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WIKA CF1M User Manual

Page 3

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Operating Instructions Temperature Indicating Controller CF1M

V1.

1

03/200

5

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2. Name and functions of the section

(1) (2) (3) (4)

key

: Increases the

(5)

numeric value.

key

: Decreases the

(6)

numeric value.

MODE key

: Selects the

(7)

setting mode.

OUT

/

OFF

key

: Turns the control

output ON or OFF.

1

2

3

4

(1) PV indicator

: The red LED lights up while Process variable is being indicated on the PV/SV display.

(2) SV indicator

: The red LED lights up while Setting value is being indicated on the PV/SV display.

It blinks while being controlled with the main setting 2.

(3) PV/SV display : Indicates the process variable, setting value and characters with red LED.
(4) Decimal point : The red LED lights up when decimal point is applied to the setting value.

indicator

It blinks when Manipulating value (MV) is being displayed.

(5) Control output : The green LED lights up when the control output is ON.

indicator

(6) Event output : The red LED lights up when the Temperature alarm, Loop break alarm or

indicator

Heater burnout alarm is ON.

(7) Auto-tuning

: The red LED blinks while the Auto-tuning or Auto-reset is being performed.

action indicator

3. Operation

PV/SV display indicates the characters of the sensor type and temperature unit for approx.
2 seconds after the power is turned on. During this time, all outputs and the LED indicators are
in their off status. (Refer to table 3.1-1 and 3.1-2.)
After that, actual temperature or the main setting value is indicated, and control starts.
(If PV display is selected in PV/SV display selection, the actual temperature will be indicated.
If SV display is selected, the main setting value will be indicated.)

[Table 3.1-1]

PV/SV display

Input

°C

°F

K

J

PL-
N

E

Pt100 (With decimal point)
JPt100 (With decimal point)
Pt100

JPt100