![background image](http://html1.mh-extra.com/html/omron/nx-ec0112/nx-ec0112_user-manual_742777236.webp)
7 SSI Input Units
7 - 30
NX-series Position Interface Units User’s Manual (W524)
7-7
I/O Data Specifications
This section describes the data items that you can allocate to I/O, the data configurations, and the axis
settings.
You can assign the following 7 data items to the I/O for an SSI Input Unit.
The data items are described in the following sections.
Additional Information
You can use the Read NX Unit Object instruction or the Write NX Unit Object instruction to
access data that is not assigned as I/O. You use index numbers with these instructions.
Refer to the
NJ/NX-series Instructions Reference Manual
(Cat. No. W502) for information on
the Read NX Unit Object instruction or the Write NX Unit Object instruction.
For the index numbers, refer to
The data items that you can allocate to I/O for a One-input Unit are listed in the following table.
7-7-1
Data Items for Allocation to I/O
NX-ECS112
Area
Data item
Size
(bytes)
Data type
Default
*1
*1. The
Default
column shows the data item that are set when the Unit is shipped from the factory. You can allocate
other data items.
MC Function
Module PDO
*2
*2. These PDOs are required to use the MC Function Module.
Input
SSI Status
1
BYTE
Yes
SSI Communications Error Code
1
BYTE
Yes
Encoder Present Position
4
DINT
Yes
Yes
Status Data
4
DWORD
Yes
Encoder Present Position Refresh
Count
2
UINT
Time Stamp
*3
*3. An EtherCAT Coupler Unit with unit version 1.1 or later is required.
8
ULINT
Output
SSI Operation Command
2
WORD
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...