Hach sc1000 User Manual

96
Advanced Operations
Figure 59 Relay behavior—2 POINT Control mode (ON/OFF delay)
1 High Alarm 4 OFF delay (when phase is low)
ON delay (when phase is high)
2 Low Alarm 5 Time (x-axis)
3 ON delay (when phase is low)
OFF delay (when phase is high)
6 Source (y-axis)
Table 32 Color/line code for Figure 59
Selected Source
Relay contact (phase low)
Relay contact (phase high)

Hach sc1000 Specifications

General

Operating Temperature	-20 to 60 °C (-4 to 140 °F)
Inputs	Up to 2 digital or analog sensors
Outputs	2 analog, 2 relay
Communication	Modbus
Power Supply	100-240 VAC
Enclosure Rating	IP66, NEMA 4X