Hitachi Hidic EH-150 Applications Manual page 94

Preliminary Rev.03
Chapter 10 Troubleshooting
This chapter explains the trouble shooting in case a system using EH-ETH.
10.1 Troubleshooting follow
(1) Start of PLC
The contents of this manual might be changed without notice.
Start of PLC system setup
EH-ETH is mounted
in slot 0 to 2
Y
EH-ETH is mounted more than 3
units in basic base.
N
Type of CPU module is
EH-CPU448
Y
Power on PLC system
STATUS LED
is lit in green.
N
Complete of PLC system setup
EH-ETH can be mounted in slot 0
to 2.
N
Reexamine the mounted slot
position.
EH-ETH can be mounted up to
two units in basic base.
Y
Reexamine the mounted slot
position and system.
EH-ETH needs CPU448 as CPU
module.
N
Reexamine the system.
EH-ETH is not assigned as I/O.
Execute I/O assignment with
Y
peripheral equipment. I/O
assignment data is "COMM".
10-1
Chapter 10 Troubleshooting