Scanlab RTC6 PCIe Board - Page 977

RTC6 boards
Doc. Rev. 1.0.21 en-US
20 Appendix E: iDRIVE Scan Systems – Control Commands and Signals Transmitted to RTC Boards
977
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Code
HIGH
(hex)
12
As of scan system firmware  2072.
SetPositionScale
SetPositionScale causes the scan system to switch to a certain scaling factor. The scan system
servo electronics multiplies the position values received from the RTC board by this
scaling factor.
See also Chapter 8.1.7 ”Configuring the Effective Calibration”, page 222.
Important: The scaling factor needs to be changed in 2 steps: 1. Execute SetPositionScale with
Code
LOW
= 83
H
. 2. Execute SetPositionScale with Code
LOW
= [00
H
…03
H
] (= the desired
scaling factor). See also “On SetPositionScale”, Seite 983.
As of scan system firmware  5050.
Only SCANahead systems:
SCANahead systems do not support SetPositionScale. With SCANahead systems, the effective
calibration cannot be changed.
Code
LOW
(hex)
00 The scaling factor is set to the value 1/1 (= no scaling; default setting)
01 The scaling factor is set to the value 1/2
02 The scaling factor is set to the value 1/4
03 The scaling factor is set to the value 1/8
83 Make ready for scaling factor change.
Notice! Generic information. May be incomplete or even incorrect for your scan system.
Always consult the dedicated scan system manual!
Module Rev.1.0.4 en-US