Defining And Changing I/O Mapping - Omron WS02-9094G - V1.0 Operation Manual

Configuring the Master
3-4-3

Defining and Changing I/O Mapping

Example
Note
!Caution When mapping the I/O Areas, make sure that the I/O data will not overlap the
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The I/O data of all slaves can be mapped on to the PLC memory areas.
through two Output Ares and two Input Areas. The Output data can be distrib-
uted over two Output Areas, each of which can be mapped on to PLC mem-
ory. Similarly, the Input data can be distributed over two Input Areas, each of
which can be mapped on to PLC memory.
The figure below shows the CS1/CJ1W-PRM21 Master DTM's Slave Area tab
for an example network with a CJ1W-PRT21, a CPM1A-PRT21, and an F150-
PRT Vision system.
By default all Output data is mapped on to Output Area 1, and all Input data is
mapped on to Input Area 1. Each of these Areas can be mapped on to PLC
memory independently of each other.
Changing the mapping can be achieved using drag & drop. The module which
is mapped to Area 1 and which must be mapped to Area 2, can be copied
there by dragging it from the overall module list on top to Area 2.
The I/O mapping concept is discussed in section 3-5-2 Mapping I/O Data.
1. By default the Auto-Addressing option will be enabled (see section 3-4-1
Setting the Master Parameters). If any I/O modules are moved from one
Area to another, the I/O modules in first Area are re-mapped to close all
the gaps between mappings.
2. Prior to download, the CS1/CJ1W-PRM21 Master DTM will check the
mappings for possible Area overlaps, PLC memory overlaps and non-ex-
isting EM banks. If an error is detected, download will be aborted and the
necessary correction must be made first.
Unit's own CIO Area or the CIO Area of any other special CPU Unit. The CS1/
CJ1W-PRM21 Master DTM does not check this. Failure to avoid this, will lead
to unpredictable behaviour of the Unit.
Section 3-4