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Communication Functions
7-12
Set the following to communicate with the host.
Display
Parameter
S S S S T T T T n n n n o o o o
"
"
ST No. setting
[ [ [ [ o o o o M M M M
"
"
Parity/baud rate setting
S S S S [ [ [ [ [ [ [ [
"
"
Setting communication
permissions
Setting communication functions
Display the communication menu ("
1
Display ST No. setting parameter ("
2
Parity/baud rate setting parameter ("
This sets the baud rate to 9600 bps and the parity to "even".
Display communication permissions ("
3
write permissions ("
r r r r w w w w
").
This sets the host to be allowed to read and overwrite the controller.
Press the
key to set the value.
4
Turn the controller off and on again.
5
The communication function settings will not be active until the power for the
Caution
controller is turned OFF/ON.
7-13
Re-transmission Output Function
The re-transmission output function delivers an analog output signal from the controller.
The following values can be output:
PV, SV, MV, DV (PV-SV)
Depending on the type of output, you can choose the voltage type or current type.
The re-transmission output also contains a scaling function.
The following example shows a re-transmission output of 100% when PV=960°C (80% FS)
and a re-transmission output of 0% when PV=240°C (0% FS) for a PV range of 0 to 1200°C.
re-transmission output
100°C
80% (AoH)
upper/lower limit
scaling range
20% (AoL)
Setting re-transmission output function
Display the setup menu ("
S S S S E E E E T T T T [ [ [ [ h h h h 6 6 6 6
1
Display the AO output function parameter ("
2
This selects PV as the re-transmission output.
Display AO lower limit scaling ("
3
example, set it to 20%).
Display AO upper limit scaling ("
4
example, set it to 80%).
Press the
key to set the value.
5
7-14
Remote SV Function
The remote SV function controls the analog input signal coming into the controller as SV .
The input terminal becomes RSV1 or RSV2.
The remote SV function contains a zero/span adjustment function, as well as an input filter
function.
The setup menu ("
S S S S E E E E T T T T [ [ [ [ h h h h 6 6 6 6
") must be set in the following manner before using the remote SV
function.
Display
Parameter
r r r r E E E E M M M M O O O O
"
" (rEMO)
RSV Zero adjustment
r r r r E E E E M M M M S S S S
"
" (rEMS)
RSV Span adjustment
r r r r E E E E M M M M r r r r
"
" (rEMr)
RSV input range
r r r r T T T T F F F F
"
" (rTF)
RSV input filter
PV
remote SV
(DC0 to 5/1 to 5V)
Function
Sets the station number.
Choose the configuration of parity and baud rate
Set whether or not the host has permission to
overwrite.
[ [ [ [ o o o o M M M M [ [ [ [ h h h h 9 9 9 9
").
S S S S t t t t n n n n o o o o
") and choose 1, and then display
C C C C o o o o M M M M
") and choose 9600 bps, even ("
S S S S [ [ [ [ [ [ [ [
") and choose to allow read and over-
calculation value
actual re-transmission
output
100%
0%
0%
").
A A A A o o o o t t t t
") and choose the PV.
A A A A o o o o L L L L
") and set the lower limit scaling (in this
A A A A o o o o H H H H
") and set the upper limit scaling (in this
Function
Adjusts the zero of the RSV input
Adjusts the span of the RSV input
Sets the range for RSV input
Sets the time constant for the RSV input filter
PID
local
control output
SV
calculation
Switch to remote SV parameter rEM
Switching to remote SV operation
Display the operation menu ("
1
Display the switching to remote SV parameter ("
2
("
r r r r E E E E M M M M
").
Press the
3
Soft start is not displayed during the remote SV operation.
•
Caution
•
Do not use remote SV and the SV selection function at the same time.
7-15
Heater Break Alarm Functions
9 9 9 9 6 6 6 6 e e e e v v v v
").
The heater wiring passes through the CT, allowing the current value to be monitored and
detect errors in the heater line.
Heater break are detected by drops in the heater current. Setting the detection values acti-
vates this function.
•
Related parameters: "
Refer to
For details on the heater break alarm, refer to the "Operation Manual".
7-16
Loop break Alarm
Detects when the control loop is open (break) without using the CT , but instead observing the
control output and PV.
Related parameters: "
•
Refer to
For details on the loop break alarm, refer to the "Operation Manual".
7-17
Load Short-circuit Alarm
The heater wiring passes through the CT, allowing the current value to be monitored and
detect errors in the heater line.
The load short-circuit is detected by drops in the heater current. Setting the detection values
activates this function.
Related parameters: "
•
Refer to
For more details on the load short-circuit alarm, refer to the "Operation Manual".
7-18
Other Functions
1. Soft start function
When turning on the equipment (including the temperature controller), the soft start function
suppresses the MV to become maximum output. It places an upper limit on MV output for a
specified amount of time after power is turned on.
This function is useful for effects such as suppressing the heater output during equipment star-
tup, and makes load lightened.
After the specified time has passed after switching on the equipment (or if SFTM = 0), the soft
start function ends and normal controls begin.
Display
S S S S F F F F o o o o 1 1 1 1
"
" (SFo1)
"
S S S S F F F F T T T T M M M M
" (SFTM)
The soft start function cannot be used simultaneously with the valve control
Caution
functions, and cannot be used simultaneously with the dual control.
Point
Use the following steps to set soft start output set value and set time.
Display the setup menu ("
1
Display soft start output 1 ("
2
Display soft start set time ("
3
Press the
4
Turn off the power once, and then re-start the controller to begin soft start.
5
(When the soft start function is turned on, the lower display will alternate show-
ing SoFT and SV.)
Note: Do not use auto-tuning at the same time.
– 15 –
o o o o P P P P E E E E [ [ [ [ h h h h 1 1 1 1
").
key to set the value.
h h h h b b b b 1 1 1 1
", "
h h h h b b b b 1 1 1 1 h h h h
" ("
A A A A L L L L M M M M C C C C h h h h 8 8 8 8
"), "
C C C C T T T T 1 1 1 1
", "
L L L L b b b b T T T T M M M M
", "
T T T T b b b b A A A A b b b b
" ("
A A A A L L L L M M M M C C C C h h h h 8 8 8 8
")
h h h h S S S S 1 1 1 1
" , "
h h h h S S S S 1 1 1 1 h h h h
" ("
A A A A L L L L M M M M C C C C h h h h 8 8 8 8
")
Parameter
Function
MV1 soft start
Places a limit on MV1 output after power is turned on for a
output set value
time period set in SFTM.
Soft start set time
Sets the time for soft start to function after turning power
on. Setting "0" will turn off soft start.
control output (MV)
MV when not using
soft start
soft start output
set value
MV when using
soft start (limited)
0％
soft start
power on
set time
During manual mode, the manual output value has priority, but soft start
will continue to keep track of the set time period.
S S S S E E E E T T T T [ [ [ [ h h h h 6 6 6 6
").
S S S S F F F F o o o o 1 1 1 1
") and set the output value.
S S S S F F F F T T T T M M M M
") and set the time.
key to set the value.
r r r r E E E E m m m m
") and choose remote
L L L L C C C C 1 1 1 1
" ("
M M M M o o o o n n n n C C C C h h h h 5 5 5 5
")
t
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