Hitachi EH-150 Series Instruction Manual

Download Instruction manual of Hitachi EH-150 Series Controller for Free or View it Online on All-Guides.com.

Hitachi EH-150 Series Instruction manual - Page 1
1
Hitachi EH-150 Series Instruction manual - Page 2
2
Hitachi EH-150 Series Instruction manual - Page 3
3
Hitachi EH-150 Series Instruction manual - Page 4
4
Hitachi EH-150 Series Instruction manual - Page 5
5
Hitachi EH-150 Series Instruction manual - Page 6
6
Hitachi EH-150 Series Instruction manual - Page 7
7
1 NJI-613 (X)
EH-150 series PLC
HITACHI
EH-RTD8
Resistance Temperature Detective
input module
Instruction manual
Thank you for purchasing a Hitachi Programmable Logic
Controller. To operate it safely, please read this instruction
manual and all the user manuals carefully. Please be sure to
use the latest versions of user manuals and keep them at hand
of end users for future reference.
Caution
1. All rights reserved.
2. The content of this manual may be changed without notice.
3. While efforts have been made on this manual to be
accurate, please contact us if any mistake or unclear part is
found.
Warranty period and coverage
The warranty period is within 18 months after manufacturing
date (MFG NO.) or 12 months after installation.
Examination and repair within the warranty period is covered.
However within the warranty period, the warranty will be
void if the fault is due to;
(1) Incorrect use from instructed in this manual and the
application manual.
(2) Malfunction or failure of external other devices than
this unit.
(3) Attempted repair by unauthorized personnel.
(4) Natural disasters.
The warranty is for the PLC only, any damage caused to third
party equipment by malfunction of the PLC is not covered by
the warranty.
Repair
Any examination or repair after the warranty period is not
covered. And within the warranty period any repair and
examination which results in information showing the fault
was caused by any of the items mentioned above, the repair
and examination cost are not covered. If you have any
questions regarding the warranty or repair cost, please contact
your supplier or the local Hitachi Distributor. (Depending on
failure part, repair might be impossible.)
Ordering spare parts and inquiries
Please contact your local suppliers for ordering products/spare
parts or any inquiries with providing the following
information.
(1) Product name
(2) Manufacturing number (MFG NO.)
(3) Details of failure
Safety precautions
Definitions and Symbols
Indicates a potentially hazardous situation
which, if not avoided, can result in serious
injury or death.
Indicates a potentially hazardous situation
which, if not avoided, can result in minor
to moderate injury, or serious damage of
product.
: Indicates Prohibition
!
: Indicates Compulsion
DANGER
- Do not touch terminals while power ON. There is a danger of
electric shock and/or injury.
- Be sure to install external safety devices outside of the PLC
like emergency stop circuit or interlock circuit.
CAUTION
- Be sure that the rated voltage matches the power supply
voltage of the unit. Otherwise, there is a danger of breakdown
and/or injury and/or fire.
- Only qualified personnel shall carry out wiring work.
Otherwise, there is a danger of breakdown and/or injury and/or
fire.
COMPULSION
- Be sure to ground the unit. Otherwise, there is a danger of
electric shock and/or malfunction.
PROHIBITION
- Do not attempt to modify nor disassemble the unit. There is a
danger of breakdown and/or injury and/or fire.
Mounting
- Mount the PLC on a metal plate and install in a cabinet as
follows.
- Be sure to ground the cabinet and the metal plate, otherwise
there is a risk of malfunction.
- Install the PLC as described in user manual.
- Take appropriate measures when the PLC system installed in
locations:
Influenced easily due to noise or static electricity or other
forms of noise.
Under strong electromagnetic field.
Close to power supplies.
- Be sure to tighten mounting screws, terminal screws and
connector screws.
- Be sure to check that devices with lock mechanism, such as an
expansion cable or terminal blocks, are locked properly.
!
DANGER
CAUTION
!
!