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7 SSI Input Units
NX-series Position Interface Units User’s Manual (W524)
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Select this method when the data format from the encoder is binary.
This method divides SSI data up into multi-turn data, single-turn data, and status data. The present
value of the encoder is then expanded to signed, 32-bit present value data from the multi-turn and sin-
gle-turn data according to the encoder resolution. This encoder present position and status data are
then both sent to the input area.
Additional Information
If the set value of the Encoder Resolution parameter is 0, the resolution is calculated as the
maximum value of the single-turn data plus 1.
Changing Binary Codes to Present Values
Valid SSI data (data after the bits are shifted)
Encoder present position (input area)
Status data (input area)
Multi-turn data
× Encoder resolution
+ +
+
+
+
-
Conversion to
Present Value
Previous binary data
Previous present value
Encoder present position (input area)
Single-turn data
Status data
Summary of Contents for NX-EC0112
Page 13: ...11 Manual Structure NX series Position Interface Units User s Manual W524...
Page 34: ...Revision History 32 NX series Position Interface Units User s Manual W524...
Page 36: ...Sections in this Manual 34 NX series Position Interface Units User s Manual W524...
Page 78: ...3 Part Names and Functions 3 8 NX series Position Interface Units User s Manual W524...
Page 108: ...4 Installation and Wiring 4 30 NX series Position Interface Units User s Manual W524 Unit...
Page 114: ...4 Installation and Wiring 4 36 NX series Position Interface Units User s Manual W524...
Page 126: ...5 I O Refreshing Methods 5 12 NX series Position Interface Units User s Manual W524...
Page 340: ...8 Pulse Output Units 8 76 NX series Position Interface Units User s Manual W524...
Page 462: ...Appendices A 74 NX series Position Interface Units User s Manual W524...
Page 463: ...I 1 I NX series Position Interface Units User s Manual W524 Index...
Page 466: ...I 4 NX series Position Interface Units User s Manual W524 Index...