Control Techniques SM-Encoder Plus, Руководство пользователя

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30
SM-Encoder Plus User Guide
www.controltechniques.com Issue Number: 3
Each time the marker becomes active, the non-marker position values (Pr x.29 and Pr
x.30 ) are sampled and stored in Pr x.32 and Pr x.33 .
This Solutions Module does not have its own freeze input, therefore the freeze input
must come from a SM-Applications or SM-Universal Encoder Plus. The freeze data is
processed every 4ms x number of dumb modules fitted. If a freeze has occurred and the
freeze flag (Pr
x.39 ) is zero, the position data is stored in Pr x.35 and Pr x.36 and the
freeze flag is set. The freeze flag must be reset by the user before the next freeze event
is stored.
At power-up Pr x.45 is initially OFF (0), but is set to On (1) when the SM-Encoder Plus
x.32 Marker revolution counter
RO Uni NC PT
Ú
0 to 65,535 revolutions
Ö
Update rate: 4ms x number of dumb modules
x.33 Marker position
RO Uni NC PT
Ú
0 to 65,535 (1/2
16
ths of a
revolution)
Ö
Update rate: 4ms x number of dumb modules
x.35 Freeze revolution counter
RO Uni NC PT
Ú 0 to 65535 revolutions Ö
Update rate: 4ms x number of dumb modules
x.36 Freeze position
RO Uni NC PT
Ú
0 to 65535 (1/2
16
ths of a
revolution)
Ö
Update rate: 4ms x number of dumb modules
x.39 Freeze flag
RW Bit NC
Ú
OFF (0) or On (1)
Ö
OFF (0)
Update rate: 4ms x number of dumb modules
x.45 Position feedback initialised
RO Bit NC PT
Ú
OFF (0) or On (1)
Ö
Update rate: 4ms x number of dumb modules