Omron SYSMAC NX-CIF101 User Manual

7 Serial Communications
7 - 12
NX-series Communications Interface Units User’s Manual (W540)
5 Output
response
for t
he final
send data
The communications master receives
the input notification data given on the
right.

• The CIF Unit inputs the following input
notificatio
n data.
• The CIF Unit tells the CPU Unit or com-
munications master that the final send
data was recei
v
ed normally.
6 Sending the
fina
l se
nd
data
--- The CIF Unit sends the final send data to
th
e serial line.
7 --- • The communications master outputs
the following output notification data.
• There is no new output data.

---
8 Checking
se
nd
ing of
the final
send data
• The communications master receives
th
e input notification data given on the
right.
• The Send Completed Toggle Bit in the
Port Status
in the input notification
data changed, so the communications
master knows that the CIF Unit sent
the final send data to the serial line.

• The CIF Unit inputs the following input
notificatio
n data and tells the CPU Unit
or communications master that the final
send data was sent to the serial line.
• The CIF Unit changes the Send Com-
pleted Toggle Bit in the Port Status.
*1. Output notification data is output from the CPU Unit or communications master to the CIF Unit.
: Input notification data is input from the CIF Unit to the CPU Unit or communications master.
*2. The CIF Unit sends the output data to the serial line immediately after receiving it from the CPU Unit or communications
master only when transmission buffering is disabled. If transmission buffering is enabled, all of the output data is sent at
the same time after it has been received.
Step Process
CPU Unit or communications master
processing
Communi-
cations
direction
*1
CIF Unit processing
There is data in
the send buffer.
0011 hex
-
-
-
-
-
-
Input Data
Port Status
Input SID
Output SID
Response
Input Data Type
Input Sub Info
Input Data Length
-
-
0000 hex
-
-
None
There is no
send data.
Output SID
Input SID
Response
Output Data
Type
Output Sub Info
Output Data
Length
Output Data
0012 hex
-
-
-
-
-
-
The Send
Completed
Toggle Bit
changed.
Input Data
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