参数资料
型号: E53-C3
厂商: Omron Electronics Inc-IA Div
文件页数: 2/9页
文件大小: 0K
描述: 4-20 CURRENT OUTPUT ES100 & E5J
标准包装: 1
其它名称: E53C3
E5 u J
s CONTROL OUTPUTS FOR 1/4 AND 1/8 DIN MODELS, CURRENT TRANSFORMERS(continued)
E5 u J
Linear voltage, 0 to 5 VDC, 1 K ?
E53-V35
Current transformers
for heater burnout function
5.8 mm (0.23 in) dia. hole
12.0 mm (0.47 in) dia. hole
E54-CT1
E54-CT3
*Note: If control period is less than 5 seconds, use solid state relay or voltage relay.
s COMMUNICATIONS BOARDS FOR E5AJ, E5EJ CONTROLLERS
Output
RS-232C
RS-422
RS-485
Write to temperature controller
Set temperature, alarm value
proportional band, integral time,
rate time, event input.
Read from temperature controller
Set temperature, alarm value, proportional
band, reset time, rate time, output variable
set limits, process value
Part number
E53-J01
E53-J02
E53-J03
s ACCESSORIES
Description
Part number
NEMA 4 covers
For E5CJ, 1/16 DIN size
For E5EJ, 1/8 DIN size
For E5AJ, 1/4 DIN size
Y92A-48N
Y92A-49N
Y92A-96N
s REPLACEMENT PARTS
Description
Panel mounting adapter for E5CJ, supplied with each unit
s TEMPERATURE RANGES
Part number
Y92F-30
Input type
Thermocouple
Platinum RTD
(switch selectable)
Type K Type J and L
Type T and U
Type N
100 ?
Temperature
range
° C
° F
-200 to 1,300 -100 to 850
-300 to 2,300 -100 to 1,500
-199.9 to 400.0
-199.9 to 700.0
-200 to 1,300
-300 to 2,300
-199.9 to 650.0
-199.9 to 999.9
Unit of measure (main
1 ° C/F 1 ° C/F
0.1 ° C/F
1 ° C/F
0.1 ° C/F
setting and alarm
s GET THE ADVANTAGE OF ADAPTIVE TUNING USING THREE ALGORITHMS
Omron's "J" series controllers use fuzzy
Step-Response Tuning
adaptive tuning to continuously monitor
and optimize PID constants while the
controller operates. Three tuning
algorithms are used to recalculate the
PID constants within 500 ms after the
process value stabilizes at set point:
Set
Deviation
immediately
after set
Maximum
Process
Step-response
Comparison of E5 u J and E5 u X
Tuning Methods
Omron's "X" series controllers attempt to
optimize the PID constants by using a
limit cycle auto-tune. Although effective in
most applications, this method has some
? Step-response method
? Disturbance tuning
? Hunting tuning.
point
Manipulated PID
drawbacks. For example, the auto-tuning
must induce an upset into the process in
order to make the process oscillate four
times. In many processes these types of
artificial upsets are not desirable.
Step-Response Method
This tuning method takes place on start-
up and after an upward set point change
Disturbance Tuning
Adaptive tuning controllers do not induce
an upset; instead, they use information
from the actual process, eliminating
heating applications or a downward set
point change in a cooling application.
Step-response tuning changes mainly
impact the proportional band.
Disturbance Tuning
This tuning method takes place when the
temperature exceeds the stable range
between one and three times before
settling back to set point. Changes in
SP
Outside stable
range here
Hunting Tuning
Stable
range
Disturbance tuning
takes place here
unnecessary oscillations and enabling
quicker start-up time.
Another drawback of the limit cycle auto-
tune method is that PID constants will
only be effective so long as the same
basic conditions that were present when
the auto-tune took place remain constant.
Various factors such as a load change,
heater performance degradation or set
tuning are mainly made to the derivative
(rate) time.
Hunting Tuning
This tuning method takes place when the
SP
Hunting
waveform
monitored
Extreme value
Stable
range
point changes can cause the auto-tuned
values to be less than optimum. The new
adaptive tuning method, however, is
continually monitoring the process and will
automatically adjust the PID constants
temperature exeeds the stable range four
whe nprocess parameters (i.e., heater
or more times before settling back to set
point. Changes in tuning are mainly
PID before tuning
PID after tuning
degradation, load change, etc.) vary.
made to the integral (reset) time.
204
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