Chapter 10 Troubleshooting 10-1 To; Troubleshooting Flow - Hitachi EH-150 Applications Manual

Chapter 10 Troubleshooting
This chapter explains the troubleshooting in case a system using EH-ETH2.
10.1

Troubleshooting flow

(1) Start up
(a) In case of EHV-CPU
Start of PLC system setup
EH-ETH2 is mounted
in slot 0 to 7
Y
EH-ETH2 is mounted more than
9 units in basic base
N
Power on PLC system
STS LED blinks
N
Complete of PLC system setup
EH-ETH2 can be mounted in slot
0 to 7.
N
Reexamine the mounted slot
position.
EH-ETH2 can be mounted up to
8 units in basic base.
Y
Reexamine the mounted slot
position and system.
I/O configuration is missing in
CPU module. Configure
Y
"COMM" assignment by your
programming software.
10-1
Chapter 10 Troubleshooting