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Table of Contents - TG Drives

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EXTENDED REGISTER GROUPS<br />

XENDAT.RPos<br />

18 ±31 bit R 0<br />

Referenced position, value =<br />

XENDAT.PosOffs.<br />

XENDAT.Pos -<br />

XENDAT.PosOffs 19 ±31 bit RW 0<br />

Position <strong>of</strong>fset between<br />

XENDAT.RPos.<br />

XENDAT.Pos and<br />

XENDAT.SerWrapCnt 20 ±31 bit RW 0<br />

Position <strong>of</strong>fset between<br />

XENDAT.SerPos.<br />

XENDAT.SerABSPos and<br />

XENDAT,<br />

This value can only be set to multiples <strong>of</strong> the ENDAT<br />

sensor capacity. Typical use is to set the home position<br />

with aid <strong>of</strong> external sensors if the ENDAT absolute<br />

range is not large enough.<br />

XENDAT.SinOffs 21 0..16384 RW 8192<br />

Offset calibration for ENDAT sine-signal.<br />

XENDAT.CosOffs 22 0..16384 RW 8192<br />

Offset calibration for endat cosine-signal.<br />

XENDAT.PosShift 23 0..11 RW 0<br />

i<br />

In ENDAT analog mode, or combined mode, this value<br />

is the number <strong>of</strong> bits from the evaluation <strong>of</strong> the analog<br />

sine and cosine signals that is added to the serial<br />

position data.<br />

This parameter does not affect the values that are<br />

used for commutation <strong>of</strong> the motor.<br />

The motor is commutated on the standard (nonextended)<br />

value from the ENDAT sensor. Motor.Ppr<br />

shall be set to the resolution the sensor has when<br />

XENDAT.PosShift is set to zero, and it is not to be<br />

changed when the XENDAT.PosShift is changed.<br />

Since this parameter changes the magnitude <strong>of</strong> speed<br />

and position sent into the regulator for a given<br />

mechanical movement, the regulator gain settings as<br />

well as motion pr<strong>of</strong>iles etc will have to be changed if the<br />

resolution <strong>of</strong> the sensor is changed.<br />

XENDAT.SerPosAge 24 0..32767 R<br />

Age(in milliseconds), <strong>of</strong> last serial position value from<br />

the Endta sensor (i<br />

XENDAT.SerTimeOut 25 0..32767 RW<br />

Timeout (in milliseconds), before a position error<br />

interurpt is set pending. (See<br />

Xendat.mode)<br />

User's Manual 5.1 Inmotion Technologies AB<br />

Doc. No.9032 0027 01 (B), Rev. 11.07.2001<br />

171

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