1-5
Section
Exchanging Data
13
1-5
Exchanging Data
The Position Control Unit exchanges data with the Programmable Controller as
shown in the following diagram. This explanation is provided using the
C200HW-NC413 as an example. The size of the allocated areas differs with the
NC113 and NC213. For details regarding the data areas for the various PCUs,
refer to
Section 4 Data Areas
.
PCU
IR area
Operating Memory Area
Parameter area
Operating Data Area
Data transfer area
Common
parameters
Axis parameters
DM or EM area
Address M data
Address N data
I/O refresh
(Operation commands, data
transfer commands, etc.)
At power-up or restart
(Common parameters)
At power-up or restart
(Axis parameters)
I/O refresh
(Data transfer and operation
command information)
I/O refresh (PCU status)
When data transfer
commands are executed.
(Data for positioning)
When data is transferred
Command
interpretation
Status
Common
parameters
Data transfer and
operation command
information
Status
Internal memory
Axis parameters
Address
Saving
data
Power-up
or restart
Flash memory
I/O refresh (PCU status)
DM or EM area
When IOWR or IORD is
executed.
DM area
Summary of Contents for C200HW
Page 1: ...Cat No W334 E1 04 Position Control Units SYSMAC C200HW NC113 NC213 NC413 ...
Page 2: ...C200HW NC113 NC213 NC413 Position Control Units Operation Manual Revised July 2003 ...
Page 3: ...iv ...
Page 5: ...vi ...
Page 285: ...Cat No W334 E1 04 C200HW NC113 NC213 NC413 Position Control Units OPERATION MANUAL ...
