M-system R7C-EA8 Manuale utente

5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN

Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp

EM-7801-N Rev.4 P. 1 / 6

INSTRUCTION MANUAL

DISCRETE INPUT EXTENSION MODULE, 8 points

(CC-Link V.1.10) MODEL R7C-EA8

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:

Discrete input extension module........................................(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.

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, 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.

■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. 10mA

■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.

R7C-EA8

5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN

Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp

EM-7801-N Rev.4 P. 2 / 6

COMPONENT IDENTIFICATION

01234567

Discrete Input Status Indicator LED

Input Terminals

786910

23145

■DISCRETE INPUT STATUS INDICATOR LED

LED indicators show the signal status.

ON : LED ON

OFF : LED OFF

■INPUT TERMINAL ASSIGNMENT

COM

NO. ID FUNCTION NO. ID FUNCTION

1 COM Common 6 NC No Connection

2 X0 Input 0 7 X1 Input 1

3 X2 Input 2 8 X3 Input 3

4 X4 Input 4 9 X5 Input 5

5 X6 Input 6 10 X7 Input 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

Connect the unit as in the diagram below.

■EXTERNAL DIMENSIONS unit: mm (inch)

11.5

(.45)

786910

23145

65 (2.56)

30 (1.18) [5 (.20)]

3 (.12)5.5 (.22)

DIN RAIL

35mm wide

54 (2.13)

17 (.66)

50 (1.97) 18.5 (.73)

10–M3 SCREW

TERMINALS

for INPUT

6 (.24)

R7C-EA8

5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN

Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp

EM-7801-N Rev.4 P. 3 / 6

■CONNECTION DIAGRAM

COM

EXTENSION CONNECTOR

■ Input Connection Examples

PNP Connection

NPN Connection

COM

–+

COM

–+

WIRING INSTRUCTIONS

■SCREW TERMINAL

Torque: 0.5 N·m

■SOLDERLESS TERMINAL

Refer to the drawing below for recommended ring tongue

terminal size. Spade tongue type is also applicable.

Applicable wire size: 0.25 to 1.65 mm2(AWG 22 to 16)

Recommended manufacturer: Japan Solderless Terminal

MFG. Co., Ltd, Nichifu Co., Ltd

6 (.24) max

3.3 (.13) max

mm (inch)

CONFORMITY WITH CE MARKING

■CE MARKING

CE marking requires to integrate safety regulations existed in each country in EU territory and to secure smooth distribution

of products of which safety is guaranteed. It is mandatory by law that products distributed and sold in EU territory to have

CE mark which shows that the product conforms with the requirements of EU Directive. Each EU Directive describes the

scope of apparatuses to which that EU Directive is applied. M-System’s R7C must conform with EMC Directive.

Each Directive states only basic requirements. In order to mark the CE on an assembled machinery equipment, its manufac-

turer needs to check the overall conformity with Directives applicable 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 stated below.

• Use control panels with an internal panel plate, both made of metal, when installing the R7C.

• Make sure to adequately ground the control panel and the internal panel plate with a thick cable to maintain low imped-

ance at high frequency.

• Use shielded cables for the signals taken out of the control panel.

• Choose a thick and short cable to ground the FG terminal of the R7C module to the internal panel plate of the control panel.

Note: If electromagnetic radiation disturbance increases by grounding the FG terminal, remove the grounding.

• When painting the internal plate of the control panel, apply masking to expose metal surface to secure conductivity at the

sections where the following parts are attached:

- Bolts attaching the internal panel to the control panel

- Ground for the FG of the R7C module

- Earth clamp on the shielded cable

• Noise emissions inside the control panel might leak through its openings. Design them as small as possible. Recommended

diameter is 10 cm or less.

Supplement:

Additional measures may be taken depending upon actual installation sites. These points of cautions are illustrated in the

next page.

R7C-EA8

5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN

Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp

EM-7801-N Rev.4 P. 4 / 6

• Prevent noise leakage by wrapping cables using shield covers, shield tubes and ﬂexible conduits etc. if noise leaks through

the cable outlet.

• Use an electromagnetic shield gasket and block up the gap between the control panel cabinet and its cover, if noise leaks

through it.

• Connecting the internal panel plate and the cover of the control panel to the main cabinet using an earth strap may be

effective to strengthen the grounding.

• Electromagnetically shielded control panel cabinet is effective for 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 be strengthened and

EMC may be improved.

Ground the control panel

at low impedance using

(e.g.) braided wires.

Keep the opening for

ventilation as small as

posible.

Attach an electro-

magnetically shielded

filter when noise leaks

through the opening.

Install the R7C Series inside

a control panel.

Attachment part of earth

clamp should be fixed with

screw in conduction with the

internal panel plate.

• Points of cautions applicable when installing the R7C Series

R7C-EA8

5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN

Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp

EM-7801-N Rev.4 P. 5 / 6

■WARNINGS AND CAUTIONS WHEN LAYING CABLES

Signal cables connected to the R7C contain high-frequency components. Since these cables has the same effect as an anten-

na, they emit these high-frequency components to the external space as noise or overlaps noise from the external space on

themselves.

Cables with shielding should be used for the signal line due to the above reason.

EMC conformance test is conducted in the condition that shielded cables and earth clamps are used with the R7C.

Warning and cautions when laying cables are stated below. These points of cautions are illustrated in the next page.

• Use shielded cables for those signal cables installed out of the control panel and for thermocouple and RTD extension wires.

• All the network cables connected to R7C should be shielded.

• Use exclusively designed cables for the CC-Link.

• Expose the shield at a part of the cable cover, clip it with an earth clamp, and ground it to the internal panel of the control

panel. A drain wire connected to the panel in a pig-tail form cannot maintain low impedance against high-frequency noise,

thus grounding (noise shielding) in this form will not be effective.

Supplement:

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 control panel or close to the I/O terminal or connector, whichever is more effective. Also, the impact

might be reduced by winding the cable around the ferrite core for extra turns or attaching multiple ferrite cores.

• Keep cables which are easily affected by noise away from those which can be a noise source.

Motor Drive

Cable

Power Supply

Cable

DC Signal Cable

Network Cable

Analog Signal

Cable

Often being a noise source Often subject to noise interference.

In the following are examples of effective ways to lay cables separately:

• Keeping physical distance (farther than 20 cm from motor drive cables, farther than 10 cm for other groups).

• Dividing off by a grounded metal plate

• Grouping into separate grounded metal pipes or cable shields.

Wires on each side of a ﬁlter should not be too close to each other. Noise could ride onto the other side of cable.

Extra attention needs to be paid at the following parts.

• Noise ﬁlter that is enclosed in power cables.

• Ferrite core that is attached to signal cables.

• Noise limiting circuit (surge quenching circuit, transient absorber circuit, etc.) that is enclosed in signal cables.

R7C-EA8

5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN

Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp

EM-7801-N Rev.4 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.

Indice

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