Minebea CSD-904-EX Instruction Manual
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Minebea CSD-904-EX Instruction Manual

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DIGITAL INDICATOR
CSD-904-EX
Instruction Manual
MINEBEA Co., Ltd.
Measuring Components Business Unit
EN294-1185-G

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  • Page 1 DIGITAL INDICATOR CSD-904-EX Instruction Manual MINEBEA Co., Ltd. Measuring Components Business Unit EN294-1185-G...

  • Page 2: Marks And Arrangements Used In This Manual

    Forwards Thank you very much for your purchasing Minebea’s Digital Indicator, model CSD-904-EX. This manual explains the handling procedures and the notes when it would be used. Make use of it properly after reading through the manual carefully. Be sure to deliver the manual to the end user. Moreover, the end user should keep the manual at hand after reading it over.

  • Page 3: For Safe Operation

    For safe operation Be sure to read this instruction manual before use. Installation place Caution Use the instrument where the temperature/humidity specifies with the range as follows： ● Environmental temperature ：－10 ℃ to 40 ℃ ● Environmental humidity ：Less than 85 %RH (Non condensing) Warning As it may cause an unexpected faulty in the instrument., don’t locate the instrument on the places as follows : ①...
  • Page 4 ② Installation Warning ● 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: Front Side (11) 20.2 Rear Panel cut size...
  • Page 5 ③ Applicable environment Warning: The instrument may subject to use in a highly humid area or in full of powder dust. In such a case, use the instrument by inserting the panel mount gasket attached between the control panel (cabinet) and the main body. By inserting the panel mount gasket, the front panel section becomes IP65 (International Protection Code) or equivalent in dust-proof and water-proof construction.

  • Page 6: Power Supply

    Before supplying the power, check that the indication of power supply voltage/specifications for the instrument and the power going to supply should be the same. If they are not equal, contact with Minebea. If you use the instrument without checking them, it may cause a damage in the instrument or electric shock to the operator.

  • Page 7: History Of Revision

    Panel mounting gasket is added. Due to ECN No.FN10-02140 Oct. 2010 DRW. NO.EN294-1185F - Change - Minebea logo is changed. Due to ECN NO.FN11-02001A - Correction - 13-3-10. “DE-9S-N (JAE)” to “DE-9S-NR by JAE or equivalent.” Due to ECN No.FN11-02016 ROM Ver.3.100 or lator.

  • Page 8: Table Of Contents

    Index Forwards ..................................I Marks and arrangements used in this manual .....................I For safe operation..............................II 1. Installation place......................II 2. Power supply........................V 3. Application note ......................V History of revision..............................VI 1. Name and function of each point ........................1 1-1. Front panel........................1 1-2.
  • Page 9 6. Various functions by C function data ......................30 6-1. Setting of decimal point display position ................30 6-2. Condition of over display ( display)..............30 6-3. Setting of the unit......................30 6-4. Zero set .........................30 6-5. Zero tracking .........................31 6-6. Power on zero ........................32 6-7.
  • Page 10 10. Check mode ............................... 49 10-1. Setting method of Check mode..................49 10-2. Confirmation of ROM version ..................50 10-3. Confirmation of external control input ................. 50 10-4. Confirmation of contact output ..................51 10-5. Confirmation of load cell output voltage............... 51 10-6.
  • Page 11 15-4. General specifications ....................99 15-5. Specification at the shipment ..................100 15-6. Accessories......................... 100 16. Error display..............................101 17. Warranty................................102 17-1. Warranty ........................102 17-2. Repair ........................102 18. Character's pattern for display........................103 19. Setting table for functions ........................... 104...

  • Page 12: Name And Function Of Each Point

    It displays “Gross/Net value”, “Over” and “Error”. Also it displays the condition or the setting value in proceeding the various setting. ③ Condition display section It displays the condition of CSD-904-EX. ACCUM. It lights on when the accumulation data is made.
  • Page 13 ⑥ It is switched to the accumulation display, and also to the previous state by which the status of each mode is set. ⑦ It is used for the load value to accumulate, and also it carries up the set digit when the value is set. ⑧...

  • Page 14: Rear Panel

    1-2. Rear panel ③Optional products attaching portion 1 ②Fuse holder ①Power supply socket ⑦Connector for load cell ④Optional products ⑤Connector for external ⑥Output terminal for ⑧Calibration LOCK switch section attaching portion 2 control input serial interface ① Power supply socket Connecting the AC cable regularly attached to this point, the power supply voltage is supplied.

  • Page 15: Connecting Method

    Shield In case of using with 4 wires method, the connection between No.1 - No.2 and No.3 – No.4 in the connector should be short-circuited. When No.2 connectors and No.3 are used while opened, CSD-904-EX does not work normal operation.
  • Page 16 ③ When you connect the load cell in parallel The hopper scale, the track scale, etc., have the case to connect the several pieces of the load cell in parallel. The parallel connection can be easily done by using optional SB-310 and SB-320 (Summing type junction box).

  • Page 17: Connection Of The External Control Input

    The function can be controlled from the outside with the “INPUT” connector in the rear panel. It is executed by shorting each pin and the COM pin with a contact point or an open collector after wiring for the connector. INPUT CSD-904-EX internal equivalent circuit Layout of INPUT connector pin Pin No. Function No.

  • Page 18: Connection Of The Serial Interface (S-I/F)

    It is a two-wire method serial interface to connect a printer and an external indicator, etc. Equipment for serial interface CSD-904-EX internal equivalent circuit ● There are M250 printer etc. made by Unipulse as an equipment for the serial interface.

  • Page 19: Connection Of The Power Supply And Ground

    2-5. Connection of the power supply and ground Please insert the attached AC cable into the socket of power supply in the rear panel. Plugs of the AC cable are three pins, and pins round-shaped at the center are the ground terminal. It is inserted in the power supply outlet in the predetermined power requirement.

  • Page 20: Operation

    3. Operation 3-1. Changeover of mode This unit has various modes according to the operating situation. Proceed the changeover of the mode by the key operation. Power ON Display check (All lights on) Measurement mode Measurement mode (Display measuring value) (Display accumulated value) Stand-by condition (Lights off the measuring value display)
  • Page 21 ① Function mode ( Various functions become effective because of setting the function data. ② C function mode ( Various functions which relate to calibration by setting C function data become effective. ③ Calibration mode ( By setting the calibration data, the calibration is executed to display the electric signal from the measuring section(load cell) as an accurate load.

  • Page 22: Calibration

    4. Calibration To be able to display the electrical signal from the measuring section (load cell) as an accurate weight, the operation to match the display of the instrument with the weight loaded on the measuring section is called a calibration.

  • Page 23: Calibration Procedures

    ● Please execute the calibration if necessary when the environment to be used changes. ● The display resolution that the performance becomes effective is 10 000 or less. The display resolution is a value into which weighting is divided by the scale interval of the first range. ●...
  • Page 24 4-3-2. Switch to the calibration mode Change from the standard measurment mode to the Stand-by condition stand-by condition by the key. ＋ Pressing the key with the key pressed, it displays Press the key twice. displays. Press the key here. Calibration mode displays, and it enters into the calibration mode.
  • Page 25 4-3-4. Set weighting When key is pressed from display, is displayed. Memorized weighting When the weighting has already been changed, the weighting being memorized now is displayed. Here, please set the weighting. Changed weighting : The value of changed digit is changed. : Changed digit is selected.
  • Page 26 4-3-6. Calibration of zero point When the zero calibration starts, is displayed. Please select the zero calibration method. ① Method by the measuring data (status of initial load) Press the key, and execute the operation of a). Execute the calibration of zero with nothing put on the measuring section. ②...
  • Page 27 4-3-7. Calibration at span When the span calibration starts, is displayed. Please select the span calibration method. ① Method by the measuring data Press the key, and execute the operation of a). Execute the span calibration with weight put on the measuring section. ②...
  • Page 28 4-3-8. Quit the calibration is displayed when span calibration is completed. Press the key to quit the calibration mode. The display becomes , and the set data is memorized internally. Press the key to set to the stand-by condition. The calibration mode is completed. Stand-by condition.

  • Page 29: Fine Adjustment Of Zero And Span

    4-4. Fine adjustment of zero and span It is the function to make the fine adjustment of zero and span when there is a difference between the actual measuring value and the weight. 4-4-1. Changeover to zero and span fine adjustment mode Press the key, and move from a usual measurement Measurement mode...
  • Page 30 4-4-2. Fine adjustment of zero and span When key pressed from display is displayed. In executing the zero fine adjustment, proceed the operation of a). In case of executing the span adjustment only, press key, and proceed the operation of b) after displaying a) Fine adjustment of Zero Press the...
  • Page 31 c) End of fine adjustment mode Press the key to quit the fine adjustment mode of zero and span. displayed, and the setting data is memorized to the internal memory. Press the key, and move to the stand-by condition. The fine adjustment mode of zero and span is completed.

  • Page 32: Digital Linearize

    4-5. Digital linearize After the calibration, the measurement error of some scale interval levels might be caused between the zero and span (maximum capacity) by the influence of the measuring section etc. The digital linearization function executes the compensation of three points or less except the zero and span, and to reduce the measurement error.
  • Page 33 4-5-2. Setting of the digital linearization By pressing the key twice from display, is displayed. As the display becomes → by pressing key, please select the numbers of points which wants to compensate linearization, and press the key. : compensation by 1 point : compensation by 2 point : compensation by 3 point Please put the weight of the point which should be the...
  • Page 34 Put the weight. Please press the key when the compensation of each point is completed. is displayed. Confirm the stability mark lighting on. Press the key to complete the digital linearization mode. is displayed, and the setting data is When P-3 is selected. memorized in the internal memory.

  • Page 35: Calibration Only Of Zero Point

    4-6. Calibration only of zero point It is a function for the re-calibration only of the zero point when the amounts of the tare other than the maximum capacity of the measuring section are changed. 4-6-1. Changeover of the calibration mode by zero point Measurement mode Press the key to change from the measurement...
  • Page 36 4-6-2. Calibration mode only of zero point Please make the display to by pressing key from the display of Please make to the status where nothing is put on the measuring section here excluding the tare outside maximum capacity. The display of blinks by pressing the key, and start the calibration at zero.

  • Page 37: Lock Of Calibration

    4-7. LOCK of calibration The function change in the calibration and C function can be prohibited by the switch of rear panel. 4-7-1. LOCK by the switch There is calibration LOCK switch in the inside when the Load cell connector cap under the load cell connector of rear panel is removed.

  • Page 38: C Function Mode

    5. C function mode The various functions concerning to the calibration become effective by setting the C function data. 5-1. Setting method of C function data Press the key to change the condition from normal Measurement mode measurement mode to stand-by condition. Stand-by condition When the key is pressed with pressing the...

  • Page 39: Function Of C Function Data

    5-2. Function of C function data Setting Item Function No. Contents value ●0 No decimal point 1234.5 Display position of CF-01 decimal point. 123.45 12.345 ●0 Bigger than |The maximum capacity＋9D| Condition of over display CF-03 Exceeding to the maximum capacity ±110 % ●0 No unit...
  • Page 40 Setting Item Function No. Contents value 1 scale interval 2 scale interval ●2 5 scale interval Setting of scale interval of CF-41 the second rang 10 scale interval 20 scale interval 50 scale interval 000000 Boundary value setting in the CF-42 ～999999 second range...

  • Page 41: Various Functions By C Function Data

    6. Various functions by C function data 6-1. Setting of decimal point display position The decimal point display position is selected by C function CF-01. The position of the decimal point can be selected from “Nothing”, “1234.5”, “123.45” and “12.345”. Default has selected “Nothing”.

  • Page 42: Zero Tracking

    6-5. Zero tracking Zero tracking feature is a function to which the compensation of the gradual zero drift in a constant condition and the zero point is stabilized. 6-5-1. Zero tracking target The zero tracking target is selected by C function CF-12. “Gross value or net value”...

  • Page 43: Power On Zero

    6-6. Power on zero The power on zero function makes the display to a zero if the changes of display is within ±10 % of the maximum capacity when the power is turn on, or in the stable condition in the operation of display turning on. 6-6-1.

  • Page 44: Gravity Acceleration Compensation

    6-8. Gravity acceleration compensation When the calibration place and the using place of the measuring are different, the error is caused in span by the difference of the gravity acceleration of the various place district. The gravity acceleration compensation function is a function for the compensation of this span error by setting the gravity acceleration of two districts with a different calibration place and using place.

  • Page 45: Gravity Acceleration

    < Gravity acceleration compensation table in Japan > District Acceleration Pertinent district (m/s Kushiro-shi, Kitami-shi, Abashiri-shi, Rumoi-shi, Wakkanai-shi, Monbetsu-shi, Nemuro-shi, 9.806 Branch administrative office jurisdiction of Souya, Rumoi, Abashiri, Nemuro, and Kushiro. Sapporo-shi, Otaru-shi, Asahikawa-shi, Yubari-shi, Iwamizawa-shi, Biubai-shi, Ashibetsu-shi, Ebetsu-shi, Akahira-shi, Shibetsu-shi, Furano-shi, Nayoro-shi, Mikasa-shi, Chitose-shi, Takigawa-shi, Sunagawa-shi, 9.805 Utashinai-shi, Fukagawa-shi, Eniwa-shi,...

  • Page 46: Automatic Range Switch

    6-9. Automatic range switch Automatic range switch function switches automatically and displays the scale interval by the measuring data of the gross or net value by dividing the range of the measurement to the maximum capacity into 2 or 3. 6-9-1.

  • Page 47: Setting Of The Stability Detection Time Width In Calibration

    ex.2 In case of net value cancelled 300 g of tare weight set in ex.1 Scale interval 1 g 目量 1 g Scale interval 0.5 g 目量 0.5 g Scale interval 0.1 g 目量 0.1 g 正味量 －300 g 600 g 700 g 300 g Net value 計量値...

  • Page 48: Function Mode

    7. Function mode Various functions become effective by setting the function data. 7-1. Setting method of the function mode Move from the normal measurement mode to stand-by Measurement mode condition by pressing the key. is displays by pressing the key with Stand-by condition key, and enters into the function mode.

  • Page 49: Function Of The Function Data

    7-2. Function of the function data Items Function No. Setting value Contents Moving average times : 2 times Moving average times : 4 times ●3 Moving average times : 8 times Setting of digital filter F-01 Moving average times : 10 times Moving average times : 12 times Moving average times : 14 times Moving average times : 16 times...
  • Page 50 Items Function No. Setting value Contents Width of comparator 00～99 Unit : 1D F-25 hysteresis data ●00 00 : Hysteresis OFF Stream (outputs synchronizing with the ●0 display frequency.) BCD output operation Synchronizes with the print. F-30 mode (Synchronize with the key, the external control input or the automatic print.) ●0...
  • Page 51 Setting Items Function No. Contents value RS-232C/422/485 ●0 Nothing transmission data decimal F-46 Existing point existence Manual additive only ＋ Accumulation function F-50 ●2 Manual additive both ＋/－ operating conditions Auto additive only ＋ Auto additive both ＋/－ Unit : 1D Setting of accumulation 00～99 F-51...

  • Page 52: Various Functions By Function Data

    8. Various functions by function data 8-1. Digital filter The digital filter function is a steady function by the running average processing of data into which A/D is converted. The running average frequency is selected by setting function F-01. The running average frequency can be selected from “OFF”, “2 times”, “4 times”, “8 times”, “10 times”, “12 times”, “14 times”...
  • Page 53 The data width to which the stabilization filter is executed is selected by the function F-06. The data width of the stabilization filter for each set value “n” is obtained in the display conversion by the following expression. “Data width of stabilization filter”＝ “Setting value of F-06”× “The scale interval” When the setting by function F-06 is “10”, and the scale interval is “D＝5”, it will be as follows;...

  • Page 54: Key Lock Function

    8-4. Key lock function This function sets whether the operation of each key in the front panel is effective or invalid to prevent the various keys from the wrong operation. 8-4-1. Key lock The function of F-08 sets whether the key operation of “set”,”Accum./ ”,”PRESET TARE/ ”, ”TARE/ “...

  • Page 55: Input Of The Fixed Tare Weight Cancellation

    8-5-2. Time width of stability detection The time width of stability detection can be set by function F-11. Setting range : 0～9 Unit : 0.5 s 0：OFF Default has set “2”. ● When two range or three range switches have been selected by the automatic range switches, the data width of the stability detection execute the display conversion of the data width by the value of the first range scale interval (scale interval in the calibration).

  • Page 56: Automatic Printing

    8-7. Automatic printing Automatic printing is used when the print output is automatically done whenever the load hangs to the measuring section by using the two-wires method serial interface, the BCD output, and the RS-232C interface. The load display enters within the range of the output effective, and data is output once at the stable. 8-7-1.
  • Page 57 ● The load display blinks once in both cases manual operation/automatically in accumulating. At the same time, one accumulated count is added. ● When there is an accumulation data, the “ACCUM.” mark of the condition display lights on. ● When exceeding the display range of the accumulated value or the accumulated counts results, the accumulation is not executed. The “ACCUM.”...

  • Page 58: Setting Of The External Control Input Operation

    8-8-6. Clear of the accumulated value and count. Press the key in the condition of the accumulated value display. (During the display of the accumulated count, the clear operation cannot be proceeded.) is displayed, and press the key. is displayed, and the accumulated value and accumulated count is cleared at the same time.

  • Page 59: Record Place Of Set Data

    9. Record place of set data This unit records each data in RAM and EEPROM as follows; It is preserved almost permanent because EEPROM is nonvolatile. Moreover, RAM data disappears in power supply OFF because RAM is not backed up. 9-1.

  • Page 60: Check Mode

    10. Check mode In the check mode, the following confirmations can be made. ● ROM version ● External control input operation ● Contact output operation (Option) ● Output voltage of the load cell ● BCD output operation (Option) ● Analog output (Option) 10-1.

  • Page 61: Confirmation Of Rom Version

    10-2. Confirmation of ROM version When the key is pressed from display, ROM version is blinking displayed. move to the confirmation of external control input. 10-3. Confirmation of external control input When the key is pressed from display, display becomes blinking. At this time, the status of ON/OFF of the external control input signal can be confirmed by the status Confirms by external...

  • Page 62: Confirmation Of Contact Output

    10-4. Confirmation of contact output When the key is pressed from display, display blinks. At this time, by operating the following keys, the display each judgement output is switched, and the contact output against the position is turned on. : Changeover the each contact output : Quit from the check mode LO output move to the confirmation of...

  • Page 63: Confirmation Of Bcd Output (When Bcd Output Is Applied.)

    10-6. Confirmation of BCD output (When BCD output is applied.) By pressing the key from display, is displayed, and 10 digit blinks. At this time, The same value as the display is output from the BCD output. The BCD output changes, too, when the display is changed with a below mentioned keys.

  • Page 64: Comparator

    11. Comparator The comparator function is a function to compare the measured load values and the load value set beforehand. The comparison result displays in judgement display section, and is output by the optional contact output. ●The comparator of this unit executes the comparison operation synchronizing with the display. 11-1.
  • Page 65 11-3-2. Setting for upper limit value/lower limit value. Measurement mode By pressing the key from the normal measurement mode, it becomes the stand-by condition. By pressing the key with the key, ＋ is displayed with blinking By pressing the key, the upper limit (HI) being memorized at present is displayed, and please set the upper limit key by using the following keys.
  • Page 66 11-3-3. Operation of upper/lower limit comparison mode Display Small Display Large Lower limit Upper limit value(LO) value(HI) Function F-20 “5” ・Comparator comparison operation (Except the range from －5D to ＋5D only during the stable condition) Function F-20 “0”(Gross value) ・Target of comparator comparison operation ・Upper limit value 5 000 ・Lower limit value...
  • Page 67 11-3-4. Operating condition of the comparator hysteresis The comparator hysteresis is a function for the chattering prevention of the output relay. The comparator hysteresis operating conditions is selected by setting function F-24. The operating conditions of the comparator hysteresis can be selected from “On delay” and “Off delay”. Default has selected “On delay”.

  • Page 68: Weigh In/Out Mode

    11-4. Weigh in/out mode Weigh-in/weigh-out measurement is a function to measure the decided amount which is always comparing between a load value and various set values. The value of target value, fall, pre-set value and near zero is set, and the signal of small weigh-in(HI output), large weigh-in(OK output) or near zero(LO output) is output according to the comparison result.
  • Page 69 11-4-3. Output condition of weigh-out measurement Output signal Condition Output terminal Small weigh-in Net value≦－(Target value－Fall) Large weigh-in Net value≦－(Target value－Pre-set value) Near zero Gross value≦Set value of near zero Measurement value Zero display Target value Pre-set value (SET2) Pre-set value Target value (SET0)
  • Page 70 11-4-4. Setting of various set values (Target value, Fall, Pre-set value and Near zero) Measurement mode By pressing the key from the normal measurement mode, it enters into the stand-by condition. When the key is pressed with pressing the key, ＋...
  • Page 71 key is pressed after setting the “before When the Near zero set value”(SET2), is blinking displayed. As the value of “near zero” memorized at present is displayed when the key is pressed again, please set the value of “near zero” similarly. Press the key.

  • Page 72: Serial Interface (S-I/F)

    12. Serial interface (S-I/F) 12-1. Specification of interface Specifications Contents Baud rate 600 bps Data length 8 bit Parity bit Stop bit 1 bit Start bit 1 bit Sending data Binary code, BCD 12-2. Data format INTERVAL FUN1 FUN2 ① INTERVAL Space for 15 bit(25 ms) or more (MARK SIGNAL) ②...

  • Page 73: Explanation Of Format Data

    12-3. Explanation of format data (1) Automatic printing bit (FUN1：bit 0) This bit can be used as a trigger with the serial interface receiving side equipment. (2) Display bit (ST1：bit 7、bit 6) bit 7：When the display of this unit is gross value, “1” is set. bit 6：When the display of this unit is net value, “1”...

  • Page 74: Options

    13. Options 13-1. Analog output 13-1-1. Specifications of current output (P/No. : CSD904-P07) Specifications Contents Output DC4 mA to 20 mA Load characteristic 510 ohm or less Non linearity 0.05 %F.S. Resolution Approx.1/12 000 Approx.DC2.4 mA at “-OL” display Over range Approx.
  • Page 75 ② Voltage output Shield Load resistance 5 k-ohm or more ＋ － ● For the connection with the analog output, be sure to apply the shielded cable and shield should be connected with F.G terminal. 13-1-4. Analog output target The analog output target is selected by C function CF-70. The analog output target can be selected from “Display interlock”, Gross value”...
  • Page 76 13-1-5. Scaling of analog output The analog output is set as the minimum value ～ the maximum value by 0 to 10 000. This can be made an any value by changing CF-71 and CF-72. Analog output アナログ出力 Approx.21.6 mA 約21.6 mA Approx.
  • Page 77 13-1-6. Fine adjustment of analog output After the analog output scaling is executed by setting C function CF-71 and CF-72, the fine adjustment is executed by the trimmer ZERO and the trimmer SPAN. The range of the fine adjustment is approx.±10 % against the full scale. ZERO trimmer SPAN trimmer...

  • Page 78: Bcd Output

    13-2. BCD output 13-2-1. Specifications of BCD output (P/No. : CSD904-P15) Specifications Input/Output Contents BCD data Output 7 digit parallel output. POL. (Polarity) Output ON by minus polarity output, and OFF by plus polarity output. Turning on during the fixed time after the conversion of BCD P.C.
  • Page 79 13-2-5. Width of P.C.(Print command) The width of print command is selected by the setting of function F-33. The width of print command is selected from “125 ms” or “25 ms”. Default has selected “25 ms”. ● The print command becomes unstable in the starting period because of converting the BCD data. Please read correct BCD data according to the timing of the falling down of the print command.
  • Page 80 13-2-7. Equivalent circuit of input/output Output section Input section ＝DC30 V ＝DC20 mA MAX 13-2-8. Timing chart Normal 5 times/s：Approx.200 ms 15 times/s：Approx.66 ms DATA POL. 5 times/s：Approx.125 ms/ Approx.25 ms changeable 15 times/s：Approx.25 ms P.C. ●At the time of data output of each P.C., DATA and POL., output transistor will become ON(Negative logic electrically). When the data is over DATA POL.
  • Page 81 (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, all of the output transistor will become OFF at the time of ERROR output(Positive logic electrically). (4) When the hold signal is input.

  • Page 82: Rs-232C And Rs-422/485 Interface

    13-3. RS-232C and RS-422/485 interface 13-3-1. Specification of RS-232C interface (P/N. CSD904-P74) Specification Contents Communication method Half duplex Synchronous method Start-stop synchronous method Baud rate Selectable from 1 200, 2 400, 4 800 and9 600 bps. Data bit length Selectable from 7 bit or 8 bit. Parity bit Selectable from No-parity, Even parity or Odd parity.
  • Page 83 (1) Command mode Data is sent back from CSD-904-EX to the host side according to the command/data by sending the command/data to CSD-904-EX provided by the host (personal computer or sequencer, etc.). Please communicate according to the following procedure. Start Command/Data Host→CSD-904-EX...
  • Page 84 When the transmitting terminal on the host side enters the state of low impedance after the host side transmission ends, the return data of the CSD-904-EX side can be delayed. The delay time of RS-485 return data is set by the function F-45.
  • Page 85 ● The screws for the fixing base of plug at the connector of RS-232C interface is inch type thread. ● Don’t connect with N.C. pin. ● The internal circuit and photo-coupler is insulated. ● The external control input COM. (two pins) and S.G. for RS-232C are common. (1) Wiring of RS-232C No.1 CSD-904-EX Host(25 pins) F.G. N.C. S.G.
  • Page 86 ● For the connection, we recommend to apply twisted pair wires. ● The external control input COM. (two pins) and the S.G. for RS-422/485 are common. ● Internal circuit and photo-coupler is insulated. (1) Wiring of 1 to 1 CSD-904-EX RS-422 Host RDB Adress 00 TRM.
  • Page 87 (2) Wiring of 1 to n RS-422 Host CSD-904-EX RS-485 Host CSD-904-EX RDB Adress 00 RDB Adress 00 TRM. TRM. S.G. S.G. S.G. S.G. CSD-904-EX CSD-904-EX RDB Adress 01 RDB Adress 01 TRM. TRM. S.G. S.G. CSD-904-EX CSD-904-EX RDB Adress 09...
  • Page 88 ● The decimal point adheres to a specified position when the decimal point is set with F-46 and when decimal point is specified with CF-01. ● “OL” is appeared in the load data section at the over load. ● The empty sections are all spaces. ① Reading out the load data (Host → CSD-904-EX) When command number is from 20 to 25 Command No.
  • Page 89 Stable S Gross value － Minus Kilo-gram Unstable pound ② Reading out the comparison data (Host → CSD-904-EX) Operation Command No. Reading out upper limit value (HI) 0 Terminator Reading out lower limit value(LO) Address Reading out target value(SET0) Command No.
  • Page 90 “1” = ON, “0” = OFF e：Gross value “1” = ON, “0” = OFF f：Net value “1” = ON, “0” = OFF g：Zero ④ Reading out comparison result (Host → CSD-904-EX) Operation Command No. Reading out comparison 1 Terminator Address Command No.
  • Page 91 ⑤ Reading out the unit (Host → CSD-904-EX) Operation Command No. Reading out the unit 2 Terminator Address Command No. 00～31 Return (CSD-904-EX → Host) Terminator Address Space 00～31 Condition Command No. Unit No Unit ⑥ Change of condition (Host → CSD-904-EX) Operation Command No.
  • Page 92 ⑦ Writing the comparative data (Host → CSD-904-EX) Terminator Address Set value 00～31 Sign Operation Command No. Command No. Writing upper limit value(HI) Writing lower limit value(LO) Writing target value(SET0) Writing pre-set value(SET2) Writing fall value(SET1) Writing near zero value(SET3)
  • Page 93 ● “OL” is appeared in the load data section at the over load. ● The empty sections are all spaces. ① When the setting of function F-41 is set with gross weight and net weight Return (CSD-904-EX → Host) Terminator Load data Command No.
  • Page 94 ＋ Terminator ＋ Terminator ― Terminator ② When the setting of function F-41 is set with “Load display data with condition” C9 C10 C11 C12 C13 C14 C15 Terminator Sign Load data 8 digits Header 2 Unit Header 1 Header 1 Header 2 Sign Load data 8 digit...

  • Page 95: Contact Output

    13-4. Contact output 13-4-1. Specification of contact output (P/N. CSD904-P43) Specification Contents Composition of the 3 point (1a contact) contact point Rated load AC250 V or DC30 V Rated energizing current 3 A (Load resistance) 13-4-2. Connection of contact output －...

  • Page 96: Power Supply Voltage

    13-5. Power supply voltage The power supply voltage of this unit has AC120 V, AC200 V, and AC240 V besides of standard AC100 V. Please use them within the following specified ranges according to the connecting method in the paragraph 2-5. 13-5-1.

  • Page 97: Trouble Shooting

    To check of the comparator check. External control input doesn't operate. To check of the external control input. Operation of options is wrong. To check of the options. Inform Minebea about the contents of failure and situation at site in details.
  • Page 98 Check of display Displays the load. Fuse is broken. OL display －OL display Display fluctuates abnormally. Inform Minebea about the contents of Replace fuse failure and situation at site in details.
  • Page 99 ② The strain gage applied transducer has broken due to overload and so on. ③ The signal wire of the strain gage applied transducer has been cut off. Inform Minebea about the contents of Start measurement failure and situation at site in details.
  • Page 100 The voltage between A and C is DC5 V in stable condition. Inform Minebea about the contents of failure and situation at site in details. ① Shorten the B, D and C in the connector ② Confirm the output voltage of the load cell according to the paragraph 10-5.
  • Page 101 ① Failure in contact by using out of rated capacity of contact. ② Failure in customer’s input circuit. Please confirm the contact output Inform Minebea about the contents of according to the paragraph 10-4. failure and situation at site in details.
  • Page 102 Please give respectively as an input of 100 ms or more because the operation is executed when the input signal is shortened about 100 ms or more. Inform Minebea about the contents of failure and situation at site in details.
  • Page 103 To the check of BCD output. RS-232C is wrong. To the check of RS-232C. RS-422 is wrong. To the check of RS-422C. RS-485 is wrong. To the check of RS-485. Inform Minebea about the contents of failure and situation at site in details.
  • Page 104 Please make the load resistance suitable for the specification. Please confirm the function setting concerning to the analog output. Set correctly. Please set correctly according to the paragraph 13-1. Inform Minebea about the contents of failure and situation at site in details.
  • Page 105 The intended value is not output. Please select the BCD output target according to the paragraph 13-2. The BCD output does not change. Please open the HOLD input. Inform Minebea about the contents of failure and situation at site in details.
  • Page 106 Please make host's flow control none. The value intended in the stream mode is not transmitted. Please select the output target at the stream mode. Inform Minebea about the contents of failure and situation at site in details.
  • Page 107 13-3. The flow control is specified by the host. Please make host's flow control none. The change of RS-422/485 is set correctly. Please change RS-422/485 correctly. Inform Minebea about the contents of failure and situation at site in details.
  • Page 108 Is setting at the reply delay time appropriate to host's response? There may not respond because host's response is slow. Please enlarge the reply delay time of this unit. Inform Minebea about the contents of failure and situation at site in details.

  • Page 109: Specifications

    15. Specifications 15-1. Specifications for analog Bridge power supply DC5 V±0.25 V within 120 mA with sensing Applicable transducer Up to 8 pieces of strain gage applied transducers(350 ohm) can be connectable. Input sensitivity 0.2 μV/d or more (d＝The scale interval) Input range －3.1 mV/V to 3.1 mV/V Zero adjustment range...

  • Page 110: General Specifications

    Output BCD 7 digit parallel output, with polarity, P.C.(Print command), Error, OVER, Stable, Gross value ※Above is open collector output V = DC30 V, I = DC20 mA MAX BCD output(Option) Input HOLD, BCD-ENABLE ※Above is level input, and effective during the input of short more than 100 RS-232C (Option) RS-232C interface output RS-422/485 interface output...

  • Page 111: Specification At The Shipment

    15-5. Specification at the shipment Bridge power supply DC5 V Span adjustment 10 000 display at the input of 0.5 mV/V The scale interval 15-6. Accessories Instruction manual 1 piece 1 piece (Power supply voltage AC100 V or AC120 V : 0.5 A、 Midget fuse Power supply voltage AC200 V or AC240 V : 0.315 A) External control input plug 1 piece...

  • Page 112: Error Display

    Display blinking for about 2 seconds when the calibration is executed, and “Display of the maximum capacity(DISP)” < “Set of mass weight value(LOAD)” is set. A/D conversion error. Please contact with MINEBEA. EEPROM writing error. Please contact with MINEBEA. EEPROM reading error. Please contact with MINEBEA.

  • Page 113: Warranty

    ● The instrument is covered by a warranty for a period of one year from the date of delivery. ● As for repairs and/or after service is required during the period of warranty, contact with Minebea's sales office or sales agent from which you have purchased.

  • Page 114: Character's Pattern For Display

    18. Character's pattern for display The followings are the table to show the display pattern used at 7 segments display on the instrument.

  • Page 115: Setting Table For Functions

    19. Setting table for functions Make use of them in case that the customer has changed setting for the function. Setting table for C function Function No. Initial value Customer's setting Function No. Initial value Customer's setting CF-01 CF-41 CF-03 CF-42 003000 CF-05...
  • Page 116 The contents of this manual may subject to change without notice. MINEBEA CO., LTD. HEAD QUARTER : 4106−73 Miyota, Miyota−machi, Kitasakugun, Nagano−ken 389−0293, Japan   0267−32−2200 .0267−31−1350 Measuring Components Business Unit FUJISAWA PLANT 1−1−1, Katase, Fujisawa−shi Kanagawa−ken, 251−8531 Japan ...

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