Dmtamb, Dmtd – Parker Hannifin 88-021610-01G User Manual

Page 105

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Parker Hannifin

Chapter 6 Command Reference 105

DMTAMB

Motor Ambient Temperature

Type

Motor

Product Rev

Syntax

<a_>DMTAMB<r>

Aries 1.0

Units

r = Degrees Celsius

Range

-5Ш.ШШ to 25Ш.ШШ : ±Ш.Ш1

Default

4Ш.Ш

Response

DMTAMB: <*>4Ш.Ш

See Also

DMTMAX

,

DMTRWC

,

DMTTCM

,

DMTTCW

The DMTAMB command sets the motor ambient temperature used by the
software motor thermal model. The DMTAMB value, in conjunction with the
motor thermal time constant (DMTTCM), the motor winding time constant
(DMTTCW), the motor thermal resistance (DMTRWC) and the continuous motor
current (DMTIC), is used in a real-time estimation of the motor winding
temperature. When the winding temperature exceeds DMTMAX, the drive
faults and reports E35–Motor Thermal Fault.

DMTD

Motor Damping

Type

Motor

Product Rev

Syntax

<a_><!>DMTD<r> (does not take effect until RESET or
cycle power)

Aries 2.0

Units

Rotary motor: r = uNm/rad/sec
Linear motor: r = N/meter/sec

Range

Rotary motor: Ш.ШШШШШШ to 1ШШШШ : ±1
Linear motor: DMEPIT (electrical pitch) dependent

Default

Ш.ШШШШШШ

Response

DMTD: *DMTD2ØØ

See Also

DMTR

Note:

This command does not take effect until you cycle power to the drive,

or send the

RESET

command.

Auto-Setup

: When using a Parker motor and the Aries Support Tool, this

command is automatically set for the selected motor.
If you did not use the Aries Support Tool, are using non-Parker motors, or
sent an RFS command to the drive, the parameter is set to zero (0)—you

must manually set this parameter to a non-zero number.
For a list of auto-configured commands, see

DMTR

.

The DMTD command specifies the damping of the motor itself. This includes

both magnetic losses and bearing losses.

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