Intelligent Motion Systems MDrive AC Plus 34, Руководство по эксплуатации

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MDriveAC Plus Microstepping Hardware - Revision R052506
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Appendices
C
t1
t2
Po
X Y
Z
2.4 V
0.4 V
2.4 V
0.4 V
2.4 V
0.4 V
2.4 V
0.4 V
2.4 V
0.4 V
2.4 V
0.4 V
Channel A +
Channel B +
Index +
Channel A -
Channel B -
Index -
Rotation:
CW – B Leads A
CCW – A Leads B
(C) One Cycle: 360 electrical degrees (°e)
(X/Y) Symmetry: A measure of the relationship between X and Y, nominally 180°e.
(Z) Quadrature: The phase lag or lead between channels A and B, nominally 90°e.
(Po) Index Pulse Width: Nominally 90°e.
Encoder Signals
Differential Encoder
C h a r a c t e r i s t i c s
Parameter Symbol Min Typ Max Units
Cycle Error................................................................................................ 3.................... 5.5.................°e
Symmetry............................................................................. 130............ 180..................230 ................°e
Quadrature............................................................................ 40.............. 90...................140 ................°e
Index Pulse Width..............................................Po .............. 60.............. 90...................120 ................°e
Index Rise After CH B or CH A fall................... t1..............-300 ........... 100..................250 ................ns
Index Fall After CH A or CH B rise ................... t2............... 70............. 150.................1000 ...............ns
Over recommended operating range. Values are for worst error over a full rotation.
Figure D.2: Differential Encoder Signal Timing
Note: Rotation is as viewed from the cover side.