Siemens SITRANS LR 300, Instruction Manual, Page: 65 / 140

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 63
mmm
mm
Pa
ra
m
ete
rs
Fail-Safe Parameters (P070 to P072)
P070 Fail-Safe Timer
Sets the time delay, in minutes, before going into Fail-Safe mode.
P071 Fail-Safe Material Level (F = 3)
Selects the default measurement in the event that the Fail-Safe timer expires. (See also
P219.)
P072 Fail-Safe Level Advance (F = 1)
Sets the speed at which the SITRANS LR 300 advances and returns to the Fail-Safe
Material Level.
Values
Range: 0.0000 to 99999
Pre-set: Refer to Table for P003 on page 56.
Values
1 High: maximum span value
2 Low: minimum span value
3 Hold: hold current value
Values
1
Restricted (pre-set): unit advances to/from the Fail-Safe Material
level as set by P003, P700, or P701.
2 Immediate: Fail-Safe Material Level is assumed at once.
3
Fast Back: Fail-Safe Level Advance is restricted. Returns to new
measured material level at once.
Related
parameter
P219 mA Output Fail-Safe
SITRANS LR 300.book Page 63 Monday, June 10, 2002 7:18 PM