1-2
Section
DeviceNet Functions
4
1-2-2 Communications Functions of Master Units
Remote I/O Communications
Master Unit
Output area Input area
Allocated in I/O memory
(e.g., IR/CIO Area)
Automatically input/output
Slave
Slave
A
B
Note Input and output areas are automatically allocated in fixed areas unless a Confi-
gurator is used. A Configurator can be used to freely allocate input blocks 1 and
2, and output blocks 1 and 2, anywhere in I/O memory.
Item
Master Unit model
Without Configurator
With Configurator
Max. number of Slave
CVM1, CV Series
63 nodes
nodes per Master
CS1 Series,
C200HZ/HX/HG/HE
50 nodes
63 nodes
C200HS
32 nodes
63 nodes
Max. number of control
CVM1, CV Series
2,048 pts (64 input/64 output words)
6,400 pts (100 words x 4 blocks)
points per Master
CS1 Series,
C200HZ/HX/HG/HE
1,600 pts (50 input/50 output words)
Without messages: 4,800 pts
With messages: 1,600 pts
C200HS
1,024 pts (32 input/32 output words)
1,280 pts
Max. number of I/O
CVM1, CV Series
32 input/32 output words
points per Slave
controllable by Master
CS1 Series,
C200HZ/HX/HG/HE
C200HS
Remote I/O allocation
CVM1, CV Series
Fixed words in IR Area (or CIO area
Any area
areas
CS1 Series,
C200HZ/HX/HG/HE
for CS1-series PCs)
C200HS
Reference Setting the number of words used by the DeviceNet Interface Unit changes the
maximum number of Units that can be connected in a single DeviceNet Network.
