BERTHOLD TECHNOLOGIES Uni-Probe LB 490 - 9 Functional Safety; 9.1 Scope of Application

Uni-Probe LB 490
BERTHOLD TECHNOLOGIES GmbH & Co. KG
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Volume 1 9 Functional Safety
1
9 Functional Safety
The Safety Manual requires that you are familiar with the device
and software description ID no. 38477BA1 (German) or ID no.
38477BA2 (English).
The Safety Manual includes all information required for the safe
operation of the measuring system.
9.1 Scope of Application
This Safety Manual is valid for radiometric measuring systems,
which consists of a radiation source and the Level Gauge Uni-Probe
LB 490.
Figure 9-1 Overview measuring system with Uni-Probe LB 490
The information applies to the following device versions:
This FMEDA is not valid for the versions:
– LB 490 HART with intrinsically safe current output
(ID no. 47678-xxx)
– LB 490 with signal output Profibus PA
(ID no. 50040-xxx and 50035-xxx)
– LB 490 with signal output FOUNDATION
™
Fieldbus
(ID no. 50041-xxx and 50036-xxx)
Radiation source Measuring path Measuring system Output
Shielded source
- Co-60
- Cs-137
with mechanical locking
mechanism
Uni-Probe LB 490 Current output
4–20mA
DEVICE Description Hardware
revision
Software
revision
Level
measuring
system
LB 490 with
HART
®
-signal
output, ID no.
38477-xxx
04 and higher 100 and higher