SFN4D Relay Catalog - Panasonic Electric Works Europe AG
SFN4D Relay Catalog - Panasonic Electric Works Europe AG
SFN4D Relay Catalog - Panasonic Electric Works Europe AG
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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