Emerson Rosemount 975 Reference Manual page 25

Reference Manual
00809-1500-4975
Important
Once locked, the actions can be activated only when entering the correct password. The
manufacturer must be contacted to provide a one-time limited password within five
business days upon authorization.
3.9.6 4-20 Settings
Clicking the 4-20 Settings button opens a window showing current 4-20 settings. These
settings can be customized in accordance with the allowed nominal values.
Fault
BIT fault
FOV warning
Normal
Pre-alarm warning 13 – 16mA (should always be lower than alarm value)
Alarm
Once values are entered, click the OK button to save the changes.
3.9.7 Modbus
The Modbus Manager Settings screen is used to change COM port and the units
throughout the software.
Comport
Use this section to change the COM port as described in
Units
Use this section to change the units (i.e. metric or imperial) in which all measurements are
displayed.
Rosemount 975
0 or 1mA (if 0 is selected there will be no HART
Default: 1mA
Fixed value, cannot be changed
3 – 5mA (should always be ≤ the normal value)
Default: 4mA
4 or 5mA (should always be ≥ the FOV value)
Default: 4mA
Default: 16mA
15 – 20mA (should always be higher than warning)
Default: 20mA
®
Manager settings
Operation
®
communication)
Establish the COM port.
June 2021
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