Connect The Power Supply Wiring - Emerson Micro Motion 3500 Installation Manual

3.4

Connect the power supply wiring

CAUTION!
• Do not install power supply wiring in the same cable tray or conduit as the input/output
wiring to avoid device failure or measurement error.
• Shut off the power supply before installing the applications platform.
• Make sure the power supply voltage matches the voltage that is indicated on the power
supply wiring terminals. See
Connect the Model 3300 or Model 3500 to a power supply as follows:
1. Use 18 to 14 AWG (0,75 to 2,5 mm
2. Ground the transmitter as follows:
•
•
•
•
3. Connect wires to the upper and lower terminals.
4. (Optional). Install a user-supplied switch in the power supply line.
In Europe, install the switch close to the Model 3300 or Model 3500 in order to comply
with low-voltage directive 2006/95/EC. For details, see standard EN 61010-1:2010
clause 5.4.3.d.
Figure 3-11: Power supply wiring terminals
Installation Manual
Figure
Connect the ground wire to the middle terminal.
Connect the power supply ground directly to earth ground.
Keep all ground leads as short as possible.
Ensure that all ground wiring has less than 1 ohm impedance.
Power supply wiring terminals
3-11.
2 ) wire.
Terminal designations for DC power
Terminal designations for AC power
Wiring
21