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October 2018
Reference Manual
00809-0100-2460, Rev DE
D.2
Servo states
The table below shows the different servo commands and servo states shown when using a Rosemount
2460 System Hub.
The Raise, Freeze and Lower servo states refer to the displacer movement.
Table D-1. Servo command and servo state displayed by the 2460
Note
When a servo command is active and the displacer is moving, the active device communication is
prioritized.
OPC and Modbus
The current servo command is viewable via OPC or Modbus from a host computer.
To view the servo command status via OPC, use the
TK.xx.LL.SS
tag.
Servo Command
Displayed servo state in Windows
Rosemount 2460 System Hub
Up
Freeze
Down
Park (Lock/Stow)
P
F
-
Freeze (Block)
-
F
-
Measure (Unlock/Unstow)
-
-
T
Test
T
-
T
Search for water level
-
-
D
Water found
-
W
-
Quit water
T
-
-
Содержание Rosemount 2460
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