Endress+Hauser OTR31 Operating Instructions Manual page 20

Operating options
6.1.4 Basic settings
Function Function
group
BASE UNIT Technical unit
ZERO Zero point
configuration
GETZ Zero point
adoption
DISP Display
TAU Damping: display
value, output signal
BASE DESI DESINA
6.1.5 Output setting - 1x or 2x switch output
• 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 switchback point
RSP.
• Window function
The window function allows a process temperature range to be monitored.
• NO contact or NC contact
This switch function is freely selectable.
20
Settings Description
°C Select unit on display:
°F °C, °F, K factory setting: °C
K
0.0 Position adjustment:
within ±10 °C/K (18 °F) of the upper sensor limit
0.0 No settings possible (not available in the PC software)
PV PV: Display measured value
PVR0 PVRO: Display of measured value rotated by 180°
SP SP: Display set switch point
SPRO SPRO: Display of set switch point rotated by 180°
OFF OFF: Display off
OFFR OFFR: Display off rotated by 180°
Factory setting: current measured value (PV)
0.0 Damping of measured value or display value and output: 0 (no
damping) or 9 to 40 s (in increments of 1 s)
Factory setting: 0 s
NO The PIN assignment of the M12 connector is in accordance with
YES the guidelines of DESINA.
Factory setting: NO

DESINA can be selected only if output 1 and 2 are
selected.
Temperature switch OTR31, OTR35