R7M-SV4
P. 1 / 7
EM-7803-A Rev.6
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax:
+81(6)6659-8510 E-mail: [email protected]
DC VOLTAGE/CURRENT INPUT MODULE, 4 points
(Modbus)
MODEL
R7M-SV4
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.
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PACKAGE INCLUDES:
DC voltage/current input module .......................................(1)
Terminating resistor (110Ω, 0.25W) ...................................(1)
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MODEL NO.
Confirm that the model number described on the product is
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
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NONINCENDIVE APPROVAL OPTION
• This equipment is suitable for use in Class I, Division 2,
Groups A, B, C, D or Non-Hazardous Locations only.
• WARNING! – Explosion Hazard –
Substitution of any component may impair suitability for
Class I, Division 2.
• WARNING! – Explosion Hazard –
• DO NOT disconnect while the circuit is live or unless the
area is known to be free of ignitable concentrations.
• Temperature Code of this equipment is T5 and the Maxi-
mum Ambient Temperature is 55°C (Surrounding Tem-
perature inside the fire enclosure).
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CONFORMITY WITH UL APPROVAL
• This equipment is suitable for use in Installation Catego-
ry II and in a Pollution Degree 2 environment.
• Altitude up to 2000 meters.
• This equipment must be mounted inside a suitable fire
enclosure.
• This equipment is to be supplied by a Class 2 power sup-
ply.
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CONFORMITY WITH EU DIRECTIVES
• The equipment must be mounted inside the instrument
panel of a metal enclosure.
• The actual installation environments such as panel con-
figurations, connected devices and connected wires may
affect the protection level of this unit when it is integrat-
ed 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.
• Install lightning surge protectors for those wires connect-
ed to remote locations. Choose a surge protector with its
maximum surge voltage 40V or less between lines. Rec-
ommended M-System model: MDP-D24.
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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:
24V DC rating: 24V ±10%, approx. 90mA
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GENERAL PRECAUTIONS
• Before you remove the unit or mount it, turn off the power
supply and input signal for safety.
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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 -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.
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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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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.
