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I/O Number Allocation
3-2
3.1 Input/Output Signals Used for Communication
3.1.1 Occupied Area for Communication cassette (Ethernet type)
A fixed area is allocated as follows.
List of occupied words and I/O points by unit
Occupied words
(occupied I/O points)
Unit Type
Model number
Input
Output
CPU Unit
Communication
cassette
(Ethernet type)
AFP7CCET1
4words(64points)
WX0 - WX3
2words(32points)
WY0 - WY1
3.1.2 I/O Number Allocation
Input signal (COM.1 port for User connection)
Input
signal
Communica
tion port
Name
Description
Effective
operation
mode
X0
For COM.1
Port
General-
purpose
communicatio
n Reception
done flag
When the unit completes the data reception, it
turns on (1).
Waiting for data reception: 0, Reception
completed: 1
General-
purpose
communication
X1 - X3
-
Not used
Do not use this.
-
X4
For COM.1
Port
General-
purpose
communicatio
n Reception
done (copy)
flag
It turns on (1) if there are copied data when
GPRECV instruction is executed. It turns off
(0) when END instruction is executed.
(Note 1)
Reading completed: 1
No data to be read: 0
General-
purpose
communication
X5 - X7
-
Not used
Do not use this.
-
X8
For COM.1
Port
General-
purpose
communicatio
n Clear to
send flag
It turns on (1) when the unit is set to the
general-purpose communication mode. It
turns off (0) in other modes.
General-
purpose
communication
X9 - XB
-
Not used
Do not use this.
-
XC
For COM.1
Port
Master
communicatio
n Clear to
send flag
It turns on (1) when the unit is set to modes
other than the general-purpose
communication mode. It turns off (0) in other
modes.
MEWTOCOL
XD - XF
-
Not used
Do not use this.
-
X10
For COM.1
Port
Reset done
When the communication channel is reset
under the output Y10, the flag is turned on (1)
once the resetting operation is completed.
Resetting done: 1
Y10 is off: 0
General-
purpose
communication
X11 - X1F
-
Not used
Do not use this.
-
(Note 1): The general-purpose communication reception done (copy) flag is effective after the execution of the RECV
instruction until one of the following instructions is executed. This flag does not remain ON across several
scans. Execute 1: END instruction (scan header), and 2: RECV instruction
Summary of Contents for AF7CPS Series
Page 1: ......
Page 7: ...1 Communication Functions of CPU Unit ...
Page 14: ...Communication Functions of CPU Unit 1 8 ...
Page 15: ...2 Installation and Wiring ...
Page 19: ...3 I O Number Allocation ...
Page 23: ...4 Setting Communication Conditions ...
Page 42: ...Setting Communication Conditions 4 20 ...
Page 43: ...5 MEWTOCOL Master Slave Communication ...
Page 51: ...6 General Purpose Communication ...
Page 66: ...General Purpose Communication 6 16 ...
Page 67: ...7 Specifications ...
Page 78: ...Specifications 7 12 ...
Page 79: ...Record of changes Manual No Date Record of Changes WUME FP7CCET 01 DEC 2013 First Edition ...
Page 80: ......
Page 81: ......
Page 82: ......