Endress+Hauser OTR31 Operating Instructions Manual page 23

Temperature switch
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Temperature switch OTR31, OTR35
Function group Function
4-20
SETL
Analog output
SETU Value for 20 mA (URV)
GETL Temperature applied for 4
GETU Temperature applied for 20
FCUR Failure current
Minimum difference between SETL and SETU: 20 °C/K (36 °F)
The function group 4-20 is available only if the 4 to 20 mAanalog output (4-20) is
selected under FUNC or FNC2 in function group OUT or OUT2.
6.1.7
Setting the service functions
Function group
Function
SERV
LOCK
Service
CODE
functions
PRES
REV`C
LST`A
SIM
SIM2 (if
output 2 is
available)
MAX`
MIN`
Value for 4 mA (LRV)
mA (LRV)
mA (URV)
Locking code
Change locking
code
Reset
Revision counter 0
Last device
status
Simulation
Output 1 or 2
Max. indicator
Min. indicator
Settings Description
0.0
–50 to 130 °C (–58 to 266 °F)
Lower range value in increments of 0.1 °C/°F
Factory setting: 0.0 °C (32 °F)
0.0
–30 to 150 °C (–22 to 302 °F)
Upper range value in increments of 0.1 °C/°F
Factory setting: 150 °C (302 °F)
0.0
Accept temperature value as lower range value (not
via PC software)
0.0
Accept temperature value as upper range value (not
via PC software)
MIN
Current value in the event of an error:
MAX
MIN = ≤ 3.6 mA
HOLD
MAX = ≥ 21.0 mA
HOLD = last current value
Factory setting: MAX
Settings
Description
0
Enter the locking code to enable the device.
0
Freely selectable numerical code 1 to 9999.
0 = no locking;
A locking code that has already been assigned
can only be changed by first entering the old
code to enable the device.
NO
Resets all entries to the factory setting
YES
Increases by 1 with each configuration
0
Displays the last device status to occur ≠ 0
OFF
OFF: no simulation
OPEN
OPEN: switch output open
CLOS
CLOS: switch output closed
3.5 (if analog
3.5: simulation values for analog output in mA
output is
(3.5/4.0/8.0/12.0/ 16.0/20.0/21.7)
available)
0.0
Display max. measured process value
0.0
Display min. measured process value
Operating options
23

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