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BASI BCOT751 Operation Manual

Smart isolated conductivity transmitter
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v2-1-06.18
BASI Instrument AB, P.O.Box 53, SE-275 06 VOLLSJÖ, SWEDEN
tel: +46 (0)40 88009, fax: +46 (0)40 929877, e-mail: info@basi.se
SMART ISOLATED
CONDUCTIVITY TRANSMITTER
BCOT751
O PERA T ION MANUAL
Please read this Operation Manual before mounting and operating.
Save the Manual for future references.

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Summary of Contents for BASI BCOT751

  • Page 1 BASI Instrument AB, P.O.Box 53, SE-275 06 VOLLSJÖ, SWEDEN tel: +46 (0)40 88009, fax: +46 (0)40 929877, e-mail: info@basi.se SMART ISOLATED CONDUCTIVITY TRANSMITTER BCOT751 O PERA T ION MANUAL Please read this Operation Manual before mounting and operating. Save the Manual for future references.

  • Page 2: Mounting And Wiring

    The device is fully programmable with all its parameters accessible by PC via its communication interface. Mounting and Wiring Mounting BCOT751 can be easily mounted on every 35 mm rail conforming to EN50022. Wiring ♦ Connect a conductivity cell to terminals 5 and 6(7) and a temperature compensation sensor to terminals 7(6) and 8.
  • Page 3 Programming Device parameters BCOT751 is a programmable device whose service behavior is determined by a set of parameters. All the parameters, along with their names, symbols, and value ranges, are given in Table 1.
  • Page 4 Parameter Symbol Description Input Parameters Temperature Value Measured temperature Default Temperature Default temperature t.def Temperature measurement unit Temperature Unit t.unit Temperature Temperature compensation coefficient t.cor Coefficient Temperature Temperature compensation method t.comp Compensation Temperature Sensor t.sens Type of sensor connected to the device temperature input Conductivity Value Measured conductivity Conductivity Unit...
  • Page 5 Table 1 Value Unit Point Notes 000.0…100.0 t.unit 032.0…212.0 used when Temperature Compensation = fixed c (Celsius), f (Fahrenheit) c, f 0.000…9.999 %/t.unit 0.000…5.555 sens (using measured temperature), sens, fixed (using Default Temperature), off (no compensation) fixed, off Pt100 (Pt100), pt1000 (Pt1000), Pt100, pt1000, ntc1k (NTC 1k) ntc1k...

  • Page 6: Communication Protocol

    10 (LF). The first word in the frame denotes the parameter 'Symbol' Notes: as taken from Table 1 and ♦ BCOT751 adds 3 spaces the second word (if needed) in the beginning of the response. is the parameter 'Value', ♦ BCOT751 returns decimal point both spelled with only even when the value is integer.
  • Page 7 Communication Protocol Other device responses invalid command. command not recognized ♦ BCOT751 responses in case parity error. parity error detected of incorrect protocol use are given on the left. attempt to write symbols not a number. ♦ for numerical parameter...

  • Page 8: Temperature Compensation

    Temperature Compensation ♦ To use the current measured temperature for temperature compensation, set parameter Temperature Compensation to sens (t.comp sens#13#10). ♦ For manual temperature compensation, using the value of the parameter Default Temperature, set parameter Temperature Compensation to fixed (t.comp fixed#13#10). Set a Default Temperature value as close as possible to the operating temperature value.

  • Page 9: Output Control

    Output Control Output operation ♦ The analog output operates according to the values of parameters Low Limit, High Limit, and Output Value. ♦ The alarm relay output operates according to the control algorithm parameters - Set Point, Direction, and Hysteresis. ♦...
  • Page 10 Calibrating Calibration by setting cell constant ♦ To use this method, set parameter Calibration Mode to c.set (cal c.set#13#10). ♦ Assign the precise cell constant value, taken from the certificate provided with your sensor or from the sensor label, to the parameter Cell Constant (const x.xxxxxx#13#10).

  • Page 11: Waste Disposal

    Waste Disposal Do not dispose of If disposed of within European Union, electronic devices this product should be treated together with and recycled in accordance with the laws household waste of your jurisdiction implementing material. Directive 2012/19/EU on waste electrical and electronic equipment (WEEE).

  • Page 12: Specifications

    Protection Class IP20 Warranty and Support Warranty …………………………. BASI Instrument AB warrants this product article number to be free from defects in materials and workmanship for 2 years. If your unit …………………………. is found to be defective within that time, serial number we will promptly repair or replace it.

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