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32
Sect
ion 3
Dev
ic
e
Net
Co
m
m
u
n
ic
at
io
n Se
tt
ings
E3X-DRT21-S
User’s Manual
Section 3
Overview of DeviceNet Communication Type
Example of Remote I/O Communications
Example: When monitoring sensor ON/OFF output state of unit No. 1
When using the 1CH mode (SW1=OFF, SW2=OFF)
When E3X-DRT21-S DeviceNet node address is 00.
IN Area (Fix Assignment 1)
Bit
→
15
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
3300CH
↑
↑
Node Address 00
Sensor ON/OFF output state of unit No. 1
DeviceNet unit (CS1W-DRM21)
Remote I/O communication fix assignment
CS1
CPU Unit
IN Area
DeviceNet
Monitors ON/OFF output
of the Unit
No.1
E3X-DRT21-S
Node Address 00
Reflected in the IN Area