Minebea CSA-521 Скачать руководство пользователя | Manualshive

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1. General

This instrument is a transmitter for the application of strain gage applied transducer.

It can obtain the analog output corresponding to the load, pressure, and the torque, etc., by amplifying

the output of various strain gage applied transducers.

2.

Name and function of each point

①

②

④

③

1

“ZERO” trimmer

Trimmer for the zero point adjustment.

2

“SPAN” trimmer

Trimmer for the amplification degree adjustment.

3

“CALIB” switch

Used when the CALIB value is turned on and off.

4

Terminals

DC power supply, the earthing conductor, the voltage output signal line, and the strain gage

applied transducer are connected.

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Содержание CSA-521

Страница 1: ...Transmitter CSA 521 Instruction Manual EN294 1145 G ...

Страница 2: ......

Страница 3: ...ains installation procedures and connecting method and also operating method for the Transmitter CSA 521 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 ...

Страница 4: ...t do this Take care and For reference Be sure to read these items where these marks are attached Warning Warning may cause injury or accident that may harm to the operator Don t do these things described here Caution during operation and working Be sure to read the item to prevent malfunction Mark during operation Press the switch ...

Страница 5: ...emperature area D Do not use the instrument in a high humid area D Do not install the instrument where there are vibrations and shocks D Do not use the instrument where there is excess of dusts and fine particles D Do not use the instrument where there are corrosive gas and salt and like that D Do not install the instrument where there is rapid change of temperature and humidity D Do not install t...

Страница 6: ...ring 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 Unit mm Surface of board Side face Height of board Max 20 1 6 80 70 60 70 ...

Страница 7: ...e be sure to make calibration If calibration will not be made the correct measuring results may not be obtained nor which may cause malfunction in the instrument and there may exist damage in peripheral equipments Besides even though calibration has been made there may occur the similar case when the results are not correct so make calibration again Warning In case of using the instrument check th...

Страница 8: ... a case which standard wiring color is different please confirm the inspection data sheet of the load cell being used is added Feb 2010 DRW No EN294 1145 C Due to ECN No FN10 02026 Change Front cover s logo is changed Oct 2010 DRW No EN294 1145 D Due to ECN No FN10 02140 Change Minebea logo is changed Jun 2012 DRW No EN294 1145 E Due to ECN No FN10 02140 D Change Minebea logo is changed Feb 2013 D...

Страница 9: ...of voltage output 5 3 3 3 Connection with the power supply and the earth 6 4 Calibration procedures 7 4 1 Preparations 7 4 2 Calibration procedures 7 4 2 1 Calibration by the actual load 7 4 2 2 Electronic calibration by CALIB input 8 4 3 Zero adjustment by mounting resistance 10 4 3 1 Mounting the resistance 10 4 3 2 Check the initial load 11 5 Trouble shooting 13 5 1 Execute trouble shooting 14 ...

Страница 10: ......

Страница 11: ...the output of various strain gage applied transducers 2 Name and function of each point 1 ZERO trimmer Trimmer for the zero point adjustment 2 SPAN trimmer Trimmer for the amplification degree adjustment 3 CALIB switch Used when the CALIB value is turned on and off 4 Terminals DC power supply the earthing conductor the voltage output signal line and the strain gage applied transducer are connected...

Страница 12: ...nnected internally 3 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 is 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...

Страница 13: ...he accuracy is out of warranty because the resistance of cable makes the input voltage of the instrument decreased 3 When the length of CAB 502 is more than 10 m totally or the zener barrier is used in the system CALIB is not applicable 3 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 ...

Страница 14: ...521 Junction box B 304 CAB 502 3 m WHT BLU 1 YEL Shield GRN 1 RED 2 The length of CAB 502 is within 30 m totally Internal wiring diagram of B 304 to CSA 521 to load cell RED WHT BLU GRN YEL Shield Terminal pitch 9 5 mm Suitable crimp type terminal lugs 1 25 4 or 2 4 RED WHT BLU GRN YEL Shield ...

Страница 15: ...g to the figures and also within specified load resistance If neglected it may cause an unexpected failure and or malfunction to the instrument For the connections with voltage outputs be sure to apply shielded cable and the shielded cable should be connected with the F G terminal of the instrument If not connected it may cause malfunction due to the effects from external noises and so on ...

Страница 16: ...nsumption Within approx 100 mA D class with single earth DC24 V DC18 V to DC36 V Warning Connections with the power supply and the earth should be made securely according to the figures and also within the rated capacity of the instrument If neglected it may cause an unexpected cause of failure Grounding should be the D class with single earth If neglected it may cause an unexpected malfunction du...

Страница 17: ...ic calibration by CALIB input The accuracy of calibration obtained from is 1 500 or so In the following paragraphs we will describe each calibration procedure by showing the examples with load cell applied 4 2 1 Calibration by the actual load Procedures 1 Set the load cell to the condition at initial load tare weight When the initial load tare weight is exceeding the 0 25 mV V at the input convers...

Страница 18: ...of the initial load tare weight When the initial load tare weight is exceeding 0 25 mV V at the input conversion cancel the initial load tare weight referring to the paragraph 4 3 ZERO trimmer SPAN trimmer 2 ZERO adjustment Adjust the voltage output value to become at 0 000 V with ZERO trimmer 2 ...

Страница 19: ...he maximum load value and the voltage output value of the connected load cell at that time Adjust the voltage output value to become the calculated value by using the SPAN trimmer Calculation example The calculation example when the voltage output of 10 000 V is required at the maximum load of 0 34 t in the condition of using one point of load cell with the rated capacity 1 t rated output 3 mV V W...

Страница 20: ...ure coefficient less than 50 ppm is recommended If the one with more excellent resistance temperature coefficient is used the influence on accuracy by the temperature becomes small when used in the environment with a large temperature change The example of resistance for compensation corresponding to the input conversion strain is shown on the next page However the error is actually caused with th...

Страница 21: ...7 kΩ 3000 1 5 4 57 kΩ 4 53 kΩ 3200 1 6 4 28 kΩ 4 32 kΩ 3400 1 7 4 03 kΩ 4 02 kΩ 3600 1 8 3 81 kΩ 3 83 kΩ 3800 1 9 3 60 kΩ 3 60 kΩ 4000 2 0 3 42 kΩ 3 40 kΩ 4200 2 1 3 26 kΩ 3 24 kΩ 4400 2 2 3 11 kΩ 3 09 kΩ 4600 2 3 2 98 kΩ 2 94 kΩ 4800 2 4 2 85 kΩ 2 87 kΩ 5000 2 5 2 74 kΩ 2 74 kΩ 4 3 2 Confirmation of initial load Please confirm it by the following procedure when an initial load tare weight is unce...

Страница 22: ...00 V and input voltage is 2 0 mV in the condition of the initial load tare weight is as follows Power supply voltage of the bridge 10 000 V Input voltage 2 0 mV Initial load input conversion value 10 000 V 2 0 mV 0 2 mV V Therefore according to the paragraph 4 3 1 Rz is calculated to 34 2 kΩ ...

Страница 23: ...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 OK NG Supply power again Operation Normal Operation Start measurement Abnormal operation Execute trouble shooting ...

Страница 24: ... voltage satisfy the specifications Supply power source suitable for the specifications Inform us about the contents of failure and situation at site in details 1 NO YES YES YES NO NO Voltage output doesn t operate Load resistance is 2 kΩ or more Set load resistance over 2 kΩ ...

Страница 25: ...ctuates abnormally 1 Output the voltage NO NO Zero adjustment of voltage output cannot be made Proceed zero adjustment referring to the paragraph 4 3 NO YES 2 3 4 YES YES NO YES Inform us about the contents of failure and situation at site in details ...

Страница 26: ...16 POWER LED is light on NO YES YES 2 Connecting method is good Connect securely according to the paragraph 3 1 NO Inform us about the contents of failure and situation at site in details ...

Страница 27: ...aph 3 By checking the voltage between the terminal B and D on the terminal board apply load on the strain gage applied transducer The voltage between B and D varies The voltage between A C is DC10 V 3 Make re calibration according to the procedures in chapter 4 Start measurement Same condition YES NO YES YES NO NO Inform us about the contents of failure and situation at site in details There may h...

Страница 28: ...ng to the paragraph 3 Especially check any effects from the noise source such as an inverter or like that 4 Same condition YES NO Short circuit the B and D of the terminals and V Voltage output is stable NO YES YES NO The voltage between A C is DC10 V and stable Inform us about the contents of failure and situation at site in details Start Measurement Inform us about the contents of failure and si...

Страница 29: ...are weight compensation by mounting the resistance Non linearity 0 02 F S Temperature coefficient Zero point 1 μV Input conversion Sensitivity 0 01 F S CALIB 0 5 mV V 0 001 mV V Frequency response range 1 kHz 3 dB 1 dB 6 2 General specifications Operating temperature humidity range Temperature 10 to 50 Humidity Less than 85 RH Non condensing Power supply voltage DC24 V 100 mA Outline dimensions W ...

Страница 30: ...agent from which you have purchased 7 2 Repair Before asking repairs make checks once again that the connection setting and adjustment for the instrument have finished properly by referring to 9 Trouble shooting Especially make checks whether the connections of sensors are disconnected or cut off After that still there may be found some defects in the instrument contact our sales office or sales a...

Страница 31: ......

Страница 32: ...e Product Sales Management 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 ww...

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