Advanced operations – Hach sc1000 User Manual
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91
Advanced Operations
and
show the behavior of the relay in the Feeder Control function
under different conditions.
Figure 55 Relay behavior, Feeder Control mode
1
Deadband (Phase=Low)
5
ON delay (with phase set low)
OFF delay (with phase set high)
2
Deadband (Phase=High)
6
Time (x-axis)
3
Set point
7
Source (y-axis)
4
OFF delay (with phase set low)/
ON delay (with phase set high)
Table 28 Color/line code for
Selected source
Relay contact (phase low)
Relay contact (phase high)