WIKA CS4S - Manual (Page 20)

Operating Instructions Temperature Indicating Controller CS4S
V1.1
•
10/2006 - 20 -
Energized/Deenergized
When [alarm action energized] is selected, the alarm output (between terminals 3-4, or 3-5) is conducted
(ON) while the alarm output indicator is lit.
The alarm output is not conducted (OFF) while the alarm output indicator is not lit.
When [alarm action deenergized] is selected, the alarm output (between terminals 3-4, or 3-5) is not
conducted (OFF) while the alarm output indicator is lit.
The alarm output is conducted (ON) while the alarm output indicator is not lit.
High limit alarm (when Energized is set) High limit alarm (when Deenergized is set)
(Fig. 5.5-1) (Fig. 5.5-2)
5.6 Auto/Manual control function
Name, Functions
Auto/Manual control function
• If Auto/Manual control function is selected in the
OUT /
OFF key function selection, Automatic or Manual
control function can be switched by pressing the
MODE key in the PV/SV display mode.
If control action is switched from automatic to manual or vice versa, balanceless-bumpless function
works to prevent sudden change of manipulated variable.
When automatic control is switched to manual control, the 1st dot from the right on the SV display
blinks, and the output manipulated variable (MV) can be increased or decreased by pressing
or
key to perform the control.
By pressing the
MODE key again, the mode reverts to the PV/SV display mode (automatic control).
(Whenever the power to the controller is turned on, automatic control starts.)
5.7 Control output OFF function
Character Name, Functions
Control output OFF function
• A function to pause the control action or turn the control output of the unused instrument
of the plural units OFF even if the power to the instrument is supplied.
[
] is indicated on the PV display while the function is working.
• Once the control output OFF function is enabled, the function cannot be released even
if the power to the instrument is turned OFF and ON again.
To cancel the function, press the
MODE key again for approx. 1 second.
5.8 Output manipulated variable (MV) indication
Name and functions
Output manipulated variable indication
• In the PV/SV display mode, press the
MODE key for approx. 3 seconds.
Keep pressing the MODE key until the output manipulated variable shows up, though the main
setting mode appears temporarily during the process.
(The SV display indicates output manipulated variable and the decimal point blinks at a cycle of every
0.5 second). If the
MODE key is pressed again, the mode reverts to the PV/SV display.
OFF
ON
A1 hysteresis
SV setting + A1 set point
OFF
ON
SV setting + A1 set point
A1 hysteresis