ICP DAS USA ET-7000 Series - Page 144

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Appendix D: Modbus Application Notes
ET-7000 AIO User Manual, Apr. 2009, V1.04, EMH-011-104----------144
AI2 30146 0 ~65535 or –32768 ~ +32767
AI3 30147 0 ~65535 or –32768 ~ +32767
AI4 30148 0 ~65535 or –32768 ~ +32767
AI5 30149 0 ~65535 or –32768 ~ +32767
AI6 30150 0 ~65535 or –32768 ~ +32767
AI7 30151 0 ~65535 or –32768 ~ +32767
AI8 30152 0 ~65535 or –32768 ~ +32767
AI9 30153 0 ~65535 or –32768 ~ +32767
Average value of all AI channel
The value of all AI channel is obtained on a regular interval. The average of AI channels can
be reached and then stored in the specified registers.
Register
Description
00348
Enable the average value of all enabled channels, High/Low Alarm value of all AI average
value and Average Latched values.
0=disabled
1=enabled
(Default=0)
30176
Average value of all enabled AI channel. Address 00595~00626 is used to enable/disable
the AI channel.
0 ~ 65535 or –32768 ~ +32767
V
Ave_all
=(V
0
+V
1
+V
2
+V
3
+…+V
n
) / n (n: n channels)
Time
Time
Time
Time
V
0
V
1
V
2
V
n
AI0
AI1
AI2
AIn
T
0