Samsan Korea CRN-96DO User manual

INSTRUCTION MANUAL

FOR

Dissolved Oxygen Controller

Model : CRN-96DO

S A M S A N K O R E A , L T D .

TEL: +81-(0)31-334-7723 FAX: +81-(0)31-334-7746

h t t p : / / w w w . s a m s a n k o e a . c o m

- 1 -

DIGITAL T PE DO Controller

Thank you very much for your purchasing of

Advanced SAMSAN CROWN CONTROLLER with microprocessor.

This controller has been checked and tested thoroughly to meet prescribed

specifications and certain safety standards by our inspector before ex-factory,

however, surely check the state of controller outside and accessaries when delivered.

Also Read all instruction manuals and understand basic functions & full operating

methods for complete use.

1. FEATURES

Advanced SAMSAN CROWN CONTROLLER with microprocessor

Condensed in a compact DIN size (96×96m/m), versatile functions provide more

simplicity in operation and more efficiency in performance, in addition to accurate

monitoring results.

With the appropriate sensors and accessaries, SAMSAN CROWN CONTROLLER can

serve as the most suitable and effective cost monitoring system to meet process,

waste water and control applications.

- 2 -

1-1

With microprocessored controller's various functions and design of one touch

button, you can

get more effective, reliable data and very simple setting.

1-2 Designed for using out-put of signal and alarm

(DC 4～20㎃ or 1～5V and others)

1-3 With 3 Digit Digital Display, Reading & setting are very simple by appearance of

each message.

1-4 Isolator is equipped for transmission of stable data with isolated DC 4～20㎃ or

1～5V output and you can connect with personal computer and data logger

directly.

1-5 Designed to set high and low alarm for controlling of water quality in process,

waste water and your applications.

1-6 Equipped with Automatic Temperature Compensation for more accurate

monitoring results and appearance.

1-7 DIN (96×96m/m) size for simple installation and maintenance.

1-8 Equipped with power switch for protection of controller by ON/OFF of power

supply while setting or A/S.

1-9 Equipped with EEPROM, SAMSAN CROWN CONTROLLER can hold all set

values of preset parameters while power is OFF and when power become ON,

they can continue to measure and monitor with all values set before.

2. SPECIFICATIONS

2-1 DO CONTROLLER

Model

CRN-96DO

Range

0.0 ～ 2..0 ppm

( OPTION: 0.0 ～ 20.0 ppm )

SA(Sensitivity Adjustment)

0.1 ～ 1.0 ppm ( ± 0.5 ppm )

Shift

± 2.0 ppm

Accuracy

± 2% Full Scale

Ambient Temperature

－5

℃

～ 45

℃

Output

DC 4～20mA ( Option: Isolation )

Alarm

High, Low Relay ( 1a1b )

Panel Cut

92 (W) × 92 (H) mm

Power Source

AC 100/220V ±10%, 50/60㎐

- 3 -

2-2 Cable : This cable is special for DO controller and used to connect between

the controller and connector box.

(1) Model : SC-20

(2) Size : 6

(3) Length : 10m ( standard ), Max. extension : 20m ( option )

2-3 Connector box

(1) Model : SCB-20

(2) In case of over than 10m between controller and electrode holder, install

with connector box near electrode holder and connect with SAMSAN

special cable surely in connection between connector box and controller.

2-4 DO Electrode ( DO Chip )

(1) Model : 5401

(2) Liquid Temp. : -5 ～ 45

℃

(3) Type : Galvanic electrode

(4) KCL non-filling type

2-5 DO Probe

(1) Model : SP-10 ( Submersible type )

(2) Mat'l : PP

(3) Temp. of sampling liquid : -5 ～ 45

℃

(4) Holder length : 1 M ( Standard ), 1.5M, 2M, 2.5M, 3M ( Option )

※

Flow-throw type available

2-6 Bracket

(1) Model : SB-10

2-7 Standard solution (option) : DO standard powder 0.0ppm ( Na2SO3)

( Use Na2SO3diluted with 1g in distilled

water 50cc )

- 4 -

3. NAME OF PARTS

3-1 Display : d

isplay of measured value, set-value, parameter's set contents

3-2 State lamps

(1) MEAS : when measuring, LED lamp on

(2) CAL : when calibration, CAL switch-on and lamp on,

HIGH/LOW Relay off

(3) DISPLA

LOW : when set-value(related with LOW) is appeared, lamp on

LOW set / SA / SHIFT

HIGH : when set-value(related with HIGH) is appeared, lamp on

HIGH set / SA / SHIFT

(4) ALARM

LOW : when LOW ALARM, lamp on

HIGH : when HIGH ALARM, lamp on

3-3 Function buttons

(1) MEAS : set MODE

→

measuring MODE

CAL on

→

CAL off

(2) MODE : using when reading and changing of set-value

(3) UP : using when changing of set-value in set-MODE

(4) SHIFT : using when changing of figure's place

(5) ENTER: using when finishing of setting

1. DISPLAY

2. STATE LAMPS

3. FUNCTIONS

4. CAL VOLUME

- 5 -

3-4 CAL volume

: used when calibration with buffer solution

(1) CAL : when CAL button on, LOW /HIGH Relay off and stop of

alarm & all kinds of controlling

(2) ZERO(VR) : using when calibration of 0.0ppm (ZERO)

(3) SPAN(VR) : using when calibration of 12.0ppm (SPAN)

4. OPERATION

4-1 Setting flow chart

4-2 Changing method

(1) used when increasing of twinkling figure

(2) used when moving of twinkling figure to right side

SHIFT

(3) used when saving of setting value

ENTER

After changing of set-value, if ENTER button is not pushed,

it will be returned to former set-value.

MEAS

(enter to state of measurement)

push MODE button

LOW set (LOW display lamp-on)

HIGH set (HIGH display lamp-on)

LOW SA (LOW display lamp-on)

LOW SHIFT (LOW display lamp-on)

HIGH SA (HIGH display lamp-on)

HIGH SHIFT (HIGH display lamp-on)

MODE

push MODE button over than 5 seconds

․output relay off in setting routine

․If any button is not operated for

30 seconds in setting routine,

it will be automatically changed to

measuring mode

- 6 -

5. S.A.(Sensitivity Adjustment) & SHIFT

5-1 S.A.(sensitivity adjustment)

: When ON and OFF with 1 point, out-put is chattered and easy to

receive influences of any noises, however, if you set the width of

S.A. as following diagram, stable control is possible.

Setting is possible from 0.1ppm to 4.0ppm (±2.0ppm) and it was set as

0.1ppm when ex-factory.

Set example) LOW set : occasion of lower limit 5.0ppm

S.A : 0.2ppm

SHIFT : 0.0ppm

Set example) HIGH set : occasion of upper limit 8.0ppm

S.A : 0.4ppm

SHIFT : 0.0ppm

S.A 0.2 ppm

▲

4.9ppm

5.1ppm

OFF

5.0ppm

setting value

8.0ppm

setting value

▲

8.2ppm

OFF

▲

7.8ppm

S.A 0.4 ppm

- 7 -

5-2 SHIFT

: A constant error is occured against target value when ON and OFF.

This error is called as off-set and this off-set can be controlled to

target value without any errors, if you use this SHIFT function in

SAMSAN CROWN controllers.

Setting is possible from 0.0ppm to 2.0ppm and it was set as 0.0ppm

when ex-factory.

Set example) LOW set : 5.0ppm

S.A : 0.2ppm

SHIFT : -0.1ppm

Set example) HIGH set : 8.0ppm

S.A : 0.4ppm

SHIFT : +0.2ppm

▲

8.4ppm

OFF

S.A 0.4 ppm

8.0ppm

sett ng value

S.A 0.2 ppm

▲

4.8ppm

OFF

5.0ppm

sett ng value

- 8 -

6. INSTALLATION & WIRING

6-1 Installation environment

: Install at good conditioned place as follows

(1) Airy place ( ambient temperature : -5

℃

～40

℃

)

(2) Adequate protection should be provided to keep the controller from

being exposed to direct sunlight or rain

(3) Moistureless place that ambient humidity is less than 85%

(4) A place without the mechanical vibration

(5) A place with sufficient space for easy maintenance and wiring

(6) A place without dust, corrosive gas and any influences of electronic

power

6-2 Installation method

(1) Panel mounting type

※

Refer to out-drawing for panel cutting

(2) Insert 2 eas of mount bracket in the upper and lower holes and

fasten the bolts with +

○

driver.

6-3 Connection of sensor cable

Cable connector should be kept in dry and clean to get a stable value.

(1) Standard cable length is 10m.

In case of extension over than 10m, use the connector box and

exclusive cable for DO supplied by SAMSAN CROWN.

(2) Install at the place without any influences due to motors of machinery.

(3)

Lead cable of sensor should be fully left for calibration of standard

solution

and

checking of sensor.

(4) Contact to our technical sales dept. in case of using Temperature

Compensation electrode.

6.8 k

Ω

at 25

℃

or 500

Ω

at 25

℃

A : Anode

K : Cathode

T. T : Temp. compensation electrode terminal

E : Shield cable

※

Refer to following drawing for wiring to terminal.

6-4 Connection of output cable

(1) Output signal of DC 4～ 20mA against measuring range come out.

※

Max. load resistance : 500

Ω

0.00 ppm

→

4 mA

3.75 ppm

→

8 mA

7.50 ppm

→

12 mA

11.25 ppm

→

16 mA

15.00 ppm

→

20 mA

- 9 -

(2) Output

6-5 Connection of power cable

: Connect with correct voltage

(1)

Power switch is attached to terminal board in the back of the controller

(2) Surely ground for your safety

7. CALIBRATION & OPERATION

Prior to operating, adjust controller & using sensor with standard solution .

Regular calibration is surely needed because character of sensor changes

when used for long time.

7-1 ZERO Calibration

(1) Remove DO chip from probe.

(2) Set indicating value on window as 0 ppm.

(3) Set DO chip in probe again.

7-2 SPAN Calibration ( atmosphere calibration )

: If indicating value is stabilized after openning the probe to the

atmosphere, set the indicating value as 12.0 ppm with span volume.

8. REPAIR

8-1 Controller should be calibrated once in a month.

8-2 Electrode should be cleaned once in a week ( once in a day in case

of using in vilulent waste water ).

8-3 If sensitivity & response of electrode is bad, clean DO chip with

gause wetted by alcohol as soft as possible.

Rec rder r P r

PID C ntr ller

C ntr ller

○

C ntr ller

○

Rec rder r P r

PID C ntr ller

Rec rder r P r

PID C ntr ller

※

Whole load resistance of all

output receiver is max. 500

Ω

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