Local Operation - Endress+Hauser iTEMP HART TMT142 Manuel De Mise En Service

TMT142
"
!
Endress+Hauser
5.2

Local operation

5.2.1 Hardware setting
Fig. 10: Hardware settings via jumpers J1, J2 and J3
Caution!
Protect the terminals from electrostatic discharge. Failure to observe this may result in destruction
of parts of the electronics.
Jumpers J1, J2 and J3 for the hardware setting are located at the electronics module. To set the
jumper, open the threaded joint of the electronics module (opposite the threaded joint of the
connection compartment) and remove the display if necessary.
Hardware locking the configuration with jumper J1
TRANSMITTER SECURITY
ON Configuration locked
OFF Configuration enabled
The hardware setting for configuration locking has priority over the software setting.
Setting the failsafe mode via the hardware with jumper J2
FAILURE MODE
≤ 3.6 mA
LO
≥ 21.0 mA
HI
The failsafe mode set via the jumpers only takes effect if the microcontroller fails.
Note!
Please check that the hardware and software setting for the failsafe mode match.
Operation
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