Toshiba DEV001Z manual AC Drive Object Class Attributes, AC Drive Object Instance Attributes

E6581268 ①

3.8.AC Drive Object

Class code 0x2A. This object models the functions specific to an AC Drive. e.g. speed ramp, torque control etc

3.8.1.AC Drive Object Class Attributes

Attribute	Name	Data	Access	Description	Default
ID		Type	Rules		Value
1	Revision	UINT	Get	Revision of this object	1
				Maximum instance number of an object
2	Max instance	UINT	Get	currently created in this class level of	1
				the device

3.8.2.AC Drive Object Instance Attributes

Attribute	Name	Data	Access		Description	Default
ID		Type	Rules			Value
1	Number of Attributes	USINT	Get	Number of Attributes supported		11
2	Attribute List	USINT	Get	List of Attributes supported		-
		(ARRAY)
				1	= Drive actual at reference (speed or
3	At Reference	BOOL	Get			-
				torque reference) based on mode
				Requests torque or speed reference to
				be local or from network.
				0	= Set Reference not DN Control
4	Net Reference	BOOL	Get/Set	1	= Set Reference at DN Control	-
				Note that the actual status of torque or
				speed reference is reflected in atrribute
				29, RefFromNet.
				0	= Vendor specific mode
				1	= Open loop speed (Frequency)
6	Drive Mode	USINT	Get	2	= Closed loop speed control	-
				3	= Torque control
				4	= Process control (e.g. PI)
				5	= Position control
7	Speed Actual	INT	Get	Actual drive speed (best approximation)		-
				Units: min-1
8	Speed Reference	INT	Get/Set	Speed reference		-
				Units: min-1
9	Current Actual	INT	Get	Actual motor phase current		-
				Units: 100mA
				Acceleration time
18	Accel Time	UINT	Get/Set	Time from 0 to High Speed Limit		-
				Units: ms
19	Decel Time	UINT	Get/Set	Deceleration time		-
				Time from High Speed Limit to 0
				Units: ms
21	High Speed Limit	UINT	Get/Set	Maximum speed limit		-
				Units: min-1
				Status of torque/speed reference
29	Ref From Net	BOOL	Get	0	= Local torque/speed reference	-
				1	= Devicenet torque/speed reference
3.8.3. AC Drive Object Common Services

Service	Service Name	Supported		Description of Service
Code		Class	Instance
0x0E	Get_Attribute_Single	Yes	Yes	Returns the contents of the specified attribute.
0x10	Set_Attribute_Single	N/A	Yes	Modifies the value of the specified attribute.

3.8.4. AC Drive Object Specific Services

The AC/DC Drive Object provides no object specific services.

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