EPA SM-Ethernet, User Manual

Page: 63 / 133

62
SM-Ethernet User Guide
Issue: 7
6.7.26 AC/DC Drive object
Class: 0x2A (42
10
)
The AC/DC Drive object provides information on the drive running state and supports
the following attributes:
AtReference
Indicates that the drive is running at the requested speed.
Get Pr 10.06
0 = Drive not running at requested speed.
1 = Drive running at requested speed.
NetRef
Selects the source of the speed reference.
Get/SetPr 6.42 bit 8
0 = analog speed reference.
1 = digital speed reference.
Table 6.32 AC/DC Drive object attributes
Attribute
ID
Name Access Parameter dependence
0x03 (3
10
)
AtReference Get Pr 10.06
0x04 (4
10
)
NetRef Get/Set Pr 6.42 (bit 8)
0x06 (6
10
)
DriveMode Get/Set (See Table 6.33 on page 63)
0x07 (7
10
)
SpeedActual Get
Closed Loop Pr 3.02
Open Loop Pr 5.04
0x08 (8
10
)
SpeedRef
Get/Set Closed Loop
Pr 1.21
(scaled to 0 decimal places)
Get Open Loop
Pr 1.21 * 60 / NofPP
(scaled to 0 decimal places)
Set Open Loop
Pr 1.21 = SpeedRef * NofPP / 60
(scaled to 0 decimal places)
0x0B (11
10
)
TorqueActual Get
Pr 4.20
(scaled to 1 decimal place)
0x0C (12
10
)
TorqueRef Get/Set
Pr 4.08
(scaled to 1 decimal place)
0x1D (29
10
)
RefFromNet Get
1 Pr 1.49 =3 AND Pr 1.50 =1
0 Pr 1.49 <>3 OR Pr 1.50 <>1
NofPP = Number of Pole Pairs.
NetRef can only be changed between local and remote when the drive is in speed control
mode. If a change is requested when in torque mode then an error code will be returned.
Name: AtReference
Class 0x2A Default N/A
Instance 0x01 Data Type USINT
Attribute 0x03 Access Get
Name: NetRef
Class 0x2A Default N/A
Instance 0x01 Data Type USINT
Attribute 0x04 Access Get/Set
NOTE
NOTE