16
STAT Ramp/Soak Status: The Ramp/Soak program automati-
cally changes the setpoint value with time in
accordance with a preset pattern, as shown in the fig-
ure. This device allows a maximum of four ramp and
four soak segments. Ramp is the region in which SV
changes toward the target value. Soak is the region in
which the target value is maintained. STAT displays the
current ramp/soak status. No setting can be made.
oFF: Not in operation
1-rP – 4-rP: Executing 1st – 4th ramp
1-St – 4-St: Executing 1st – 4th soak
End: End of program
SV-1 Ramp Target Value: Sets the target value for each ramp
to to segment.
SV-4 Setting range: 0-100% of full scale
TM1r Ramp Segment Time: Sets the duration of each ramp
to to segment.
TM4r Setting range: 00.00 to 99hrs 59mins.
TM1S Soak Segment Time: Sets the duration of each soak
to to segment.
TM4S Setting range: 00.00 to 99hrs 59mins.
Mod Ramp/Soak Mode: Up to 16 different modes of
ramp/soak operations are possible. Choose the appro-
priate code from the Table of Ramp/Soak Modes
Setting: 0-15
FACTORY PRESET MENU
P-n1 Control Action & Sensor Burn-out Protection: The
Control Action is the direction of the output relative to
the process variable. The controller can be pro-
grammed for either reverse or direct control action. In
a reverse acting controller, the output decreases as
the process variable increases. A heating application
would require reverse acting control. In a direct acting
controller, the output increases as the process vari-
able increases. A cooling application would require
direct acting control. Enter the code from the Table of
Output Type Codes which establishes either a reverse
or direct control action.
The Sensor Burn-out Protection is the intended direc-
tion of the output in the event of a thermocouple or
RTD sensor break, or a break in the analog input. The
controller can be programmed with either upper-limit
or lower-limit burn-out direction. With Upper-limit
Burn-out, a 100% output will be delivered in the event
of a sensor burn-out. With Lower-limit Burn-out, 0%
output will be delivered in the event of a sensor burn-
out. Enter the appropriate code from the Table of
Output Type Codes.
Refer to Error Messages for more details.
Ramp: Region in which the setpoint changes toward the target value.
Soak: Region in which the setpoint stays unchanged at the target value.
Note 1: SV cannot be changed while the operation is running or suspended.
Note 2: The use of fuzzy control is inhibited while Ramp-Soak operation is being performed.
1. Power on Start: Program starts from the current PV value.
2. Output on END: Output condition at the end of the program (rEnd)
3. Output on OFF: Output condition when program is terminated (roFF)
4. Repeat function: Ramp-soak program operates repeatedly.
If the repeat function is off, the SV value on the last
step is maintained.
Stand-by mode: Output -3%, Alarm off.
Going on Control: When program ends (rEnd), control is at the SV value
on the last step.
When program is terminated (roFF), control is at the
main SV value.
MOD Power on start Output on END Output on OFF Repeat function
0 No Going on control Going on control No
1 No Going on control Going on control Yes
2 No Going on control Stand-by mode No
3 No Going on control Stand-by mode Yes
4 No Stand-by mode Going on control No
5 No Stand-by mode Going on control Yes
6 No Stand-by mode Stand-by mode No
7 No Stand-by mode Stand-by mode Yes
8 Yes Going on control Going on control No
9 Yes Going on control Going on control Yes
10 Yes Going on control Stand-by mode No
11 Yes Going on control Stand-by mode Yes
12 Yes Stand-by mode Going on control No
13 Yes Stand-by mode Going on control Yes
14 Yes Stand-by mode Stand-by mode No
15 Yes Stand-by mode Stand-by mode Yes
Table of Ramp/Soak Modes
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