Chapter 9 Operating Instructions
WSU/WEU263
34 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8013338/YTA4/2016-03-24
Subject to change without notice
Technical specifications
Minimum Typical Maximum
Sender unit
Wavelength 950 nm
Volt-free normally closed contact or wire jumpers
between the test contacts
1
)
Test input
Type of circuit:
– Duration of the actuation of
the normally closed contact
– Response time to test input
signal
5
0 ms
150 ms
200 ms
Power consumption 6 W
Weight 1 kg
Receiver unit
Outputs Volt-free relay contacts, 2 normally open contacts,
1 normally closed contact (2 normally closed contacts
connected in parallel internally)
Contact material Ag alloy with Au coating
Switching frequency 0.2 Hz
Switching voltage 10 V DC
10 V AC
30 V DC
230 V AC
Switching current 20 mA 2 A
Mechanical life relay contacts Z 10
7
switching operations
Electrical service life of relay
contacts with reference loads
Z 10
5
switching operations
Reference loads by usage
category
AC-15 with 230 V, 2 A,
AC-1 with 230 V, 2 A,
DC-1 with 24 V, 2 A,
DC-13 with 24 V, 1.5 A
Response time 22 ms
Switch-off time 80 ms
Power consumption 8 W
Weight 1 kg
1)
Connect the contacts on the WSU26-3 only to circuits that comply with the requirements for safety extra-low
voltage (SELV/PELV).
To Next Page
Loading...
Need help?
General
