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183
Axis Operating Input Memory Areas
Section 4-8
Input
(PCU
to CPU
Unit)
b+3
00
External I/O
status
Forward rotation limit
input
Returns the status of I/O sig-
nals for each axis.
1: Signal valid
0: Signal invalid
The external I/O status shows
the enabled/disabled status of
signals used for PCU control.
This status is different from
the electrical ON/OFF status
of the I/O signals.
4-8-5 External I/O
Status Bits
01
Reverse rotation limit
input
02
Origin proximity input
03
Encoder Phase A
input
04
Encoder Phase B
input
05
Encoder Phase Z
input
06
External latch signal
1 input
07
External latch signal
2 input
08
External latch signal
3 input
09
Brake output
10
Emergency stop
input
11 to 15
Reserved by the sys-
tem.
b+4
---
Errors
Axis error code
Returns the error code for the
axis error.
12-4 Error Codes
b+5
00 to 03
Expanded
monitoring
Monitor 1 type
Indicates the monitor type for
the present monitor 1 (b+10,
b+11).
4-8-6 Expanded
Monitoring
04 to 07
Monitor 2 type
Indicates the monitor type for
the present monitor 2 (b+12,
b+13).
08 to 15
Not used (reserved
by the system).
Always 0.
b+6
---
Present
position
Feedback present
position (rightmost
word)
Returns the feedback present
position.
7-3 Coordinate Sys-
tem and Present
Position
b+7
---
Feedback present
position (leftmost
word)
b+8
---
Command present
position (rightmost
word)
Returns the command
present position.
b+9
---
Command present
position (leftmost
word)
I/O
Word
Bits
Category
Name
Function
Details
Summary of Contents for CJ1W-MA - REV 10-2008
Page 3: ...iv ...
Page 5: ...vi ...
Page 21: ...xxii ...
Page 57: ...30 Starting Operation Section 2 2 ...
Page 97: ...70 Wiring Section 3 4 ...
Page 247: ...220 Transferring Servo Parameters Section 5 3 ...
Page 281: ...254 Standard Settings for Servo Drives Using MECHATROLINK Section 6 4 ...
Page 343: ...316 Absolute Encoder Origin Section 8 6 ...
Page 375: ...348 Linear Interpolation Section 9 7 ...
Page 423: ...396 DEVIATION COUNTER RESET Section 10 10 ...
Page 631: ...604 Additional Functions for the CJ1W NCF71 MA Appendix F ...
Page 641: ...614 Index ...
Page 643: ...616 Revision History ...