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R7C-EC8A

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-7801-O  Rev.2  P. 6 / 6

Noise

Filter

Motor
Drive Cable

Maintain distance between
cables and noise sources.

Grounding in pig tail form
is not effective.

• Points of cautions applicable when wiring the R7C Series

To external apparatus

Keep the cable as 
short as possible.

To external apparatus

Shielded

Cable

Earth
Clamp

Remove a part of the shielded

cable cover and ground it 

to the internal panel 

plate using an earth

clamp.

To connect with 

apparatuses outside 
the control panel via 

CC-Link, ground the

cable shield using

an earth clamp.

Keep the wires away from 
each other at both ends of 
the filter.

Summary of Contents for R7C-EC8A

Page 1: ...his equipment must be mounted inside a suitable fire enclosure This equipment is to be supplied by a Class 2 power sup ply 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 connected wires may af fect the protection level of this unit when it is integrated...

Page 2: ... Y2 9 Y5 4 Y4 10 Y7 5 Y6 NO ID FUNCTION NO ID FUNCTION 1 0V 0V common 6 24V 24V DC 2 Y0 Output 0 7 Y1 Output 1 3 Y2 Output 2 8 Y3 Output 3 4 Y4 Output 4 9 Y5 Output 5 5 Y6 Output 6 10 Y7 Output 7 CONNECTING THE EXTENSION MODULE 1 Remove the extension connector cover located at the side of the basic module 2 Connect the extension module 3 Mount the combined module on a DIN rail TERMINAL CONNECTIONS...

Page 3: ...e to it WARNINGS AND CAUTIONS WHEN INSTALLING THE R7C The R7C needs to be installed in a control panel This is effective not only to ensure general safety but also to contain noise emissions by the R7C inside the control panel We conduct a series of testing to see that the product conforms to EMC Direc tive while it is installed in the control panel Warning and cautions when installing R7C are sta...

Page 4: ...shielding Use e g a shield cover when noise leaks through the opening To external apparatus Keep the opening for cabling as small as possible Install an electromagnetically shielded gasket when noise leaks through the opening Shielding is strengthened by using an electro magnetically shielded control panel By connecting the internal panel plate and the panel cover with an earth strap grounding may...

Page 5: ... Additional 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 cables and noise overlapping to the cables Attach a ferrite core to reduce noise impact to the signal cables susceptible to the noise Ferrite core can be attached close to the cable outlet of the c...

Page 6: ...m is not effective Points of cautions applicable when wiring the R7C Series To external apparatus Keep the cable as short as possible To external apparatus Shielded Cable Earth Clamp Remove a part of the shielded cable cover and ground it to the internal panel plate using an earth clamp To connect with apparatuses outside the control panel via CC Link ground the cable shield using an earth clamp K...

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