JOHNSON CONTROLS
44
FORM 160.84-OM1
ISSUE DATE: 9/21/2017
SECTION 3 - OPTIVIEW™ CONTROL CENTER FUNCTIONS AND NAVIGATION
W24 Position
Displays the shaft position in micrometers from center
along the radial axis designated “W” for the Opposite
Impeller End Bearing.
W2 (Current)
Displays the magnetizing current to the upper bearing
on the radial axis designated “W” for the Opposite Im-
peller End.
W4 (Current)
Displays the magnetizing current to the lower bearing
on the radial axis designated “W” for the Opposite Im-
peller End.
V2 (Current)
Displays the magnetizing current to the upper bearing
on the radial axis designated “V” for the Opposite Im-
peller End.
V4 (Current)
Displays the magnetizing current to the lower bearing
on the radial axis designated “V” for the Opposite Im-
peller End.
Z2 (Current)
Displays the magnetizing current to the axial bearing at
the Opposite Impeller End.
MBC Control Mode
Displays whether the MBC is in Manual or Automatic
Control.
Command
Displays the OptiView state command to the MBC
[MBC Status] Levitation Mode (LED)
Indicates the MBC is reporting itself in Levitated status
via Modbus Data.
[MBC Status] Rotation Mode (LED)
Indicates the MBC is reporting itself in Rotation mode
via Modbus Data.
[MBC Status] MBC Alarm (LED)
Indicates the MBC is reporting a shutdown fault via
Modbus Data.
[MBC Outputs] MBC Alive (LED)
Indicates the MBC Alive allowed contacts are closed
by the control Digital Input.
[MBC Outputs] Rotation Allowed (LED)
Indicates the MBC Rotation Allowed contacts are
closed by the control Digital Input.
[MBC Outputs] MBC Fault (LED)
Indicates the MBC Fault Contacts are opened, indicat-
ing a fault, by the control Digital Input.
Motor Speed
Indicates the compressor motor rotational speed.
MBC Input Voltage
Indicates voltage supply to the MBC.
Rotor Elongation
Indicates the thermal growth of the motor shaft as de-
termined by the difference in the low stage impeller
end position sensor and the opposite end position sen-
sor.
Motor Housing Temperature
Indicates the motor housing temperature measured
from a thermistor inserted in the motor housing.
NAVIGATION
Home
Causes immediate return to the Home Screen.
Compressor
Causes immediate transfer to the Compressor Screen.
MBC Details
Moves to the subscreen showing additional detailed
MBC parameters.
MBC Event Log
Moves to the subscreen showing the MBC collection
of event history logs.
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