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B.I.O-TECH 261 Instruction Manual

Universal flow controller
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Universal Flow Controller
Model 261 / 261-EC-01
Type ARS 261-EC 01
Art.-no: 82212264
Type ARS 261
Art.-no: 82212164
ARS261-E.doc
5.2024
We reserve the right to make technical changes without notice.
B.I.O.-TECH GmbH | Germany | Tel: +49 (0) 8541-91 00 47
E-Mail:
info@btflowmeter.com
| Internet:
www.btflowmeter.com

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Summary of Contents for B.I.O-TECH 261

  • Page 1 Universal Flow Controller Model 261 / 261-EC-01 Type ARS 261-EC 01 Art.-no: 82212264 Type ARS 261 Art.-no: 82212164 ARS261-E.doc 5.2024 We reserve the right to make technical changes without notice. B.I.O.-TECH GmbH | Germany | Tel: +49 (0) 8541-91 00 47 E-Mail: info@btflowmeter.com...

  • Page 2: Table Of Contents

    Instruction Manual Table of Contents 1. Safety Instructions 2. Product ID - Dimensions 3. Function Description 4. Installation – Battery Replacement 5. Programming 6. Technical Data 7. Spare Parts 1. Safety Instructions This instrument has been manufactured in accordance with the applicable state of the art and meets all safety regulations as shipped from the factory.

  • Page 3: Product Id - Dimensions

    2. Product Identification - Dimensions...

  • Page 4: Function Description

    3. Function Description This instrument is used as a pulse counter. You should adapt the factory-programmed instrument to your counting process prior to first use (see Section 5, Programming). The instrument is ready for operation when the programming input is not wired. The instrument has two counter inputs, A and B.
  • Page 5 For ADD/Count Direction, it only applies to Counter Input A, while Counter Input B is permanently programmed as a LOW-SPEED input (“Low” active). You can scale the display by programming suitable scaling factors. For the ADD/SUB and ADD/ADD counting modes, this can be done separately for each counting mode;...

  • Page 6: Installation - Battery Replacement

    Class IP 65 front protection is achieved through the seal integrated in the housing. See the wiring diagram below for the electric wiring. Model 261 Sensors for "HIGH"- active programming Transducer contacts for "LOW"- active programming (not shown) "LOW"-active...

  • Page 7: Programming

    The battery is accessible from the back of the instrument. There is a vertical notch under the middle of the nameplate. Cut through the nameplate there. Then slide out the two-part battery cover to one side along the guide grooves, and replace the battery observing the correct polarity.
  • Page 8 Count Mode Count Frequency Scaling Factor Scaling Factor Counter Input A Counter Input B Decimal Point Reset Enabled You can make changes within each menu point as follows: 1. Press the <R key: The parameter to be changed is activated, i.e., it begins to flash.
  • Page 9 4. Press S/E again: You reach the next menu item. The following illustrations show the settings allowed in the individual menus. Flashing display elements are shown in a lighter color. Count Mode Count Mode 1: Difference Count Mode 2: Sum Counter Input A: adding Counter Input A: adding Counter Input B: subtracting...
  • Page 10 Count Frequency maximum frequency 10 kHz maximum frequency 30 Hz Scaling Factor Counter Input A, Scaling Factor Counter Input B If you have selected Count Mode 1 or 2, you can set a separate Scaling Factor in the range of 0.0001 to 99.9999 for both Counter Input A and Counter Input B.
  • Page 11 Press ^ 4 times: Press <R: Press ^: Press <R: Press ^ twice: Press S/E: Please note that only one scaling factor can be programmed when Count Mode 3 is selected.
  • Page 12 Decimal Point Reset Key Enabled Reset key enabled Reset key disabled If the Reset key has not been enabled, the string “TOTAL” is displayed. Having completed the programming, isolate the programming input PROG from 0 V.

  • Page 13: Technical Data

    Please note that only the parameters confirmed with S/E are accepted. 6. Technical Data Displays Special LC display with dimension line, 8 digits, digit height 10 mm, pre-decimal point zero suppressed. Display Capacity: +/- 99999999 Programmable decimal point Power Supply internal lithium battery 3.6 V / 1.2 Ah Average battery life...
  • Page 14 Electrical Connection Terminal screw connection, P Phillips screws, size 1 max. lead section 2 x 1.5 mm² min. lead section 2 x 0.2 mm² IEC 529 Protection Class IP 65 front Temperature / Humidity range Operating temperature range - 10°C to + 50°C Storage temperature range - 20°C to + 70°C Temperature / Humidity...
  • Page 15 Combustibiity V0 under UL Standard 94 Inputs Counter Input A Pulse shape Programmed as “HIGH-SPEED” input “High” active Signal level L<= 1 VDC H>= 5 VDC  30 VDC Max. voltage amplitude Input resistance approx. 39 kOhm Max. frequency (pulse duty factor 1:1) 10 kHz min.
  • Page 16 Signal level L<= 1 VDC H>= 5 VDC  30 VDC Max. voltage amplitude Input resistance approx. 1 MOhm Max. frequency (pulse duty factor 1:1) 10 kHz min. pulse time 50 µs min. pulse pause 50 µs Active edge High/Low Programmed as “LOW –...

  • Page 17: Spare Parts

    7. Spare Parts Lithium battery Art.-No.: 82202233...

This manual is also suitable for:

261-ec-01Ars 261-ec 01Ars 2618221216482212264

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