Endress+Hauser iTEMP TMT82 - Wiring; Quick Wiring Guide

iTEMP TMT82 Wiring
Endress+Hauser 17
5 Wiring
L
CAUTION
‣
Switch off power supply before installing or connecting the device. Failure to observe
this may result in destruction of parts of the electronics.
‣
When installing Ex-approved devices in a hazardous area please take special note of
the instructions and connection schematics in the respective Ex documentation added
to these Operating Instructions. Your supplier is available for assistance if required.
‣
Do not occupy the display connection. An incorrect connection can destroy the
electronics.
A Phillips head screwdriver is required to wire the head transmitter with screw terminals.
A flat-bladed screwdriver must be used for the version with spring terminals and for the
DIN rail transmitter.
NOTICE
Do not overtighten the screw terminals, as this could damage the transmitter. Use a
suitable screwdriver.
‣
Maximum torque for securing screws = 1 Nm (¾ foot-pound), screwdriver: Pozidriv Z2
‣
Maximum torque for screw terminals = 0.35 Nm (¼ foot-pound), screwdriver: Pozidriv
Z1
For wiring a mounted head transmitter, proceed as follows:
1. Open the cable gland and the housing cover on the terminal head or the field
housing.
2. Feed the cables through the opening in the cable gland.
3. Connect the cables in accordance with →  17. If the head transmitter is fitted
with spring terminals, pay particular attention to the "Connecting to spring terminals"
section→  19.
4. Retighten the cable gland and close the housing cover.
In order to avoid connection errors always take note of the hints given in the section
connection check!
5.1 Quick wiring guide
Terminal assignment of head transmitter
-
+
+
1
-
2
7
6
5
4
3
1
2
7
6
5
4
3
Sensor input 2
Sensor input 1
Bus connection
and supply voltage
Display connection/
service interface
TC, mV
RTD, Ω 4-, 3- and 2-wire:
RTD, Ω 3- and 2-wire:
TC, mV
white
red
red
white
white
red
red
(black)
(yellow)
(black)
A0007285-EN
 8 Wiring the head transmitter