Endress+Hauser Thermophant T TTR31 Operating Manual page 14

Operation
5.1.4 Output setting
• Hysteresis function
The hysteresis function enables two-point control via a hysteresis. Depending on the
temperature T, the hysteresis can be set via the switch point SP and the switch-back point
RSP.
• Window function
The window function enables the monitoring of a process temperature range.
• NO contact or NC contact
This switch function is freely selectable.
• Factory setting (if no customer-specific settings have been ordered):
Switch point SP 1: 45 °C (113.0 °F); Switch-back point RSP 1: 44.5 °C (112.1 °F)
Switch point SP 2: 55 °C (131.0 °F); Switch-back point RSP 2: 54.5 °C (130.1 °F)
• Range of adjustment
LRL = Lower Range Limit
URL = Upper Range Limit
LRV = Lower Range Value
URV = Upper Range Value
Fig. 9: m Hysteresis function, n Window function, o NO contact switch status , p NC contact switch sta-
tus SP Switch point; RSP Switch-back point
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TTR31, TTR35
T09-TTR31xxx-05-xx-xx-xx-001
Endress+Hauser