ET-7000/PET-7000 AIO Series User Manual, version 1.0.1 beta3 Page: 159
Copyright © 2009 ICP DAS Co., Ltd. All Rights Reserved. E-mail: [email protected]
B.5. AI High/Low Latch
The address 30236 to 30267 records the maximum value of analog inputs and stays the
value until another maximum input enters. The address 30268 to 30299 records the
lick the “Web HMI” link in the Web HMI Section of the Main Menu tree.
oving average value of one AI channel
(7: 7 records)
he average value of each AI can be reached on a regular interval when the moving
average functi
For example, a five-item simple moving average would be the sum of the reading value of
e
t reading value divided by 20, and so on. Each item the
T
n
V
n-5
V
n-4
V
n
Time
minimum value of analog inputs and stays the value until another minimum input enters.
iew the Power ON/Safe Value via Web page
V
C
M
V
=(V
+V
+…+V
7
T
n-6
T
n-5
T
n-4
T
n-3
T
n-2
n-1
V
n-6
V
n-3
V
n-2
V
n-1
AI
Ave_n
n
+V
n-1
n-1
+V
n-3
n-6
) /
T
on is enabled.
the five most recent reading value, divided by five; a 20-item moving average would b
the sum of the 20 most recen
most recent reading value is added to the equation and the most distant item is dropped
off.
T
