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7 SSI Input Units
7 - 34
NX-series Position Interface Units User’s Manual (W524)
The bit configuration of the Status Data parameter is given in the following table.
n: Channel number
The bit configuration of the Encoder Present Position Refresh Count parameter is given in the following
table.
n: Channel number
The bit configuration of the Time Stamp parameter is given in the following table.
on page 7-56 for details on time stamps.
Note An EtherCAT Coupler Unit with unit version 1.1 or later is required.
n: Channel number
Status Data
Byte
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
STDn (Chn Status Data LL)
+
1
STDn (Chn Status Data LH)
+
2
STDn (Chn Status Data HL)
+
3
STDn (Chn Status Data HH)
Abbr.
Data
Description
STDn
Chn Status Data
This contains the status data obtained from the encoder for channel n.
Encoder Present Position Refresh Count
Byte
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
CVRn (Chn Encoder Present Position Refresh Count L)
+
1
CVRn (Chn Encoder Present Position Refresh Count H)
Abbr.
Data
Description
CVRn
Chn Encoder Present Position
Refresh Count
This bit is incremented by 1 every time the present value of chan-
nel n is refreshed.
The value returns to 0 after it exceeds 65,535.
Time Stamp
Byte
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
TMSn (Chn Time Stamp, 1st byte)
+
1
TMSn (Chn Time Stamp, 2nd byte)
+
2
TMSn (Chn Time Stamp, 3rd byte)
+
3
TMSn (Chn Time Stamp, 4th byte)
+
4
TMSn (Chn Time Stamp, 5th byte)
+
5
TMSn (Chn Time Stamp, 6th byte)
+
6
TMSn (Chn Time Stamp, 7th byte)
+
7
TMSn (Chn Time Stamp, 8th byte)
Abbr.
Data
Description
TMSn
Chn Time Stamp
Contains the time stamp for when Chn changed.
It stores the DC time. (Unit: ns)
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...