WIKA CF1H User Manual
Page 8

Operating Instructions Temperature Indicating Controller CF1H
V 1.2
•
01/2007
- 8 -
(10) Serial communication output indicator (TX/RX) [Option]
The green LED is lit when transmitting serial communication TX.
(11) Alarm 1 (A1) output action or Pattern end 1 output indicator (A1)
The red LED is lit when the Alarm 1 (A1) output or Pattern end (A1) output is on.
(12) Alarm 2 (A2) output action or Pattern end 2 output indicator (A2) [Option]
The red LED is lit when the Alarm 2 (A2) output or Pattern end 2 output is on.
(13) Heater burnout alarm output action indicator (HB) [Option]
The red LED is lit when the Heater burnout alarm output is on.
(14) Sensor burnout indicator (SB)
The red LED is lit when the Sensor is burnt out.
(15) Remote indicator (REM) [Option]
The red LED is lit during Remote action.
(16) Loop break alarm output action indicator (LA) [Option]
The red LED is lit when the Loop break alarm output is on.
(17) Auto-tuning action indicator (AT)
The yellow LED blinks during auto-tuning.
2.2 Keys
Main functions are described below, however, the keys have other functions in various
modes. Refer to Section 4.1 Operating flow chart (Page 15ff).
key
: Increases the numeric value on the SV display during
setting mode.
key
: Decreases the numeric value on the SV display during
setting
mode.
MODE key
: Selects the setting mode.
OUT
/
OFF
key
: Performs the control output ON or OFF.
AUTO
/
MAN
key
: Switches the control between Automatic and Manual.
FAST key
: Makes the numerical value change faster by pressing the
FAST key and the
(or ) key simultaneously.
In any mode, if the
OUT
/
OFF
key is pressed for approx. 1 second, the Control output OFF
function will work.
When the function is working, the function cannot be released. Even if the insrument
power is turned off and on again, and the function is not released.
To release the function, press the
OUT
/
OFF
key for 1 second.
The setting value is registered by pressing the MODE key.
In any setting item, if the MODE key is pressed for approx. 3 seconds, the mode returns to
the PV/SV display.