NORSTAT Safety Relays - Manual (Page 23)

DEVICE SAFE CL
Safety controller
APPLICATIONS for safety light barriers and safety light curtain
APPROVALS CE, TÜV, UL, C-UL
CONTACTS 4 OSSD
LED indicators for status and supply diagnostic
SPECIAL CHARACTERISTICS wearless contacts, "AND" function between several SAFE C possible,
automatic start possible
LED Power, channel 1, channel 2
24 V DC ( + 25 - 20 % )
OPERATING VOLTAGE Overvoltage protection
POWER CONSUMPTION ca. 3 W
START UP DELAY / FALLBACK TIME < 70 ms / < 30 ms
CONTACT CAPACITY max. total current bis 1,8 A
CONTACT CAPACITY min. at 24V DC (*) infinite
SIMULTANEITY S12 before S22 < 0,5 s / S22 before S12 infinite
ENVIRONMENTAL TEMPERATURE -25°C to +55°C
SWITCHING CAPACITY to 43 W
CONTACT SECURITY short circuit proof
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
Even ESPE type 4 with OSSDs and relay contacts as well as ESPE type 2
with one OSSD and test input are supported. Monitoring of movement
direction is available by different simultaneousnesses.
BWS - Empfänger
ESPE - receiver
24VAC/DC
S21 S34 A1 A2 S22 S12
44 34 24 14
start
GND
PNP PNP
S32 S11 S33 S35
S36 S37
FUNCTION CIRCUIT DIAGRAM
A1 A2
Power Input circuits
S12 S22 S34 S35 S36
Output
circuits
Combination
circuit
S11 S21 S33
MCU1
MCU2 Saf
et y o
ut pu
t ci
rc ui ts
14
24
34
44
S32 S37
Certifications according to
Safety relevant substance data
Depending on wiring (only max. values are given)
EN ISO 13849-1/ EN 61508: PLe, Cat. 4 / SIL3
MTTFd: 163 years / high, DC: high, CCF: achieved
PFH: 2,87*10 -9 1 /
h
, PFD: 2,01*10 -6 1 /
h,
SFF: 0,9573
NORSTAT INC. 300 Roundhill Dr. Rockaway, NJ 07866 Tel: 973-586-2500 Fax: 973-586-1590 www.norstat.com