Rockwell Automation 839E Solid-State Flow Sensors - Manual (Page 20)

839E Solid-State Flow Sensors User Manual
18 Pub #10000004735 Ver 03, May 2012
Functions of the switch point
• Hysteresis function
The hysteresis function enables two-point control via a hysteresis. Depending on the mass
flow, the hysteresis can be set via the set point SP and the reset point RSP.
• N.O. contact or N.C. contact
This switch function is freely selectable.
Figure 13 Hysteresis function, ➁ N.O. contact, ➂ N.C. contact
SP = set point; RSP = reset point