Emerson SI-DeviceNet User Manual page 66

11.5.3 DriveMode
Name:
Class
Instance
Attribute
DriveMode does not allow the operating mode of the drive to be changed. Pr 04.011 will
be written to as shown in Table 11.9, provided that the drive is already in the correct
operating mode.
Table 11.8 Get DriveMode
DriveMode
1
2
3
0
Table 11.9 Set DriveMode
DriveMode
0
1
2
3
4
5
11.5.4 SpeedActual
Name:
Class
Instance
Attribute
Returns the actual speed of the motor in RPM. The source of the motor speed depends
on the operating mode of the drive.
Get
Get
11.5.5 SpeedRef
Name:
Class
Instance
Attribute
Sets the speed reference in RPM. As the drive uses units of Hz for speed, these values
are converted when reading from or writing to this attribute.
Set
Get
Get/Set
66
DriveMode
0x2A
Default
0x01
Data Type
0x06
Access
Drive Mode
Open Loop Speed
Closed Loop Speed
Torque Control
User Defined
Drive Mode
Vendor Specific
Open Loop Speed
Closed Loop Speed
Torque Control
Process Control
Position Control
SpeedActual
0x2A
Default
0x01
Data Type
0x07
Access
Pr 05.004 (Open Loop)
Pr 03.002 (Closed Loop, Servo)
SpeedRef
0x2A
Default
0x01
Data Type
0x08
Access
Pr 01.021 = (RPM * Pole Pairs) / 6 (Open Loop)
RPM = (Pr 02.001 * 6) / Pole Pairs (Open Loop)
Pr 01.021 * 10 (Closed Loop, Servo)
USINT
Get/Set
Pr 11.031 Pr 04.011
0, 1 0
2, 3 0
N/A 1
4 0
Pr 11.031 Pr 04.011 Comment
4 N/A
Pr 11.031 will never be changed
0, 1 0
by setting the DriveMode
attribute. An error (0x10) will be
2, 3 0
generated if the requested
0, 1, 2, 3 1
DriveMode value corresponds to
N/A
the current drive operating mode.
N/A
USINT
Get
USINT
Get/Set
SI-DeviceNet User Guide
Issue Number: 2