Endress+Hauser iTEMP TMT85, Руководство по эксплуатации

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Electrical connection iTEMP TMT85
16 Hauser
5 Electrical connection
L
CAUTION
‣
Switch off the power supply before installing or connecting the device. Failure to
observe this may result in destruction of parts of the electronics.
‣
When connecting Ex-certified devices, please take special note of the instructions and
connection schematics in the Ex-specific supplement to these Operating Instructions.
Please contact Hauser's representative if you have any questions.
‣
Do not occupy the display connection. Connecting other devices can destroy the
electronics.
‣
Connect the potential matching line to the outer ground terminal before applying the
power supply.
5.1 Connection conditions
A Phillips head screwdriver is required to wire the head transmitter with screw terminals.
The spring terminal version can be wired without any tools.
Proceed as follows to wire a mounted head transmitter:
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 as shown in →  6,  16. If the head transmitter is fitted with
spring terminals, pay particular attention to the information in the "Connecting to
spring terminals" section". →  17
4. Tighten the cable gland again and close the housing cover.
In order to avoid connection errors always follow the instructions in the post-connection
check section before commissioning!
5.2 Connecting the measuring device
Terminal assignment
-
+
+
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
 6 Terminal assignment of head transmitter
NOTICE
‣
ESD - electrostatic discharge. Protect the terminals from electrostatic discharge.
Failure to observe this may result in the destruction or malfunction of parts of the
electronics.