SUPMEA U-SUP-DM3000 User manual

User's Manual
U-SUP-DM3000/DM2800-EN1
Dissolved oxygen 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
[email protected]

I
Preface
Thank you for purchasing Dissolved oxygen 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-SUP-DM3000/DM2800-EN1

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
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

IV
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.
No.
Name
Quantity
Note
1
Dissolved oxygen controller
1
2
Manual
1
3
Certificate
1
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.

VI
Content
Chapter 1 Introduction........................................................................................................... 1
1.1 Characteristics...........................................................................................................1
1.2 Parameter.................................................................................................................. 2
Chapter 2 Installation.............................................................................................................3
2.1. Instrument installation.............................................................................................3
2.2. Installation.................................................................................................................4
2.3. Electrode installation............................................................................................... 5
2.4. Wiring.........................................................................................................................6
Chapter 3 Navigation keys....................................................................................................9
3.1. Button display...........................................................................................................9
3.2. Definition of buttons................................................................................................ 9
Chapter 4 System menu & operating................................................................................10
4.1. DO Monitoring interface....................................................................................... 10
4.2. Password verification interface............................................................................11
4.3. Main menu.............................................................................................................. 12
Chapter 5 Configuration...................................................................................................... 13
5.1. System Setting.......................................................................................................13
5.2. Signal setting..........................................................................................................13
5.3. Online calibration...................................................................................................15
5.4. Remote transmission setting............................................................................... 15
5.5. Alarm setting...........................................................................................................16
5.6. Version query......................................................................................................... 17
Chapter 6 Communication.................................................................................................. 18
Chapter 7 Troubleshooting................................................................................................. 20
Chapter 8 Warranty & After-sales Service....................................................................... 21

Chapter 1 Introduction
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1
Chapter 1 Introduction
Dissolved oxygen online controller, is widely applied for continuous monitoring and
measurement of dissolved oxygen, saturation, oxygen partial pressure and
temperature in the solution in the industry of thermal power, chemical fertilizer,
environmental protection, metallurgy, pharmacy, biochemistry, food and water, etc.
Continuous monitoring measurement data is connected with the recorder via
transmitting output to realize remote monitoring and recording. It can also be
connected with RS485 portal via MODBUS-RTU protocol to access computer for
monitoring and recording.
1.1 Characteristics
Module design of the circuits.
Isolating transmitting output.
Isolating RS485 communication.
DO, saturation and temperature measurement.
Air calibration.
Manual and auto temperature compensation.
High/low alarm.
LCD backlight switch.

Chapter 1 Introduction
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1.2 Parameter
Model
DM3000
DM2800
Display
2.8-inch monochrome LCD screen, resolution 128*64
Dimension
Overall dimension: 100mm * 100mm * 150mm
Cutout dimension: 92.5mm*92.5mm
Thickness of the
installation panel
1.5mm～13mm
Weight
0.65kg
Measuring
valuables
DO、Saturation
DO, Saturation, Oxygen partial
pressure
Measuring range
DO:(0～40)mg/L
Saturation: 0～
130%
DO:(0 ~ 20)mg/L
Saturation: 0~200%
Oxygen partial pressure:
(0 ~ 400)hPa
Temperature:(- 10 ~ 60) ℃
Accuracy
±0.5mg/L
DO/saturation/oxygen partial
pressure: ±1.5%F.S
Temperature
accuracy
±0.5℃
NTC10K: plus or minus 0.5 ℃
PT1000: plus or minus 0.5 ℃
Output
(4~20)mA output,
maximum loop is 750Ω,±0.2%FS
Communication
protocol
Isolated, MODBUS-RTU RS485
Alarm relay
Pickup/Breakaway AC250V/3A
Relative humidity
10%RH～85%RH（No condensation）
Operating
temperature
0℃～60℃
Power supply
AC220V±10%, 5W Max, 50Hz
Storage conditions
Temperature: -15℃~65℃
Relative humidity: 5%~95%RH (No
condensation) Altitude:<2000m
Temperature
compensation
NO temp.
compensation in
controller.but
sensors comes with
temp. compensation
NTC10K/PT1000
Automatic /Manual
temperature compensation
Ingress protection
IP54

Chapter 2 Installation
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Chapter 2 Installation
2.1. Instrument installation
The installation site and method of the instrument are explained, the part shall be
carefully read during the installation.
Notes for installation
The instrument is panel mounted.
It shall be installed inside the building so as to avoid wind and rain as well
as direct sunlight.
Please install it at the place with good ventilation in order to prevent the
internal temperature of the instrument from rising.
Don’t lean to left or right when the instrument is installed, horizontal
installation shall be realized as possible (tilting back<30°).
The following places shall be avoided during the installation
The place where the environment temperature exceeds 60℃during the
work.
The place where the environment humidity exceeds 85% during the work.
The vicinity of the electromagnetic occurring sources.
The sites with strong mechanical vibration.
The site where the temperature is changed a lot and the moisture
condensation is easily formed.
Places with lots of lampblack, steam, moisture, dust and corrosive gas.

Chapter 2 Installation
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2.2. Installation
92.5mm*92.5mm (H*W) installation hole is opened at the instrument cabinet or
installation panel (the dimension is 100*100*150mm (H*W*D)).
The instrument into the mounting hole and then buckle on the snap, as shown
below

Chapter 2 Installation
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2.3. Electrode installation
The installation steps for the sensor as follow:
1. Use 1 (M8U buckle) to fixing 8 (installation panel) on the railing by pool near
the installation point of the sensor；
2. Use glue to connect 9 (connector) and 2 (DN40) PVC pipe, and let sensor
cable run through PVC pipe, connect the sensor and make sure that water
proof has been done correctly.
3. Using 4 (DN42 U shape clip) to fixing 2 (DN40 pipe) on 8 (installation panel),
as picture show below.
1- M8 U clamp（DN60）
2- DN40 UPVC pipe
3- M6*120 Bolt
4- DN42 U clamp
5- M8 washeer（8*16*1)
6- M8 washer（8*24*2)
7- M8 spring washer
8- installation panel
9- Threaded Adapter

Chapter 2 Installation
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2.4. Wiring
DM3000
Identification of terminal
+12VDC: Dissolved oxygen sensor +
AGND: Dissolved oxygen sensor -
RS485-A: Dissolved oxygen sensor communication +
RS485-B: Dissolved oxygen sensor communication -
NC: Null
NC: Null
485A+: RS485 communication interface A+
485B-: RS485 communication interface B -
I+: 4~20mA output +
I -: 4~20mA output -
HO: High alarm normally open
HC: Low alarm normally closed
COM: Common terminal
LO: Low alarm normally open
LC: Low alarm normally closed
COM: Common terminal
220V L: AC220V live wire
NC: Null
220V N: AC220V neutral wire

Chapter 2 Installation
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DM2800
Identification of terminal
DO+: Dissolved oxygen electrode anode
DGND: Dissolved oxygen electrode shield wire
DO-: Dissolved oxygen electrode cathode
A: Temperature compensation terminal A, NTC10K A or PT1000 A
B: temperature compensation terminal B, NTC10K B or PT1000 B
C: Temperature compensation terminal C, short-circuit terminal, PT1000
three-wire system, short-circuit of PT1000 two-wire system to B, NTC10K
does not need to be connected to C
485A+: RS485 communication output terminal A+
485B-: RS485 communication output terminal B-
I+: (4～20)mA output terminal+
I-: (4～20)mA output terminal-
HO: High alarm normally open relay
HC: High alarm normally closed relay
COM: Common terminal
LO: Low alarm normally open relay
LC: Low alarm normally closed relay
COM: Common terminal
220V N: AC 220V neutral line
NC: Null

Chapter 2 Installation
8
220V L: AC 220V live wire
Attention
Confirm that the instrument is not power on before connected with signal
wire, to avoid electric shock.
Use double insulation wire to prevent fire accident.
Do not put electric product close to signal terminal, which may cause failure.

Chapter 3 Navigation keys
9
Chapter 3 Navigation keys
3.1. Button display
3.2. Definition of buttons
Sign
Button name
Key function
EXIT
Under "Monitoring interface" - Alarm view
Under "Menu interface" - Return to the previous interface
RIGHT
Make a recurrent selection of digit of parameters modify
the original indication value
MENU
Under “Monitoring interface” - Enter the MENU
Under “Menu interface” - Exit the MENU
DOWN
Under “menu interface” - Select the related menu
Modify the values in the configuration state
ENTER
Under “Menu interface” - Enter the sub-menu or confirm
modification

Chapter 4 System menu & operating
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Chapter 4 System menu & operating
The instrument is equipped with monochrome lattice LCD, 128*64 resolution.
The instrument is equipped with monochrome lattice LCD, 128*64
resolution.
Push to enter password verification interface; input password to
enter the home interface.
Push to enter alarm inquiry interface, to inquire the current alarm
configuration information.
4.1. DO Monitoring interface
DM3000
DM2800
DO monitoring interface

Chapter 4 System menu & operating
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Saturation monitoring interface
Oxygen partial pressure monitoring interface
Use to enter the password verification interface, enter the password to
enter the main menu interface.
Use the key to enter the alarm query interface and query the current
alarm setting information.
4.2. Password verification interface
-------------------- User Password --------------------
Password: 0000
Input password and push to enter home interface.
Initial password is 0000, which can be modified via password modification
function. Please contact us if you forget your password.

Chapter 4 System menu & operating
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4.3. Main menu
-------------------- Main Menu --------------------
1. System Setting
2. Signal Setting
3. Online Calibration
4. Remote Setting
5. Alarm Setting
6. Version Query
System Setting: settings of language, buzzer and backlight, modification of
password and factory settings
Signal Setting: switch of unit and temperature compensation, and settings
of salinity and air pressure compensation.
Online Calibration: correction of temperature, calibration of zero point and
full scale of dissolve oxygen signal.
Remote Setting: settings of RS485 parameters and current transmission
output. Alarm Setting: settings of parameters of high and low alarm.
Version Query: current version number

Chapter 5 Configuration
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Chapter 5 Configuration
5.1. System Setting
-------------------- System Setting --------------------
1. Language
2. Buzzer
3. Backlight setting
4. Change password
5. Factory setting
Language: switch of language, Chinese and English.
Buzzer: setting of switch of buzzer during alarm.
Backlight Setting: setting of LCD backlight.
Change Password: password modification and log-in with new password.
Factory Setting: back to factory settings
5.2. Signal setting
DM3000
-------------------- Signal Setting --------------------
1. Temp Correction
2. Temp Compensation
3. Air Pressure Setting
4. Salt Content Setting
5. Temp Unit
Temperature adjustment: available to adjust the measured temperature
value, adjustment range: -5.0～5.0℃。
Temperature compensation: available to choose manually temperature
compensation or automatically temperature compensation.