Omega CN154, CN155, CN158, CN159 - 5-, 4. Screen instruction

- 5-4. Screen instruction

4-1. Power on and initial screen display

After turning on power, the display shows each power on initial

screen for approx. 1.5 seconds, then moves into the basic screen

of the mode 0 screen group.

4-2.Alarm type code table

4-3.Screen change

(1) Screen change from mode 0 group to mode 1 group

•Pressing the key for three seconds on the basic screen

of the mode 0 screen group changes it to the direct call

screen of the mode 1 screen group and vice versa.

(2) Screen change from mode 0 group to mode 2 screen group

•Pressing the key for five seconds on the basic screen

of the mode 0 screen group changes it to the function

selecting screen of the mode 2 screen group and vice versa.

Measured value (PV)

Set value (SV)

Turning

on power

Series type ( )

Input type ( : Thermocouple, : R. T. D.,

Control output type : Contact : SSR drive voltage

: Current : Voltage

Lower limit of the selected measuring range

Higher limit of the selected measuring range

Power on initial screen

: Voltage (mV), : Voltage (V), : Current (mA))

Displays output screen

Mode 0 screen group basic screen

(3) Screen change within mode 0 screen group

•By pressing the key, the screen changes.

(4) Screen change within mode 1 screen group

•Two methods are used for screen change within mode 1

screen group. One is to press the key as shown on

above mode 0 screen group. The other is to mode the

screen directly by indicating screen No. on the top direct

call screen.

Example: Direct calling the screen No.8 PV bias value set

screen

(5) Selecting and setting digit to change of function selecting

screen of mode 2 screen group

•When the function selecting screen is displayed, the point

of selectable digit flashes.

•By pressing key, the selectable digit (digit whose

point is flashing) moves.

•In case of changing the set value, flash the point to be

changed with key, select data with the keys and

press key again to register the set value and move

selectable digit.

Example: changing the control output characteristics from

(heating) to (cooling)

*“.” on the screen shows the selectable digit (digit whose

point is flashing).

(6) Shifting setting items on input scaling screen of mode 2

screen group and setting method

•Pressing the key on the function selecting screen calls

the input scaling screen onto the display. The decimal

point in the rightmost position on the top row flashes.

Press the or key to change the lower limit value

and press the key to register the data.

•Upon registering the lower limit value data, the decimal

point in the rightmost digit in the bottom row begins to

flash. Change the higher limit value by pressing the

or key and register it by means of the key.

•Upon registering the higher limit value data, the decimal

points in the rightmost digits of the bottom and top rows

flash. Change the positions of the decimal points by

pressing the or key and register it by means of the

key.

•Each time the key is pressed, the flashing decimal

point in the rightmost digit moves from the top row→

bottom row→top and bottom rows→top row→.

•In case the lower limit value and the higher limit value are

set to produce a difference which is less than 100 counts or

more than 5000 counts, the higher limit value is forced to

change to +100 or +5000 counts. The higher limit cannot

be set to be less than a lower limit value +100 counts or

more than a lower limit value +5000 counts.

Alarm code

0 ( )

1 ( )

2 ( )

3 ( )

4 ( )

5 ( )

6 ( )

7 ( )

8 ( )

assignment

Not assigned

Higher limit

deviation value

Higher limit

absolute value

Not assigned

Lower limit

deviation value

Lower limit

absolute value

Lower limit

deviation value

Lower limit

absolute value

Higher limit

deviation value

Higher limit

absolute value

Higher limit

deviation value

Higher limit

absolute value

Higher limit

deviation value

Higher limit

absolute value

With/Without

inhibit action

Without

inhibit action

Without

inhibit action

With

inhibit action

With

inhibit action

Without

inhibit action

Without

inhibit action

With

inhibit action

With

inhibit action

Without

inhibit action

Without

inhibit action

With

inhibit action

With

inhibit action

– – – – –

With/Without

inhibit action

– – – – –

AL/HB

assignment

Heater break

Note: In the above table, the alarm codes 5 through 8 are

selectable when the apparatus has the optional function

of heater break alarm.

0-0 Basic Screen 1-0 direct call screen

key

3 seconds

ENT

0-0 Basic Screen 2-0 Function selecting screen

key

5 seconds

ENT

key

key ENT

1-0 direct call screen 1-0 direct call screen 1-8 PV bias value set screen

several times point flashes

ENT

key

ENT key

ENT

key

Note: In case of changing data and pressing key longer

than 5 seconds, the screen moves to mode 0 basic screen

without a data registration. It requires a data verification

with key and screen change.

ENT