5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp
EM-2652-A Rev.2 P. 1 / 9
INSTRUCTION MANUAL
UNIVERSAL TRANSMITTER
(eld- and PC-congurable)
MODEL
M3LU
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:
Signal conditioner ...............................................................(1)
Terminal block with CJC sensor ........................................(1)
I/O range and tag name label sheet ...................................(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. For detailed information,
refer to the operating manual (EM-2652-B).
The M3LU with Option A is programmable using the PC
configurator software. For detailed information on the PC
configuration, refer to the M3LUCFG instruction manual.
The M3LUCFG PC Configurator Software and operating
manual are downloadable at M-System’s web site: http://
www.m-system.co.jp.
POINTS OF CAUTION
■ CONFORMITY WITH UL
• This equipment is suitable for use in a Pollution Degree
2 environment.
• DO NOT connect the thermocouple or the RTD to circuits
greater than 30Vrms and 42.4Vpeak or 60V DC.
• This equipment is to be used with the maximum operat-
ing voltage 30Vrms and 42.4Vpeak or 60V DC.
• The equipment must be mounted inside a suitable fire
enclosure.
• Operating temperature: -25 to +55°C (-13 to +131°F)
■ CONFORMITY WITH EU DIRECTIVES
• This equipment is suitable for Pollution Degree 2 and In-
stallation Category II (transient voltage 2500V). Rein-
forced insulation (signal input or output to power input:
300V) and basic insulation (signal input to output: 300V)
are maintained. Prior to installation, check that the insu-
lation class of this unit satisfies the system requirements.
• Altitude up to 2000 meters.
• The equipment must be mounted inside a panel.
• Insert a noise filter for the power source connected to the
unit. TDK-Lambda Noise Filter Model RSAN-2006 or
equivalent is recommended.
• The equipment must be installed such that appropriate
clearance and creepage distances are maintained to con-
form to CE requirements. Failure to observe these re-
quirements may invalidate the CE conformance.
• The actual installation environments such as panel con-
figurations, connected devices, connected wires, may af-
fect 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 the CE conform-
ity.
• Install lightning surge protectors for those wires connect-
ed to remote locations.
■ POWER INPUT RATING & OPERATIONAL RANGE
• Locate the power input rating marked on the product and
confirm its operational range as indicated below:
100 – 240V AC rating: 85 – 264V, 47 – 66 Hz, approx. 4 – 6VA
10 – 32V DC rating: 9 – 36V, approx. 2W
■ GENERAL PRECAUTION
• Before you remove the unit or mount it, turn off the power
supply and input signal for safety.
■ 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 -25 to +65°C
(-13 to +149°F) with relative humidity within 0 to 95%
RH in order to ensure adequate life span and operation.
• Be sure that the ventilation slits are not covered with ca-
bles, etc.
■ 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 ....
• 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.
LIGHTNING SURGE PROTECTION
M-System offers a series of lightning surge protector for
protection against induced lightning surges. Please contact
M-System to choose appropriate models.
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