4.2.3
Meaning of the jumper positions
The device has two internal jumpers.
Delivery state
(No Function)
Fault current ≤ 3.6 mA
in accordance with
NAMUR NE43
Write protection enabled
(Write Protect)
Introduction (Page 170)
Fault current ≥ 21 mA
in accordance with
NAMUR NE43
(Safe State)
A fault current ≥ 21 mA is not
permissible for operation of
the device with functional safe‐
ty. Functional safety cannot be
activated with a fault current
≥ 21 mA.
4.2.4
Nameplate layout SITRANS TH
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①
Conformity with country-specific guidelines
②
Manufacturer's address
③
Place of manufacture
④
Read the compact operating instructions
⑤
CE marking with ID number of the named testing authority
⑥
Serial number
First two digits = year of manufacture
⑦
Device version
⑧
Product name
⑨
Manufacturer
Figure 4-4
Example of nameplate for SITRANS TH with approval information
Description
4.2 SITRANS TH320/TH420
SITRANS TH100/TH320/TH420/TR320/TR420/TF320/TF420 with 4 to 20 mA/HART
36
Operating Instructions, 05/2020, A5E41864807-AB