Emerson Unidrive M700 - Page 176

176 SI-Ethernet User Guide
Issue: 1
Table 7.33 AC/DC Drive object DriveMode attribute (Set)
SpeedActual
Returns the actual speed of the motor in RPM. The source of the motor speed depends
on the operating mode of the drive.
Get Pr 0.05.004 (Open Loop).
Get Pr 0.03.002 (Closed Loop).
Access
DriveMode Actual
Drive
Mode
Action
Value Mode
Set
0 User Defined Don’t care Return Invalid Attribute Value’ (0x09)
1
Open Loop
Speed
Open-loop Pr 0.04.011 = Speed control mode (0)
RFC-A
or
RFC-S
or
Regen
Return ‘Drive state conflict’ error (0x10)
2
Closed Loop
Speed
RFC-A
or
RFC-S
Pr 0.04.011 = Speed control mode (0)
Open-loop
or
Regen
Return ‘Drive state conflict’ error (0x10)
3
Torque
Control
Open-loop
or
RFC-A
or
RFC-S
Pr 0.04.011 = Torque control mode (1)
Regen Return ‘Drive state conflict’ error (0x10)
Pr 0.11.031 will never be changed by setting the DriveMode attribute. An error (0x10) will
be generated if the requested DriveMode value does not correspond to the current
DriveType operating mode.
Name: SpeedActual
Class 0x2A Default N/A
Instance 0x01 Data Type USINT
Attribute 0x07 Access Get
NOTE