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EM-7801-O  Rev.2  P. 1 / 6

INSTRUCTION MANUAL

NPN TRANSISTOR OUTPUT EXTENSION MODULE, 8 points

(CC-Link V.1.10)

MODEL

R7C-EC8A

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 output 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

 

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 Max-

imum Ambient Temperature is 55°C (Surrounding Tem-
perature inside the fire enclosure).

 

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.

 

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 output 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.

056 222 38 18

[email protected]

www.sentronic.com

SENTRONIC

AG

Summary of Contents for R7C-EC8A/UL

Page 1: ...d 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 in a panel system The user may have to review the CE requirements in regard to the whole syst...

Page 2: ... 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 Connect the unit as in the diagram below EXTERNAL DIMENSIONS unit mm inch 11 5 45 7 8 6 9 10 ...

Page 3: ...ol 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 t...

Page 4: ...ep 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 b...

Page 5: ...tions 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 im...

Page 6: ...tus 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 056 222 38 18 mailbox sentronic ...

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