Chapter 1. Foreword
Chapter 1 Foreword
Thank you for using the Hitachi EH-150 Programmable Controller series (hereinafter known as the PLC.)
This manual explains how to use the optical type CPU link module (hereinafter known as the EH-OLNK) with the
Hitachi EH-150 Programmable Controller. Read this manual thoroughly and use if when performing installation
operations, maintenance checks and other procedures. The following documentation related to PLC is also available
and should be used together with this manual.
Table 1.1 List of Explanatory Documentation
Items
Name of documentation
Number of Manual
Main system of EH-150
EH-150 Application Manual
NJI-281*
Programming Software
LADDER EDITOR ( for MS-DOS )
LADDER EDITOR for Windows®(Windows®95/98/NT4)
NJI-206/299
NB-325
Optical type
CPU Link
module
Optical type CPU Link module (EH-OLNK)
Application Manual
NJI-395
* The end of the manual number will differ in accordance with upgraded versions, etc.
Note that the contents of this manual are subject to amendment without prior notice.
1.1 Before
use
Great care has been taken in the manufacture of this product, but it is advised that the following points are
checked immediately after purchase.
1. Is the model the same one that you ordered?
2. Has the product been damaged in any way?
3. Are any of the accessories listed in table 1.2 missing?
Contact your dealer in the event of any defects being discovered.
Table 1.2 List of Accessories Supplied with the EH-OLNK
No. Products name
Model number
Outlook
Pcs
Remarks
1
Optical type
CPU Link
Module
EH-OLNK
1
2
Connector for
the 5VDC supply
BL3.5/2F
1
Made by
WEIDMÜLLER CO., LTD.
3
Connector cover
for the optical
cable insertion.
---
1
4
Instruction
manual
NJI-394*(X)
1
* The end of the manual number will differ in accordance with upgraded versions, etc.
1-1
