47LV
P. 1 / 18
EM-9502-B Rev.3
DC INPUT DIGITAL PANEL METER
(4 1/2 digit, LED display type)
MODEL
47LV
OPERATING 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:
Digital panel meter ...................................................... (1)
Engineering unit sticker label sheet ........................... (1)
■
MODEL NO.
Confirm Model No. marking on the product to be exactly
what you ordered.
■
OPERATING MANUAL
This manual describes necessary points of caution when
you use this product, including installation, connection, ba-
sic maintenance procedures and detailed operations.
2.00
marked parameters are usable with the product ver-
sion 2.00 or higher.
POINTS OF CAUTION
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CONFORMITY WITH EC DIRECTIVES
• This equipment is suitable for Pollution Degree 2 and In
-
stallation Category II. Reinforced insulation (input or DC
output to alarm output to power: 300V) and basic insula-
tion (input to DC output: 300V) are maintained. Prior to
installation, check that the insulation class of this unit
satisfies the system requirements..
• Altitude up to 2000 meters
• 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.
• In order to enable the operator to turn off the power input
immediately, install a switch or a circuit breaker accord-
ing to the relevant requirements in IEC 60947-1 and IEC
60947-3 and properly indicate it.
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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, 50/60 Hz, approx. 6.5VA
24V DC rating: 24V ±10%, approx. 3W
110V DC rating: 85 – 150V, approx. 3W
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GENERAL PRECAUTIONS
• Before you remove the unit or mount it, turn off the power
supply and input signal for safety.
• Be sure to put the terminal cover on while the power is
supplied.
■
ENVIRONMENT
• Indoor use
• When heavy dust or metal particles are present in the air,
install the unit inside proper housing with sufficient ven-
tilation.
• 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.
• Be sure that the ventilation slits are not covered with ca
-
bles, etc.
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REQUIREMENTS TO ENSURE IP 66
• Observe the designated panel cutout size (W92
×
H45
mm).
• The watertight packing included in the product package
must be placed behind the front cover.
• Both mounting brackets must be fastened tightly until
they hit the panel.
• Confirm visually that the packing is not contorted or ex
-
cessively run off the edge after installation.
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WIRING
• Make sure for safety that only qualified personnel per
-
form the wiring.
• Do not install cables (power supply, input and output)
close to noise sources (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 sat-
isfying complete performance described in the data sheet.
