EtherNet/IP Connection
202
ZW User's Manual
Types of Communications Areas
For EtherNet/IP communications, the following three communications areas are used in the PLC to perform
communications.
Areas Used for the Different Control Methods
*1
The response area (2) and output area (3) are assigned to continuous memory addresses or to a variable.
Command/
response communications
(1) Command area
This is the area to which you write control commands for the
Displacement Sensor to execute.
(2) Response area
This is the area to which the Displacement Sensor writes the
results of control commands executed from the command area.
Data output method after
application of measured value
(3) Output area
The area to which the displacement sensor writes the measured
value data of each task after application of the measured value.
(1) Command area
PLC
• Control inp
u
ts
• Command code
• Command parameters
(2) Response area
(3) O
u
tp
u
t area
• Control o
u
tp
u
ts
• Command code
• Response code
• Response data
Displacement Sensor
Exec
u
tion
After applying meas
u
red
v
al
u
e
O
u
tp
u
t Tag Set
Inp
u
t Tags
*1
O
u
tp
u
t Tags
Inp
u
t Tag Set
Inp
u
t Tag Set
O
u
tp
u
t Tag Set
24
b
ytes
24
b
ytes
32
b
ytes
The control commands that are
w
ritten to the Command Area
are exec
u
ted.
Meas
u
rement res
u
lts are
w
ritten to the response area
in the PLC.
The exec
u
tion res
u
lts
from the Displacement
Sensor are
w
ritten here.
O
u
tp
u
t data from the
Displacement Sensor is
w
ritten here.
Meas
u
rement res
u
lts are
w
ritten to the o
u
tp
u
t area.
The follo
w
ing control
commands are
w
ritten to the
Displacement Sensor.
Inp
u
t
connection
to Sensor
O
u
tp
u
t
connection
to PLC
Response
Command
Summary of Contents for ZW-C1*AT
Page 17: ...ZW User s Manual 1 15 ...
Page 54: ...Installing the Sysmac Studio 52 ZW User s Manual MEMO ...
Page 74: ...Operating with Sensor Controller 72 ZW User s Manual MEMO ...
Page 120: ...Setting the System 118 ZW User s Manual MEMO ...
Page 138: ...Controll input signal with PC tool 136 ZW User s Manual MEMO ...
Page 262: ...No protocol Connection 260 ZW User s Manual MEMO ...
Page 271: ...8 Troubleshooting Troubleshooting 8 1 Error Messages 270 8 2 Troubleshooting 284 ...
Page 358: ...Connecting by No protocol Communications 356 ZW User s Manual MEMO ...
Page 449: ......