Hitachi EH-150 - Chapter 10 Troubleshooting 10-1 to; Troubleshooting Flow

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