84
6. Application examples
Example 1: Flow measurement
A level has to be converted into a flow according to the following formula.
Q ( calculated flow speed in liter per minute ) = 0.0072*h *60
h ( level range in mbar per second ) = 0 – 30 mbar
In 4.1 Channel Mode of Configuration, set AI1 as follows,
Name: Level 1
Desc: xxxxxx
Method: Instant
Speed: 1 S ( 1 second / data )
Offset: 0.00
Gain: 1.000
Sensor: Current
Unit: mA
Range: 4.0
∼
20.0
Scale
Unit: mbar Low: 0.00
High: 30.00
Press Math to get into Math Channel and set Math1 as follows,
Name: Flow 1
Desc: xxxxxx
Type: Enable
Log Method: Instant
Speed: 1 S
Expression: 0.0072*AI1^2.5*60
Unit:
l/min
Low:
0.0
High:
2200.0
Example 2: 8:00 am start logging, 17:00 pm stop logging Monday-Friday
Select Tools mode of Configuration, and define Timer 1 – 4 as follows,
Timer 1
Timer 2
Type:
Daily
Action:
Enable Type:
Daily
Action:
Enable
Time: 8 Hour 0 Min.
Time: 17 Hour 0 Min.
Job
1:
Start
logging
Job
1:
Stop
logging
Timer 3
Timer 4
Type: Weekly
Action: Enable
Type:
Weekly Action:
Enable
Time: Saturday 8 Hour 1 Min
Time: Sunday
8 Hour 1 Min
Job1:
Stop
logging
Job1:
Stop
logging
Summary of Contents for WH18/06
Page 1: ...User Manual Paperless Recorder WH18 06 15th Edition 03 2008 ...
Page 17: ...17 Figure 2 6 Figure 2 7 Figure 2 8 ...
Page 19: ...19 Figure 2 10 Figure 2 11 ...
Page 25: ...25 Digital input card DI181 Figure 2 21 Analog output card AO183I AO183V Figure 2 22 ...
Page 27: ...27 Figure 2 25 Figure 2 26 ...
Page 70: ...70 Make sure that RS 232 communication setting at the recorder and PC are equal ...
Page 87: ...87 7 Trouble shooting ...
Page 88: ...88 ...
Page 89: ...89 ...
Page 90: ...90 ...
