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9 Setting Up Slave Terminals
NX-series EtherCAT Coupler Unit User’s Manual (W519)
9-2 Setting Slave Terminal Parameters
9
9-2-4 I/O Allocation Information
Sysmac Error Status
The following table shows the structure of the bits in the Slave Terminal Sysmac error status. Some bits
also have their own I/O ports.
Refer to the manual for the specific NX Unit for details on the allocatable I/O data.
1 Select the Unit in the Edit Slave Terminal Configuration Tab Page.
The Unit Settings Pane is displayed for the selected Unit. The I/O entry name and data size are
displayed in the I/O allocation settings.
Data name Description
Sysmac Error Status This status gives the Sysmac error status for the EtherCAT Slave Terminal.
This is an OR of the error status of the EtherCAT Coupler Unit and NX Units.
TRUE: An error of the corresponding level exists.
FALSE: No error of the corresponding level exists.
Each bit is updated at the following times.
The status changes to TRUE when an error occurs.
The status changes to FALSE when the error is reset. Even if the cause of the
error has been removed, you must reset the error for the status to change to
FALSE.
Bit Data name Description I/O port
0 to 3 (Reserved) --- ---
4 Observation A monitoring error was detected in the Slave Termi-
nal.
Observation
5 Minor fault A minor fault was detected in the Slave Terminal. Minor Fault
6 (Reserved) --- ---
7 (Reserved) --- ---
Data Allocatable to I/O in NX Units
Viewing I/O Allocation Information
I/O entry name: Size
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