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1. POINTS OF CAUTION
Thank you for choosing M-System. Before use, please read this manual carefully. If
you have any problems or questions with the product, please contact M-System’s Sales
Office or representatives.
This product is for use in general industrial environments, therefore may not be suitable
for applications which require higher level of safety (e.g. safety or accident prevention
systems) or of reliability (e.g. vehicle control or combustion control systems).
For safety, installation and maintenance of this product must be conducted by qualied
personnel.
n POWER INPUT
•Power input rating & operational range: Check the power rating for the unit on the
specication label.
Rating100–240VAC: 85–264V,47–66Hz,
approx.27VAat100V,approx.46VAat240V
Rating24VDC: 24V±10%,approx.24W
•Supplyinganylevelofpowerotherthanspeciedabovecandamagethe73VR3100or
the power source.
•ThepowercablesandthesignalI/Ocablesforthe73VR3100mustbelocatedsepa-
rately.
•Themaincircuitcables(highvoltageandhighcurrent),thesignalI/Ocables,andthe
power cables should not be bundled together or placed near each other.
•Toincreasenoiseresistanceofthepowerinputwires,twistthestrandsbeforeconnect-
ing.
n SAFETY PRECAUTION
•Beforeyouremovetheunit,turnoffthepowersupplyandinputsignalforsafety.
•Donotusethe73VR3100inanenvironmentwhereammablegasesarepresent.This
may result in an explosion.
•Donotdisassembleormodifythe73VR3100inanyway.Doingsomayresultinare
or an electrical shock.
•Donotstrikethepanelofthe73VR3100withahard,heavyorpointedobject,orpress
thepanelwithexcessiveforce.Doingsomayresultinpaneldamageorinjury.
•Donotblockthe73VR3100’sventilationopeningsoruseitinareaswhereheataccu-
mulates. Additionally, do not store or use it under high-temperature conditions.
•Donotstoreorusethe73VR3100inlocationssubjecttodirectsunlight,orwhereex-
cessive dust or dirt is present.
•The73VR3100isaprecisioninstrument.Donotstoreoruseitwherelargeshocksor
excessive vibration can occur.