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Device safe m / safe m.1 – NORSTAT Safety Relays User Manual

Page 20

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DEVICE

SAFE M / SAFE M.1

Mat and contact edges control relay with a max. mats-resistance

APPLICATIONS

of 200 ohms

APPROVALS

CE, TÜV, UL, C-UL

CONTACTS

3 normally open safety, 1 normally auxiliary closed

LED indicators for status and supply diagnostic

SPECIAL CHARACTERISTICS

Opposite polarity between chanels

With (SAFE M) and without (SAFE M.1) automatic start

LED

Power, channel 1 and channel 2

OPERATING VOLTAGE

24 V AC / DC (electronic fuse)

SAFE M: 115 V AC (with galvanic disconnection/transformer)

POWER CONSUMPTION

24, 115 V AC: ca. 5 VA, 24 V DC: 3 W

START UP DELAY / FALLBACK TIME

< 50 ms / < 30 ms (24 V AC < 50 ms)

CONTACT CAPACITY max.

5 A, 240 V AC, 24 V DC

CONTACT CAPACITY min. at 24V DC (*)

6 mA

SIMULTANEITY

ENVIRONMENTAL TEMPERATURE

-25°C to + 55°C

SWITCHING CAPACITY

1200 VA (resistive load)

CONTACT SECURITY

6,3 A quick acting (normally open) or 4 A time lag (normally closed)

OPERATING MODE

(*) We offer all devices who have a CONTACT

CAPACITY of min. 100 mA at 24 V DC with

hard gold-plated contacts. In this way the

CONTACT CAPACITY of min. 100 mA is only 4 mA.

Please ask our sales team!

CONNECTION DIAGRAM

A supply voltage must be applied to terminals A1 and A2. Power LED

illuminates and 24V DC is available at terminal S11. Terminals S12 and S22

must be connected according to the application example selected to meet

the application requirements. To start the unit terminals S33 and S34 must

be bridged with a normally open contact. The unit works if you close this

contact. At this time the contacts 13-14, or bridge for automatically start 23-

24 and 33-34 are closed. The LEDs channel 1 and channel 2 illuminate. In

series to this start button an external contactor can be controlled.

For automatic start (SAFE M only) the terminals S33 and S34 must be

brigded. The safety mats and safety bars must be of 4 wire technology or 2

wire technology and have to agree to the cross circuit principle.

For version with detachable clamps (screw - or cage clamps) ...

please ask our sales team!

S33

S11 S21

S12

S34

Start

S22

FUNCTION CIRCUIT DIAGRAM

S12

Überwachungslogik /

monitoring logic

~

~

~~

+

=

K1

elektr. Sicherung

electr. fuse

Transformator

transformer

A1

(+)

A2

(-)

S34

S33

S11

14

K2

K2

34

24

42

13

K1

S22

S21

33

23

41

Certifications according to

Safety relevant substance data

Depending on wiring (only max. values are given)

EN ISO 13849-1: PLe, Cat. 3

MTTFd: 73,21 years / high, DC: 90% / medium, CCF: achieved

PFH: 5,81*10

-9 1

/

h

, SFF: 99%

NORSTAT INC. 300 Roundhill Dr. Rockaway, NJ 07866

Tel: 973-586-2500 Fax: 973-586-1590 www.norstat.com