2. SYSTEM CONFIGURATION
2.1.3
System configuration with a DeviceNet master unit
A
S
1
CPU
STOP
L.CLR
RUN
RUN
ERROR
RESET
RESET
CPU
PULL
PLC CPU
Main base
Extension Cable
Extension base
DeviceNet network
Trunk line or drop line
DeviceNet master unit
AJ71DN91 A1SJ71DN91
RS-232C cross-cable
Configuration unit (*)
*: PC/AT-compatible computer + configuration software
−
2
2
MELSEC-A
A
1SJ71DN91
RUN
L.RUN
MS
NS
DeviceNet
RS-232-C