Eurotherm 3116 PID Podręcznik Użytkownika Pobierz pdf (Strona 3)

5. STEP 3: SWITCH ON

A brief start up sequence consists of a self test in which all bars of the display are illuminated and the software version is shown. What happens next depends on whether the instrument is new or has been switched on before.

For a new controller go to section 5.1. for an instrument already configured go to section 5.2.

5.1. New Controller (Unconfigured)

When the controller is switched on it will start up showing the ‘Quick Configuration’ codes. This enables you

to configure the controller to match the process.

The quick code consists of two ‘SETS’ of five characters. The upper section of the display shows the set

selected, the lower section shows the five digits which make up the set. Adjust these to suit your process as follows:-

1. Press any button

. The * characters will change to ‘-‘. The first one flashing. x indicates the option is not fitted

2. Press

or to change the character currently flashing to the code as shown in the tables below

3. Press

to scroll to the next character (press to return to the first character). When all five characters have been

configured in Set 1 the display will go to Set 2.

4. When the last digit has been selected press again, the display will show EXIT. Press or to YES. The

controller will re-start. Now go to section 5.2

SET 1

In put Sensor type Range I/O Module 1 Output Module 2 Output Relay AA

Thermocouple

B = Type B

J = Type J

K = Type K

L = Type L

N = Type N

R = Type R

S = Type S

T = Type T

C = Custom

RTD

P = Pt100 PRT

Linear

M = 0-80mV

2 = 0-20mA

4 = 4-20mA

C =

C Full Range

F =

F Full Range

0 = 0-100

1 = 0-200

2 = 0-400

3 = 0-600

4 = 0-800

5 = 0-1000

6 = 0-1200

7 = 0-1400

8 = 0-1600

9 = 0-1800

G = 32-212

H= 32-392

J= 32-752

K = 32-1112

L = 32-1472

M = 32-1832

N = 32-2192

P = 32-2552

R = 32-2912

T = 32-3272

Control

H = PID heat

C = PID cool

J = On/off heat

K = On/off cool

Alarm 1 (energised

in alarm)

0 = High

1 = Low

2 = Deviation high

3 = Deviation low

4 = Deviation band

Alarm 1 (de-

energised in alarm)

5 = High

6 = Low

7 = Deviation high

8 = Deviation low

9 = Deviation band

Logic Input

W = Alarm ack

M = Manual

R = Run/hold

L = Key lock

P = Setpoint 2

T = Reset

Control

H = PID heat

C = PID cool

J = On/off heat

K = On/off cool

Alarm 2 (energised

in alarm)

0 = High

1 = Low

2 = Deviation high

3 = Deviation low

4 = Deviation band

Alarm 2 (de-

energised in alarm)

5 = High

6 = Low

7 = Deviation high

8 = Deviation low

9 = Deviation band

Control

H = PID heat

C = PID cool

J = On/off heat

K = On/off cool

Alarm 3 (energised

in alarm)

0 = High

1 = Low

2 = Deviation high

3 = Deviation low

4 = Deviation band

Alarm 3 (de-

energised in alarm)

5 = High

6 = Low

7 = Deviation high

8 = Deviation low

9 = Deviation band

SET 2

Input CT Scaling Digital Input Lower Display

1 = 10 Amps

2 =

25 Amps

5 = 50 Amps

6 = 100 Amps

W = Alarm Ack

M = Manual

R = Run/hold

L = Keylock

P = Setpoint 2

T = Reset

T = Setpoint

P = Output power %

R = Time to run

E = Elapsed time

1 = Alarm 1 setpoint

A = Amps

N = None

In any column, - = Unconfigured: X = Not fitted

5.1.1. To Re-enter Quick configuration Mode

This mode can always be entered by holding down the button during power up and then entering a passcode. This is

defaulted to 4.

Note:- If during normal operation a change is made to any of the parameters in the quick code list, then the quick code

displayed during power up will show the characters separated by decimal points. The controller can be left to operate in this

way.

5.2. Normal Operation

The controller will start up in operator level 1 and in the mode in which was last switched off. AUTO is the normal closed loop

temperature control mode which means that the output power is adjusted automatically by the controller in response to the

measurement from the input sensor. In this mode you will see the display shown below. It is called the HOME display.

When this view is first entered (or is pressed) the lower display scrolls a ‘help’ message which gives the name of the

parameter being displayed, e.g. ‘working setpoint’

In level 1 you can acknowledge alarms, adjust temperature setpoint, select auto or manual operation as described below:-

5.2.1. To Acknowledge an Alarm. Press and together

If an alarm is still current the red ALM beacon will flash, a scrolling message will give the source of the alarm and any relay

attached to the alarm will operate. When acknowledged, these functions will change as described in section 6.2.

5.2.2. To Set The Required Temperature. Press to raise the setpoint, or to lower the setpoint –

when the HOME display is being shown. The new setpoint is entered when the button is released and is indicated by a brief

flash of the display.

5.2.3. Manual operation

The controller can be set so that the output power can be adjusted directly by the operator. This may be useful during

commissioning or if the sensor becomes faulty and it is required to continue temporary operation of the plant until the sensor

is repaired or replaced.

Manual operation must be used with care and the power level set must be chosen such that no damage can

occur to the process. The use of a separate ‘over-temperature’ controller is recommended.

5.2.4. To Select Manual Operation and Adjust the Output Power

1. Press and hold and together. ‘Auto’ is shown in the upper display. The lower display will

scroll the longer alternate description of this parameter, ie ‘loop m ode – auto m anual off’

2. Press to select ‘mAn’. This is shown in the upper display and the MAN beacon is lit.

3. The controller will return to the HOME display. The upper display is the PV. The lower display is the

demand power.

4. Press

or to raise or lower the power. The output power is continuously updated when the

buttons are pressed

5. To Return to Automatic operation, press and hold

and together. Then press to

select ‘Auto

OP1 lit when output 1 is ON (normally heating).

OP2 lit when output 2 is ON (normally cooling ).

OP4 lit when AA output is ON

SPX Alternative setpoint in use SP2

RUN Timer running

MAN Manual

ALM Alarm active (Red)

ctual Temperature

(or Process Value ‘PV’)

Required Temperature

(or Setpoint ‘SP’)

Scroll button

Page button

Lower button

Raise button

XXT

CHC0

1 2 3 4 5 6

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