Omron SYSMAC NX-CIF101 User Manual

7 - 25
7 Serial Communications
NX-series Communications Interface Units User’s Manual (W540)
7-4 Examples of Communications between CPU Unit or Communications Master and CIF Unit
7
7-4-5 Example of Control Command Execution
3 Request
to restart
the port
The communications master outputs the
fo
llowing output notification data to exe-
cute the Restart Port control command.

• The CIF Unit receives the outpu
t notifica-
tion data given on the left.
4 Confirma-
tion of
receptio
n
of th
e port
restart
request
• The communications master receives
the
in
put notification data given on the
right.
• The communications master knows
tha
t the control command was nor-
mally received by the CIF Unit because
the
Output SID Response in the input
notification data is 01 hex.

• The CIF Unit restarts the port.
• The value of the Input SID is initialized to
00 he
x.
5 --- The
communications master outputs the
followi
ng empty output notification data.

The CIF Unit receives the output notification
data given on the left.
6 Response
reception
•
The communications master receives
the input notification data given on the
right.
• The communications master knows
tha
t the port was restarted normally
because the Input Data Type in the
input notification data is 0201 hex.

• The CIF Unit inputs the following input
notificatio
n data to notify the CPU Unit or
communications master of the response.
Step Process
CPU Unit or communications master
processing
Communi-
cations
direction
*1
CIF Unit processing
Incremented.
01 hex
05 hex
0101 hex
0000 hex
0000 hex
00 hex,
00 hex,
00 hex,
00 hex
Restart Port
Output SID
Input SID
Response
Output Data
Type
Output Sub Info
Output Data
Length
Output Data 01
0010 hex
00 hex
01 hex
0000 hex
0000 hex
0000 hex
00 hex,
00 hex,
00 hex,
00 hex
Set the Output
SID.
Initialization
Input Data 01
Port Status
Input SID
Output SID
Response
Input Data Type
Input Sub Info
Input Data Length
Not
incremented.
01 hex
00 hex
0000 hex
0000 hex
0000 hex
00 hex,
00 hex,
00 hex,
00 hex
Output SID
Input SID
Response
Output Data
Type
Output Sub Info
Output Data
Length
Output Data 01
0010 hex
01 hex
01 hex
0201 hex
0000 hex
0000 hex
00 hex,
00 hex,
00 hex,
00 hex
Incremented.
Set the Output
SID.
Response
Input Data 01
Port Status
Input SID
Output SID
Response
Input Data Type
Input Sub Info
Input Data Length

Omron SYSMAC NX-CIF101 Specifications

General

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