Connect 9-Wire Cable - Emerson MicroMotion HPC010 Installation Manual

Transmitter power and I/O wiring
March 2020
4.3

Connect 9-wire cable

4.3.1 Connect the 9-wire cable
Procedure
1. Prepare and install the cable according to the instructions in the Micro Motion 9-Wire
2. Insert the stripped ends of the individual wires into the terminal blocks of the
3. Match the wires color for color. For wiring at the transmitter or remote core
4. Tighten the screws to hold the wires in place.
5. Ensure integrity of gaskets, then tightly close and seal the junction box cover and all
6. Refer to the transmitter installation manual for signal and power wiring
4.3.2 Connect the 9-wire cable on a remote enhanced core
processor
Procedure
1. Insert the stripped ends of the individual wires into the terminal blocks. Ensure that
2. Match the wires color for color.
3. Tighten the screws to hold the wires in place.
4. Ensure integrity of gaskets, then tightly close and seal all housing covers.
4.3.3 Wire the MVD Direct Connect I.S. barrier
Procedure
Connect the core processor to the barrier:
a) Connect the RS-485 wires from the core processor to the I.S. RS-485 terminals at
b) Connect the power supply wires from the core processor to the I.S. VDC terminals
22
Flowmeter Cable Preparation and Installation Guide.
junction box. Ensure that no bare wires remain exposed.
processor, refer to the transmitter documentation.
housing covers.
instructions.
no bare wires remain exposed.
the barrier (terminals 43 and 44), matching A and B. See the following table and
figure.
at the barrier (terminals 42 and 41), matching positive and negative (+ and –). Do
not terminate the shields at the barrier. See the following table and figure.
Function
RS-485 A
RS-485 B
Core processor terminals
3
4
Installation Manual
MMI- 20032352
Barrier I.S. terminals
43
44
Micro Motion HPC