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R3-AV8

5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: 

+81(6)6659-8510  E-mail: [email protected]

EM-8436  Rev.2  P. 1 / 4

DC VOLTAGE INPUT ALARM MODULE

(8 points, isolated)

MODEL

R3-AV8

INSTRUCTION MANUAL

BEFORE USE ....

Thank you for choosing M-System.  Before use, please check 
the contents of the package you received as outlined below.
If you have any problems or questions with the product, 
please contact M-System’s Sales Office or representatives.

 

PACKAGE INCLUDES:

DC voltage input alarm module ....................................(1)

 

MODEL NO.

Check that model No. described on the specification label is 
exactly what you ordered.

 

INSTRUCTION MANUAL

This manual describes necessary points of caution when 
you use this product, including installation, connection and 
basic maintenance procedures.

POINTS OF CAUTION

 

CONFORMITY WITH EU DIRECTIVES

• 

The equipment must be mounted inside the instrument 
panel of a metal enclosure.

• 

The actual installation environments such as panel con-
figurations, connected devices and connected wires may 
affect the protection level of this unit when it is integrat-
ed in a panel system.  The user may have to review the CE 
requirements in regard to the whole system and employ 
additional protective measures to ensure CE conformity. 

 

HOT INSERTION/REMOVAL OF MODULES

• 

Removing or replacing modules does not affect other mod-
ules on the same backplane.  It is possible to replace them 
without removing the power supply.  However, replacing 
multiple modules at once may greatly change line voltage 
levels.  We recommend that you replace them one by one.

 

ENVIRONMENT

• 

Indoor use

• 

When heavy dust or metal particles are present in the 
air, install the unit inside proper housing with sufficient 
ventilation.

• 

Do not install the unit where it is subjected to continuous 
vibration.  Do not subject the unit to physical impact.

• 

Environmental temperature must be within -10 to +55°C 
(14 to 131°F) with relative humidity within 30 to 90% RH 
in order to ensure adequate life span and operation.

 

WIRING

• 

Do not install cables close to noise sources (relay drive 
cable, high frequency line, etc.).

• 

Do not bind these cables together with those in which 
noises are present.  Do not install them in the same duct.

 

UNUSED INPUT CHANNELS

• 

Set the unused input channels to ±10V range.  Unused 
channels left open with other settings may be equal to the 
input lower than -15%, which sets a data abnormality at 
the PLC or the host device.

   Open circuit with the input range set to ±10V means 50% 

of the full-scale. An alarm setpoint must be set to a value 
that does not trip an unwanted alarm.

• 

Unused channels can be specified and set so on the PC 
Configurator Software (model: R3CON) without needing 
the above mentioned setting.

 

AND ....

• 

The unit is designed to function as soon as power is sup-
plied, however, a warm up for 10 minutes is required for 
satisfying complete performance described in the data 
sheet.

INSTALLATION

Use the Installation Base (model: R3-BSx).

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