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ATO -PHM-163S User Manual

Ph/orp controller
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User Manual
pH/ORP Controller
U-S361HP-EN2

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Summary of Contents for ATO ATO-PHM-163S

  • Page 1 User Manual pH/ORP Controller U-S361HP-EN2...
  • Page 2 Preface Thank you for purchasing pH/ORP controller. Please read this manual carefully before operating and using it correctly to avoid unnecessary losses caused by false operation. Note Modification of this manual’s contents will not be notified as a  result of some factors, such as function upgrading. We try our best to guarantee that the manual content is ...
  • Page 3 Safety Precautions In order to use this product safely, be sure to follow the safety precautions described. About this manual Please submit this manual to the operator for reading.  Please read the operation manual carefully before applying the  instrument.
  • Page 4 If you need to replace parts of the product, please use the  model specifications specified by the company. This product is not intended for use in systems that are directly  related to personal safety. Such as nuclear power equipment, equipment using radioactivity, railway systems, aviation equipment, marine equipment, aviation equipment and medical equipment.
  • Page 5 grounding protection must be made. Thunder prevention engineering facilities must be well  managed: the shared grounding network shall be grounded at is-electric level, shielded, wires shall be located rationally, SPD surge protector shall be applied properly. Some inner parts may carry high voltage. Do not open the ...
  • Page 6 clear to avoid malfunctions due to high temperatures, abnormal operation, shortened life and fire. Please strictly follow the instructions in this manual,  otherwise the product's protective device may be damaged. Don’t use the instrument if it is found damaged or ...
  • Page 7 Disclaimer The company does not make any guarantees for the terms  outside the scope of this product warranty. This company is not responsible for damage to the instrument  or loss of parts or unpredictable damage caused directly or indirectly by improper operation of the user.

  • Page 8: Table Of Contents

    Contents Chapter1 Introduction ................1 1.1. Characteristics ................1 1.2. Parameters ...................2 Chapter2 Installation ..................4 2.1. Instrument installation ..............4 2.2. Electrode installation ..............7 2.3. Wiring ................... 8 Chapter3 Navigation keys ............... 10 Chapter4 System menu & operating ............11 4.1. Monitoring page ................. 11 4.2.
  • Page 9 Chapter6 Maintenance ................24 Chapter7 Troubleshooting ...............26 Chapter8 Communication ............... 28 Chapter9 Warranty & After-sales Service ..........30 VIII...

  • Page 10: Chapter1 Introduction

    Chapter 1 Introduction Chapter1 Introduction This product is an instrument developed by our company for online monitoring of pH / ORP value. The data can be transmitted to the monitoring room through RS485 or 4-20mA. The pH / ORP controller is widely used in thermal power, chemical fertilizer, metallurgy, environmental protection, pharmaceutical, biochemical, food, tap water and other industries, and it continuously monitors the pH or ORP value and temperature in the solution.

  • Page 11: Parameters

    Chapter 1 Introduction 1.2. Parameters Table 1 Screen size 2.8 inch monochrome LCD, Resolution:128*64 Overall dimension: 96mm×96mm×113mm Dimension Cutout dimension: 92mm×92mm Weight 0.5kg Variables pH/ORP pH：0.00pH~14.00pH Measure range ORP：-2000mV~2000mV pH：±0.02pH； ORP：(-2000 ~ -1000)mV，±2mV Accuracy (-1000 ~ 1000)mV，±1mV (1000 ~ 2000)mV，±2mV Input resistance ≥10 Ω...
  • Page 12 Chapter 1 Introduction Working 0℃~60℃ temperature AC：220V±10%，50Hz； Power supply DC：24V Power ≤5W consumption Temperature：-10℃~60℃ Relative humidity：5%~85% (no condensation) Storage Altitude：<2000m...

  • Page 13: Chapter2 Installation

    Chapter 2 Installation Chapter2 Installation 2.1. Instrument installation The installation location and installation method of this product are explained. Please be sure to read this section when installing. Installation precautions The instrument is panel mounted.  Please install it at the place with good ventilation in order to ...
  • Page 14 Chapter 2 Installation Installation method: Open a 92mm × 92mm mounting hole in the product cabinet or mounting panel, the thickness of the mounting panel is 1.5mm～13mm Figure 1 Mounting hole dimension drawing 10mm 96mm 103mm Figure 2 Dimension...
  • Page 15 Chapter 2 Installation Insert the product into the mounting hole fixing screw, as shown in Figure 3: Figure 3 Installation...

  • Page 16: Electrode Installation

    Chapter 2 Installation 2.2. Electrode installation Schematic diagram of common installation methods  Figure 4 common installation methods Side wall installation Flange mounted at the top Pipe installation Top installation Submersible installation Flow-through installation The interface must be in 15 oblique angle, or it will affect the normal test and use of the electrode.

  • Page 17: Wiring

    Chapter 2 Installation 2.3. Wiring Figure 5 Identification of terminal REF：Reference terminal of the electrode  INPUT：Measuring terminal of the electrode  TEMPA：Temperature compensation A  TEMPB：Temperature compensation B  RS485A+：RS485 communication interface A+  RS485B-：RS485 communication interface B-  NC：Unidentified ...
  • Page 18 Chapter 2 Installation 4~20mA-：4~20mA output -  AC220V(L)：AC220V live wire  AC220V(N)：AC220V neutral wire  LO(AL)：Low alarm relay  HI(AH)：High alarm relay  DC24V+：DC24V +  DC24V-：DC24V - ...

  • Page 19: Chapter3 Navigation Keys

    Chapter 3 Navigation keys Chapter3 Navigation keys Button display Figure 6 Definition Table 2 Sign Button name Key function Under “Monitoring page” - Enter the Menu MENU Under “Menu page” - Exit the MENU Under "Monitoring page" - Alarm view Under "Menu page"...

  • Page 20: Chapter4 System Menu & Operating

    Chapter 4 System menu & operating Chapter4 System menu & operating 4.1. Monitoring page ② ① 25.℃ 20.00mA ④ ○ 14.00 ③ ⑤ Figure 7 ①:Temperature ②:Output current ③:Measured value ④:Fixed output ⑤:Unit 4.2. Alarm inquiry page Push [ESC] to enter alarm inquiry page, to inquire the current warning configuration information ALM Hi on：...

  • Page 21: Password Verification Page

    Chapter 4 System menu & operating 4.3. Password verification page Push [MENU] to enter password verification page; Figure 9 Input password and push [ENTER] to enter home page.  Initial password is 0000, which can be modified via password  modification function.

  • Page 22: Chapter5 Setting

    Chapter 5 Setting Chapter5 Setting 5.1. Calibration -----Main Menu----- ------ ----- Calibration 1.Calibration 1.Sensor CAL 2.Setup 2.Temp offset 3.System 3.Parameter 4.Maintenance Figure 11 (1) Sensor calibration  pH calibration --------- pH --------- 1. 2 points 2. 3 points 3. pH offset Figure 12 2 points calibration : Select two corresponding standard solutions according to the acid-base condition of the test solution.
  • Page 23 Chapter 5 Setting Put the pH electrode into the 4.00pH/4.01pH (acidic) or 9.18pH/10.01pH (alkaline) standard solution, and let it stand for a while. After the displayed value is stable, press the [ENT] button. After the calibration is successful, The pH calibration process ends.
  • Page 24 Chapter 5 Setting NOTE : Offset is only performed during zero drift.  ORP Calibration ---------ORP------- 1. 2 points 2. ORP offset Figure 13 2 points calibration : After entering the ORP calibration interface, first put the ORP electrode into the 86mV standard solution, and let it stand for a while. After the displayed value is stable, press the [ENT] button.

  • Page 25: Setup

    Chapter 5 Setting ------ Temp offset----- + 00.0℃ Figure 14 (3) Parameter It can display the zero point and slope of calibration. ----- ---- ------ ----- Parameter -Parameter- Offset:---mV Offset:-.--pH Slope：---% Slope：---% Figure 15 5.2. Setup ------Signal Setup----- -------Main Menu------ 1.
  • Page 26 Chapter 5 Setting (1) Sensor Type ----Sensor Type---- 1. pH 2. ORP Figure 17 Set the type of electrode, two types of pH electrode and ORP electrode can be set. (2) Temperature compensation -------TEMP.COMP.------- 1. COMP Method Figure 18 Compensation method: automatic temperature compensation or manual temperature compensation can be set.
  • Page 27 Chapter 5 Setting The channel setting can set the parameters of the transmission output of this channel, and each parameter can set the corresponding value of 4mA and 20mA of (4~20)mA output. (4) Communication -------COMM------- 1. Address 2. Baud Rate 3.
  • Page 28 Chapter 5 Setting value, the low alarm relay is closed, and when the measured value is greater than the low alarm cut-off value, the low alarm relay is disconnected. Hystersis: -------Hystersis------- Hystersis： 01.00pH Figure 22 Hysteresis prevents repeated alarm when the measures date fluctuates from the alarm point.

  • Page 29: System

    Chapter 5 Setting Alarm on Hysteresis Alarm off Alarm on Figure 23 High- or low-level alarm and Hysteresis (6) Damping ------Damping------ 0S-9S： Figure 24 Measurement and transmission damping time (0s～9s) can be set, the greater the damping time, the slower the change of measurement and output value.
  • Page 30 Chapter 5 Setting (1) Language -------Language------ 1. 中文 2. English Figure 26 Set the type of language, Chinese and English can be set. (2) Buzzer -------Buzzer------- 1. On 2. Off Figure 27 Set the switch of the buzzer when alarming. (3) Password reset -------Pwd reset------- -------Pwd reset-------...

  • Page 31: Maintenance

    Chapter 5 Setting (4) Recall default ------RCL Default----- Recall default？ Figure 29 Restore to factory settings. (5) Device information Hardware: XXXXXXV.XX Software: XXXXXXV.XX Figure 30 Query the current hardware and software version. 5.4. Maintenance -----Main Menu---- 1. Calibration ------Hold------ --Maintenance-- 2.
  • Page 32 Chapter 5 Setting calibration work, electrode replacement, maintenance work, etc.), this operation can keep the current output current constant, so as to avoid false alarms caused by signal changes during maintenance work and interfere with the operation of downstream chain equipment. There are ○...

  • Page 33: Chapter6 Maintenance

    Chapter 6 Maintenance Chapter6 Maintenance The storage of pH glass electrode, short-term:  stored in the pH = 4 buffer solution; long-term: stored in the pH = 7 buffer solution. pH glass electrode cleaning  pH glass electrode cleaning glass electrode bulb contamination may make the electrode response time longer.
  • Page 34 Chapter 6 Maintenance The reference electrode regeneration reference electrode  problems caused by the vast majority of liquid junction caused by blockage, the following methods can be resolved:  Soaking fluid interface: 10% saturated potassium chloride solution and 90% distilled water mixture, heated to 60 ~ 70 ℃, the electrode immersed in about 5cm, soak for 20 minutes to 1 hour.

  • Page 35: Chapter7 Troubleshooting

    Chapter 7 Troubleshooting Chapter7 Troubleshooting The users must read this manual carefully before installation and using. The instrument should be operated correctly in accordance with the contents of this manual to confirm whether the installation and use environment meets the requirements. The following table is the possible faults encountered by the pH / ORP controller.
  • Page 36 Chapter 7 Troubleshooting Problems Solutions The controller cannot be The standard solution is incorrectly calibrated prepared or the electrode is damaged The instrument can not measure accurately after The standard solution may be calibration with a contaminated, please replace the standard solution of standard solution to re-calibrate pH4.00、...

  • Page 37: Chapter8 Communication

    Chapter 8 Communication Chapter8 Communication The instrument is provided with standard RS485 series communication interface, in accordance with international universal standard MODBUS-RTU communication protocol, supporting No.03 register reading and holding command. Table 4 Communication data and register address. Function Data Access Name Register...
  • Page 38 Chapter 8 Communication Communication case: Communication case: The computer sends: 00 03 00 00 00 01 85 DB pH / ORP Table Returns: 00 03 02 02 AE 05 58 Return command comment: 00 is RS485 communication address; 03 is the function code; 02 is the data length of the return pH value: 2 bytes;...

  • Page 39: Chapter9 Warranty & After-Sales Service

    Chapter 9 Warranty & After-sales Service Chapter9 Warranty & After-sales Service We promise to the customer that the hardware accessories provided during the supply of the instrument have no defects in material and manufacturing process. From the date of the purchase, if the user's notice of such defects is received during the warranty period, the company will unconditionally maintain or replace the defective products without charge, and all non customized products are guaranteed to be returned and replaced within...

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