Unipulse F320 Operation Manual
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Unipulse F320 Operation Manual

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F320
DIGITAL INDICATOR
　　　　　　　　　　　
　　　　　
OPERATION MANUAL
17 May. 2012
Rev. 1.07

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Summary of Contents for Unipulse F320

  • Page 1 F320 DIGITAL INDICATOR 　　　　　　　　　　　 　　　　　 OPERATION MANUAL 17 May. 2012 Rev. 1.07...
  • Page 2 Modbus protocol. To take full advantage of the F320’s excellent performance and to use it safely, carefully read this operation manual and properly understand the descriptions in this manual before use.
  • Page 3 SAFETY PRECAUTIONS SAFETY PRECAUTIONS Be sure to read for safety. In order to have an F320 Digital Indicator used safely, notes I would like you to surely follow divide into , and are indicated by the following documents. Notes WARNING CAUTION indicated here are the serious contents related to safely.
  • Page 4 SAFETY PRECAUTIONS WARNING Warning on design ● For the entire system to function safely when the F320 becomes faulty or malfunctions, provide a safety circuit outside the F320. Warning on installation ● Do not modify the F320. Doing so may cause fire or electric shocks.
  • Page 5 SAFETY PRECAUTIONS WARNING Warning during startup and maintenance ● Use at a proper power supply voltage. ● Do not damage the power cord. Doing so may cause fire or electric shocks. ● Do not touch any signal input/output terminal while applying power. Doing so may cause electric shocks or malfunctions.
  • Page 6 Caution during startup and maintenance ● For turning on/off the power, be sure to keep intervals of 5 seconds or more. ● If the F320 is not used by the specified method, its protective performance may be impaired. Caution during transportation ●...
  • Page 7 CONFORMITY TO EC DIRECTIVES CONFORMITY TO EC DIRECTIVES The F320 digital indicator conforms to EC directives (based on the EC Council of Ministers), carrying a CE mark. ・ Low-voltage directive:IEC/EN61010-1:2001(overvoltage category II) ・ EMC directives: EN61326-1:1997, A1:1998, A2:2001 EN55011:1998, A1:1999 ClassA...
  • Page 8 AC cable*: One Ferrite core Ferrite core for power cable*: One for sensor cable: One (With binding band) (With binding band) Terminating resistance: One 3P-2P conversion adapter*: One （For RS-485） F320 DIGITAL INDICATOR 　　　　　　　　　　　 　　　　　 OPERTATION MANUAL F320 operation manual: One...
  • Page 9 CONTENTS OF THE PACKAGE Case (FCN-360C032-B): Two Screws: Two M2 nuts: Four Connector (FCN-361J032-AU): One M2×10 pan-head machine screws (long): Two M2×8 pan-head machine screws (short): Two Washers: Two Assembly M2 nut (four) M2×10 pan-head machine screws (long) M2×8 pan-head machine screw (short) (two) Washer (two) Case (two) Connector...

  • Page 10: Table Of Contents

    CONTENTS CONTENTS 1．FUNCTIONAL DESCRIPTIONS ..........1 1-1．Front Panel .................... 1 1-1-1Status Display ..................1 1-1-2Numerical Display ................2 1-1-3Setting Key Pad ................... 3 1-2．Rear Panel ..................... 5 1-2-1Protective Ground ................5 1-2-2Frame Ground (Frame terminal) ............5 1-2-3Options Slot ..................5 1-2-4AC Power Input Terminal Block ............
  • Page 11 CONTENTS 5．CALIBRATION ..............29 5-1．Equivalent Input Calibration Procedure ........... 30 5-2．Actual Load Calibration ..............36 6．SETTING OF FUNCTIONS ...........42 6-1．High /Low Limit Value ................ 42 6-2．High / Low Limit Comparison Mode ..........45 6-3．Hysteresis .................... 46 6-4．Digital Offset ..................49 6-5．Near Zero ..................... 50 6-6．Digital Filter ..................
  • Page 12 CONTENTS 8．DIGITAL ZERO FUNCTION ..........70 9．RS-485 INTERFACE 　　(Communication protocol; Modbus-RTU) .......71 9-1．Communication Specifications ............71 9-1-1Standards ..................71 9-1-2Data Address ..................72 9-2．Connecting RS-485 ................73 9-2-1One-to-one Connection ..............73 9-2-2Multiple Connection ................73 9-2-3RS-485 Communication Method ............74 9-2-4RS-485 ID ................... 75 9-2-5RS-485 Transmission Delay Time ...........
  • Page 13 13-2．Calibration Error Display ............... 100 14．SELF-CHECK FUNCTION AND INITIALIZATION ...101 14-1．Self-Check ..................101 14-2．Initialization ..................103 14-3．F320 Block Diagram ............... 105 15．DIMENSIONS (Standard) ..........106 15-1．Dimensions (When the BCO option is equipped) ......107 15-2．Dimensions (When the DAV/DAI option is equipped) ....108 16．SPECIFICATIONS ............109...
  • Page 14 CONTENTS...

  • Page 15: 1Functional Descriptions

    Setting Key Pad 1-1-1. Status Display The F320 status is indicated. Setting items are indicated when setting. This LED turns on when the indicated value is larger than the set value of the high limit（indicated value > high limit） Operation of the high limit relay is on.
  • Page 16 1FUNCTIONAL DESCRIPTIONS 1-1-2. Numerical Display The three types of display are provided. 1）Indicated value 2）Set value 3）Overflow display • Minus overflow of the A/D converter （ - LOAD） • Plus overflow of the A/D converter （LOAD） • Indicated value overflowed （indicated value < -19999） （OFL1）...

  • Page 17: 1-1-3Setting Key Pad

    1FUNCTIONAL DESCRIPTIONS 1-1-3. Setting Key Pad These are keys for commanding settings and operations. Valid During Setting. ＋ － HOLD GAIN ZERO Valid During Indicated Value Display. <During indicated value display> ＋ － Enters the setting mode. Setting mode “F1” is displayed. Indicated value display Setting mode “F1”...
  • Page 18 1FUNCTIONAL DESCRIPTIONS <During indicated value display> ZERO Enters the zero calibration mode (when the calibration LOCK is OFF). Forcibly zeros the indicated value by the digital zero function (when the calibration LOCK is ON). <During setting> Selects the setting mode and the flashing digit of the setting value.

  • Page 19: Rear Panel

    1FUNCTIONAL DESCRIPTIONS 1-2. Rear Panel Protective Ground Frame Ground Option Slot AC Input Terminal Block 1-2-1. Protective Ground This is a protective ground terminal block. Be sure to ground the protective ground terminal to prevent electric shocks and failures by static electricity. (The frame and protective ground terminal are conducted.) Do not use other screws than that attached to the main body (M4×8 binding-head machine screw with a toothed washer).

  • Page 20: 1-2-4Ac Power Input Terminal Block

    1FUNCTIONAL DESCRIPTIONS 1-2-4. AC Power Input Terminal Block Connect AC power code. The input voltage is 100V to 240V AC. The frequency is 50/60Hz. 1-2-5. Signal Input/Output Terminal Block This terminal block is used for input/output of control signals and input of strain gauge sensor signals.
  • Page 21 1FUNCTIONAL DESCRIPTIONS Terminals for inputting digital zero signals. A5 • A6: Available in calibration LOCK ON only. DZ input Terminals for inputting hold signals A7 • A6: Hold input Terminal for output of a voltage proportional to the sensor input. A8 •...

  • Page 22: 2Installing In A Control Panel

    2INSTALLING IN A CONTROL PANEL 2 INSTALLING IN A CONTROL PANEL Install the F320 in a control panel by the following procedures. 1. Make a hole in the panel according to the panel cutout dimensions. ＋ 1 92mm Panel cutout ＋...

  • Page 23: 3．Connection

    3.CONNECTION 3. CONNECTION Precautions about connection to the signal input/output terminal block are given below.The precautions described here are important for safety. Please properly understand the descriptions before connection. WARNING • Do not connect a commercial power source directly to the signal input/output terminals. •...

  • Page 24: Connecting Strain Gauge Sensor

    +EXC -SIG -EXC +SIG Strain gauge sensor input ◇ Attaching a Ferrite Core Wind the sensor cable around the attached ferrite core. If necessary fix the binding band. Wind the cable (one turn) around the ferrite core. Ferrite core F320 Sensor cable...
  • Page 25 ◇ 4-wire Strain Gauge Sensor （ + EXC） + IN （ - SIG） - OUT + OUT F320 （ - EXC） - IN （ + SIG） （SHIELD） ◇ 6-wire Strain Gauge Sensor For connecting a 6-wire strain gauge sensor, short-circuit +EXC and +S, and –EXC and –S.

  • Page 26: Connecting Power Input Terminal

    3.CONNECTION 3-2. Connecting Power Input Terminal 3-2-1. AC Spec. Connect the AC power cord. The input voltage is 100V to 240V AC. The frequency is 50/60Hz. Protective ground (functional ground) F.G. Within 6mm Black White Green ← Color indication for accessory AC cable. 1.
  • Page 27 7A. For use at voltages exceeding the rating and for overseas use, have a separate AC cable prepared. • Since the F320 has no power switch, install a breaker. • Be sure to ground the protective ground terminal to prevent electric shocks and failures by static electricity.
  • Page 28 ◇ Connecting a Lightning Surge Protector To take measures against lightning surge, install a lightning surge protector. EN61000-4-5 (lightning surge immunity) out of the EMC directives applies to the F320 body and lightning surge protector in combination. F320 Lightning surge protector...

  • Page 29: 3-2-2Dc Spec. ( Depending On The Request At The Time Of Order )

    3. Remove the two screws at the lower left of the terminal block. Connect the positive(+) side of the power source to the red screw side of the terminal block on the back of the F320, and its negative(-) side to the black screw side.
  • Page 30 • Be aware that the voltage drops depending on the wire thickness and length. Also, never input AC power source. Doing so will cause a failure. • Since the F320 has no power switch, install a breaker. • Be sure to ground the protective ground terminal to prevent electric shocks and failures by static electricity.
  • Page 31 ◇ Connecting a Lightning Surge Protector To take measures against lightning surge, install a lightning surge protector. EN61000-4-5 (lightning surge immunity) out of the EMC directives applies to the F320 body and lightning surge protector in combination. F320 Lightning surge protector...

  • Page 32: Connecting High / Low Limit Relays

    3.CONNECTION 3-3. Connecting High / Low Limit Relays • Connecting External Load 　　　　　　　　　[ High limit relay ] AC Power Supply Spark Killer F320 Varistor Connect a spark killer as near the load as possible. Load [ Low limit relay ]...

  • Page 33: Connecting Hold And Digital Zero Signals

    3.CONNECTION 3-4. Connecting Hold and Digital Zero Signals • Equivalent Circuit （Input） [ Hold input ] F320 Inside ← Outside → Toggleelay switch +12V Relay Contact Ic=Approx. Transistor Push switch TTL open collect output [ DZ input ] (ON when IN is ’H) Connect A5 and A6.

  • Page 34: Connecting Analog Monitor Output (Vol Out)

    3.CONNECTION 3-5. Connecting Analog monitor Output (VOL OUT) Terminal for out put of a voltage proportional to the sensor input . Output voltage is approx. 2V per 1mV/V(sensor input). F320 ← Inside Outside → External device Load resistance 2kΩor above CAUTION •...

  • Page 35: 4．Setting Mode Configuration

    4.SETTING MODE CONFIGURATION 4. SETTING MODE CONFIGURATION 4-1. Selection of Setting Items Indicated value display ＋ － ＋ － Setting Mode 1 Setting Mode 2 ZERO ZERO GAIN GAIN High Limit Digital Filter （P.42 ） （P.51 ） GAIN GAIN Low Limit Analog Filter （P.42 ）...
  • Page 36 4.SETTING MODE CONFIGURATION Setting Mode3 Setting Mode4 ZERO GAIN GAIN Set Value LOCK RS-485 （P.58 ） Communication Method （P.74 ） GAIN GAIN Calibration LOCK （P.59 ） RS-485 ID （P.75 ） ZERO key RS-485 Transmission Valid / Invalid （P.60 ） Delay Time （P.76 ）...

  • Page 37: Display Of Setting Items

    4.SETTING MODE CONFIGURATION 4-2. Display of Setting Items Blnking • Mode1 （1）High Limit PEAK HOLD （2）Low Limit PEAK HOLD （3）High/Low Limit Comparison PEAK HOLD Mode PEAK HOLD （4）Hysteresis PEAK HOLD （5）Digital Offset PEAK HOLD （6）Near Zero • Mode2 （1）Digital Filter PEAK HOLD （2）Analog Filter...
  • Page 38 4.SETTING MODE CONFIGURATION • Mode3 （1）Set Value LOCK PEAK HOLD （2）Calibration LOCK PEAK HOLD （3）ZERO key Valid / Invalid PEAK HOLD （4）HOLD key Valid / Invalid PEAK HOLD （5）Scale Division PEAK HOLD （6）Display Frequency PEAK HOLD （7）Decimal Place PEAK HOLD PEAK HOLD （8）Excitation Voltage...

  • Page 39: List Of Values

    4.SETTING MODE CONFIGURATION 4-3. List of Values Setting Mode1 Item Default Setting range Set Value Calibration Reference LOCK LOCK page High Limit P.42 075.00 -19999 to 19999　* ○ Low Limit P.42 025.00 -19999 to 19999　* ○ 3 : Comparison is made at stable status except for near zero.
  • Page 40 4.SETTING MODE CONFIGURATION Setting Mode3 Item Default Setting range Set Value Calibration Reference LOCK LOCK page 1 : ON Set Value LOCK P.58 0 : OFF 1 : ON Calibration LOCK P.59 0 : OFF 1 : Invalid ZERO key Valid / Invalid P.60 0 : Valid 1 : Invalid...
  • Page 41 4.SETTING MODE CONFIGURATION Setting Mode4 Item Default Setting range Set Value Calibration Reference LOCK LOCK page 5 : 38400bps 4 : 19200bps 3 : 9600bps Baud rate 2 : 4800bps 1 : 2400bps RS-485 0 : 1200bps Commu- P.74 ○ nication Character length Fixed at 8 bits...

  • Page 42: Setting Procedure

    4.SETTING MODE CONFIGURATION 4-4. Setting Procedure “F1” of setting Mode1 ＋ － is displayed. ZERO ZERO ZERO ZERO “F2” of setting Mode2 “F3” of setting Mode3 “F4” of setting Mode4 is displayed. is displayed. is displayed. GAIN GAIN GAIN GAIN Select a Select a Select a...

  • Page 43: 5．Calibration

    5.CALIBRATION 5. CALIBRATION "Calibration" refers to an operation whereby matching between the F320 and a strain gauge sensor is obtained. The F320 uses the two calibration methods as described below. ◇ Equivalent Input Calibration This approach uses no actual loads but key entry of the rated output value of the strain gauge sensor (mV/V) and the rating value (value to be displayed).

  • Page 44: Equivalent Input Calibration Procedure

    5.CALIBRATION 5-1. Equivalent Input Calibration Procedure The equivalent input calibration uses the following procedure : Release the Calibration LOCK that inhibits Releasing Calibration LOCK calibration. Set the decimal place. Setting Decimal Place （omissible if no desired value is present） Set the minimum value of the digital change Setting Scale Division desired （omissible if no desired value is present）...
  • Page 45 5.CALIBRATION • Releasing Calibration LOCK Releasing Calibration LOCK 1) Select setting mode 3. ＋ － ZERO ZERO 2) Select calibration lock. Press twice. HOLD Calibration LOCK 1 : ON 0 : OFF key to set the calibration lock of GAIN OFF（0）...
  • Page 46 5.CALIBRATION • Setting of Decimal Place （Omissible if no change is needed） Setting of Decimal Place 1) Select setting mode 3. ＋ － ZERO ZERO 2) Select decimal place. Press seven times. HOLD Decimal Place 3 : 88 . 888 2 : 888 .
  • Page 47 5.CALIBRATION • Setting of Scale Division （Omissible if no change is needed） Setting of Scale Division Select setting mode 3. ＋ － ZERO ZERO Select scale division. Press five times. HOLD Scale Division （ 001 to 100） key to set the scale division, GAIN ZERO then use...
  • Page 48 5.CALIBRATION • Equivalent Input Calibration Equivalent Input Calibration 1) Start the equivalent input Example of a sensor having the output value of 2.010mV/V for rated 100.00kgf （N） calibration. HOLD Rated Output Value （ 0.500 to 3.000mV/V） 2) Set the rated output value of the sensor. keys GAIN ZERO...
  • Page 49 5.CALIBRATION • Calibration LOCK CalibrationLOCK 1) Select setting mode 3. ＋ － ZERO ZERO 2) Select calibration lock. Press twice. HOLD Calibration LOCK 1 : ON 0 : OFF key to set the calibration lock of GAIN ON（1） ． then use key to validate the setting.

  • Page 50: Actual Load Calibration

    5.CALIBRATION 5-2. Actual Load Calibration The actual load calibration uses the following procedure Release the calibration LOCK that inhibits Releasing Calibration LOCK calibration. Set the decimal place. Setting Decimal Place （omissible if no desired value is present） Set the minimum value of the digital change Setting Scale Division desired.
  • Page 51 5.CALIBRATION • Releasing Calibration LOCK Releasing Calibration LOCK 1) Select setting mode 3. ＋ － ZERO ZERO 2) Select calibration lock. Press twice. HOLD Calibration LOCK 1 : ON 0 : OFF key to set the calibration lock of GAIN OFF（0）...
  • Page 52 5.CALIBRATION • Setting of Decimal Place （Omissible if no change is needed） Setting of Decimal Place 1) Select setting mode 3. ＋ － ZERO ZERO 2) Select decimal place. Press seven times. HOLD Decimal Place 3 : 88 . 888 2 : 888 .
  • Page 53 5.CALIBRATION • Setting of Scale Division （Omissible if no change is needed） Setting of Scale Division Select setting mode 3. ＋ － ZERO ZERO Select scale division. Press five times. HOLD Scale Division （ 001 to 100） key to set the scale division, GAIN ZERO then use...
  • Page 54 5.CALIBRATION • Actual Load Calibration Actual Load Calibration 1) Apply an actual load to the sensor and set the actual load value. HOLD GAIN Indicated Value of Actual Load Value keys to set the actual load value， GAIN ZERO then key to validate the setting.
  • Page 55 5.CALIBRATION • Calibration LOCK CalibrationLOCK 1) Select setting mode 3. ＋ － ZERO ZERO 2) Select calibration lock. Press twice. HOLD Calibration LOCK 1 : ON 0 : OFF key to set the calibration lock of GAIN ON（1） ． then use key to validate the setting.

  • Page 56: 6．Setting Of Functions

    6.SETTING OF FUNCTIONS 6. SETTING OF FUNCTIONS 6-1. High /Low Limit Value High / Low limit value are functions whereby the high output is turned on when the indicated value exceeds the high / low output is turned on when it drops below the low limit.
  • Page 57 6.SETTING OF FUNCTIONS • Timing Chart Indicated value High limit value Low limit value Time t1 to t4: MAX 15mS (relay operating time: MAX 10mS) Time from when the indicated value exceeds the high limit set value to when the relay turns ON Time from when the indicated value becomes the high limit set value or less to when the relay turns OFF Time from when the indicated value becomes the low limit set value or...
  • Page 58 6.SETTING OF FUNCTIONS Setting of High/Low Limit Value Select setting mode 1. ＋ － Select high limit value. HOLD High Limit Value （ -19999 to 19999） keys to set the high limit value. GAIN ZERO ＋ － Press key to place a minus sign. Press key to validate the setting.

  • Page 59: High / Low Limit Comparison Mode

    6.SETTING OF FUNCTIONS 6-2. High / Low Limit Comparison Mode Setting of High / Low Limit Comparison Mode Select setting mode 1. ＋ － Select high / low limit comparison mode. Press three times. HOLD High / Low Limit Comparison Mode 3 : Comparison is made at stable status except for near zero.

  • Page 60: Hysteresis

    6.SETTING OF FUNCTIONS 6-3. Hysteresis The Hysteresis function provides a range of high/low limit comparison off. Usually the high limit comparison is turned on when the indicated value is above the high limit value and turned off when below. If you set a hysteresis range, the comparison is turned off when the indicated value is below the high limit value by the hysteresis setting.
  • Page 61 6.SETTING OF FUNCTIONS • Hysteresis Operation By setting hysteresis, c h a t t e r i n g c a n b e prevented in such a case High limit as subtle fluctuations of value signals. Relay OFF Without hysteresis Relay ON Relay OFF With hysteresis...
  • Page 62 6.SETTING OF FUNCTIONS Setting of Hysteresis Select setting mode 1. ＋ － Select hysteresis. Press four times. HOLD Hysteresis （0000 to 9999） keys to set the hysteresis range， GAIN ZERO then use key to validate the setting. HOLD ＋ － To return to the indicated value display, press key.

  • Page 63: Digital Offset

    6.SETTING OF FUNCTIONS 6-4. Digital Offset This function subtracts a set value from the indicated value. If you make digital offset , the value which is obtained by subtracting the set value from the indicated value will be displayed. This is convenient when you cannot obtain zero by unloading the equipment for some reason or when you want to give offset.

  • Page 64: Near Zero

    6.SETTING OF FUNCTIONS 6-5. Near Zero The Near Zero function detects that the indicated value is near zero. Near Zero ON/OFF is closely related to High and Low Limit Comparison Mode. For details, see High and Low Limit Comparison Mode on page 45 . Setting of Near Zero Select setting mode 1.

  • Page 65: Digital Filter

    6.SETTING OF FUNCTIONS 6-6. Digital Filter This function minimizes instability of the weight value by calculating the average frequency of the data converted from analog to digital. The frequency of the moving average selected from OFF(0 or 1) to 256 times. A higher frequency will make a more stable display with slower response.

  • Page 66: Analog Filter

    6.SETTING OF FUNCTIONS 6-7. Analog Filter This is a lowpass filter filtering the strain gage sensors input signal and cutout the noise element. Lowpass filter cutout freguency is selectable in the 3/10/30/100/300/1k Hz. Setting of Analog Filter Select setting mode 2. ＋...

  • Page 67: Motion Detect

    6.SETTING OF FUNCTIONS 6-8. Motion Detect Setting of parameters for detecting stable measurement is required. If the difference between the current indicated value and that of 100msec before fall within the specified range and the status last for a specified time, indicated values are assumed stable.
  • Page 68 6.SETTING OF FUNCTIONS Setting of Motion Detect Select setting mode 2. ＋ － ZERO Select motion detect（time）. Press three times. HOLD Motion Detect (time) （0.0 to 9.9 sec.） keys to set GAIN ZERO the motion detect（time） then use key to validate the setting. HOLD Select motion detect（range）.

  • Page 69: Zero Tracking

    6.SETTING OF FUNCTIONS 6-9. Zero Tracking The Zero Tracking function automatically tracks and compensates a fine shift of the zero point due to a factor such as a drift. Setting of Zero Tracking Select setting mode 2. ＋ － ZERO Select zero tracking（Time）.
  • Page 70 6.SETTING OF FUNCTIONS ・When displacement of the zero point is within the set count of tracking and it continues more than the set time, it is automatically made zero by Zero Tracking function. ・The time (tracking delay) is set in the range of 0.1 - 9.9 sec., and the band (tracking band) is set in the range of 01 to 99.

  • Page 71: Hold Mode

    6.SETTING OF FUNCTIONS 6-10. Hold Mode The F320 provides the Peak Hold function to hold and display the peak value （maximum value） of the input signal, and the Sample Hold function to hold and display an optional point. Setting of Hold Mode Select setting mode 2.

  • Page 72: Set Value Lock

    6.SETTING OF FUNCTIONS 6-11. Set Value LOCK This function inhibits changes to setting to prevent set values from being changed by misoperation. Set value LOCK Select setting mode 3. ＋ － ZERO ZERO Select set value LOCK. HOLD Set Value LOCK 1 : ON 0 : OFF key to set the set value lock of ON（1）...

  • Page 73: Calibration Lock

    6.SETTING OF FUNCTIONS 6-12. Calibration LOCK The Setting value LOCK function inhibits changes to setting to prevent changes to set values or calibrated values through misoperation. CalibrationLOCK 1) Select setting mode 3. ＋ － ZERO ZERO 2) Select calibration lock. Press twice.

  • Page 74: Zero Key Valid / Invalid

    6.SETTING OF FUNCTIONS 6-13. ZERO Key Valid / Invalid This function validates/invalidates the operation of the ZERO key. ZERO Key Valid / Invalid Select setting mode 3. ＋ － ZERO ZERO Select zero key valid / invalid. Press three times. HOLD Zero Key Operation 1 : Invalid...

  • Page 75: Hold Key Valid / Invalid

    6.SETTING OF FUNCTIONS 6-14. HOLD Key Valid / Invalid This function validates/invalidates the operation of the HOLD key. HOLD Key Valid / Invalid Select setting mode 3. ＋ － ZERO ZERO Select hold key valid / invalid Press four times. HOLD Hold Key Operation 1 : Invalid...

  • Page 76: Scale Division

    6.SETTING OF FUNCTIONS 6-15. Scale Division This function sets the minimum value of the digital change. Setting of Scale Division Select setting mode 3. ＋ － ZERO ZERO Select scale division. Press five times. HOLD Scale Division （ 001 to 100） key to set the scale division, GAIN ZERO...

  • Page 77: Display Frequency

    6.SETTING OF FUNCTIONS 6-16. Display Frequency The Display frequency function is used to select the times the indicated values are displayed per second. A/D conversion count is fixed to 2000 per second. Setting of Display Frequency Select setting mode 3. ＋...

  • Page 78: Decimal Place

    6.SETTING OF FUNCTIONS 6-17. Decimal Place This function sets the Position of decimal point. Setting of Decimal Place 1) Select setting mode 3. ＋ － ZERO ZERO 2) Select decimal place. Press seven times. HOLD Decimal Place 3 : 88 . 888 2 : 888 .

  • Page 79: Excitation Voltage

    ＋ － CAUTION Use a strain gauge sensor to be connected to the F320 whose maximum excitation voltage is above the bridge excitation voltage specified. If the bridge excitation voltage is greater than the maximum excitation voltage of the sensor, the sensor may overheat or may be damaged.

  • Page 80: 7Hold Function

    7HOLD FUNCTION 7 HOLD FUNCTION 7-1. Peak Hold • Peak Hold Operation Indicated value Sensor input value Peak hold section Time Hold input HOLD Key input HOLD LED LED OFF LED ON LED OFF Peak hold start Peak hold reset PEAK LED LED OFF LED Blinking...
  • Page 81 7HOLD FUNCTION • Timing Chart Indicated value Sensor input value Time Detection/Hold Detection/Hold Section Section Hold input t1 to　t3 : MAX 5mS Time from when the hold signal is inputted to when the indicated value is held Time from when the hold signal is cancelled to when the indicated value returns to tracking Minimum reset signal width required for canceling the hold...

  • Page 82: Sample Hold

    7HOLD FUNCTION 7-2. Sample Hold • Sample Hold Operation Indicated value Sensor input value Time Hold input Hold section HOLD Hold section Key input HOLD LED LED OFF LED ON LED OFF • If the hold function is turned ON by external signal input, turn OFF the hold function by external signal input, and if the hold function is turned ON by key input, turn OFF the hold function by key input.
  • Page 83 7HOLD FUNCTION • Timing Chart Indicated value Sensor input value Time Hold section Hold input t1 to　t3 : MAX 5mS Time from when the hold signal is inputted to when the indicated value is held Time from when the hold signal is cancelled to when the indicated value returns to tracking Minimum reset signal width required for canceling the hold...

  • Page 84: 8．Digital Zero Function

    8.DIGITAL ZERO FUNCTION 8. DIGITAL ZERO FUNCTION This function zeros the indicated value. Digital Zero by Key Operation Perform digital zero. ZERO When the indicated value becomes zero, digital zero is completed. Digital Zero by External Signal Input At the instant when the digital zero input (A5) and COM (A6) on the signal input/output terminal block at the back are short-circuited, the digital zero function works to zero the indicated value.

  • Page 85: (Communication Protocol; Modbus-Rtu)

    The RS-485 interface is used to read out the indicated value and the state of the F320 and to write set values into the F320. It is convenient for connecting the F320 with a PLC/programmable display, etc., to perform processing, such as controlling, aggregating, and recording.

  • Page 86: 9-1-2Data Address

    9.RS-485 INTERFACE (Communication protocol; Modbus-RTU) 9-1-2. Data Address Data type Address Data name Data form Hold Holding reset Coil 1bit 0XXXX Digital zero Digital zero reset Hold Stable Near zero output Input Status Overload（LOAD,OFL） 1bit 1XXXX Zero tracking HI output LO output OK output Decimal place...

  • Page 87: Connecting Rs-485

    The terminal SG (the terminal B6) is a grand terminal used on the circuit for protecting the circuit.When the main body of F320 and the device connected to F320 grounded by D type ground, there is usually no need to use the terminal SG.

  • Page 88: 9-2-3Rs-485 Communication Method

    ＋ － To return to the indicated value display, press key. 2. According to the setting of the F320, make the initial setting of the RS-485 communication method of the connected Programmable display, PLC, etc. CAUTION Please do not set parity bit to "0: None" in Modbus communication.

  • Page 89: 9-2-4Rs-485 Id

    9.RS-485 INTERFACE (Communication protocol; Modbus-RTU) 9-2-4. RS-485 ID Set the ID of the F320. Setting of RS-485 ID 1) Select setting mode 4. ＋ － ZERO Press three times. 2) Select RS-485 ID. Press twice. RS-485 ID （01 to 32）...

  • Page 90: 9-2-5Rs-485 Transmission Delay Time

    9.RS-485 INTERFACE (Communication protocol; Modbus-RTU) 9-2-5. RS-485 Transmission Delay Time Set this time if the master device cannot process the responses from the F320. Frame Frame 3.5 char + transmission delay time [msec] Setting of RS-485 Transmission Delay Time 1) Select setting mode 4.

  • Page 91: 10．Bcd Data Output

    10.BCD DATA OUTPUT 10. BCD DATA OUTPUT The BCD data output interface is used to obtain the indicated value of the F320 as BCD data. It is convenient for connecting the F320 with a computer, process controller, PLC, etc., to perform processing, such as controlling, aggregating, and recording.

  • Page 92: Bcd Data Update Rate Selection

    10.BCD DATA OUTPUT 10-1. BCD Data Update Rate Selection Setting of BCD Data Update Rate Selection 1) Select setting mode 4. ＋ － ZERO Press three times. 2) Set the update rate of BCD parallel data output. Press four times. HOLD BCD Data Update Rate 4 : 2000times/sec.

  • Page 93: Sink Type (Bco Option)

    10.BCD DATA OUTPUT 10-2. Sink Type (BCO Option) Output Output signal: Indicated value data (5-digit), near zero, minus, over, stable, strobe Output logic: Switching between positive logic and negative logic Output type: Sink type When signal ON, output transistor ON. When the input unit such as PLC is connected, plus common is connected.

  • Page 94: 10-2-1Equivalent Circuit

    10.BCD DATA OUTPUT 10-2-1. Equivalent Circuit • Output F320 PLC input unit etc. +24V Sink type Plus common type Vceo=30V （max） A2 ～ A12 Ic=50mA （max） B2 ～ B13 A1， B1 +24VRTN ● Internal transistor status ● Output pin level...
  • Page 95 10.BCD DATA OUTPUT • Input F320 PLC output unit etc. Sink type A14， B14 Approx. A1， B1 CAUTION • Avoid applying external voltages to the signal input circuit. • Use external elements which withstands Ic=10mA or above • Leakage current from external element must be 30μA or below.

  • Page 96: 10-2-2Connector Pin Assignment

    10.BCD DATA OUTPUT 10-2-2. Connector Pin Assignment Signal Signal ＊ ＊ 1000 2000 4000 8000 10000 Near Zero Minus (polarity) Over P.C(stable) Strobe BCD Data Hold Logic Switching Compatible connector FCN-361J032-AU (manufactured by Fujitsu Component or an equivalent) Connector cover FCN-360C032-B (manufactured by Fujitsu Component or an equivalent) Near Zero The state of near zero is outputted.
  • Page 97 10.BCD DATA OUTPUT P.C and BCD data are outputted simultaneously when stable. Over It is outputted at the time of over scale(-LOAD, +LOAD, OFL1 or OFL2). Strobe Strobe pulses are outputted in synchronization with BCD data. Read data using the rising edges of the pulses. The setting of BCD data update rate can be changed.
  • Page 98 10.BCD DATA OUTPUT BCD Data Hold － Level input － The BCD data output signal is held. (The indicated value is not held.) It is carried out by pin A14. When level input is OFF, output signal is hold release. When level input is ON, output signal is hold.

  • Page 99: Source Type (Bsc Option)

    10.BCD DATA OUTPUT 10-3. Source Type (BSC Option) Output Output signal: Indicated value data (5-digit), near zero, minus, over, stable, strobe Output logic: Switching between positive logic and negative logic Output type: Source type When signal ON, output transistor ON. When the input unit such as PLC is connected, minus common is connected.

  • Page 100: 10-3-1Equivalent Circuit

    10.BCD DATA OUTPUT 10-3-1. Equivalent Circuit • Output F320 PLC input unit etc. +24V Source type Minus common type A1， B1 A2 ～ A12 B2 ～ B13 A16， B16 +24VRTN Internal transistor status Output pin level ● ● Output data...
  • Page 101 10.BCD DATA OUTPUT • Input F320 PLC output unit etc. +24V Souece type A14， B14 4.7k Vceo=30V （max） Ic=20mA （max） A16， B16 +24VRTN CAUTION • Avoid applying external voltages to the signal input circuit. • Use external elements which withstands Ic=10mA or above...

  • Page 102: 10-3-2Connector Pin Assignment

    10.BCD DATA OUTPUT 10-3-2. Connector Pin Assignment Signal Signal +24V +24V 1000 2000 4000 8000 10000 Near Zero Minus (polarity) Over P.C(stable) Strobe BCD Data Hold Logic Switching Compatible connector FCN-361J032-AU (manufactured by Fujitsu Component or an equivalent) Connector cover FCN-360C032-B (manufactured by Fujitsu Component or an equivalent) Near Zero The state of near zero is outputted.
  • Page 103 10.BCD DATA OUTPUT P.C and BCD data are outputted simultaneously when stable. Over It is outputted at the time of over scale(-LOAD, +LOAD, OFL1 or OFL2). Strobe Strobe pulses are outputted in synchronization with BCD data. Read data using edges of the pulses. The setting of BCD data update rate can be falling changed.
  • Page 104 10.BCD DATA OUTPUT BCD data hold － Level input － The BCD data output signal is held. (The indicated value is not held.) It is carried out by pin A14. When level input is OFF (non-conducting), output signal is hold release. When level input is ON (conducting), output signal is hold.

  • Page 105: 11．D/A Converter

    11-1. Voltage Output (DAV Option) This converter is used to obtain an analog output which is linked with the indicated value of the F320. The range of the analog output is from -10 to +10V. An analog output from 0V to ±10V can be obtained with respect to any digital values set by the D/A zero setting and the D/A full scale setting functions.

  • Page 106: 11-1-1Obtaining Voltage Output Signal

    11.D/A CONVERTER 11-1-1. Obtaining Voltage Output Signal Use the + and - terminals of the F320 for connection with an external device (2kΩ or more load resistance). F320 ← Inside Outside → External device Load resistance 2kΩ or more CAUTION •...

  • Page 107: 11-1-3About D/A Resolution

    11.D/A CONVERTER Example of Setting In the case where: D/A output mode.....0 (linked with indicated value) D/A zero setting ....00100 D/A full scale setting ..02100 Voltage （V） Resolution 1/10000 Indicated value -1900 2100 D/A zero set value D/A full scale set value Indicated value Voltage (V) -1900...

  • Page 108: Current Output (Dai Option)

    11-2. Current Output (DAI Option) This converter is used to obtain an analog output which is linked with the indicated value of the F320. The range of the analog output is from 4 to 20mA. An analog output from 4mA to 20mA can be obtained with respect to any digital values set by the D/A zero setting and the D/A full scale setting functions.

  • Page 109: 11-2-1Obtaining Current Output Signal

    11.D/A CONVERTER 11-2-1. Obtaining Current Output Signal Use the + and - terminals of the F320 for connection with an external device (350Ω or less load resistance). F320 ← Inside Outside → External device Load resistance; 350Ω or less CAUTION •...

  • Page 110: 11-2-3About D/A Resolution

    11.D/A CONVERTER Example of setting In the case where: D/A output mode.....0 (linked with indicated value) D/A zero setting ....00500 D/A full scale setting ..02500 Current （mA） Resolution 1/10000 Indicated value 2500 D/A zero set value D/A full scale set value Net weight Current (mA) 3.84...

  • Page 111: D/A Zero And Full Scale

    11.D/A CONVERTER 11-3. D/A Zero and Full Scale Set the D/A zero and full scale of the F320 as follows: Setting of D/A Zero and Full Scale 1) Select setting mode 4. ＋ － ZERO Press three times. 2) Select D/A zero.

  • Page 112: D/A Output Mode

    11.D/A CONVERTER 11-4. D/A Output Mode Set the D/A output mode of the F320 as follows: Setting of D/A Output Mode 1) Select setting mode 4. ＋ － ZERO Press three times. 2) Select D/A output mode. Press seven times.
  • Page 113 12.PASSWORD 12. PASSWORD By inputting the password, the contents of the memory can be rewritten (initialized) to factory-shipped ones. Though calibrated values (zero calibration and span calibration) stay unchanged, all the other set values are rewritten to factory-shipped values. Setting of Password 1) Select setting mode 4.

  • Page 114: 13．Overscale/Error Displays

    13.OVERSCALE/ERROR DISPLAYS 13. OVERSCALE/ERROR DISPLAYS 13-1. Overscale Display Minus overflow of the A/D converter （under -3.2mV/V between ± SIG） Plus overflow of the A/D converter （over 3.2mV/V between ± SIG） Indicated value overflowed （indicated value<-19999） Indicated value overflowed （indicated value>19999） 13-2.

  • Page 115: 14．Self-Check Function And Initialization

    1）Turn off the power to the F320. 2）Turn on the power with key held down. HOLD The self-check is completed in 30 seconds. The display " " should appear, then the indicate value should follow.This ensures that the F320 is in normal operation.
  • Page 116 14.SELF-CHECK FUNCTION AND INITIALIZATION Self-check （Visual-Check Sequence） *1: ROM version *2: Check sum *1 and *2 are subject to change.

  • Page 117: Initialization

    The Initialization is an operation to reset the memory to the factory setting. This operation resets all set values except calibrated values （obtained through zero calibration and span calibration） to the factory setting Setting Method 1）Turn off the power to the F320. 2）Turn on the power with keys held down. HOLD ZERO The initialization follows the self-check.
  • Page 118 14.SELF-CHECK FUNCTION AND INITIALIZATION Initialization Sequence *1: ROM version *2: Check sum *1 and *2 are subject to change.

  • Page 119: F320 Block Diagram

    14.SELF-CHECK FUNCTION AND INITIALIZATION 14-3. F320 Block Diagram...

  • Page 120: 15．Dimensions (Standard)

    15.DIMENSIONS (Standard) 15. DIMENSIONS (Standard) Unit : mm...

  • Page 121: Dimensions (When The Bco Option Is Equipped)

    15.DIMENSIONS (Standard) 15-1. Dimensions (When the BCO option is equipped) Unit : mm...

  • Page 122: Dimensions (When The Dav/Dai Option Is Equipped)

    15.DIMENSIONS (Standard) 15-2. Dimensions (When the DAV/DAI option is equipped) Unit : mm...

  • Page 123: 16．Specifications

    16.SPECIFICATIONS 16. SPECIFICATIONS 16-1. Analog Section Sensor excitationvoltage 10V or 2.5V DC±10% (The factory-shipped initial value is 2.5V.) Output current within 30mA Signal input range -3.0 to +3.0mV/V Equivalent input calibration range +0.5 to +3.0mV/V Equivalent input calibration error Within 0.1％FS（0.5mV/V input） Zero adjustment range 0 to ±...

  • Page 124: Indicator Section

    16.SPECIFICATIONS 16-2. Indicator Section Indicator Numerical display (5-digit), 15mm in character height, by 7-segment red LED Numeric 5digits ± (“ ” or nothing is displayed at the high order position of the indicator.) Indicatid value -19999 to 19999 Decimal point The display position is selectable.

  • Page 125: External Signals

    16.SPECIFICATIONS 16-4. External Signals High limit relay，Low limit relay，Analog monitor output， Hold signal input, Digital zero signal input. 16-5. Interface RS-485 communication interface (Communication protocol; Modbus-RTU) Signal level Based on RS-485 Transmission distance Approx. 1km Transmission method Asynchronous, half-duplex Transmission speed Selectable from 1200, 2400, 4800, 9600, 19200, and 38400bps...
  • Page 126 16.SPECIFICATIONS Input signal: BCD data hold, logic switching Input type: Dead-front contact input (self-contained power supply) Relay, switch, and transistor, etc. can be connected. The signal is inputed by short-circuited and opening the input terminal of the terminal COM. When the transistor is connected, NPN output type (sink type) is connected.
  • Page 127 16.SPECIFICATIONS D/A converter (voltage output) [DAV] Voltage output -10 to +10V (load resistance; 2kΩ or more) D/A conversion speed 2000 times/sec. Resolution 1/10000 Over range -11.0 to +11.0V Zero adjustment range Approx. -1.0 to +1.0V (at the time of zero output) Gain adjustment range Approx.

  • Page 128: General Specifications

    16.SPECIFICATIONS 16-7. General Specifications Power voltage AC spec: 100V to 240V AC（+10% -15%） [Free power supply 50Hz/60Hz] DC spec: 12V to 24V DC ( ± 15%) (Depending on the request at the time of order) Power consumption AC spec: 15W max. DC spec: 15W max.
  • Page 129 Unipulse Corporation 9-11 Nihonbashi Hisamatsucho, Chuo-ku, Tokyo 103-0005 Tel. +81-3-3639-6120 Fax: +81-3-3639-6130...

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