Fail-Safe (2.5.); Material Level (2.5.1.); Timer (2.5.2.) - Siemens SITRANS LR560 Operating Instructions Manual
Radar transmitters ma/hart
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Also See for SITRANS LR560:
- Quick start manual (270 pages) ,
- Operating instructions manual (220 pages) ,
- Compact operating instructions (66 pages)
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Parameter Reference
8.2 SETUP (2.)
Note
The selected rate will also impact the AVERAGE AMOUNT (2.7.5.3.) (Page 126) parameter.
For example, a SLOW setting will change it to 0.9, and a FAST setting may require it to be
reduced to a very low value.
8.2.5
FAIL-SAFE (2.5.)
Note
Default settings
The default setting depends whether your device is a standard or NAMUR NE 43-compliant
device. An NE43 device part number ends with -Z NO7.
8.2.5.1
MATERIAL LEVEL (2.5.1.)
Factory setting:
Setting range:
Purpose:
Related parameters:
8.2.5.2
TIMER (2.5.2.)
Note
When a loss of echo occurs, MATERIAL LEVEL (2.5.1.) (Page 116) determines the material
level to be reported when the fail-safe timer expires.
Factory setting:
Setting range:
Purpose:
116
Standard: HOLD; NAMUR NE 43: VALUE
HI
20.5 mA (max. mA Limit)
LO
3.8 mA (min. mA Limit)
HOLD
Last valid reading (default 22.6 mA)
VALUE
User-selected value defined in LEVEL (2.5.3.) (Page 117):
default 3.56 mA
Defines the mA output to use when the Fail-safe timer expires.
LEVEL (2.5.3.) (Page 117)
100 s
0.00 to 7200 seconds
Sets the reaction speed of the device to measurement changes.
SITRANS LR560 (mA/HART)
Operating Instructions, 06/2017, A5E34647946-AD
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Troubleshooting
