SUPMEA SUP-pH6.0 User manual

User's Manual
U-PH6-MYEN2
pH/ORP Controller
Supmea Automation Co.,Ltd.
www.supmea.com
Headquarters
5th floor,Building 4,Singapore Hangzhou Science Technology Park,No. 6 street,
Hangzhou Economic Development Area,Hangzhou 310018,China
Singapore
2 Venture Drive #11-30 Vision Exchange Singapore
Philippines
Majestic Subdivision, Lot 1, 1800 Rainbow St, Marikina, 1811 Metro Manila, Philippines
[email protected]

I
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 accurate, if you find
something wrong or incorrect, please contact us.
This product is forbidden to use in explosion-proof occasions.
Version
U-PH6-MYEN2

II
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.
On the precondition of full understanding.
This manual only describes the functions of the product. The company does
not guarantee that the product will be suitable for a particular use by the
user.
Precautions for protection, safety and modification of this product
To ensure safe use of this product and the systems it controls, Please read
carefully the operation manual and understand the correct application
methods before putting into operation, to avoid unnecessary losses due to
operation mistakes. If the instrument is operated in other ways not
described in the manual, the protections that the instrument give may be
destroyed, and the failures and accidents incurred due to violation of
precautions shall not be borne by our company.
When installing lightning protection devices for this product and its control
system, or designing and installing separate safety protection circuits for
this product and its control system, it needs to be implemented by other
devices.
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.If applied, it is the responsibility
of the user to use additional equipment or systems to ensure personal
safety.

III
Do not modify this product.
The following safety signs are used in this manual:
Hazard, if not taken with appropriate precautions, will result in serious
personal injury, product damage or major property damage.
Warning:Pay special attention to the important information linked to
product or particular part in the operation manual.
Confirm if the supply voltage is in consistent with the rated voltage
before operation.
Don’t use the instrument in a flammable and combustible or steam area.
To prevent from electric shock, operation mistake, a good 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 square panel
in the front except our company personnel or maintenance personnel
acknowledged by our company, to avoid electric shock.
Cut off electric powers before making any checks, to avoid electric
shock.
Check the condition of the terminal screws regularly. If it is loose, please
tighten it before use.
It is not allowed to disassemble, process, modify or repair the product
without authorization, otherwise it may cause abnormal operation,
electric shock or fire accident.
Wipe the product with a dry cotton cloth. Do not use alcohol, benzine or

IV
other organic solvents. Prevent all kinds of liquid from splashing on the
product. If the product falls into the water, please cut off the power
immediately, otherwise there will be leakage, electric shock or even a
fire accident.
Please check the grounding protection status regularly. Do not operate
if you think that the protection measures such as grounding protection
and fuses are not perfect.
Ventilation holes on the product housing must be kept 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 deformed at opening
of package.
Prevent dust, wire end, iron fines or other objects from entering the
instrument during installation, otherwise, it will cause abnormal
movement or failure.
During operation, to modify configuration, signal output, startup, stop,
operation safety shall be fully considered. Operation mistakes may lead
to failure and even destruction of the instrument and controlled
equipment.
Each part of the instrument has a certain lifetime, which must be
maintained and repaired on a regular basis for long-time use.
The product shall be scrapped as industrial wastes, to prevent
environment pollution.
When not using this product, be sure to turn off the power switch.
If you find smoke from the product, smell odor, abnormal noise, etc.,
please turn off the power switch immediately and contact the company
in time.

V
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.
After opening the box, please confirm the package contents before starting the
operation.If you find that the model and quantity are incorrect or there is physical
damage in appearance, please contact us.
No.
Name
Quantity
Note
1
pH/ORP controller
1
2
Manual
1
3
Certificate
1

VI
Contents
Chapter 1 Introduction........................................................................................................1
1.1 Characteristics....................................................................................................... 1
1.2 Parameter............................................................................................................... 2
Chapter 2 Installation..........................................................................................................3
2.1 Instrument installation...........................................................................................3
2.2 Electrode installation.............................................................................................5
2.3 Wiring...................................................................................................................... 6
Chapter 3 Navigation keys.................................................................................................7
3.1 Button display.........................................................................................................7
Chapter 4 System menu & operating...............................................................................8
4.1 Monitoring page..................................................................................................... 8
4.2 Password verification page.................................................................................. 9
4.3 Main menu.............................................................................................................. 9
Chapter 5 Setting.............................................................................................................. 10
5.1 System setting..................................................................................................... 10
5.2 Signal Setting.......................................................................................................10
5.3 Online calibration.................................................................................................11
5.4 Remote transmission setting............................................................................. 11
5.5 Alarm setting........................................................................................................ 12
5.6 Information inquiry...............................................................................................12
Chapter 6 Communication...............................................................................................13
Chapter 7 Maintenance....................................................................................................15
Chapter 8 Troubleshooting.............................................................................................. 17

Chapter 1 IntroductionChapter 1 Introduction
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Chapter 1 Introduction
Independent research and development of electronic online monitoring pH / ORP
value, through the RS485 or current transmission remote access to the monitoring
room for record and save.
pH / ORP tester is one of the intelligent online chemical analysis equipment, is a
widely used in thermal power, chemical fertilizer, metallurgy, environmental
protection, Pharmaceutical, biochemical, food and tap water solution pH value or
ORP value and temperature of the continuous monitor.
Continuous monitoring data through the transmission output connection recorder to
achieve remote monitoring and recording, you can also connect the RS485
interface through the MODBUS-RTU protocol can be easily connected to the
computer to achieve monitoring and recording.
1.1 Characteristics
Design of board card modularity, for convenience of
assembly and configuration.
2.4 inches 12864 lattice screen.
Isolating transmitting output, with little interference.
Isolating RS485 communication.
Can be pH / ORP measurement, temperature measurement, upper and
lower limit control, transmission output, RS485 communication.
Configurable manual and auto temperature offset function.
Configurable upper/lower limit warning and delay.
Configurable hummer and LCD backlight switch.

Chapter 1 IntroductionChapter 1 Introduction
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1.2 Parameter
Screen size
2.8 inch monochrome LCD(liquid crystal display) with a
resolution of 128*64
Overall dimension:
100mm×100mm×150mm
Cutout dimension
92.5mm×92.5mm
Weight
0.58Kg
Ingress protection
IP65
Measure variables
pH/ORP
Measure range
pH：0.00 ~ 14.00pH
ORP：-1000 ~+1000mV
-2000~+2000mV（optical）
Accuracy
pH：±0.02pH
ORP：±1mV
Input resistance
≥1012Ω
Temperature
compensation
NTC10K：
-10~60℃Accuracy ±0.3℃
60-130℃Accuracy ±2℃
PT1000：Accuracy ±0.3℃
-10-130℃manual/automatic
Output
4~20mA output, maximum loop is 750Ω,±0.2%FS
RS485 output
Isolated, MODBUS-RTU RS485
Alarm relay
2channels, Pickup/Breakaway AC250V/3A
Relative humidity
10~85%RH(No condensation)
Operating temperature
0 ~ 60℃
Power supply
AC：220V±10%，50Hz/60Hz
Storage conditions
Temperature：-15~65℃
Relative humidity：5~95%RH(No condensation)
Altitude:<2000m

Chapter 2 InstallationChapter 2 Installation
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Chapter 2 Installation
2.1 Instrument installation
Please read the instruction of installation location and method of instrument as
described during installation.
2.1.1 Installation precautions
This product is tray mounted.
Please install it indoors, avoiding wind, rain and direct sunlight.
In order to prevent the internal temperature of this product from rising,
please install it in a well-ventilated place.
When installing this product, please do not tilt it to the left and right, try to
install it horizontally (it can be tilted back <30 °).
2.1.2 Installation should be kept away from the following site
In direct exposure to sunlight and near thermal equipment.
With ambient temperature over 60 degrees in operation.
With humidity over 85% in operation.
Nearby electromagnetic source.
In strong mechanical vibration.
With varying temperature and dew condensation.
With oil smoke, steam, humidity, dust and corrosive gases.

Chapter 2 InstallationChapter 2 Installation
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2.1.3 Installation methods
Install a 92.5 * 92.5 mounting hole on the instrument cabinet or mounting
panel.the thickness of the mounting panel is 1.5mm～13mm.
92.5mm
87mm
92.5mm
87mm
150mm
100mm
100mm
130mm

Chapter 2 InstallationChapter 2 Installation
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The instrument into the mounting hole and then buckle on the Snap, as shown
below
2.2 Electrode installation
Schematic diagram of common installation method
①Side wall installation ②Flange mounted at the top ③Pipe installation ④Top
installation ⑤Submersible installation ⑥Flow-through installation
The interface must be in 15°oblique angle, or it will affect the normal test and use
of the electrode. We won’t be responsible for any results due to this.

Chapter 2 InstallationChapter 2 Installation
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2.3 Wiring
Wiring diagram
2.3.1 Identification of terminal
INPUT: Measuring terminal of the electrode
REF: Reference terminal of the electrode
NC: Unidentified
A: Temperature compensation terminal A,NTC10K and PT1000 connect here
B: Temperature compensation terminal B,NTC10K and PT1000 connect here
C: Temperature compensation terminal C, PT1000 three-wire temperature
grounding, PT1000 two-wire need to be short-connected to TEMPB, not
NTC10K.
NC: Unidentified
RS485 (A +): RS485 communication interface A +
RS485 (B -): RS485 communication interface B-
I (+): 4-20mA output end+
I (-): 4-20mA output end-
AC220V (L): AC220V FireWire
AC220V (N): AC220V zero line
HO: High alarm normally open relay
HC: High alarm normally closed relay

Chapter 3 Navigation keys
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LO: Low alarm normally open relay
LC: Low alarm normally closed relay
COM: Common
Chapter 3 Navigation keys
3.1 Button display
3.1.1 Definition of buttons
Sign
Button
name
Key function
ESC
Under "Monitoring page" - Alarm view
Under "Menu page" - Return to the previous page
Under "Calibration page" - Skip this item
RIGHT
Make a recurrent selection of digit of parameters modify the
original indication value
MENU
Under “Monitoring page” - Enter the MENU
Under “Menu page” - Exit the MENU
DOWN
Under “menu page” - Select the related menu
Modify the values in the configuration state
ENTER
Under “Menu page” - Enter the sub-menu or confirm
modification

Chapter 4 System menu & operating
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Chapter 4 System menu & operating
4.1 Monitoring page
The instrument is equipped with monochrome lattice LCD, 128*64 resolution.
Push [MENU] to enter password verification page; input password to enter
the home page.
Push [EXIT] to enter alarm inquiry page, to inquire the current warning
configuration information.
pH monitoring page
ORP monitoring page

Chapter 4 System menu & operating
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4.2 Password verification page
Input password and push [CONFIRM] to enter home page.
Initial password is 0000, which can be modified via password modification
function.
Please contact us if you forget your password.
4.3 Main menu
System Setting: settings of language, buzzer and backlight, modification of
password and factory settings
Signal Setting: Toggle electrode type and automatic/manual temperature
compensation.
Online Calibration: Calibrate or correct pH and ORP signal.
Remote Setting: settings of RS485 parameters and current transmission
output.
Alarm Setting: settings of parameters of high and low warning.
Information Inquiry: current version number.

Chapter 5 Setting
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Chapter 5 Setting
5.1 System setting
Language: language type, Chinese or English.
Buzzer: settings of switch of buzzer during warning.
Backlight setting: settings of LCD backlight.
Password modification: password modification and log-in with new
password.
Factory setting: return to factory settings
5.2 Signal Setting
Electrode type: set the electrode type, pH electrode and ORP electrode two
types.
Temperature compensation: set the automatic warming or manual
temperature compensation, the temperature range of -10-130 ℃.Temp
Switch: auto temperature offset NTC10K or PT1000 or manual temperature
compensation, temperature range: -10℃-130.0℃.

Chapter 5 Setting
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5.3 Online calibration
pH Calibration: Enter the pH calibration screen, the first pH electrode into
the 4.00pH standard solution, standing for a moment, to be stable after the
show, press the 【ENT】, then the pH electrode into the 6.86pH standard
solution Set the pH electrode into the 9.18pH standard solution, put it aside
for a moment, after the test is stable, press 【ENT】, the display shows the
success of the calibration, the whole process of pH calibration completes.
pH Modification: The measured pH can be modified between 2 pH values.
ORP Calibration: enter the ORP calibration screen, the first ORP electrode
into the 86mV standard solution, standing for a moment, to be shown after
the stability, press the【ENT】, then the ORP electrode into the 256mV
standard solution, static Set a moment, after the display is stable, press the
【ENT】display calibration is successful, ORP calibration process is over.
ORP Modification: The measured ORP can be modified between 300mV.
Temp. Modification: You can correct the temperature of the automatic
temperature compensation, the correction range is ± 20.0 ℃.
5.4 Remote transmission setting
RS485 setting: settings of 485 communication address and baud rate.

Chapter 5 Setting
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Current transmission: settings of 4mA corresponding value and 20mA
corresponding value of 4-20mA output.
5.5 Alarm setting
pH High Alarm: when the measured value is greater than the high reported
pull value, the high reported relay pull, when the measured value is less
than the high reported off value, the high news relay disconnect.
pH Low Alarm: when the measured value is less than the low pull-in value,
the lower newspaper relay pull, when the measured value is greater than
the low reported off value, the low alarm relay off.
ORP High Alarm: when the measured value is greater than the high
reported pull value, the high reported relay pull, when the measured value is
less than the high reported off value, the high reported relay disconnect.
ORP Low Alarm: When the measured value is less than the low pull-in value,
the low relay relays, when the measured value is greater than the low
reported off value, the low alarm relay off.

Chapter 6 Communication
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5.6 Information inquiry
Information inquiry: inquire the current hard software version, high traceability.
Chapter 6 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.
MODBUS standard format (No.03 register reading and holding command)
Command format:
Definition
Address
Function
code
Register
address
Number
of data
CRC check
Data
ADDR
0x03
M
N
CRC 16
Number of bytes
1
1
2
2
2
Return format:
Definition
Address
Function
code
Data size
Data
CRC check
Data
ADDR
0x 03
2*N
Data
CRC 16
Number of bytes
1
1
1
2*N
2