Quick Wiring Guide; Terminal Assignment - Endress+Hauser iTEMP HART TMT142 Mode D'emploi

Wiring
8. Make sure that the terminal screws are tight. Re-seal the cable gland by screwing the cover
back on. In doing so, also pay particular attention to  Chap. 3.4.
9. On completion of the wiring, screw on the electronics module (item 4) again, plug on the
display with twist protection (item 3) again if applicable and screw the housing cover
together with the O-ring (item 2) down again. Finally refit the cover clamp (item 1).
In order to avoid connection errors always take note of the hints given in the section
connection check!
It is possible to adjust the display with retainer in 90°stages to your desired position
and rearrange it on the particular slot in the electronics module. It is not possible to
rotate the display when the display is plugged on already.
3.1

Quick wiring guide

3.1.1 Terminal assignment

Sensor
TC
1
2
Fig. 3: Wiring the field transmitter - terminal assignment
ESD - electrostatic discharge.
Protect the terminals from electrostatic discharge. Failure to observe this may result in
destruction or malfunction of parts of the electronics.
24
Sensor
3
4
2
1
3
4 + -
S1 +
+
#
-
-
2-wire
W
3
1
RTD
3 1
11 to 40 V
11 to 30 V Ex
4 to 20 mA
HART® - Signal
3-wire
W
2 1
3
RTD
2 1
3
TMT142 HART®
4-wire
W
4
3 2 1
RTD
4 3 2 1
A0026193-EN