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Autonics TM4 Series User Manual

Autonics TM4 Series
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6 Parameter Settings and Functions
56 © Copyright Reserved Autonics Co., Ltd.
6.2.3 Ramp Settings
Ramp is a feature used to configure the slope toward SV (Setting Value). The feature
limits change rate of SV and thereby restricts sudden temperature changes (increase
and decrease) in the control subject.
Ramp is commonly used in applications where rapid temperature changes (increase
and decrease) could impact negatively on the control subject.
Group Parameter Range
Factory
Default
Unit
Control
Operation
Group
Ramp_Up[Down]
Change Rate
0 (OFF) to 9999 0 Digit
Ramp Time Unit
SEC (seconds), MIN
(minutes), HOUR (hours)
MIN
(minute)
-
For ceramic or pottery furnaces, rapid heating may break the
furnace subject. Apply Ramp Up Change Rate to control the
temperature.
Activating the ramp feature when the ramp is not in operation
limits the rate of SV (Setting Value) change based on PV
(Present Value). Changing SV or ramp parameters when the
ramp is in operation limits the rate of SV change based on SV at
the point of the change.
SV determines the control of the control subject temperature.
The SV changes based on the configured rate of change
(hereinafter referred to as RAMP SV).
Ramp Up change rate and Ramp Down change rate can be set
independently.
Alarm activation with the ramp in operation depends on the final
SV.
Setting the rate of ramp change to 0 deactivates the ramp
feature.
Ramp Status by Modes
Operation Status RAMP RATE
Ramp
Function
All modes. When 0 Inactive
OPEN, HHHH, LLLL, Auto-tuning, Auto→Manual,
RUN→STOP
Irrespective of
conditions.
Inactive
OPEN, HHHH, LLLL, after Auto-tuning, PV = SV
Irrespective of
conditions.
Inactive
Power On, SV change, switch from STOP to RUN, switch
from Manual to Auto, Ramp Rate or Ramp time unit
change
When not 0 Active

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Autonics TM4 Series Specifications

General IconGeneral
BrandAutonics
ModelTM4 Series
CategoryTemperature Controller
LanguageEnglish

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