Elmomc SimplIQ Command Reference Manuel d'utilisateur Page 17

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AB[N] – Absolute Encoder Setting Parameters
Purpose:
Configuration parameters for absolute sensor implementation of the SimplIQ drive series:
Command Description
AB[1] An absolute position resolution (number of abs. position readings) per
analog signal cycle.
AB[2]
For internal use only
AB[3] Bit-field value, see definitions below
AB[4] Absolute value direction:
0: Keep the original value as received from the sensor
1: Invert the original value. Absolute value for calculating absolute position
is AB[5] – absolute value.
AB[5] Maximum value of the absolute position sensor:
For rotation encoders - 2
(Single_Turn+Multi_Turn)
For linear encoders -
]6[
*]1[
AB
thSensorLengAB
AB[6] Signal Period Length in nm (0.001um) for linear encoders or Signal Periods
per Revolution for rotation encoders
The bit descriptions of AB[3] are summarized in the following table:
Bits Description
0…4 Single-Turn sensor resolution in bit
5…8 Multi-Turn sensor resolution in bit
1
9…12 Absolute Feedback Type:
Value
Type
0 Reserved
1 Absolute linear encoder
2 Single-Turn absolute rotary encoder
3 Multi-Turn absolute rotary encoder
4-15 Reserved
13…15 Serial Communication Interface
Value Interface
0 Reserved
1 EnDat 2.1 format (pure binary code)
2 HiperFace format (pure binary code)
3-7 Reserved
1
Only for multi-turn sensor type, otherwise zero
SimplIQ Command Reference Manual Alphabetical Listing
MAN-SIMCR (Ver. 4.5)
3-4
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