파트넘버.co.kr E5AF 데이터시트 PDF


E5AF 반도체 회로 부품 판매점

Fuzzy Temperature Controller



OMRON 로고
OMRON
E5AF 데이터시트, 핀배열, 회로
Fuzzy Temperature Controllers
E5AF
1/4 DIN Controller Combines Fuzzy and PID Control
For Fast Response to Process Disturbances
s Advanced PID control provides optimal
response during start-up and steady-
state operation
s Fuzzy and PID control work together to
correct a process upset quickly, with
minimal overshoot
s Fuzzy parameters can be changed to adjust
fuzzy control's impact on the process
s Accuracy to ±0.3% of set value
s Field-selectable temperature ranges, °F/°C
scaling, and sensor input types
s Plug-in outputs for field interchangeability
s Communications function and heater burnout
alarm models available
s 3-year warranty
Ordering Information
s TEMPERATURE CONTROLLERS
Order one control output separately below. For example, E5AF-A02-F with E53-S SSR output unit. For heater burnout models, be sure
to order a current transformer. To order models marked for degrees Celsius, omit the "F" at the end of the part number.
Communications type
None
RS-232C
RS-422
RS-485
BCD
Transmission output (4-20 mA)
Standard
E5AF-A-F
E5AF-A01-F
E5AF-A02-F
E5AF-A03-F
E5AF-A20-F
E5AF-AF-F
Heater burnout type*
E5AF-AH-F
E5AF-AH01-F
E5AF-AH02-F
E5AF-AH03-F
E5AF-AH20-F
E5AF-AHF-F
* Current Output E53-C may not be used with heater burnout type controllers.
s CONTROL OUTPUT UNITS
Output type
Part number
Relay
output*
E53-R
SSR
output
E53-S
Voltage output (for driving SSR)
12 VDC (NPN) 24 VDC (NPN)
E53-Q
E53-Q3
*Note: If control period is less than 5 seconds, use solid state relay or voltage relay.
s CURRENT TRANSFORMERS FOR HEATER-BURNOUT CONTROLLERS
24 VDC (PNP)
E53-Q4
Current
output
E53-C
Hole diameter
Part number
5.8 mm (0.23 in)
E54-CT1
12.0 mm (0.47 in)
E54-CT3
s TEMPERATURE RANGES
Input type
Thermocouple
(switch selectable) Type K
Type J/L
Type T/U Type E Type R
Temperature
°C -200 to 1,300 -100 to 850 -200 to 400 0 to 600 0 to 1,700
range
°F 0399 to 2,300 -100 to 1,500 -300 to 700 0 to 1,100 0 to 3,000
Unit of measure
1° C or F, main setting and alarm
Type S
0 to 1,700
0 to 3,000
Platinum RTD
100
-99.9 to 450.0
-99.9 to 800.0
0.1° C or F, main setting
and alarm


E5AF 데이터시트, 핀배열, 회로
E5AF
E5AF
Advanced PID Control Improved with Fuzzy Control
Omron's E5AF temperature controllers combine advanced PID
control with fuzzy logic control to improve responsiveness to
external process disturbances, events that cause a clear offset
between the process and set temperatures.
Omron's feed-forward (FF) advanced PID control and fuzzy
logic control operate in parallel. The PID control operates
during normal conditions, while the fuzzy logic control operates
only when there has been an external disturbance to the
process. The start-up and stable state operation is identical to
Omron's conventional PID controllers. The output of the E5AF
is the sum total of the output of the PID and fuzzy control
functions. Both PID and fuzzy scale parameters can be set
automatically by auto-tuning, or may be manually set.
There are three fuzzy parameters users can set, and the
illustrations show the impact of each one:
s FUZZY INTENSITY
Fuzzy intensity (FU1) determines the impact of the fuzzy logic
section of the control algorithm, on the final control output
Small
Fuzzy
intensity
Large
percentage. This parameter is the nominal value which can be
set from 0 to 99%. Default setting is 50%. When set to 0%,
fuzzy control will have no influence, and the unit will function as
a PID controller (like Omron's E5AX). As this value is
increased, the corrective actions taken by the controller will
become larger. The FU1 value should be increased in
applications where quicker neutralization of a process
disturbance is required, and/or overshoot on the recover from
the disturbance needs to be further minimized.
s FUZZY SCALE 1
Fuzzy Scale 1 (FUS1) controls the magnitude of error
"membership function". This value corresponds to what the
controller should consider to be a "large" error and can be set
in a range of 0.2° to 999.9° (C or F). Default setting is 40°. For
every sample the controller compares the present error to
FUS1 value in order to make a subjective decision about the
size of the error. Decreasing this value makes the controller
more sensitive to error, and will decrease the response time for
returning the process back to set value.
Large
FUS1
Small
s FUZZY SCALE 2
Large
FUS2
Small
Fuzzy Scale 2 (FUS2) controls the rate-of-change "member-
ship function". This value corresponds to what the controller
should consider a "large" rate of change, and can be set in a
range from 0.20° to 99.9° (C or F) per second. For every
sample the controller compares the present rate-of-change to
the FUS2 value in order to make a subjective decision about
the size of the change. Decreasing this value will make the
controller more sensitive to change. Because small changes in
this value can cause a large increase in oscillations, best
results can usually be achieved by manually setting FU1 and
FUS1 and leaving FUS2 at the auto-tuned value.
s COMBINED EFFECTS OF FUZZY ADJUSTMENTS
Correcting large overshoot
without hunting with an increase
in Fuzzy Intensity
Eliminating small overshoot and
lengthening stabilization time by
decreasing Fuzzy Scale 1
Eliminating large overshoot and
shortening hunting time by
increasing Fuzzy Intensity and
Fuzzy Scale 1
2




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E5AF controller

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