Connection For Power Supply Cable - ABB HART TTF350 Commissioning Instructions

4.3

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.
Fig. 4: Sensor and supply voltage terminal box of the TTF350 field device
1 ... 6 Sensor connection
7 ... 9 Signal/power supply connection
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.
CI/TTF350-X1
3
2
1
7
11 ... 42 VDC / 4 ... 20 mA
11 ... 30 VDC / 4 ... 20 mA (Ex)
7 Shield
8 Minus
9 Plus
TTF350
Electrical connection
4
5
6
7
8
9
A00187
EN - 13