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R7M-CT4E

P. 1 / 7

EM-7803-R Rev.3

5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: 

+81(6)6659-8510  E-mail: [email protected]

AC CURRENT INPUT MODULE, 4 points

(Modbus; clamp-on current sensor CLSE use)

MODEL

R7M-CT4E

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.

 

PACKAGE INCLUDES:

AC current input module ....................................................(1)
Terminating resistor (110Ω, 0.25W) ...................................(1)

 

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

 

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.

 

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. 100mA

 

GENERAL PRECAUTIONS

• 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 -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.

 

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.

Содержание R7M-CT4E

Страница 1: ...nts 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 pro...

Страница 2: ...otary switch 5 4 3 2 1 0 9 8 7 6 Baud Rate Setting 0 38 4 kbps factory setting 1 19 2 kbps 2 9600 bps 3 4800 bps EXTENSION MODULE Combinations with all extension modules are selectable OPERATING MODE...

Страница 3: ...2 K3 L3 INPUT 3 12 13 15 16 17 18 Input Connection Example Kn Ln LOAD SOURCE k l CLAMP ON SENSOR EXTENSION CONNECTOR In order to improve EMC performance bond the FG terminal to ground Caution FG term...

Страница 4: ...EMC Direc tive while it is installed in the control panel Warning and cautions when installing R7M are stated below Use control panels with an internal panel plate both made of metal when installing...

Страница 5: ...using an electro magnetically shielded control panel By connecting the internal panel plate and the panel cover with an earth strap grounding may be strengthened and EMC may be improved Ground the con...

Страница 6: ...dditional measures may be taken depending upon actual installation sites These points of cautions are illustrated in the next page Keep cables as short as possible It prevents noise emissions from the...

Страница 7: ...m is not effective Points of cautions applicable when wiring the R7M Series To external apparatus Keep the cable as short as possible To external apparatus Shielded Cable Earth Clamp Remove a part of...

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