Hitachi EH-150 Series Applications Manual page 145

Chapter 7
7.1 Trial Run
 Check item
Please check the item of Table 7.1.
No. Item
1 Modules except EH-SIO
2 Module mounting
3 Set up of communication setting
switch
4 Connection with external device
 The procedure of trial run
Check of the communication setting
switch
Power supply ON
CPU is RUN
Initial setting of EH-SIO is executed
by TRNS 9.
Operation is checked by the easy
communication program.
An actual program is transmitted.
Trial RUN
System setup
Table 7.1 Check item at the time of a trial run
Contents
 Is wiring of a power supply etc. right?
 Do the type & version of CPU module correspond to EH-SIO?
 Is the ladder program download to CPU module?
 Is mechanical connection good?
 Is the attachment position of EH-SIO on the basic base or the expansion base?
 Is it correct operation mode?
(Transmission speed, Transmission format configuration, Communication I/F
of port2)
 Is a communication cable correct connection?
 Is mechanical connection good?
Please check whether it is set up correctly about transmission
speed, transmission format configuration, and communication
I/F of port 2.
Please check the state display LED of EH-SIO.
«The state at the time of the power supply ON »
LNK
SD1 RD1
MB
1
MS
1
SERIAL I/O
Please check that RUN LED of CPU module is lighting.
Please check that LED which shows the setup communication
mode is on.
Please check whether EH-SIO can communicate.
Please check whether it becomes intentioned operation.
Figure 7.1 Flow of the trial RUN
Communication mode LED -- Lighting
WDE MDE CDE
Error LED
SD2 RD2
* "422" LED depends on port setting.
HP1 MB HP2
2
422 MS 422
1 2
2
EH-SIO
7 - 1
-- OFF