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Appendices
A - 44
NX-series Position Interface Units User’s Manual (W524)
The following objects are assigned to I/O or used in message communications.
If you assign any of the objects that are described below to I/O, you can no longer access those objects
with the Read NX Unit Object instruction or the Write NX Unit Object instruction.
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.
• The following table shows the bit configuration of the SSI Status object.
Additional Information
The error status in the SSI Status object and the SSI Communications Error Code object are
both set to 0 when the data is received without an error.
I/O Allocation Objects
Index
(hex)
Subin-
dex
(hex)
Object name
Default
Data range
Unit
Data type Access
I/O
alloca-
tion
Data
attri-
bute
6000
---
SSI Status
---
---
---
---
---
---
---
00
Number of Entries
*1
*1. The values for the NX-ECS112 are 1. The values for the NX-ECS212 are 2.
*1
---
USINT
RO
No
---
01
Ch1 SSI Status
00 hex
00 to FF hex
---
BYTE
RO
Yes
---
02
Ch2 SSI Status
*2
*2. This object does not exist on the NX-ECS112.
00 hex
00 to FF hex
---
BYTE
RO
Yes
---
Bit
Status name
Description
0
Data Refresh Status
This bit indicates when the position data changes from its
previous value. This bit toggles between 0 and 1 every time
the data changes.
1
SSI Communications Error Status
1: Error occurred.
0: No errors occurred.
2
SSI Communications Enabled
*1
*1. The status of this bit depends on the value of the SSI Communications Enable bit in the SSI Operation
Command object. Refer to
on page 7-35 for information on the SSI Operation
Command object.
1: SSI communications enabled.
0: SSI communications disabled.
Index
(hex)
Subin-
dex
(hex)
Object name
Default
Data range
Unit
Data type Access
I/O
allo-
cat-
ion
Data
attri-
bute
6002
---
Encoder Present Position
---
---
---
---
---
---
---
00
Number of Entries
*1
*1. The values for the NX-ECS112 are 1. The values for the NX-ECS212 are 2.
*1
---
USINT
RO
No
---
01
Ch1 Encoder Present
Position
0
−
2147483648 to
2,147,483,647
---
DINT
RO
Yes
---
02
Ch2 Encoder Present
Position
*2
*2. This object does not exist on the NX-ECS112.
0
−
2147483648 to
2147483647
---
DINT
RO
Yes
---
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...