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Minebea CSD-891B Instruction Manual

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DIGITAL INDICATOR
CSD-891B
Instruction Manual
EN294-1143-M

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Summary of Contents for Minebea CSD-891B

  • Page 1 DIGITAL INDICATOR CSD-891B Instruction Manual EN294-1143-M...
  • Page 3 FOREWORD Thank you very much for your purchasing our Digital Indicator CSD−891B. This manual explains installation procedures and connecting method and also operating method for the Digital Indicator CSD−891B. Make use of it properly after reading through the manual carefully. Be sure to deliver the manual to the end user.
  • Page 4 Marks and arrangements used in this manual The following marks are attached to the explanation on the matters that indicate “Don’t do this.”, “Take care.” and “For reference”. Be sure to read these items where these marks are attached.  Warning ●...

  • Page 5: For Safe Operation

    For safe operation Be sure to read this instruction manual before use. 1. Installation place  ● Use the instrument where the temperature/humidity specifies with the range as follows： Environmental temperature ：−10 ℃ to 50 ℃ ：Less than 85 %R.H. (Non condensing) Environmental humidity (1) Location where installation is not allowed.
  • Page 6 (2) Installation  ● When installing the instrument, install as referring to the following figures and secure the space around the instrument. Each dimensions of the instrument and required dimensions for the environmental spaces are as follows: Outline dimensions Front Side 140.7 Unit：mm...

  • Page 7: Power Supply

    2. Power supply  Warning ● Be sure to check that the power supply is off in connecting each cable. If the work is done while the power is on, there may have the case that electric shock to the operator or even may have damage to the instrument.
  • Page 8  Warning ● When change of setting is made carelessly on the instrument during measurement, correct measured results may not be obtained and it may cause malfunction in the instrument and even have the possibility of damage in peripheral instruments. ...

  • Page 9: History Of Revision

    7−7. Detection of stability May. 2010 DRW.No.EN294-1143-G 7−7−1. Range to detect stability 7−7−2. Time to detect stability Due to ECN No.FN10−02026B − Change − Front cover logo is changed. Due to ECN No.FN10−02140 Oct. 2010 DRW.No.EN294-1143-H − Change − MInebea logo is changed.
  • Page 10 DRW.No.EN294-1143-I 9−3−4.“DE−9S−N(JAE)” to “DE−9S−NR by JAE or equivalent.” Due to ECN No.FN10−02140−D − Change − May 2012 DRW.NO.EN294-1143-J MInebea logo is changed. Due to ECN No.FN12−02115 ROM Ver. 2.000 or later − Change − 7−9 ”10 digit：Optional BCD output” digit：Optional output(BCD output, CC−Link load to ”10...

  • Page 11: Table Of Contents

    INDEX Ⅰ Forwards ..............Ⅱ...
  • Page 12 5−4−1. In case of executing the calibration on the instrument newly..5−4−2. When the calibration is executed again ......5−5.
  • Page 13 7−8−1. Selection of display rate ......... 7−8−2.
  • Page 14 10−1. Execute trouble shooting ..........10−2.

  • Page 15: General

    1. General The instrument is a digital indicator for the application of strain gage applied transducer. 1−1. Features Main features for CSD−891B are as follows : (1) Compact size The size of 208 mm×67 mm×143 mm is suitable for storage in the board. (2) Non−linearity Display 0.01 %F.S.

  • Page 16: Name And Function Of Each Point

    2. Name and function of each point 2−1. Front panel ① ② ⑫ ③ ④ ⑤ ⑥ ⑩ ⑦ ⑧ ⑨ ⑪ Load display section The load data is shown in the Measurement mode, and status or set value is shown in various kinds of Calibration mode and Setting mode.
  • Page 17  Using for executing the tare weight cancellation(A/Z ON).  Using for clearing the tare weight cancellation(A/Z OFF).  Using for calling the change mode of the set value, or carry up the numeric in the various setting.  Using for executing the zero set(one touched zero adjustment), or the numeric increment in the various setting.

  • Page 18: Installation Procedures

    3. Installation procedures 3−1. Installation place  ● Use the instrument where the temperature/humidity specifies within the range as follows: ：−10 ℃ to 50 ℃ Environmental temperature ：85 %RH or less(Non condensing.) Environmental humidity 3−2. Location where installation is not allowed. ...

  • Page 19: 3−3. Installation

    3−3. Installation  ● When installing the instrument, install as the following figures and secure the space around the instrument. Each dimensions of the instrument and required dimensions for the environmental spaces are as follows: Outline dimensions Front Side 140.7 Unit：mm...

  • Page 20: Connecting Method

    4. Connecting method 4−1. Layout of the terminal boards There is the terminal boards, which has 27 points of terminals. Layout of terminal boards are shown in the following figure.： Terminal Terminal Descriptions Applications Descriptions Applications Common for external control E(Shield) COM.

  • Page 21: 4−2. Note On Connection

    4−2. Note on connection  Warning ● In case of connection with the instrument, keep strictly to the following items. If neglected, it may cause an unexpected failure or a damage to the instrument. D Be sure to set the power supply to OFF, when the connection will be made. D Since the terminal boards at front of the instrument is made of resin, take care not to drop it down or not to apply strong impact.

  • Page 22: 4−3. Connection

    4−3. Connection 4−3−1. Connection with strain gage applied transducers The instrument can connect with strain gage applied transducers, such as load cell, pressure transducer and so on. Here, we will describe the example of connections with load cell, so the connection with another type of strain gage applied transducers shall be proceeded in the same way.
  • Page 23 Connection with 1 piece of load cell and CSD−891B Shield Green ※1 Blue ※1 Attached short bar White  ※1 When tension is applied with the application of tension type or universal(compression/tension) type of load cell, and display of “+” direction is required, connect “Green”...
  • Page 24 Connection with 1 piece of load cell and a junction box for extension use(B−304) and CSD−891B i) When CAB−502(4−cores cable)is used. Shield Green ※1 Junction box Blue ※1 Attached B−304 short bar White CAB−502 ※2 (The length of CAB−502 is within 30 m totally.) Internal wiring diagram of B−304 to load cell GRN YEL(Shield)
  • Page 25 ii) When CAB−501(6−cores cable) is used Shield Green ※1 Junction box Blue ※1 Orange B−304 Black White CAB−501 ※2 (The length of CAB−501 is within 100 m totally.) Internal wiring diagram of B−304 To Load cell YEL(Shield) Suitable crimp−type terminal lugs: 1.25−4 or 2−4 Terminal Pitch 9.5 mm YEL(Shield)
  • Page 26  ※1 When tension is applied with the application of tension type or universal(compression/tension) type of load cell, and display of “+” direction is required, connect “Green” with Terminal No.4 and “Blue” with Terminal No.2 individually. As there is a case which standard wiring color is different, please confirm the inspection data sheet of the load cell being used.
  • Page 27 Internal wiring diagram of B−307 YEL(Shield) to CSD−891B YEL(Shield) YEL(Shield) YEL(Shield) YEL(Shield) ii) When CAB−501(6−cores cable) is used. Shield Green ※1 Junction box Blue ※1 Orange Black White B−307 CAB−501 ※2 (The length of CAB−501 is within 100 m totally.)
  • Page 28 Internal wiring diagram of B−307 YEL(SHIELD ) To CSD−891B YEL(SHIELD ) YEL(SHIELD ) YEL(SHIELD ) YEL(SHIELD )
  • Page 29  ※1 When tension is applied with the application of tension type or universal(compression/tension) type of load cell, and display of “+” direction is required, connect “Green” with Terminal No.4 and “Blue” with Terminal No.2 individually. As there is a case which standard wiring color is different, please confirm the inspection data sheet of the load cell being used.
  • Page 30 Internal wiring diagram of SB−310 Short bar Output port Input port No.1 to CSD−891B Input port No.2 Input port No.4 Input port No.3 Suitable crimp type A：3.2 mm or less terminal lugs： B：7 mm or less ・Y type ・Round type ii) When CAB−501(6−cores cable) is used.
  • Page 31 Internal wiring diagram of SB−310 Short bar Output Point Input Point 1 To CSD−891B WH GN BL YE OR BK BL YE WH GN Input Point 2 Input Point 4 OR BK WH GN BL YE Input Point 3 OR BK GN BL YE Suitable solderless A: 3.2 mm or less...

  • Page 32: 4−3−2. Connection With External Control Inputs

    4−3−2. Connection with external control inputs Connections with external control input “ZERO”, “A/Z”, “A/Z OFF”, “HOLD” and “LOCK” should be made according to the below figures by using a contact or an open collector between the each terminal and terminal No. 15 at “COM.” Refer to the paragraph 7−1 for the function of each input.

  • Page 33: 4−3−3. Connection With Open Collector Output

    4−3−3. Connection with open collector output Connections with open collector outputs “RUN”, “ERROR”, “S0”, “S1”, “S2”, “S3” and “S4” and the external load should be made by using each terminal and terminal No. 15 at “COM.”. At the same time, take care that the load should not exceed the rated load of open collector output.

  • Page 34: 4−3−4. Connection With The Power Supply And The Earth

     ● For the connections with contact outputs, be sure to apply shielded cable, and the shielded cable should be connected with GND terminal (Terminal No.27) of the instrument. If not connected, it may cause malfunction due to the effects from external noises and so on. 4−3−4.

  • Page 35: Calibration Procedures

    5. Calibration procedures  Warning ● Before using the new instrument or after exchanging the strain gage applied transducer with a new one, be sure to make calibration. If calibration is not made, correct measured results may not be obtained, or it may cause malfunction to the instrument and it may damage the peripheral equipment.
  • Page 36  ● The accuracy of calibration obtained from ① and ② is 1/1 000 or so. If more than the accuracy 1/1 000 is required, make calibration of ③ type. In the following paragraphs, we will describe each calibration procedure by showing the examples with load cell applied.
  • Page 37 Procedures  Press the key for about one second The load display shows “FUNC”.  Press the key twice. It makes the load display proceed as “CCAL”.  Press the key. “CCAL” mode can be entered, then the load display shows “SCAL”.
  • Page 38 Procedures  Press the key. The load display shows “D−01” and it flashes on and off. When the calibration has completed already, the set value of minimum scale registered at that time is displayed. Set the minimum scale with the right keys. Setting value for the minimum scale are 4 (four) as follows: 1, 2, 5, 10...
  • Page 39 Procedures  Press the key. The load display shows ”2000”, and the digit of minimum display flashes on and off. When the calibration has completed already, the registered value of maximum display at that time is displayed.  By the setting of minimum scale, the digit of minimum display that flashes on and off are as follows：...
  • Page 40 Procedures  Press the key. The load display will show “0.3000”, and the digit of 10 flashes on and off. In case that calibration has completed already, the registered output value of load cell at that time is displayed. Set the value with the right keys, which is subtracted the output value of load cell at the time of initial load application from the output value of load cell corresponding to the maximum...
  • Page 41 Procedures  Press the key. The load display shows “ZERO” with lighting display on and off, then zero adjustment can be started.  ： Warning At the same time, take care not to apply load variation due to vibration and so on.

  • Page 42: 5−2−2. Calibration Procedures To Register The Output Of Strain Gage Applied

    5−2−2. Calibration procedures to register the output of strain gage applied transducer at the time of zero and the maximum display (1) Procedure by key operation  Warning ● Before using a new instrument or exchanging the strain gage applied transducer for a new one, be sure to make calibration.
  • Page 43 Procedures  Press the key for about one second The load display shows “FUNC”.  Press the key twice. It makes the load display proceed as “FUNC”→“CCAL”→“ACAL”.  Press the key. “ACAL” mode can be entered, then the load display shows “SCAL”.
  • Page 44 Procedures  Press the key. The load display shows “D−01” and it flashes on and off. When the calibration has completed already, the set value of minimum scale which has registered at that time is displayed. Set the minimum scale with the right keys. Setting value for the minimum scale are 4 (four) as follows：...
  • Page 45 Procedures  Press the key. The load display shows “2000” and the minimum display digit flashes on and off. When the calibration has completed already, the maximum display value which has registered at that time is displayed.  By the setting of minimum scale, the digit of minimum display that flashes on and off are as follows：...
  • Page 46 Procedures  Press the key. The load display shows ”0.0000”, and the digit of 10 will flash on and off. In case that calibration has completed already, the registered output value of load cell at that time is displayed. Set the output value for load cell with the initial load application with the right keys.
  • Page 47 Procedures  Press the key. The load display shows “0.300 0” and the digit at will flash on and off. In case that calibration has completed already, the registered output value of load cell at that time is displayed. Set the output value for load cell corresponding to the maximum display value with the initial load application with the right keys.

  • Page 48: 5−2−3. Calibration Method To Register By Reading Output Value

    5−2−3. Calibration method to register by reading output value of strain gage applied transducer in the conditions of zero/actual load application individually. (1) Procedures by the key operation  Warning ● Before using a new instrument or exchanging the strain gage applied transducer for a new one, be sure to make calibration.
  • Page 49 Procedures  Press the key for about one second. The load display shows “FUNC”.  Press the key three times. It makes the load display proceed as “FUNC”→“CCAL”→“ACAL”→“LCAL”.  Press the key. “LCAL” mode can be entered, then the load display shows “SCAL”.
  • Page 50 Procedures  Press the key. The load display shows “D−01” and it flashes on and off. When the calibration has completed already, the set value of minimum scale registered at that time is displayed. Set the minimum scale with the right keys. Setting value for the minimum scale are 4 (four) as follows：...
  • Page 51 Procedures  Press the key. The load display shows “2000” and the minimum display digit flashes on and off. When the calibration has completed already, the maximum display value which has registered at that time is displayed.  By the setting of minimum scale, the digit of minimum display that flashes on and off will be as follows：...
  • Page 52 Procedures  Press the key. The load display shows “2000”, and the digit of flashes on and off. In case that calibration has completed already, the registered output value of load cell at that time is displayed.   By the setting of minimum scale, the digit h di i of minimum display that flashes on and off will be as follows：...
  • Page 53 Procedures  Press the key. The “ZERO” on load display flashes on and off, and zero adjustment can be started.  ： Warning Take care not to apply load variations due to vibrations and so on. If load variation is applied, the zero point will not stabilized, in due course there is a possibility that correct reading of zero won’t be obtained.
  • Page 54 Procedures  Press the key. The “SPAN” on the load display flashes on and off, and span adjustment can be started.  ： Warning Take care not to apply load variations due to vibrations and so on. If load variation is applied, the span will not stabilized, in due course there is a possibility that correct reading of span won’t be obtained.

  • Page 55: 5−2−4. Zero Fine Adjustment

    5−2−4. Zero fine adjustment (1) Procedures by key operation  Warning ● When the tare weight cancellation (A/Z) and the setting of zero is executing, and when the zero tracking is effective, the zero fine adjustment cannot be entered(Displays ER−5). After making the tare weight cancellation clear(A/Z OFF), the cancellation of the compensation data(Execution of F−98) and the OFF position of the zero tracking(Setting “00000”...
  • Page 56 Procedures  Press the key four times. It makes the load display proceeded as “FUNC”→“CCAL”→“ACAL”→“LCAL” →“ZERO”. Here, set the initial load application.  Press the key. Zero fine adjustment mode can be entered, then the display on load display shows the present load value and lights on and off.
  • Page 57 Procedures  Press the key. After quitting from zero fine adjustment mode, the load display shows the present load value.

  • Page 58: 5−2−5. Span Fine Adjustment

    5−2−5. Span fine adjustment (1) Procedures by key operation  Warning ● When the tare weight cancellation (A/Z) and the setting of zero is executing, and when the zero tracking is effective, the span fine adjustment cannot be entered(Displays ER−5). After making the tare weight cancellation clear(A/Z OFF), the cancellation of the compensation data(Execution of F−98) and the OFF position of the zero tracking(Setting “00000”...
  • Page 59 Procedures  Press the key five times. It makes the load display proceeded as “FUNC”→“CCAL”→“ACAL”→“LCAL” →“ZERO”→“SPAN”. Here, set the maximum load that can be applied within the maximum value on the load cell.  Press the key. Span fine adjustment mode can be entered, then the display on load display shows the present load value and lights on and off.
  • Page 60 Procedures  Press the key. After quitting from zero Span fine adjustment mode, the load display will show the present load value.

  • Page 61: 5−2−6. Calibration Procedure To Apply Registration Again For Zero Point Only

    5−2−6. Calibration procedure to apply registration again for zero point only (1) Procedures by key operation  Warning ● During the execution of calibration, be sure to set the Tare weight cancellation clear, cancellation of the Compensated data at Zero set (Execution of F−98), and set OFF the Zero tacking (Set the F−08 and F−09 to “00000”.) and set the Peak OFF.
  • Page 62 Procedures  Press the key for about one second. The load display shows “FUNC”.  Press the key six times. It makes the load display proceeded as “FUNC”→“CCAL”→“ACAL”→“LCAL” →“ZERO”→“SPAN”→“TARE”. Here, set the initial load application.  Press the key. The “TARE” mode can be entered. The display on the load display section shows “ZERO”.
  • Page 63 Procedures  Press the key. The display of “ZERO” on the load display section flashes on and off, and Tare weight cancellation is entered.  ： Warning At the same time, care should be taken not to apply load variation due to vibration and so on.
  • Page 64 Procedures  Press the key. After quitting from the “TARE” mode, the load display will show the present load value.

  • Page 65: 5−3. Calibration Method By Communication

    5−3. Calibration method by communication  Warning ● Before using a new instrument or exchanging the strain gage applied transducer for a new one, be sure to make calibration. If calibration shall not be made, correct measured results may not be obtained nor may cause malfunction in the instrument and there may exist damage in peripheral equipments.

  • Page 66: 5−3−1. Calibration Method By Communication To Register The Output

    5−3−1. Calibration method by communication to register the output of strain gage applied transducer at the time of maximum display after setting the load to zero.  Warning ● Before using a new instrument or exchanging the strain gage applied transducer for a new one, be sure to make calibration.
  • Page 67  ● This calibration method is possible when the optional RS−232C interface or the RS−422/485 interface is mounted. ● When RS−232C interface is used, the ID No. becomes “00”. ● During the calibration, to interrupt the calibration “Calibration mode  interruption command”...
  • Page 68 Procedures Command Host→CSD−891B Transmit the maximum display value change command data from the host, and set the maximum display value. The setting range of the @ 0 0 1 1 2 0 0 0 Termi maximum display value is (The minimum digits -nator ×100)∼99 999.
  • Page 69 Procedures Transmit the command data for span mV/V Command Host→CSD−891B value change from the host, and set the output value from the load cell corresponding to the @ 0 0 1 5 0 3 0 0 0 Termi value set in step 3. -nator The display in the load display section displays “−RS−”...
  • Page 70 Procedures Command Host→CSD−891B Transmit the command for “Status reading out during the calibration” from the host. According to the return data, proceed to the following steps. Terminator ・ The return data is “END” As termination is in normal, proceed to the next step.
  • Page 71 5−3−2. Calibration procedures by communication to register the output of strain gage applied transducer at the time of zero and the maximum display  Warning ● Before using a new instrument or exchanging the strain gage applied transducer for a new one, be sure to make calibration. If calibration shall not be made, correct measured results may not be obtained nor it may cause malfunction in the instrument and there may exist damage to the peripheral equipment.
  • Page 72  ● This calibration method is possible when the optional RS−232C interface or the RS−422/485 interface is mounted. ● When RS−232C interface is used, the ID No. becomes “00”. ● During the calibration, to interrupt the calibration “Calibration mode  interruption command”...
  • Page 73 Procedures Transmit the change command of the maximum Command Host→CSD−891B display value from the host, and set the maximum display value. The setting range of the @ 0 0 1 1 2 0 0 0 Termi maximum display value is (The minimum digits -nator ×100)∼99 999.
  • Page 74 Procedures Transmit the change command of zero mV/V Command Host→CSD−891B value from the host, and set the output value from load cell in the initial load condition. The @ 0 0 1 4 ＋ 0 0 0 0 0 Termi display in the load display section displays -nator “−RS−”...
  • Page 75 Procedures Transmit the change command data of span Command Host→CSD−891B mV/V value from the host, and set the output value corresponding to the maximum display @ 0 0 1 5 0 3 0 0 0 Termi value set in step 3. -nator The value set here set the value whose 0.200 0 mV/V ( “02000”...

  • Page 76: 5−3−3. Calibration Method By Communication To Register

    5−3−3. Calibration method by communication to register by reading output value of strain gage applied transducer in the conditions of zero/actual load application individually.  Warning ● Before using a new instrument or exchanging the strain gage applied transducer for a new one, be sure to make calibration. If calibration shall not be made, correct measured results may not be obtained nor it may cause malfunction in the instrument and there may exist damage to the peripheral equipment.
  • Page 77  ● This calibration method is possible when the optional RS−232C interface or the RS−422/485 interface is mounted. ● When RS−232C interface is used, the ID No. becomes “00”. ● During the calibration, to interrupt the calibration “Calibration mode  interruption command”...
  • Page 78 Procedures Command Host→CSD−891B Transmit the change command of the maximum display value from the host, and set the maximum display value. @ 0 0 1 1 2 0 0 0 Termi The range of the maximum display value is (the -nator minimum digits×100)∼99 999.
  • Page 79 Procedures Transmit the change command data of the actual Command Host→CSD−891B load from the host, and set the load value on load cell. Set the load value on load cell less than the @ 0 0 1 2 2 0 0 0 Termi maximum display value set in step 3, and the -nator maximum value which can load in the range of...

  • Page 80: By Reading Output Value Of Strain Gage Applied Transducer

    Procedures Command Host→CSD-891B Transmit the command of “Status reading out in the calibration” from the host. According to the return data, proceed to the Terminator following steps. ・ When the return data is “END” As termination is in normal, you can proceed to ID No.
  • Page 81 Procedures Transmit the command for “Status reading out Command Host→CSD−891B in the calibration” from the host. According to the return data, proceed to the Terminator following steps. ・ When the return data is “END” As termination is in normal, you can proceed to ID No.

  • Page 82: 5−3−4. Zero Fine Adjustment By Communication

    5−3−4. Zero fine adjustment by communication  Warning ● During the calibration is executing, be sure to make available for the calibration set (Setting “00000” on F−97). Tare weight cancellation clear, and to make cancellation (Setting of F−98) for compensated data on zero set and set the OFF position of Zero tracking(Setting “...
  • Page 83 Procedures Transmit the start command of the calibration Command Host→CSD−891B mode from the host. Here, set the initial load condition. Terminator The display in the load display section displays “−RS−” and “the present load value” ID No. alternately. Return CSD−891B→Host @ 0 0 0 4 Z E R O Termi -nator...
  • Page 84 Procedure Transmit the termination command of the Command Host→CSD−891B calibration mode from the host. The calibration data is made effective and the Terminator calibration mode is over. The display in the load display section displays the present load value. ID No. Return CSD−891B→Host CSD 891B H @ 0 0 1 9...

  • Page 85: 5−3−5. Span Fine Adjustment By The Communication

    5−3−5. Span fine adjustment by the communication  Warning ● During the calibration is executing, be sure to make available for the calibration set (Setting “00000” on F−97). Tare weight cancellation clear, and to make cancellation (Setting of F−98) for compensated data on zero set and set the OFF position of Zero tracking(Setting “...
  • Page 86 Procedures Command Host→CSD−891B Transmit the calibration start command from the host. Here, set the maximum load that can be applied Terminator within the maximum value on the load cell. The display in the load display section displays ID No. “−RS−” and “The present load value” Return CSD−891B→Host alternately.
  • Page 87 Procedures Transmit the termination command of the Command Host→CSD−891B calibration mode from the host. The calibration data is made effective and the Terminator calibration mode is over. The display in the load display section displays the present load value. ID No. Return CSD−891B→Host @ 0 0 1 9 E N D Termi...
  • Page 88 5−3−6. Calibration procedure by the communication to apply registration again for zero point only  Warning ● During the calibration is executing, be sure to make available for the calibration set (Setting “00000” on F−97). Tare weight cancellation clear, and to make cancellation (Setting of F−98) for compensated data on zero set and set the OFF position of Zero tracking(Setting “...
  • Page 89 Procedures Transmit the calibration mode starting Command Host→CSD−891B command from the host. The display in the load display section displays Terminator “−RS−” and “ZERO” ID No. Return CSD−891B→Host @ 0 0 0 6 T A R E Termi -nator ID No. Here, set the initial load condition.
  • Page 90 Procedures Command Host→CSD−891B Transmit the command of “Reading out in the calibration” from the host. According to the return data, proceed to the Terminator following step. ・ When the return data is “END“ As the termination is in normal, proceed to the ID No.

  • Page 91: 5−4. Selection Of Calibration Methods On Each Condition

    5−4. Selection of calibration methods on each condition The instrument prepares calibration methods shown in the paragraph in 5−2. Calibration procedures, we’ll explain some conditions to execute actual calibration here. (1) When executing calibration on the new instrument. (In case that our combined inspection has not executed.) D When load condition and output condition of load cell are clarified.
  • Page 92 For example, we will show the calibration procedures as follows, that is, 3 points of load cells with 3 mV/V of rated output and 5 t of rated capacity. Tare weight 1.5 t Weighing capacity Maximum display 5 000 Calculate the output of load cell at maximum display from the above conditions. Check that the calculated value should be within the range from 0.4 mV/V to 3.1 mV/V.
  • Page 93 Calculate the output of load cell at the maximum display from the above conditions. Check that the calculated value at this point is within the range from 0.4 mV/V to 3.1 mV/V. If the value is out of the range, calibration cant’ be executed. （Output of load cell at maximum display）...
  • Page 94 As necessity requires, make fine adjustment on Zero and Span according to the paragraph 5−2−4 and 5−2−5. (When the calibration by communication is required, execute it according to the paragraph 5−3−4 and 5−3−5.) (4) When replacing the existing CSD−891B with a new one. ...
  • Page 95 5−4−2. When the calibration is executed again When purchasing a new instrument and our combined inspection has executed, however, the tare weight has changed, or fine adjustment on zero and span are required, make calibration with whichever the following methods. (1) Calculation on tare weight only (When our combined inspection has completed and calibration on only tare weight is required.)
  • Page 96 6. Operation procedure We’ll show the operating procedures with keys located on the front panel.  Warning ● Each key operation should be made after interrupting the measurement. If it is made during measurement, it may cause an unexpected malfunction. ...
  • Page 97 6−2−2. Operation is made in the other mode (1) Carrying−over of set value  Pressing the key in the condition of displaying the various kinds of set value, the digit of the setting value flashing on and off is going up from 10 to 10 , 10 , 10...
  • Page 98  6−4. 6−4−1. Operation in the measurement mode At the same time when the Tare weight cancellation (A/Z) works and the load display value becomes the net weight display value, the “A/Z” on the status display lights up and load display becomes “0”.
  • Page 99 7. Function and operation 7−1. External control input signal and Open collector output signal The instrument is available to the external control through various kinds of input signals. 7−1−1. External control input signal It operates by shortening with COM. (Terminal No.15). Terminal Name Operation...
  • Page 100 7−1−2. Open collector output signal Terminal Name Operation The common for the external control input signal (Terminal No.10 to 14) COM. and Open collector output(Terminal No.16 to 22). ON when this instrument is in the measurement mode. OFF when CHECK is OFF. ERROR ON when the various kinds of error is occurred.
  • Page 101 7−1−3. Equivalent circuit (1) External control input section ＋5 V 680 Ω 0.1 μF INPUT COM. (2) Open collector output section OUTPUT 3.3 kΩ COM. =DC30 V , Ic=30 mA MAX. 7−2. Comparator The instrument prepares comparators that consist of 4 kinds of set values S1, S2, S3 and S4 and comparator S0 that can change the operation by the setting function F−33.
  • Page 102 7−2−2. Change of set value  Warning ● When the set value for the comparator is set wrong, or set in the wrong procedures, it may not obtain the correct results from the comparator, and it may cause malfunctions in peripheral equipments and also cause a damage as well.
  • Page 103 Procedures  When the key is pressed, the set value corresponding to the selected number is displayed in the load display section, and the minimum display effective digit lights on and off. set the comparator set value of the selected number by the right keys.
  • Page 104 7−2−3. Operation on comparator S1, S2, S3 and S4 The comparator in the instrument, S1, S2, S3 and S4 can select the operation whichever “the open collector output ON at more than the set value”, or “the open collector output ON at less than the set value”.
  • Page 105 7−2−4. Comparative target for comparator S1, S2, S3 and S4 The comparator in the instrument, S1, S2, S3 and S4 individually can select the comparative target from the two, that is, “Gross weight”, “Net weight”. This selection can be made in the Function mode.
  • Page 106 7−2−5. Operation of comparator S0 The comparator S0 in the instrument can select one among 11 operations from “00000” to “00010”. These selections can be made in the Function mode (Related function F−33) As for default, the “0000” has selected. ...
  • Page 107 (1) When the both of S1 and S2 select “more than” with the Function F−32. S1 judgement display, S1 open collector output ON at (S1 set value)≦(display value) S2 judgement display, S2 open collector output ON at (S2 set value)≦(display value) S0 judgement display, S0 open collector output ON at (S1 set value)＞(display value) and also (S2 set value)＞(display value)
  • Page 108 (3) When the S1 selects “more than”, and the S2 selects “less than” at the function F−32. S1 judgement display, S1 open collector output ON at (S1 set value)≦(display value) S2 judgement display, S2 open collector output ON at (S2 set value)≧(display value) S0 judgement display, S0 open collector output Normally OFF Display (large)
  • Page 109 7−2−6. Hysteresis on comparator The comparator S1, S2, S3 and S4 and normal mode for S0 (Function F−33: 00002 setting) can set hysteresis. Hysteresis can be used by the combined setting of data width and time width. Moreover, effective direction for hysteresis can be selected from either “Off delay” or “On delay”. These selections can be made in Function mode.
  • Page 110 (2) When the operation of “the open collector ON at more than the set value” is selected at S1 and also effective direction for hysteresis is set as “Off delay”. Hysteresis time width S1 set value Hysteresis data width Time S1 judgement display S1 open...
  • Page 111 7−3. How to use the filter The instrument prepares the digital filter that stabilizes data converted into digital through calculation process.  Warning ● When setting filter is not suitable, correct measurement can not be made and it may cause an unexpected accident, so care should be taken fully.
  • Page 112 7−4. Selection of A/D sampling rate This instrument can select the A/D sampling rate from “10 times/s”, “20 times/s”, “100 times/s” and “200 times/s” (Relative function F−02). As for default, “200 times/s” is set.  ● The comparator comparison operation and the analog output of this unit have synchronized with the A/D sampling.
  • Page 113 7−5−2. Setting related with zero tracking D Set the data width that performs zero tracking with the function F−08. The zero tracking width per setting value “n” will be obtained by the calculation of display according to the below formula. ＝(Set value of F−08)×0.5×(Increment value for display) (Zero tracking data width) For example, when the setting of function F−07 is “00010”...
  • Page 114 7−5−3. Cancellation for compensation by zero tracking Cancellation for compensated data by zero tracking can be executed with the function F−98.  ● When changing the target for zero tracking is required, be sure to cancel the compensated portion by zero tracking once using the function F−98.
  • Page 115 7−6−2. Setting related with the Stabilized filter. D Set the data to apply the Stabilized filter with the function F−17. The stabilized filter width per set value “n” can be obtained through the display conversion by using the following formula. [Stabilized filter data width]＝[Set value of F−17]×[Display increment value] For example, when the setting of function F−17 is “00010”...
  • Page 116 7−7. Detection of stability The function to detect stability is judged that the measuring value is steady when the status that the change width of total load value is within the range set by the data width to detect stability, continues longer than the time set by the time to de- tect stability.
  • Page 117 7−8. Various kinds of functions related with the display 7−8−1. Selection of display rate The instrument can select the display times from the “4 times/s”, “20 times/s”, “50 times/s” and “100 times/s”. This selection is available in the Function mode. (Related function F−03). As for the default, 20 times/s has selected.
  • Page 118 7−11. Tare weight cancellation (A/Z) The instrument prepares Tare weight cancellation (A/Z) function.  Pressing the key makes Tare weight cancellation (A/Z) function operated and when the load display becomes net weight display, at the same time, the “A/Z” lights up on the status display and load display value becomes “0”.
  • Page 119 7−14. CHECK value   After pressing the key together with the key in the measurement mode, the CHECK value corresponding to the set value in the function F−11. At the same time, “CHECK” in the condition display lights on, and the load value corresponding to the set value in the function F−11 is added on the load display value.
  • Page 120 7−17. Check mode The following confirmations can be made in the Check mode. ・Check on ROM version ・Check on the option installed. ・Check on bridge voltage ・Check on the external control input ・Check on the open collector output ・Check on the analog output(option) ・Check on the BCD output (option) ...
  • Page 121 Procedures  Press the key for one second. The display in the load display section displays “FUNC”.  Press the key 7 times. The load display will change as “FUNC” →“CCAL”→“ACAL”→“LCAL”→“ZERO” →“SPAN”→“TARE”→“CHEK”.
  • Page 122 Procedures ・ Check on the ROM version  Press the key. The Check mode can be entered, and the display on the load display section will show  “ROM”. By pressing the key again, the ROM version will be shown on the load display section.
  • Page 123 Procedures ・ Check on the options  Press the key. The load display shows “OP”. Check on bridge power supply voltage  By pressing the key again, the load display shows the optional number of the option installed at present on the load display. When no option is installed, the “P−−−−”...
  • Page 124 Procedures ・ Check on the bridge power supply voltage  Press the key. The load display shows “bV”.  By pressing the key again, the bridge power supply voltage selected at present is shown on the load display section. ・ Check on the external control input ...
  • Page 125 Procedures ・ Check on the open collector output  Press the key. The display of the load display section becomes “S−OUT”.  Press the key again, the load display section displays “S0” and flashes on and off. At the same time, by the operations of right keys, each open collector output, each judgement display and load display section changes as below:...
  • Page 126 Procedures ・ Check on analog output  When the analog output is not installed, proceed to the step 9.  Press the key. The display in the load display section becomes  “A−OUT”. Press the key again, then the display shows “LOW” and flashing on and off. At this time, the analog output makes the value equal to the “LOW”...
  • Page 127 Procedures  Press the key. The load display shows “END”.  By pressing the key again, quits from the Check mode and returns to the Measurement mode to show the load value.
  • Page 128 7−18. Monitor mode In the Monitor mode, the applied load on the strain gage applied transducer at present can be displayed with the converted unit of mV/V. For example, in case that the load cell is used, and its output value is unclear, apply actual load in order to read the output value at the time of initial load application and also at the time of the maximum load application by using the function and then make calibration with the obtained value as a base.
  • Page 129 Procedures  Press the key 8 times. The load display will change as “FUNC”→ “CCAL”→“ACAL”→“LCAL”→“ZERO”→ “SPAN”→“TARE”→“CHEK”→“MONT”.  Press the key. The Monitor mode can be entered, and the converted value into mV/V for the present input value for the transducer flashes on and off on the load display.
  • Page 130 Procedures  Press the key. The Monitor mode can be over, and the present load is shown on the load display.
  • Page 131 8. Function mode  ● During the measurement mode, the setting can change by the function mode. 8−1. Setting method for function mode Procedures  Press the key for about one second. The load display shows “FUNC”.  Press the key.
  • Page 132 Procedures Select the Function No. desired to set with the right keys. Suspend the setting of Function mode, then Measurement mode can be re−entered by  pressing the key.  By pressing the key continuously, continuous increase will be provided. ...
  • Page 133 Procedures  Press the key. Quitting the Function mode, the Measurement mode can be returned.
  • Page 134 8−2. Function of Function data D F−01 Selection of decimal point at display position Initial value＝00000 00000＝Non 00001＝10 00002＝10 00003＝10 00004＝10 D F−02 Selection of A/D sampling rate Initial value＝00004 00000：10 times/s 00001：20 times/s 00002：50 times/s 00003：100 times/s 00004：200 times/s D F−03 Selection of display rate Initial value＝00001...
  • Page 135 D F−06 Setting the function key lock Initial value＝00000 digit：ON/OFF of CHECK value   (Press the key together with the key) digit：ON/OFF of the A/Z function   A/Z ON( )、A/Z OFF(  digit：Call the change mode of S※ setting ( ...
  • Page 136 D F−12 Setting bridge power supply voltage Initial value＝00000 00000：10 V 00001：5 V 00002：2.5 V D F−15 Setting digital filter for stabilized filter Initial value＝00002 00000＝Stabilized filter OFF Setting range：00000∼00006 ※Strength of the digital filter for the stabilization filter is selected. The influence on the display such as the vibrations decreases so that the filter may strengthen when the figure grows.
  • Page 137 D F−31 Setting the target of comparator Initial value＝00000 0＝Gross weight 1＝Net weight digit：Comparator S0 digit：Comparator S1 digit：Comparator S2 digit：Comparator S3 digit：Comparator S4 ※The comparator S0 is effective in the setting 00007 by F−33. D F−32 Setting the direction of comparator Initial value＝00000 0＝or more 1＝or less...
  • Page 138 D F−36 Setting Hysteresis time width for comparator Initial value＝00000 00000＝Hysteresis time width OFF Setting rage：00000∼00099 Unit：0.01 s Data width of 9.99 s at the setting of “00999” D F−40 Setting the target of BCD output(Effective when the option is installed.) Initial value＝00000 00000＝Gross weight 00001＝Net weight...
  • Page 139 D F−51 Setting the target of output at the time of stream mode of RS−232C (Effective when the option is installed.) Initial value＝00000 00000＝Gross weight 00001＝Net weight 00002＝Display interlock ※In the Command mode, the data are transferred from the host by the command. In the Stream mode, the latest data will be output continuously.
  • Page 140 D F−59 Setting the delay time of returning RS−485 Initial value＝00005 Setting range：00000∼00999 Unit 1 ms The delay is 999 ms at the “00999” setting. D F−65 Setting the detection of stability range Initial value＝00010 00000：Detection of stability OFF Setting range：00000∼00099 Unit 0.5D ※Effective only when the value from 00001 to 00099 with the F−66...
  • Page 141 D F−90 Increment value (For reference) ※The increment value set when the calibration is applied can be referred to. ※The setting can’t be changed in the function. D F−91 The maximum display value (For reference) ※The maximum display value set when the calibration is applied can be referred to. ※The setting can’t be changed in the function.
  • Page 142 D F−99 Memory clear Setting from F−01 to F−97 recorded at EEPROM will return to the default value.  When the key is pressed with the display of F−99, then “FCLR” display can be  obtained. (At the same time, the display lights on and off.) At this point, press the key when suspending memory clear is desired.
  • Page 143 9. Options The options for the instrument are as follows: Current output[4 mA to 20 mA] Parts No.：CSD891B−P07 BCD output Parts No.：CSD891B−P15 Voltage output [0 V to 10 V] Parts No.：CSD891B−P25 CC−LINK interface Parts No.：CSD891B−P73 [Refer to the instruction manual (DRW. No.294−1146＊) for CSD−891B−73) RS−232C interface Parts No.：CSD891B−P74 RS−422 interface...
  • Page 144 9−1−1. Relative function F−20 Selection of analog output target Gross weight or Net weight F−21 Display value at the minimum Display value at the output of analog output value approx.4 mA or 0 V F−22 Display value at the maximum Display value at the output of analog output value approx.20 mA or 10 V .
  • Page 145 9−1−4. Connection of the current output The connection with the current output should be made as follows ＋ − Shield  Warning ● The connections with the current output should be made securely according to the figures and also within the specification of the load resistance.
  • Page 146 9−1−5. Connection with the voltage output The connection with the voltage output should be made as follows. ＋ − Shield  Warning ● The connections with the voltage output should be made securely according to the figures and also within the specification of the load resistance.
  • Page 147 9−1−6. Scaling of analog output The analog output for standard specifications is set between the minimum value and the maximum value with the output of 0 to 2 000. By changing the F−21 and F−22, optional value can be decided. Analog output Approx.21.6 mA Approx.11 V...
  • Page 148 9−1−7. Fine adjustment 1 on analog output Fine adjustment described here, is the one to arrange each “the minimum value” and “the maximum value” without applying the actual load during the procedures. Refer to the paragraph 9−1−8, for the fine adjustment with actual load applied. ...
  • Page 149 Procedures  Press the key. The load display shows “ALOW”.  Press the key. The load display flashes on and off showing “ALOW”. At the same time, the analog output equivalent to the minimum value of analog output is obtained. Adjust so the output will become the minimum value with the right keys.
  • Page 150 Procedures  Press the key. The load display flashes on and off showing “A_HI”. At the same time, the analog output equivalent to the maximum value of analog output is obtained. Adjust so the output will become the maximum value with the right keys. Current output Voltage output (Optional)
  • Page 151 9−1−8. Fine adjustment 2 on analog output The fine adjustment explained in this paragraph is the procedures with applying the actual weight.  Warning ● Before making the fine adjustment, be sure to make scaling for the analog output by referring to the paragraph 9−1−6. If neglected, deviation of output can’t be adjusted during the fine adjustment.
  • Page 152 Procedures  Press the key. The load display will show “ALOW”. At the same time, set the weight equivalent to the minimum output value of the analog output.  Press the key. The load display flashes on and off showing the present load value.
  • Page 153 Procedures  Press the key. The load display shows the current load value and flashes on and off. At the same time, adjust the deviation of analog output against the load with the right keys.  By pressing the key continuously, increment can be provided continuously.
  • Page 154 9−2. BCD output  Warning ● When power is ON for the instrument with the external HOLD signal shorted, the BCD output will be as follows: Even when the Display is targeted for the HOLD with the F−10, BCD outputs “00000” if the target for BCD output is set as Display. When the BCD output is assumed to be the target of HOLD with the F−10, BCD output outputs “00000”.
  • Page 155  (3) Input data ZERO Same as  Same as  A/Z OFF Same as HOLD HOLD the target selected by function F−10 LOCK Lock (prohibit) all key input BCD−ENABLE Compulsive OFF for the related output with BCD (High−impedance) SEL.1、SEL.2 Selection of BCD output target.
  • Page 156 9−2−4. Equivalent circuit for input/output Equivalent circuit for input 約12 V 2.2 kΩ 0.022 μF INPUT COM. Equivalent circuit for output OUTPUT COM. ＝DC30 V、Ic＝20 mA MAX.
  • Page 157 9−2−5. Timing chart  Warning ● In case of reading each output data of the BCD output through the sequencer and so on, read them at the timing of “The edge from ON to OFF” for the P .C. (Print command). Moreover, read the “Input response delay time”...
  • Page 158 (3) When ERROR is occurred DATA POL. P .C. ERROR  ● At the time of ERROR output, output transistor at ERROR signal will become ON(Negative logic electrically). Moreover, for each DATA, POL., all of the output transistor will become OFF at the time of ERROR output(Positive logic electrically).
  • Page 159 9−2−7. Selection of output logic for P .C.(Print command), and of its width Selection of the P.C. logic for BCD output, and its width can be made by setting function. (Related function：F−44, F−45) Select the P .C. width to meet with the output rate set by F−46, and execute the suitable selection according to the following list.
  • Page 160 9−3. RS−232C interface  Warning ● In Calibration mode, Fine adjustment, Check mode and Setting mode, the Error command will be sent against the command from the Host. ● When the CHECK switch is applied, pay attention to the following points.
  • Page 161 9−3−3. Procedures of data transfer There are two kinds of data transfers in the instrument, that is, stream mode and command mode. (1) Stream mode The latest targeted data targeted/selected with the F−51 keep on outputting. However, output times will change depending on the setting of display times and baud rate. (2) Command mode By sending the determined command/data from the host (Personal computer, sequencer and so on) to the CSD−891B, the data will be send back to the host side from the CSD−891B...
  • Page 162 9−3−4. Pin configurations for connector pin (1) Pin configuration Pin number Signal name N.C. S.G. N.C. N.C. Suitable plug：DE−9S−NR by JAE or equivalent. ※Not attached.  ● The screws for the fixing base of plug at the connector of RS−232C interface is inch type thread.
  • Page 163 Example 2 Host(9 pins) CSD−891B N.C. S.G. S.G. N.C. N.C. 9−3−5. Data format Stream mode Terminator Sign of Load data Command No. load data D The setting with the F−55 can be entered to the terminator. D Load weighing data enters from the right end. D When the data is minus, “−”...
  • Page 164 (2) Command mode Reading out the load data(Host→CSD−891B) Command No. Operation Terminator Reading out the display interlocked data Command No. Reading out Gross weight data Reading out Net weight data Reading out A/Z cancel data Return(CSD−891B→Host) Terminator Load data Sign of load data Command No.
  • Page 165 Return(CSD−891B→Host) Terminator Command No. Sign Set value D The load data enters from the right end. D When the data is minus, “−” sign and when plus, “＋” sign is added. D The sign data performs zero suppress. D In case that the decimal point is set with the F−56, and at the same time the decimal point is specified with the F−01, it will be added to the specified position.
  • Page 166 Change of condition(Host→CSD−891B) Command No. Operation Zero set Terminator Command No. A/Z OFF Return(CSD−891B→Host) Terminator Command No. Writing comparative data(Host→CSD−891B) Terminator Command No. Set value Sign Command No. Operation Writing S0 data Writing S1 data Writing S2 data Writing S3 data Writing S4 data Return(CSD−891B→Host) Terminator...
  • Page 167 Function Operation Set value Setting of time width for zero tracking (Contents of F−09) 00000∼00099 00000＝Zero tracking OFF Setting range：00000∼00099 Unit：0.1 s Setting of the digital filter for the stabilized filter 00000∼00006 (Contents of F−15) 00000＝Stabilized filter OFF Setting range：00000∼00006 ※Strength of the digital filter for the stabilization filter is selected.
  • Page 168 Return(CSD−891B→Host) Terminator Command No. Set value Sign Function No. D The set value enters from the right end. D Setting range is from −99 000 to 99 999. D Never add the decimal point.
  • Page 169 Reading out the function data(Host→CSD−891B) Terminator Command No. Space Function No. Function No. Operation Reading out the setting value for the display position of decimal point (Contents of F−01) Reading out the setting value of A/D damping rate(Contents of F−02) Reading out the setting value of display rate (Contents of F−03) Reading out the setting value of digital filter (Contents of F−04) Reading out the setting value of analog filter (Contents of F−05)
  • Page 170 Function No. Operation Reading out the setting value of the BCD P .C. output logic (Contents of F−44) Reading out the setting value of BCD P .C. width (Contents of F−45) Reading out the setting value of BCD output times (Contents of F−46) Reading out the setting value of RS−232C operation mode (Contents of F−50) Reading out the setting value of RS−232C stream mode (Contents of F−51) Reading out the setting value of RS−232C/422/485 baud rate (Contents of F−52)
  • Page 171 Span fine adjustment Calibration to register only zero point again Return(CSD−891B→Host) When @0001＋Terminator is transmitted. Terminator When @0002＋Terminator is transmitted. Terminator When @0003＋Terminator is transmitted. Terminator When @0004＋Terminator is transmitted. Terminator When @0005＋Terminator is transmitted. Terminator When @0006＋Terminator is transmitted. Terminator D The empty sections are all spaces.
  • Page 172 Return(CSD−891B→Host) In normal termination Terminator Command No. The maximum display value b : Set in error Terminator Command No. Error code D The maximum display value enters from the right end. D Never add the decimal point. D The maximum display value is the amount of the minimum digits. D The empty sections are all spaces.
  • Page 173 Registration of zero mV/V value (Host→CSD−891B) Terminator Command No. Zero mV/V value Sign Return(CSD−891B→Host) Terminator Command No. Zero mV/V value Sign D Data of zero mV/V value enters up to the fourth place below decimal point (X.XXXX). (Ex： “01000” as 0.100 0 mV/V”.) D Never add the decimal point.
  • Page 174 Command for zero fine adjustment (Host→CSD−891B) Terminator Command No. Data of zero fine Sign adjustment Return(CSD−891B→Host) In normal termination Terminator Data of zero fine Command No. Sign adjustment Set in error Terminator Error code Command No. Terminator Error code Command No. D Data of the fine adjustment enters from the right end.
  • Page 175 Set in error Terminator Command No. Error code Terminator Command No. Error code D Data of the fine adjustment enters from the right end. D Never add the decimal point. D The actual load value is the amount of the minimum digits. D Then empty sections are all spaces.
  • Page 176 In error input Terminator Terminator Terminator Terminator Termination command of calibration mode (Host→CSD−891B) Terminator Command No. Return(CSD−891B→Host) Terminator Command No. D Then empty sections are all spaces.
  • Page 177 9−3−6. Communication error process The instrument returns the error command to the host side at the time of Communication error or Execution error. Terminator Error Command No. Error Contents Remarks Command No. Error of impossible In the case of Function mode, Calibration mode, condition of execution Fine adjustment mode and Setting mode.
  • Page 178 9−4. RS−422/485 interface  Warning ● The error code will be sent against the command from the host during Calibration mode, Fine adjustment mode, Check mode and Monitor mode. ● When CHECK switch is ON status, take care of the following points. When CHECK switch will be ON status, the instrument will be out of the Measurement mode, but RS−422/485 interface will make response to the command from the Host.
  • Page 179 9−4−2. Specifications on interface (1) Method Based on RS−422/485 (2) Communication methodHalf−duplex (3) Specifications on Signal Baud rate 1 200, 2 400, 4 800, 9 600, 19 200 or 38 400 bps Data bit length 7 bit or 8 bit Parity bit None, Even or Odd parity Stop bit...
  • Page 180  ● The communication operation can be made in all of the modes. However, in the Calibration mode, Fine adjustment mode, Check mode and Monitor mode, the Error command will be sent. ● The flow control is not executed in the CSD−891B. ●...
  • Page 181 1 to n RS−422 CSD−891B CSD−891B CSD−891B CSD−891B Host RS−485 CSD−891B CSD−891B CSD−891B CSD−891B Host Connect the terminal resistance at the section.
  • Page 182 9−4−5. Data format (1) Command mode Reading out the load data(Host→CSD−891B) Command No. Operation Terminator Reading out the display interlocked data ID No. Command No. Reading out Gross weight data 00∼31 Reading out Net weight data Reading out A/Z cancel data Return(CSD−891B→Host) Terminator ID No.
  • Page 183 Reading out comparative data (Host→CSD−891B) Command No. Operation Terminator Reading out S0 data Reading out S1 data Command No. ID No. Reading out S2 data 00∼31 Reading out S3 data Reading out S4 data Return(CSD−891B→Host) Terminator ID No. Sign 00∼31 Set value Command No.
  • Page 184 Reading out the comparative data(Host→CSD−891B) Command No. Operation Terminator Reading out comparative data ID No. Command No. 00∼31 Return(CSD−891B→Host) Terminator ID No. Space 00∼31 Condition Command No. S0： “1”＝ON, “0”＝OFF S1： “1”＝ON, “0”＝OFF S2： “1”＝ON, “0”＝OFF S3： “1”＝ON, “0”＝OFF S4： “1”＝ON, “0”＝OFF Change of condition(Host→CSD−891B) Command No.
  • Page 185 Writing the function data(Host→CSD−891B) Terminator ID No. Set value Sign 00∼31 Function No. Command No. Function No. Operation Setting value Setting of digital filter (Contents of F−04) 00000∼00006 Setting range：＝00000∼00006 Setting of analog filter (Contents of F−05) 00000∼00004 Setting range：＝00000∼00004 Setting of data width for zero tracking (Contents of F−08) 00000∼00099 00000＝Zero tracking OFF...
  • Page 186 −99999∼99999 Display value at the maximum value for analog output (Contents of F−22) Setting range：−99999 to 99999 Unit：1 count Setting of the data width for the comparator hysteresis 00000∼00099 (Contents of F−35) 00000＝Hysteresis data width OFF Setting range：00000∼00099 Unit：1D Data width：99D at the setting of “00099” Setting the time width for comparator hysteresis 000000∼00999 (Contents of F−36)
  • Page 187 Reading out the setting value of the display value at the minimum value of analog output (Contents of F−21) Reading out the setting value of the display value at the maximum value of analog output (Contents of F−22) Reading out the setting value of comparator operation (Contents of F−30) Reading out the setting value of comparator target (Contents of F−31) Reading out the setting value of comparator direction (Contents of F−32) Reading out the setting value of the application status for comparator S0...
  • Page 188 Return(CSD−891B→Host) Terminator ID No. Set value Sign 00∼31 Command No. Function No. D The sign data perform zero suppress. (2) Calibration Command mode Start of calibration mode(Host→CSD−891B) Command Operation Terminator Calibration to register the output of strain gage applied transducer at the ID No.
  • Page 189 Terminator ID No. 00∼31 Terminator ID No. 00∼31 Terminator ID No. 00∼31 D The empty sections are all spaces. Registration of the minimum digits (Host→CSD−891B) Terminator ID No. The minimum digits Command No. 00∼31 Return(CSD−891B→Host) Terminator ID No. Command No. The minimum digits 00∼31 D Data of the minimum digits enters from the right end.
  • Page 190 Set in error Terminator ID No. error code Command No. 00∼31 D The actual load value enters from the right end. D Never add the decimal point. D The actual load value is the amount of the minimum digits. D Then empty sections are all spaces. Registration with the actual load value (Host→CSD−891B) Terminator ID No.
  • Page 191 Terminator ID No. Zero mV/V value Sign 00∼31 Command No. D When the data is minus, “−” sign and when plus, “＋” sign is added. D The empty sections are all spaces.
  • Page 192 Registration of span mV/V value (Host→CSD−891B) Terminator ID No. Span mV/V value Sign 00∼31 Command No. Return(CSD−891B→Host) Terminator ID No. Span mV/V value Sign 00∼31 Command No. D Data of span mV/V value enters up to the fourth place below decimal point (X.XXXX).
  • Page 193 b : Set in error Terminator ID No. Error code 00∼31 Command No. Terminator ID No. Error code 00∼31 Command No. D Data of the fine adjustment enters from the right end. D Never add the decimal point. D The actual load value is the amount of the minimum digits. D Then empty sections are all spaces.
  • Page 194 Command for finish of calibration(Host→CSD−891B) Terminator ID No. Command No. 00∼31 Return(CSD−891B→Host) Terminator ID No. Command No. 00∼31 Command for reading out the calibration status (Host→CSD−891B) Terminator ID No. Command No. 00∼31 Return(CSD−891B→Host) In normal termination Terminator ID No. Command No. 00∼31 b : In the calibration Terminator...
  • Page 195 c : In error input Terminator ID No. Command No. 00∼31 Terminator ID No. Command No. 00∼31 Terminator ID No. Command No. 00∼31 Terminator ID No. Command No. 00∼31 Termination command of calibration mode (Host→CSD−891B) Terminator ID No. Command No. 00∼31 Return(CSD−891B→Host) Terminator...
  • Page 196 9−4−6. Communication error process The instrument returns the error command to the host side at the time of Communication error or Execution error. Terminator Error Command No. ID No. 00∼31 Error Contents Remarks Command No. Error of impossible In the case of Function mode, Calibration mode, condition of execution Fine adjustment mode and Setting mode.
  • Page 197 10. Trouble shooting When abnormal point(s) is/are found during the operation of the instrument, check by the following procedures. However, when you can’t find applicable item nor solve the symptom of trouble even after you have taken some measures, contact us. Supply power, again.
  • Page 198 10−1. Execute trouble shooting Execute trouble shooting. Does supply power voltage satisfy the specifications? Supply power source suitable for the specifications. Display is wrong. Operation of comparator is wrong. External control input doesn’t operate. Connecting method is good. Key operation doesn’t work.
  • Page 199 Displays the load. Load display doesn’t vary. Displays optional values. Display fluctuates abnormally. OL display Execute the calibration again according to the procedures in the paragraph 5. −OL display Same situation Start measurement. Fuse is broken. Replace fuse by referring to the paragraph 13−1.
  • Page 200 Confirmation/change for set value should be Set value is good. made according to the paragraph 7−2−2. Confirmation/change for operation of Operation of comparator, comparative target for comparator is the same comparator should be made according to the as its intention. paragraph 7−2−3, 7−2−4 and 7−2−5.
  • Page 201 ZERO input doesn’t operate. Other than the range of Zero Displays ER−0. set.  Range of zero set is within A/Z input doesn’t ±10 % of the maximum work. display value. A/Z OFF input doesn’t work. Either the HOLD Set the HOLD input open. of external input or BCD output is used.
  • Page 202 Key lock is set with the Cancel the key lock with the function function F−06. F−06. HOLD of external Set the HOLD input open. control input is used. LOCK of external Set the LOCK input open. control input is used. Inform us about the contents of failure and situation at site in details.
  • Page 203 Remove the connecting cable for strain gage applied transducer from terminal board. Measure the voltage between the A−C terminals on the terminal board.  Set the connecting range to DC･V range for the measuring instrument such as tester and so on. The voltage between Contact us.
  • Page 204 ① Remove the connecting cable for strain gage applied transducer from the terminal board. ② Measure the voltage between the A−C terminals on the terminal board.  Set the connecting range to DC･V for the measuring instrument such as tester and so on. The voltage between Contact us.
  • Page 205 Remove the connecting cable for strain gage applied transducer from the terminal board. Measure the voltage between the A−C terminals on the terminal board.  Set the connecting range to DC･V for the measuring instrument such as tester and so The voltage between Inform us about the contents of A−C is the same as the setting...
  • Page 206 10−2. Optional check Check on options. Current output is wrong. Voltage output is wrong. BCD output is wrong. RS−232C is wrong. RS−422 is wrong. RS−485 is wrong. Inform us about the contents of failure and situation at site in details.
  • Page 207 Load resistance is Load resistance should be 510 Ω or 510 Ω or less. less. Remove the connecting cable at the current output terminal. Measure the voltage between the current output terminal + and −.  Set the connecting range to DC･mA range for the measuring instrument such as tester and so on.
  • Page 208 Load resistance is Load resistance should be 5 kΩ or 5 kΩ or less. less. Remove the connecting cable at the current output terminal. Measure the voltage between the current output terminal + and −.  Set the connecting range to DC･V range for the measuring instrument such as tester and so on.
  • Page 209 Connect with the external instrument by Set correctly. referring to the paragraph 9−2 Adjust the setting related with BCD output to the specifications for external connecting instruments. ・ F−41 Setting the output logic for BCD data Other than the BCD ・...
  • Page 210 Connect correctly by referring to the paragraph 9−3. Connecting is good. Set the following items correctly by conforming to the specifications for the host. ・ F−52 Setting the baud rate Baud rate and so on ・ F−53 Setting the data bit length and the parity are set correctly.
  • Page 211 Connect correctly by referring to the paragraph 9−4. Connected correctly. ID Nos. are set Set the ID Nos. correctly by conforming to the correctly. paragraph 8 and 9−4. Set the following items correctly by conforming to the specifications for the host. ・...
  • Page 212 Connect correctly by referring to the paragraph 9−4. Connected correctly. Set the ID Nos. correctly by conforming to the ID Nos. are set paragraph 8 and 9−4. correctly. Set the following items correctly by conforming to the specifications for the host. ・...
  • Page 213 Connect correctly by referring to the paragraph 9−4. Connected correctly. Set the ID Nos. correctly by conforming to the ID Nos. are set paragraph 8 and 9−4. correctly. Set the following items correctly by conforming to the specifications for the host. ・...
  • Page 214 10−3. Error display Error Contents of error Remedy code Zero set has executed with more than ±10 % Apply zero set after making it within ±10 % ER−0 of the maximum display value. of maximum display value. When CHECK is ON, zero setting is executed. After CHECK is OFF, execute the zero setting.
  • Page 215 Error Contents of error Remedy code ER−B Back−up error.  Press the key to enter the measurement The contents of the memory is broken. mode. (At this time, A/Z data becomes a initial value.) When this error appears at power supply ON every time, contact us.
  • Page 216 11. Specifications 11−1. Specifications for analog section DC10 V±0.25 V within 120 mA (Changeable to DC5 V or 2.5 V） Bridge power supply with remote sensing. Up to 4 pieces of strain gage applied transducers(350 Ω) can be Applicable transducers connectable.
  • Page 217 11−3. Front panel sheet key function  Changeover of the function mode or ON/OFF for check value by pressing with  key at the same time.  Displays the set value of S※ or carry on the set value.  Zero set or increment of set value.
  • Page 218 11−6. Open collector output signal S1, S2, S3 and S4 Open collector ON when reached under/over the comparator set value. The open collector ON with either condition in below by function setting. ・FULL condition (100 % of rated load). ・When the both of two whichever S1, S2, S3 or S4 are OFF condition. ・Operates when reached under/over the S0 set value.
  • Page 219 11−9. Standard specifications at the shipment Bridge power supply DC10 V Span adjustment 2 000 display at the input of 0.3 mV/V. The minimum scale 11−10. Accessories Instruction manual 1 piece Midget fuse 1 piece (5 A) Unit seal 1 piece Short bar between A−F/C−G 2 pieces BCD output plug 1 piece(Attached only when optional BCD output is installed.)
  • Page 220 11−11−2. BCD output ･ P/No. CSD891B−P15 ･ Specifications ・BCD 5 digits Output Parallel output, with polarity(POL.) applied (Output ON with minus, and output OFF with plus.) ・P .C.(Print command) ON for a fixed time after conversion of BCD output is completed. ・ERROR ON at the time of various errors are occurred.
  • Page 221 11−11−4. RS−422/485 interface ･ P/No. CSD891B−P76 ･ Specifications ：Select from 1 200, 2 400, 4 800, 9 600, 19 200 or 38 400 bps. Baud rate ：Select from 7 bits and 8 bits. Data bit length ：Select from Non, Even or Odd. Parity bit ：Select from 1 bit or 2 bits.
  • Page 222 12. Warranty 12−1. Warranty D The instrument is covered by a warranty for a period of one year from the date of delivery. D As for repairs and/or after service is required during the period of warranty, contact our sales office or sales agent from which you have purchased. 12−2.
  • Page 223 13. Appendix 13−1. Replacement of fuse  Warning ● When installation method for the fuse is wrong and/or the capacity of installed fuse is inadequate, it causes and unexpected faulty of the instrument. Turn OFF the power supply for the instrument. Remove the 2 pieces of setscrews on the front panel, and remove the front panel to the arrow direction.
  • Page 224 Replace the fuse installed on the AMP CARD Fuse holder AMP CARD Fuse After the fuse is exchanged, the substrate assembly is slowly inserted in the case. (At this time, the substrate is passed through the ditch in three places.) Upperleft edge ditch Upperright edge ditch Base of printed board...
  • Page 225 The front panel is installed in the case with two front panel stop screws. Case Front panel Stop screws for front panel 2−M4×25...
  • Page 226 13−2. Character’s pattern for display The followings are the table to show the display pattern used at 7 segments display on the instrument.
  • Page 227 13−3. Setting table for functions ※Make use of them in case that the customer has changed setting for the function. Function No. Initial value Customer’s setting Function No. Initial value Customer’s setting F−01 00000 F−44 00000 F−02 00004 F−45 00001 F−03 00001 F−46...
  • Page 230 1-1-1, Katase, Fujisawa-shi, Kanagawa-ken, 251-8531 Japan Tel: +81-466-23-2681 Fax: +81-466-22-7191 Sensing Device Business Unit FUJISAWA PLANT 1-1-1, Katase, Fujisawa-shi, Kanagawa-ken, 251-8531 Japan Tel: +81-466-22-7151 Fax: +81-466-22-1701 KARUIZAWA PLANT 4106-73 Miyota, Miyota-machi, Kitasaku gun, Nagano-ken 389-0293 Japan Tel: +81-267-31-1309 Fax: +81-267-31-1353 HOMEPAGE ADDRESS http://www.minebea-mcd.com...

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