Power - Thermal Mgmnt Status Attrib

These are the power and thermal status-related attributes associated with a Motion Control Axis.

Motor Overload Protection Method

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Optional - XD	Get	T	USINT	-	-	-	Enumeration: 0 = First Order ThermalModel 1 = I2T Overload 2-127 = (reserved) 128-255 = (vendor specific) 128 = Second Order Thermal Model

The Motor Overload Protection Method attribute is an enumerated value indicates what motor overload protection method is being used by the CIP Motion device.

Thermal Model motor overload protection applies the measured motor current to an internal motor thermal model to detect a motor overload condition.

I²T Overload motor overload protection applies an I²T calculation when the motor current exceeds the product of the Motor Overload Limit and the Motor Rated Continuous Current that indicates a motor overload condition.

Inverter Overload Protection Method

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Optional- XD	Get	T	USINT	-	-	-	Enumeration: 0 = Thermal Model 1 = I²T Overload

This enumerated value indicates what inverter overload protection method is used by the CIP Motion device.

Thermal Model inverter overload protection applies the measured motor current to an internal inverter thermal model to detect an inverter overload condition.

I²T Overload inverter overload protection applies an I²T calculation once the inverter current exceeds the product of the Inverter Overload Limit and the Inverter Rated Continuous Current that indicates an inverter overload condition.

Converter Overload Protection Method

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Optional- BD	Get	T	USINT	-	-	-	Enumeration: 0 = Thermal Model 1 = I²T Overload

This enumerated value indicates what converter overload protection method is being used by the CIP Motion device.

Thermal Model converter overload protection applies the measured converter current to an internal converter thermal model to detect a converter overload condition.

I²T Overload converter overload protection applies an I²T calculation once the converter current exceeds the converter overload current limit that indicates a converter overload condition.

Bus Regulator Overload Protection Method

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Optional- XBD	Get	T	USINT	-	-	-	Enumeration: 0 = Thermal Model 1 = I²T Overload

This enumerated value indicates what bus regulator overload protection method is used by the CIP Motion device.

Thermal Model converter overload protection applies the measured bus regulator current to an internal bus regulator thermal model to detect a bus regulator overload condition.

I²T Overload bus regulator overload protection applies an I²T calculation once the bus regulator current exceeds the factory set bus regulator overload current limit that indicates a bus regulator overload condition.

Motor Capacity

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Required - XD !LTM	Get	T	REAL	-	-	-	% Motor Rated

The Motor Capacity attribute is the real-time estimate of the continuous rated motor thermal capacity used during operation based on the motor thermal model. A 100% value indicates that the motor is used at 100% of rated capacity as determined by the continuous current rating of the motor. If the drive device applies I²T overload protection instead of thermal mode-based overload protection, the Motor Capacity value is zero until the motor current exceeds the product of the Motor Overload Limit and the Motor Rated Continuous Current. Once in an overload condition the Motor Capacity increases from 0 according to the I²T calculation. A value of 100% indicates the drive uses up 100% of the motor's I²T overload capacity.

The Motor Overload Protection Method attribute indicates that the motor overload protection method applied by the drive device.

Inverter Capacity

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Required – XD !LTM	Get	T	REAL	-	-	-	% Inverter Rated

The Inverter Capacity attribute is the real-time estimate of the continuous rated inverter thermal capacity used during operation based on the inverter thermal model. A value of 100% indicates that the inverter is 100% of rated capacity as determined by the continuous current rating of the inverter. If the drive device applies I²T overload protection rather than thermal model-based overload protection, the Inverter Capacity value is zero until the inverter current exceeds the product of the factory set Inverter Overload Limit and the continuous current rating of the inverter. Once in an overload condition the Inverter Capacity increases from 0 according to the I²T calculation. A value of 100% indicates that the drive uses up 100% of the inverter's I²T overload capacity.

The inverter overload protection method applied by the drive device is indicated by the Inverter Overload Protection Method attribute.

Converter Capacity

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Optional - BD	Get	T	REAL	-	-	-	% Converter Rated

The Converter Capacity attribute is the real-time estimate of the continuous rated converter thermal capacity used during operation based on the converter thermal model. A value of 100% indicates that the converter is used at 100% of rated capacity as determined by the continuous current rating of the converter. If the CIP Motion device applies I²T overload protection rather than thermal model-based overload protection, the Converter Capacity value is zero until the converter current exceeds its factory set overload current rating. Once in an overload condition the Converter Capacity increases from 0 according to the I²T calculation. A value of 100% in this case indicates that the converter has used up 100% of its I²T overload capacity.

The converter overload protection method applied by the device is indicated by the Converter Overload Protection Method attribute.

Bus Regulator Capacity

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Optional - XBD	Get	T	REAL	-	-	-	% Regulator Rated

The Bus Regulator Capacity attribute is the real-time estimate of the continuous rated bus regulator thermal capacity used during operation based on the bus regulator thermal model. A value of 100% indicates that the bus regulator is used at 100% of rated capacity as determined by the continuous current rating of the bus regulator.

If the CIP Motion device applies I²T overload protection, the Bus Regulator Capacity value is zero until the bus regulator current exceeds its factory set overload current rating. In an overload condition, the Bus Regulator Capacity increases from 0 according to the I²T calculation. A value of 100% in this case indicates that the bus regulator has used 100% of its I²T overload capacity.

The Bus Regulator Overload Protection Method attribute indicates the bus regulator overload protection applied by the device.

Ambient Temperature

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Optional - XBD	Get	T	REAL	-	-	-	Degrees C

The Ambient Temperature is the current internal ambient temperature of the device enclosure.

Inverter Heatsink Temperature

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Optional - XD	Get	T	REAL	-	-	-	Degrees C

The Inverter Heatsink Temperature is the current temperature of the device’s inverter heatsink, typically based on an embedded temp sensor.

Inverter Temperature

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Optional - XD	Get	T	REAL	-	-	-	Degrees C

The Inverter Temperature is the current temperature of the power block used in the inverter’s power structure, sometimes referred to as the semiconductor junction temperature.

Motor Temperature

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Optional - XD	Get	T	REAL	-	-	-	Degrees C

The Motor Temperature is the current temperature of the motor stator, typically based on an embedded temp sensor.

Feedback 1 Temperature

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Optional - XE	Get	T	REAL	-	-	-	Degrees C

The Feedback 1 Temperature is the current temperature of the Feedback 1 device.

Feedback 2 Temperature

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Optional - E	Get	T	REAL	-	-	-	Degrees C

The Feedback 2 Temperature is the current temperature of the Feedback 2 device.

Inverter Overload Limit

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Optional - XD	Get	T	REAL	-	-	-	% Inverter Rated

The Inverter Overload Limit is the factory-set limit for Inverter capacity. Exceeding the Inverter Overload Limit for drives applying to an I²T inverter overload protection method causes:

An overload condition

Activates I²T overload protection.

If the inverter overloads, the Inverter Capacity attribute value increases to show the level of utilization of the inverters available I²T overload capacity. The drive optionally triggers as an Inverter Overload Action when the Inverter Capacity reaches 100% of its rated capacity.

When employing an overload protection method based on an inverter thermal model:

The Inverter Capacity attribute value represents how much the rated thermal capacity of the inverter associated with the inverter thermal model is used.

The drive optionally triggers a predetermined Inverter Overload Action when the Inverter Capacity value exceeded the Inverter Overload Limit.

A drive also uses the Inverter Overload Limit to determine the absolute thermal capacity limit of the inverter. If exceeding the capacity, the absolute thermal capacity generates an Inverter Thermal Overload FL exception.

Converter Temperature

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Optional - B	Get	T	REAL	-	-	-	Degrees C

The Converter Temperature is the measured temperature of the power block used in the converter’s power structure, sometimes referred to as the semiconductor junction temperature.

Converter Temperature Capacity

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Optional - B	Get	T	REAL	-	-	-	%

The Converter Temperature Capacity is the power block temperature of the converter as a percentage of the maximum operational temperature range of the power block. The 100% value indicates that the converter power block is 100% of the rated temperature range. Define Converter Overtemperature Capacity as:

% = (T-T_min)/(T_max-T_min)

Where,

T = Power block temperature

T_min = Minimum rated power block temperature.

T_max = Maximum rated power block temperature.

Converter Heatsink Temperature

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Optional - B	Get	T	REAL	-	-	-	Degrees C

The Converter Heatsink Temperature attribute is the measured temperature of the converter's power structure heatsink.

Converter Heatsink Temperature Capacity

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Optional - B	Get	T	REAL	-	-	-	%

The Converter Heatsink Temperature Capacity attribute is the power structure heatsink temperature of the converter. It is a percentage of the maximum operational temperature range of the heatsink of the converter. A 100% value indicates that the heatsink is 100% of the rated temperature range.

Define the Heatsink Overtemperature Capacity:

% = (T-T_min)/(T_max-T_min)

Where,

T = Heatsink temperature

T_min = Minimum rated heatsink temperature.

T_max = Maximum rated heatsink temperature.

AC Line 1 Capacity

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Optional - G	Get	T	REAL	-	-	-	% Converter Rated

The AC Line 1 Capacity attribute is the real-time estimate of the continuous rated converter thermal capacity for AC Line 1 (Phase R) used during operation based on the converter thermal model. A value of 100% would indicate that the converter components on Line 1 are being used at 100% of rated thermal capacity for this phase.

If the CIP Motion device applies I2T overload protection rather than thermal model-based overload protection, the AC Line 1 Capacity value is zero until the converter current exceeds its factory set overload current rating. Once in an overload condition the AC Line 1 Capacity increases from 0 according to the I2T calculation. A value of 100% in this case indicates that the converter has used up 100% of its I2T overload capacity for this phase.

The converter overload protection method applied by the device is indicated by the Converter Overload Protection Method attribute.

AC Line 2 Capacity

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Optional - G	Get	T	REAL	-	-	-	% Converter Rated

The AC Line 2 Capacity attribute is a real-time estimate of the continuous rated converter thermal capacity for AC Line 2 (Phase S) used during operation based on the converter thermal model. A value of 100% would indicate that the converter components on Line 2 are being used at 100% of rated thermal capacity for this phase.

If the CIP Motion device applies I2T overload protection rather than thermal model-based overload protection, the AC Line 2 Capacity value is zero until the converter current exceeds its factory set overload current rating. Once in an overload condition the AC Line 2 Capacity increases from 0 according to the I2T calculation. A value of 100% in this case indicates that the converter has used up 100% of its I2T overload capacity for this phase.

The converter overload protection method applied by the device is indicated by the Converter Overload Protection Method attribute.

AC Line 3 Capacity

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Optional - G	Get	T	REAL	-	-	-	% Converter Rated

The AC Line 3 Capacity attribute is a real-time estimate of the continuous rated converter thermal capacity for AC Line 3 (Phase T) used during operation based on the converter thermal model. A value of 100% would indicate that the converter components on Line 3 are being used at 100% of rated thermal capacity for this phase.

If the CIP Motion device applies I2T overload protection rather than thermal model-based overload protection, the AC Line 3 Capacity value is zero until the converter current exceeds its factory set overload current rating. Once in an overload condition the AC Line 3 Capacity increases from 0 according to the I2T calculation. A value of 100% in this case indicates that the converter has used up 100% of its I2T overload capacity for this phase.

The converter overload protection method applied by the device is indicated by the Converter Overload Protection Method attribute.

Converter Overload Limit

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Optional - G	Get	T	REAL	-	-	-	% Converter Rated

The Converter Overload Limit attribute is a factory set maximum limit for Converter Capacity that when exceeded triggers the selected Converter Overload action.

If the drive applies an I²T converter overload protection method, then exceeding the specified Convert^er Overload Limit results in an overload condition and activates I²T overload protection. While the converter is overloaded, the Converter Capacity attribute value increases to indicate how much of the converters available I²T overload capacity has been utilized. When Converter Capacity reaches 100% of its rated capacity, the drive can optionally trigger a Converter Overload Action.

When employing an overload protection method based on a converter thermal model, the Converter Capacity attribute value represents how much of the converter’s rated thermal capacity, associated with the converter thermal model, has been used. Once the Converter Capacity value exceeds the Converter Overload Limit, the drive can optionally trigger a predetermined Converter Overload Action.

The Converter Overload Limit can also be used by the drive to determine the absolute thermal capacity limit of the converter, that is, the Converter Thermal Overload Factory Limit, which if exceeded, generates a Converter Thermal Overload FL exception.

The configured Converter Overload Limit also applies to Converter L1, L2, and L3 Capacity, any of which are exceeded also results in a Converter Thermal Overload FL exception.

Track Section Coil n Capacity

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Optional - X	Get	T	REAL	-	-	-	% Coil Rated

The Track Section Coil n Capacity attribute is a real-time estimate of the continuous rated coil thermal capacity for the track section coil thermal model for coil n where n ranges from 1 to 12. A 100% value indicates that the coil is used at 100% of its rated thermal capacity.

Motor Overload Action

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Optional - XD	Set	T	USINT	-	-	-	Enumeration: 0 = None (R) 1 = Current Foldback (O) 2-127 = (reserved) 128-255 = (vendor specific)

The Motor Overload Action attribute selects the device's response to a motor overload condition based on an I2^T or motor thermal model-based overload protection method. When a motor thermal model is employed, the motor overload condition occurs when the motor thermal model indicates that the Motor Capacity has exceeded the Motor Overload Limit. In the case of the I2T overload protection method, the motor overload condition occurs when the motor current, in percent of rated continuous motor current, exceeds the Motor Overload Limit.

The Motor Overload Action provides opportunities to mitigate the overload condition without stopping operation.

Motor Overload Action functionality is independent of the motor overload exception action functionality.

No explicit action is taken by the device in the overload condition if None is the selected overload action. Selecting the Current Foldback action, however, results in a reduction of motor current in proportion to the percentage difference between Motor Capacity and the Motor Overload Limit, or in the case of the I2T overload protection method, in proportion to the difference between the motor current, in percent of rated continuous motor current, and the Motor Overload Limit.

Inverter Overload Action

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Optional - XD	Set	T	USINT	-	-	-	Enumeration: 0 = None (R) 1 = Current Feedback (O) 2-127 = (reserved) 128-255 = (vendor specific) 128 = Reduce PWM Rate 129 = PWM - Foldback

The Inverter Overload Action attribute selects the device's response to an inverter overload condition based on an I²T or inverter thermal model-based overload protection method. When an inverter thermal model is employed, the inverter overload condition occurs when the inverter thermal model indicates that the Inverter Capacity has exceeded the Inverter Overload Limit. In the case of the I²T overload protection method, the inverter overload condition occurs when the inverter current, in percent of rated continuous inverter current, exceeds the Inverter Overload Limit.

The Inverter Overload Action provides opportunities to mitigate the overload condition without stopping operation.

Inverter Overload Action functionality is independent of the inverter overload exception action functionality.

An overload alarm condition can also be generated by exceeding the limits of the device’s power block thermal model that includes switching losses that have a dependency on the PWM Frequency.

No explicit action is taken by the device in the overload condition if None is the selected overload action. Selecting the Current Foldback action, however, results in a reduction of the inverter current in proportion to the percentage difference between the Inverter Capacity and the Inverter Overload Limit, or in the case of the I²T overload protection method, in proportion to the difference between the inverter current, in percent of rated continuous inverter current, and the Inverter Overload Limit.

If an inverter overload condition occurs due to the power block thermal model, two additional overload actions can be applied. Selecting Reduce PWM Rate can be used to reduce heat generated by switching losses in the inverter power structure. When PWM –Foldback is selected the device first reduces the PWM rate and then, if necessary, reduces the Inverter Thermal Current Limit.

Duty Select

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Optional - XBD	Set	T	USINT	-	-	-	Enumeration: 0 = Normal (R) 1 = Heavy (O) 2 = Light (O) 3-255 = (reserved)

The Duty Select attribute indicates the duty level of the drive application and balances the continuous and intermittent overload capacity of the drive and motor.

Use Normal Duty for nominal continuous rating and nominal overload capacity

Use Heavy Duty for the highest overload capacity with a lower continuous rating

Use Light Duty for the highest continuous rating with a lower overload capacity

Use Duty Select to determine the level of thermal protection for the motor and the inverter during drive operation.

Converter Overload Action

Usage	Access	T	Data Type	Default	Min	Max	Semantics of Values
Optional - G	Set	T	USINT	-	-	-	Enumeration: 0 = None (R) 1 = Current Foldback (O) 2 -127 = (reserved) 128-255 = (vendor specific)

The Converter Overload Action attribute selects the device's response to a converter overload condition based on an I²T or conver^ter thermal model-based overload protection method. When a converter thermal model is employed, the converter overload condition occurs when the converter thermal model indicates that the Converter Capacity has exceeded the Converter Overload Limit. In the case of the I²T overload protection method, the converter overload condition occurs when the converter current, in percent of rated continuous converter current, exceeds the Converter Overload Limit.

The Converter Overload Action provides opportunities to mitigate the overload condition without stopping operation.

Converter Overload Action functionality is independent of the converter overload exception action functionality.

An overload alarm condition can also be generated by exceeding the limits of the device’s power block thermal model that includes switching losses that have a dependency on the PWM Frequency.

No explicit action is taken by the device in the overload condition if None is the selected overload action. Selecting the Current Foldback action, however, results in a reduction of the converter current in proportion to the percentage difference between the Converter Capacity and the Converter Overload Limit, or in the case of the I2T overload protection method, in proportion to the difference between the converter current, in percent of rated continuous converter current, and the Converter Overload Limit.

In addition to the configured Converter Overload Action being triggered by a Converter Overload condition, the configured Converter Overload Action can also be triggered by Converter L1, L2, or L3 Overload conditions.

CIP Axis Attributes

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