Endress+Hauser iTEMP HART TMT142 Mode D'emploi page 31

TMT142 HART®
Setup or configuration hardware lock using jumper J1
TRANSMITTER SECURITY
ON Setup/configuration locked
OFF Setup/configuration unlocked
The hardware setup/configuration lock has priority over the software setup.
Setup hardware fault conditioning using jumper J2
FAILURE MODE
 3.6 mA
LO
HI  21.0 mA
The failure mode conditioning setup using the jumper is only active when the microcontroller
fails.
Please check that the hardware and software failure mode conditioning correspond
with each other.
Hardware setup using jumper J3 (only for units without display)
Using jumper 3 the minimum operating voltage can be reduced from 11 V to 8 V.
Commissioning
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