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-2654 Rev.17 P. 1 / 8
INSTRUCTION MANUAL
STRAIN GAUGE TRANSMITTER
(field- and PC-configurable)
MODEL
M3LLC
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)
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.
The M3LLC with Option A is programmable using the PC
configurator software. For detailed information on the PC
configuration, refer to the M3CFG instruction manual. The
M3CFG PC Configurator Software is 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.
• 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
• The equipment must be mounted inside a panel.
• Insert noise filters for the power source, input and output
connected to the unit. COSEL Model NAC-04-472, TDK
Model ZCAT 3035-1330 or equivalent is recommended.
• 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:
10 – 32V DC rating: 9 – 36V, approx. 5W
■
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.
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EXCITATION
• Be sure to use the excitation of the unit.
• Adjust excitation voltage so that the current is below the
maximum current of the excitation.
■
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.
