Hach sc1000 user manual Advanced Operations

Advanced Operations

Figure 55 and Figure 56 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 Figure 55

Selected source

Relay contact (phase low)

Relay contact (phase high)

91