
R3-DA8C
P. 1 / 4EM-8290
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
DISCRETE INPUT MODULE
(Di 8 points(3-wire); with external excitation supply) MODEL R3-DA8C
INSTRUCTION MANUAL
BEFORE USE ....
Thank you for choosing M-System. Before use, please check
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:
Discrete input module .................................................. (1)
■MODEL NO.
Confirm Model No. marking on the product to be 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.
•Theactualinstallationenvironmentssuchaspanelcon-
figurations, connected devices and connected wires may
affect the protection level of this unit when it is integrated
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
•Removingorreplacingmodulesdoesnotaffectothermod-
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.
■HOT INSERTION/REMOVAL OF MODULES
Removingorreplacingmodulesdoesnotaffectothermod-
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
•Indooruse
•Whenheavydustormetalparticlesarepresentintheair,
install the unit inside proper housing with sufficient ven-
tilation.
•Donotinstalltheunitwhereitissubjectedtocontinuous
vibration.Donotsubjecttheunittophysicalimpact.
•Environmentaltemperaturemustbewithin-10to+55°C
(14to131°F)withrelativehumiditywithin30to90%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.
■AND ....
•Theunitisdesignedtofunctionassoonaspowerissup-
plied, however,awarmupfor10minutesisrequiredfor
satisfying complete performance described in the data
sheet.
INSTALLATION
UsetheInstallationBase(model:R3-BSx)orInstallation
Base(freeI/Oaddress,model:R3-BSWx).