maximum frequency to be output by the motor to the inverter in 0.1Hz increments. Setting Value Data Name Initial Value Range Increments Storage Location nciInvMaxFreq Initial value of Pr.

  • Page 82: Heartbeat Send Time Interval (Network Input Config Snvt_Time_Sec Ncisndhrtbt)

    NETWORK VARIABLES 6.8.6 Heartbeat send time interval (network input config SNVT_time_sec nciSndHrtBt) You can set the time interval at which data is sent to network in output network variable send. Data Name Initial Value Range Increments nciSndHrtBt Parameter Name 0.0s to 999.8s 0.1s/bit Send time interval at hart beat ⋅...
  • Page 83 NETWORK VARIABLES Heartbeat send time (Pr.388, Pr.389) Pr. 388 Pr. 389 Operation Setting Setting Sends data when data send event occurs. * Network variables outputting data frequently (frequent changes) causes network congestion. In such cases, adjust by setting Pr. 392 Event driven detection width, Pr. 388 and Pr.
  • Page 84 NETWORK VARIABLES The network variables subject to the heartbeat send time Network Variables Refer to Function In/Out Variable Name Page Speed monitor (0.005%/bit) SNVT_lev_percent nvoDrvSpeed Inverter output signal SNVT_state nvoInvOutputSig Output frequency monitor (0.1Hz/bit) SNVT_freq_hz nvoInvOutFreq Output frequency monitor (0.005%/bit) SNVT_lev_percent nvoInvOutFreqP Output current monitor (0.1A/bit) SNVT_amp...

  • Page 85: Acceleration Time (Network Input Config Snvt_Time_Sec Ncirampuptm)

    NETWORK VARIABLES 6.8.8 Acceleration time (network input config SNVT_time_sec nciRampUpTm) You can set the time taken by the motor to accelerate from 0Hz to the set frequency (1 to 400Hz) of Pr. 20 Acceleration/deceleration reference frequency. (Refer to the inverter manual (applied) for details of Pr. 20.) Setting Value Data Name Initial Value...

  • Page 86: Deceleration Time (Network Input Config Snvt_Time_Sec Ncirampdowntm)

    NETWORK VARIABLES 6.8.9 Deceleration time (network input config SNVT_time_sec nciRampDownTm) You can set the time taken by the motor to decelerate from the set frequency (1 to 400Hz) of Pr. 20 Acceleration/deceleration reference frequency to 0Hz. (Refer to the inverter manual (applied) for details of Pr. 20.) Setting Value Data Name Initial Value...

  • Page 87: Pid Action Selection (Network Input Config Snvt_Count Nciinvpidswitch)

    NETWORK VARIABLES 6.8.10 PID action selection (network input config SNVT_count nciInvPIDSwitch) You can set whether the PID control of the inverter will be exercised or not. Setting Value Data Name Initial Value Range Increments Storage Location 10, 11, 20, 21, ...

  • Page 88: Pid Proportional Band (Network Input Config Snvt_Count Nciinvpidpro)

    NETWORK VARIABLES 6.8.11 PID proportional band (network input config SNVT_count nciInvPIDPro) You can set the proportional band of the PID control of the inverter. To disable integral control, set "0.0%" or "6553.5". Setting Value Data Name Initial Value Range Increments Storage Location nciInvPIDPro Initial value of Pr.

  • Page 89: Pid Differential Time (Network Input Config Snvt_Time_Sec Nciinvpiddifftm)

    NETWORK VARIABLES 6.8.13 PID differential time (network input config SNVT_time_sec nciInvPIDDiffTm) You can set the differential time of the PID control of the inverter. To disable differential control, set "0.0s" or "6553.5". Setting Value Data Name Initial Value Range Increments Storage Location nciInvPIDDiffTm Initial value of Pr.

  • Page 90: Pid Manipulated Variable Gain (0.1Hz Increments) (Network Input Config Snvt_Freq_Hz Nciinvpidopegain)

    NETWORK VARIABLES 6.8.15 PID manipulated variable gain (0.1Hz increments) (network input config SNVT_freq_hz nciInvPIDOpeGain) You can set the manipulated variable of the inverter in 0.1Hz increments when the deviation (difference between set point and process variable) under PID control is 100%. Setting Value Data Name Initial Value...

  • Page 91: Heartbeat Receive Time Interval (Network Input Config Snvt_Time_Sec Ncircvhrtbt)

    NETWORK VARIABLES 6.8.16 Heartbeat receive time interval (network input config SNVT_time_sec nciRcvHrtBt) You can set the time interval at which input network variables data is received from the network. When the receive interval time from the network has risen above the setting, it is considered as a communication line error, then "option alarm (E.OP1)"...
  • Page 92 NETWORK VARIABLES Network variables supported The following network variables are subject to the receive interval time. Network Variables Refer to Function In/Out Page Variable Name Start and stop/simple speed setting SNVT_switch nviDrvSpeedStpt Speed adjustment SNVT_lev_percent nviDrvSpeedScale Inverter input signal SNVT_state nviInvInputSig Set frequency (0.1Hz/bit) SNVT_freq_hz...

  • Page 93: Maximum Speed (0.005% Increments) (Network Input Config Snvt_Lev_Percent Ncimaxspeed)

    NETWORK VARIABLES 6.8.17 Maximum speed (0.005% increments) (network input config SNVT_lev_percent nciMaxSpeed) You can set the maximum speed to be output by the inverter to the motor. Set the maximum speed in 0.005% increments using the setting value of "reference speed setting (nciNmlSpeed) (page 87)"...

  • Page 94: Reference Speed Setting (Network Input Config Snvt_Rpm Ncinmlspeed)

    NETWORK VARIABLES 6.8.19 Reference speed setting (network input config SNVT_rpm nciNmlSpeed) Set the speed used as the reference of "speed adjustment (nviDrvSpeedScale) (page 40)", "speed monitor (nvoDrvSpeed) (page 41), "maximum speed (nciMaxSpeed) (page 86)", "minimum speed (nciMinSpeed) (page 86)". Setting Value Data Name Initial Value Range...

  • Page 95: Speed Adjustment Default Value (Network Input Config Snvt_Lev_Percent Ncidrvspeedscale)

    NETWORK VARIABLES 6.8.21 Speed adjustment default value (network input config SNVT_lev_percent nciDrvSpeedScale) You can set the default value of "speed adjustment (nviDrvSpeedScale) (Refer to page 40). Setting Value Data Name Initial Value Range Increments Storage Location  nciDrvSpeedScale 100.00% -163.840% to 163.830% 0.005%/bit ⋅...

  • Page 96: Event Driven Detection Width (Network Input Config Snvt_Lev_Percent Nciinvevtduty)

    NETWORK VARIABLES 6.8.22 Event driven detection width (network input config SNVT_lev_percent nciInvEvtDuty) You can set the event driven detection width (varying width) of the monitor-related output network variables. A 100% value that will be the basis of the detection width varies with the network variables. This setting can reduce traffic jams caused by occurrence of many send events due to consecutive value changes.
  • Page 97 NETWORK VARIABLES Network variables that allow setting of event driven detection width Refer Formula of Detection Width Name of Network Variables 100% Value (0.005% increments) Page As network variables supported and Speed monitor (0.005%/bit)  SNVT of detection width are the same SNVT_lev_percent nvoDrvSpeed type, set the value directly.

  • Page 98: Troubleshooting

    TROUBLESHOOTING Operation mode does not switch to network operation mode. Check that the communication option (FR-A7NL) and LONWORKS dedicated cables are fitted properly. (Check for contact fault, open cable, etc.) Check that the node addresses are set to the correct positions.

  • Page 99: Appendix

    Power on the inverter (inverter reset) again to (1) Confirmation of installation and connection change the mode to network operation mode. 1) Check that the FR-A7NL is mounted on the option (4) Perform LONWORKS communication connector of the inverter. (Refer to page 6)

  • Page 100: Example Of Inverter Parameter Clear

    APPENDIX Example of Inverter Parameter Clear following shows procedure make (2) Check status network LONWORKS communication again when inverter variables parameter clear is performed from LONWORKS Set LonMaker Browser to "Monitor All On" to turn on communication. monitoring of the inverter network variables. (1) Perform parameter clear (When "Monitor All OFF"...
  • Page 101 REVISIONS *The manual number is given on the bottom left of the back cover. Print Date *Manual Number Revision First edition May, 2004 IB(NA)-0600168ENG-A Jul., 2004 IB(NA)-0600168ENG-B Addition Compatible with the FR-F700 series 75K or more Compatible with the FR-F700-EC series and FR-F700-CH series.

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