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Appendices
A - 30
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 Encoder Counter Status object.
I/O Allocation Objects
Index
(hex)
Subin-
dex
(hex)
Object name
Default
Data range
Unit
Data type Access
I/O
allo-
cat-
ion
Data
attri-
bute
6000
---
Encoder Counter Status
---
---
---
---
---
---
---
00
Number of Entries
*1
*1. The values for the NX-EC0112, NX-EC0122, NX-EC0132, or NX-EC0142 are 1. The values for the NX-EC0212 or
NX-EC0222 are 2.
*1
---
USINT
RO
No
---
01
Ch1 Encoder Counter
Status
00 hex
00 to FF hex
---
BYTE
RO
Yes
---
02
Ch2 Encoder Counter
Status
*2
*2. This object does not exist on the NX-EC0112, NX-EC0122, NX-EC0132, and NX-EC0142.
00 hex
00 to FF hex
---
BYTE
RO
Yes
---
Bit
Status name
Description
0
Counter Enabled
0: Counter operating.
1: Counter stopped.
1
Internal Reset Completed
This is the completion flag for the Internal Reset Execution
bit of the Encoder Counter Operation Command variable.
0 to 1: Reset execution completed.
1 to 0: The Internal Reset Execution bit in the Encoder
Counter Operation Command variable is set to 0.
2
Internal Latch Completed
This is the completion flag for the Internal Latch Execution
bit of the Encoder Counter Operation Command variable.
0 to 1: Latch execution completed.
1 to 0: The Internal Latch Execution bit in the Encoder Coun-
ter Operation Command variable is set to 0.
3
Preset Completed
This is the completion flag for the Preset Execution bit of the
Encoder Counter Operation Command variable.
0 to 1: Preset execution completed.
1 to 0: The Preset Execution bit in the Encoder Counter
Operation Command variable is set to 0.
4
Preset Command Value Invalid Flag 1: Setting error occurred.
0: No setting errors occurred.
5
Counter Underflow Flag
1: Counter underflow error occurred.
0: Counter underflow error did not occur.
6
Counter Overflow Flag
1: Counter overflow error occurred.
0: Counter overflow error did not occur.
7
Count Direction Flag
This bit indicates the count direction based on the last pulse
input.
*1
1: Negative direction
0: Positive direction
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...