MRC LOM-300 Manual de usuario

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3, Hagavish st. , Holon,Israel 58817 Tel: 972 3 5595252, Fax: 972 3 5594529 [email protected]

Page 3 of 6 pages

Operation manual for

LOM-300

3, Hagavish st. , Holon,Israel 58817 Tel: 972 3 5595252, Fax: 972 3 5594529 [email protected]

Page 3 of 6 pages

CONTROLS AND COMPONENTS

OVERVIEW

Temperature controller

Speed controller

Lamp Shaker Cooling Main power

Switch Switch Switch Switch

Remark:

Please turn on the cooling system below 30ºC degrees

3, Hagavish st. , Holon,Israel 58817 Tel: 972 3 5595252, Fax: 972 3 5594529 [email protected]

Page 3 of 6 pages

Main Temperature Controller

This control is marked TEMP. CONTROL and consists of the digital display and UP and DOWN arrow pads for inputting set

point temperatures and calibration.

Number

Key

Description / Function

①

PV

To display process value, menu symbol and error code.

②

SV

To display set point value, parameter value or control output value.

③

For setting and calling up parameters.

④

To increase the value of digits.

⑤

To decrease the value of digits.

⑥

R

Revert /STOP/Restart Timer (For machine with timer use only)

⑦

C

Process Unit Indicator- Celsius

⑧

ALM

Indicator

Over-Heat Temperature.

Lights on when the set temperature is over 5

℃, and turns off the

heater.

⑨

Output

Indicator

Control output lamp 1.

Light on when heater is activated

⑩

MAN

Lamp flashes during Manual Mode operates

○

11

COMM

Communication indicator

○

12

TUNE

Lamp flashes during auto-tuning operates

○

13

Lock indicator

○

14

MV&TIME

MV&TIME Indicator

3, Hagavish st. , Holon,Israel 58817 Tel: 972 3 5595252, Fax: 972 3 5594529 [email protected]

Page 6 of 6 pages

Calibrating the Main Temperature Control (OFFSET)

1. Press several times scroll to the parameter PASS. Set the PASS value to1000

2. Press and hold the key until the setup Menu page is obtained. Then, press

key to scroll to the parameter.

3. Press key several times to scroll to the parameter OFTL to calibration low

value. Send your low signal to the sensor input of the controller, then press and

release the key. If the process value (the upper display) is different from the

input signal, the user can use and to

change the OFTL value (the lower

display) until the process value is equal to the value the user needs. Press and hold

the key for 5 seconds to complete the low point calibration. A similar procedure

is applied for high scale calibration.

The two points OFTL and OFTH construct a straight line. For the purpose of

accuracy, it is best to change the value same on the two points as possible.

3, Hagavish st. , Holon,Israel 58817 Tel: 972 3 5595252, Fax: 972 3 5594529 [email protected]

Page 6 of 6 pages

PID Auto tuning (AT)

The P, I and D terms need to be "tuned" to suit the dynamics of the process being controlled.

Temperature control using digital PID controllers have automatic auto-tune functions. During the

auto-tune period the PID controller controls the power to the process and measures the rate of

change, overshoot and response time of the plant. This is often based on the Zeigler-Nichols

method of calculating controller term values. Once the auto-tune period is completed the P, I &D

values are stored and used by the PID controller.

We recommend doing this AUTO TUNE if there is a temperature overshooting above your set

point

1. Press several times scroll to the parameter PASS. Set the PASS value to1000

2. Press and hold until appears on the display then release.

3. Press and hold at least 5 seconds. The TUNE indicator will begin to flash and the auto-

tuning procedure is beginning.

After the Auto-Tuning process is completed, the TUNE indicator will stop flashing and the unit will

revert to PID control by using its new PID values. The PID values obtained are stored in

nonvolatile memory.

3, Hagavish st. , Holon,Israel 58817 Tel: 972 3 5595252, Fax: 972 3 5594529 [email protected]

Page 6 of 6 pages

Speed and Time control panel

Key Description / Function

Start/Stop Indicator lamp. Lamp lights up when platform starts to turn and flashes

when it stops turning.

START

STOP Start and Stop

Right arrow key

Used to shift to another position be it a digit or parameter during programming.

Up arrow key

Used to increase the value of a digit

Down arrow key

Used to decrease the value of a digit

SET Used to lock in the set time and speed

ENTER Used to proceed to the next step in programming

MODE Shows the segment of the program (1-9 segments)

SPEED Shows the speed of rotation.

The lamp lights up and thearrow above it shows the direction of rotation

HOUR/MIN Shows the hours and minutes desired to be set and during a run, the time

remaining.

C The set value of C shows the desired number ofprogrammed segments to be run

sequentially or continuously.

3, Hagavish st. , Holon,Israel 58817 Tel: 972 3 5595252, Fax: 972 3 5594529 [email protected]

Page 6 of 6 pages

Circuit diagram