Omron DRT2 SERIES DEVICENET SLAVES - OPERATION MANUAL 04-2008 Operation Manual page 56

DeviceNet Remote I/O Communications
Fixed Allocation
Type
Description I/O data is allocated to fixed addresses in the
Master Unit in order of node address.
Method Configurator not used.
Configuration
Allocation
Setting method None
with Configurator
User Allocation
Type
Description I/O data is allocated to user-defined addresses
in the Master Unit.
Method Configurator used to allocate user-defined
addresses.
Configuration
Allocation
Setting method In the Master's Edit Device Parameters Win-
with Configurator dow, allocate Slave I/O.
Allocating default I/O data
Master CPU Unit
I/O memory
Node
A
address
B
order
Smart Slave
I/O data
A
B
Allocating default I/O data
Allocate I/O to user-
defined addresses
using the Configurator.
Master CPU Unit
I/O memory
A
Allocated to
B
user-defined
addresses.
Smart Slave
I/O data
A
B
Allocating selected I/O data (patterns)
Selected I/O data (pattern) is allocated to fixed
addresses in the Master Unit.
Configurator used to select I/O data (pattern).
Select I/O from the
Configurator's Edit
Device Parameters
Window for the Slave.
Master CPU Unit Master CPU Unit
I/O memory
Node
A
address
C
order
Smart Slave
I/O data (patterns)
A
(Default)
B
Allocation
A
C
D
E
In the Slave's Edit Device Parameters Window,
select the data in the Slave from the pull-down
menu for the Slave's default connection path, and
execute download.
Allocating selected I/O data (patterns)
Selected I/O data (pattern) is allocated to user-
defined addresses in the Master Unit.
1. Configurator used to select I/O data (pattern).
2. Selected data allocated to user-defined mem-
ory addresses.
Select I/O from the
Configurator's Edit Device
Parameters Window for
the Slave, and allocate to
user-defined addresses.
Master CPU Unit
I/O memory
2. Allocate to
user-defined
addresses.
A
C
Smart Slave
I/O data (patterns)
A
(Default)
B
A
C
D
E
1. In the Slave's Edit Device Parameters Window,
select the data in the Slave from pull-down
menu for the Slave's default connection path,
and execute download.
2. In the Master's Edit Device Parameters Win-
dow, allocate Slave I/O.
Section 3-2
Select I/O data
pattern (fixed
combination).
1. Select I/O data
pattern (fixed
combination).
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