13.05.2014 Views

SFN4D Relay Catalog - Panasonic Electric Works Europe AG

SFN4D Relay Catalog - Panasonic Electric Works Europe AG

SFN4D Relay Catalog - Panasonic Electric Works Europe AG

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

APPLICATION NOTES<br />

The <strong>SFN4D</strong> Safety <strong>Relay</strong><br />

<strong>SFN4D</strong><br />

NC contact 5-6<br />

Sub card 1<br />

Armature<br />

NO contact 12-11<br />

Remark:<br />

Only NC 5-6 monitors<br />

all NO contacts!<br />

NO contact 7-8<br />

Main card<br />

5<br />

7<br />

9<br />

12<br />

14<br />

16<br />

Sub card 2<br />

NO contact 14-13<br />

6<br />

8<br />

10 11<br />

13<br />

15<br />

NO contact 9-10<br />

NC contact 16-15<br />

Legend for interpreting contact conditions<br />

Contact NC (Normally Closed) NO (Normally Open)<br />

Condition Closed Fully open Open Open or closed Closed Fully open Open Open or closed<br />

Symbol<br />

Contact gap 0<br />

Maximum<br />

(~1.5mm)<br />

>0.5mm<br />

(forcibly guided)<br />

Not defined 0<br />

Maximum<br />

(~1.5mm)<br />

>0.5mm<br />

(forcibly guided)<br />

Not defined<br />

The <strong>SFN4D</strong> under normal operating conditions<br />

Condition Illustration of <strong>Relay</strong> State Condition of Contacts<br />

- Coil deenergized.<br />

- Armature in deenergized<br />

position.<br />

- NC contacts closed.<br />

- NO contacts have a contact<br />

gap of approx. 1.5mm.<br />

5<br />

6<br />

7<br />

8<br />

9 12<br />

10 11<br />

14<br />

13<br />

16<br />

15<br />

- Coil energized.<br />

- Armature in energized<br />

position.<br />

- NO contacts closed.<br />

- NC contacts have a contact<br />

gap of approx. 1.5mm.<br />

5<br />

6<br />

7<br />

8<br />

9 12<br />

10 11<br />

14<br />

13<br />

16<br />

15<br />

ds_61408_en_sfn4d: 130312D<br />

5

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!