Omron SYSMAC NX-CIF101 User Manual

7 - 11
7 Serial Communications
NX-series Communications Interface Units User’s Manual (W540)
7-3 Data Used by the Serial Communications Protocol
7
7-3-4 Send Completed Toggle Bit
Step Process
CPU Unit or communications master
processing
Communi-
cations
direc
tion
*1
CIF Unit processing
1 Outputting
send da
ta
that is not
the final
send data
• The communications master outputs
the
following output notification data to
pass the send data that is not the final
send data to the CIF Unit.

The CIF Unit receives the outpu
t notifica-
tion data given on the left.
2 Output
response
for send
data that
i
s
not the final
send data
The communications master receives
the input notification data given on the
right.

• The CIF Unit inputs the following input
notification
data.
• The CIF Unit changes the Send Data
Ex
ist in the Port
Status to TRUE (there
is data in the send buffer).
3 Sending
send
da
ta
that is not
the final
send data
--- The CIF Unit sends send data that is not
the fi
nal send data to the serial line.
*2
4 Outputting
the final
send data
The communications ma
ster outputs the
following output notification data to pass
the final send data to the CIF Unit.

The CIF Unit receives the output notifica-
tion data given on the left.
-
-
1000 hex
-
-
Send
data that
is not the
final send
data
There is send
data that is not
the final send
data.
Output SID
Input SID
Response
Output Data
Type
Output Sub Info
Output Data
Length
Output Data
0011 hex
-
-
-
-
-
-
There is data in
the send buffer.
Input Data
Port Status
Input SID
Output SID
Response
Input Data Type
Input Sub Info
Input Data Length
-
-
2000 hex
-
-
Final
send data
Final send
data
Output SID
Input SID
Response
Output Data
Type
Output Sub Info
Output Data
Length
Output Data

Omron SYSMAC NX-CIF101 Specifications

General

Brand	Omron
Model	SYSMAC NX-CIF101
Category	Recording Equipment
Language	English