Operation; Starting Operation; Control Output Off Function - Panasonic KT4H User Manual

7. Operation

7.1 Starting operation

After the unit is mounted to the control panel and wiring is completed, operate the unit following the procedures
below.
(1) Turn the power supply to the KT4H ON.
After the power is turned on, the PV display indicates the input type, and the SV display indicates the
input range high limit value (for thermocouple, RTD input) or scaling high limit value (for DC input) for
approximately 3 seconds. See (Table 7-1) below.
During this time, all outputs and the indicators are in OFF status.
Control will then start indicating the PV (process variable) on the PV display and SV (set value) on the SV
display.
While control output OFF function is working, PV display indicates
(Table 7-1)
Sensor input
K
J
R
S
B
E
T
N
PL-
C(W/Re5-26)
Pt100
JPt100
4 to 20mA DC
0 to 20mA DC
0 to 1V DC
0 to 5V DC
1 to 5V DC
0 to 10V DC
(2) Input each set value.
Input each set value. Refer to Chapter "6. Settings".
(3) Turn the load circuit power ON.
Control action starts so as to keep the control target at the SV (set value).
7.2 Control output OFF function (Control output OUT/OFF function)
This is 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.
To turn the control output OFF, press
[ ] 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
PV display SV display
Scaling high limit
key again for approx. 1 second.
PV display SV display
key for approximately 1 second in the PV/SV display mode.
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