Electrical connections
18 TTF300
OI/TTF300-EN
5.2
Connection for power supply cable
Caution - Potential damage to parts
Connecting the power supply cable with power switched on may result in a short circuit and
potential damage to the transmitter.
The power must be switched off to connect the power supply cable.
A00255
10
11
1
2
3
9
8
7
6
5
4
Fig. 6: Terminal for transmitter (without LC display)
1 … 6 Sensor connection
7 Ground
connection
8 DIP switch 1: on, hardware write
protection is enabled
DIP switch 2: no function
9 Interface for LC display
10 … 11 Signal-/ power supply connection
11 ... 42 VDC / 4 … 20 mA
11 ... 30 VDC / 4 … 20 mA (Ex)
1.
Route the power supply cable through the cable gland into the housing of the transmitter.
Then tighten the cable gland.
2.
Strip the wires and attach wire end sleeves.
3.
Release the clamping screws for the (+) and (-) terminals with the proper screwdriver. Make
sure that the screws do not fall out.
4.
Connect the (+) wire to the (+) terminal on the transmitter.
5.
Connect the (-) wire to the (-) terminal on the transmitter.
The connection of the line shield is optional.