Hitachi EH-150 - (b) In Case of EH-CPU516;548; (c) In Case of EH-CPU448; 448 A; 316 A; 308 A or EH-CPU516;548 with EH-BS3;5;8

Chapter 10 Troubleshooting
(b) In case of EH-CPU516/548
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
3 units in basic base
EH-ETH2 can be mounted up to
two units in basic base.
Reexamine the mounted slot
position and system.
Y
N
Power on PLC system
Complete of PLC system setup
(c) In case of EH-CPU448 / 448A / 316A / 308A or EH-CPU516/548 with EH-BS3/5/8
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 2
EH-ETH2 can be mounted in slot
0 to 2.
Reexamine the mounted slot
position.
N
Y
EH-ETH2 is mounted more than
3 units in basic base
EH-ETH2 can be mounted up to
two units in basic base.
Reexamine the mounted slot
position and system.
Y
N
Power on PLC system
Complete of PLC system setup
10-2