3.5.1
Thermocouple, mV, and RTD/Ohm inputs
Each process installation has different requirements for grounding. Use the grounding
options recommended by the facility for the specific sensor type, or begin with grounding
Option 1 (the most common).
Option 1
Procedure
1. Connect sensor wiring shield to the transmitter housing (only if the housing is
grounded)
2. Ensure the transmitter housing is electrically isolated from the sensor wiring.
A
B
C
A. Sensor wires
B. Transmitter
C. Shield ground point
Option 2
Procedure
1. Ground sensor wiring shield at the sensor.
2. Ensure the sensor wiring and shield is electrically isolated from the transmitter
housing.
Reference Manual
Installation
00809-0200-4648
May 2020
Rosemount 648 Wireless
41
Содержание Rosemount 648
Страница 4: ...4 ...
Страница 8: ...Introduction Reference Manual May 2020 00809 0200 4648 8 Rosemount 648 Wireless ...
Страница 18: ...Figure 2 9 Configure Configuration Reference Manual May 2020 00809 0200 4648 18 Rosemount 648 Wireless ...
Страница 19: ...Figure 2 10 Service Tools Reference Manual Configuration 00809 0200 4648 May 2020 Rosemount 648 Wireless 19 ...
Страница 32: ...Configuration Reference Manual May 2020 00809 0200 4648 32 Rosemount 648 Wireless ...
Страница 48: ...Commissioning Reference Manual May 2020 00809 0200 4648 48 Rosemount 648 Wireless ...
Страница 58: ...Operation and maintenance Reference Manual May 2020 00809 0200 4648 58 Rosemount 648 Wireless ...
Страница 66: ...Troubleshooting Reference Manual May 2020 00809 0200 4648 66 Rosemount 648 Wireless ...
Страница 68: ...Reference data Reference Manual May 2020 00809 0200 4648 68 Rosemount 648 Wireless ...