Siemens sitrans PROBE LU - Lock (P069); Failsafe (P070 to P073)

Page 42 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695
Parameters
Lock (P069)
P069 Unlocked value
Stores the value to enter in Lock (P000) to unlock programming. If P000 is locked, P069
will not display the Unlocked value.
Failsafe (P070 to P073)
P070 Failsafe Timer
Sets the time to elapse in minutes since the last valid reading, before Failsafe State
activates.
P071 Failsafe Material Level
Allows you to select the material level to be reported when the Failsafe Timer expires.
(For more detail, see Failsafe on page 91.)
1. Enter the value corresponding to the level you want reported when the Failsafe
Timer expires.
2. Press ENTER .
Values
Range 1 to 9999
Default 1954
----
Display when P000 is locked
Notes:
• Default setting for P000 is unlocked.
• After a new value has been stored at P069, that value will be recalled after a master
reset (P999).
• Consult your Siemens representative, if you have forgotten the unlocked value.
Values
Range 0.0000 to720.00 min.
Default 100.00 (based on P003)
Note: The last valid reading is maintained until the Failsafe timer expires. After the
timer expires, the reading is set based on P071.
Values
1 Use Maximum mA Limit (P213) as material level
2
Use Minimum mA Limit (P212) as material level
3*
Level remains at last reading
4
User-selected value (defined in P073)