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607
Operation Area I/O Allocations
Appendix C
Input
(PCU
to CPU
Unit)
b+3
00
External I/O
status
Forward rotation limit
input
Returns the status of I/O signals 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.
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 (See note 2.)
11 to 15
Reserved by the sys-
tem.
b+4
---
Errors
Axis error code
Displays axis error code/warning code for each axis.
b+5
00 to 03
Expanded
monitoring
Monitor 1 type
Shows monitor type for monitor 1.
04 to 07
Monitor 2 type
Shows monitor type for monitor 2.
08 to 15
Not used (reserved
by the system).
Always 0.
b+6
---
Present
position
Feedback present
position (rightmost
word)
Present position:
Feedback present position (rightmost word)
Feedback present position (leftmost word)
b+7
---
Feedback present
position (leftmost
word)
b+8
---
Command present
position (rightmost
word)
Present position:
Command position (rightmost word)
Command position (leftmost word)
b+9
---
Command present
position (leftmost
word)
b+10
---
Expanded
monitoring
Monitor 1 (rightmost
word)
Monitor value specified for monitor 1 type.
b+11
---
Monitor 1 (leftmost
word)
b+12
---
Monitor 2 (rightmost
word)
Monitor value specified for monitor 2 type.
b+13
---
Monitor 2 (leftmost
word)
b+14
---
Servo
Parameter
data
Read data (rightmost
word)
Contains the Servo Parameter that was read.
b+15
---
Read data (leftmost
word)
b+16 to
b+23
---
---
Not used (reserved
by the system).
Always 0.
I/O
Word
Bits
Category
Name
Function
Summary of Contents for CJ1W-NC271 - 12-2009
Page 2: ......
Page 4: ...iv ...
Page 6: ...vi ...
Page 22: ...xxii ...
Page 58: ...30 Starting Operation Section 2 2 ...
Page 244: ...216 Axis Operating Input Memory Areas Section 4 8 ...
Page 264: ...236 Transferring Servo Parameters Section 5 3 ...
Page 396: ...368 Linear Interpolation Section 9 7 ...
Page 648: ...620 List of Error Codes Appendix D ...
Page 674: ...646 Additional Functions for the CJ1W NCF71 MA Appendix F ...
Page 684: ...656 Index ...
Page 686: ...658 Revision History ...