Additional Functions - SICK W34 Betriebsanleitung

6

Additional functions

8009200.1DM8/2022-09-05 | SICK
Subject to change without notice
Table 6: AC/DC relay
3
H
D
H
D
Alarm
Alarm output: the sensor (WE34-Vxxx) features a pre-failure notification output ("Alarm"
in connection diagram [see "WS/WE34-Bxxx, WS/WE34-Vxxx", page
a notification if the sensor is only ready for operation to a limited extent. Possible
causes: sensor is contaminated, sensor is out of alignment. PNP: Alarm → M signal
reserve > 50% LOW, NPN: Alarm → L+ signal reserve > 50% HIGH. The LED indicator
flashes in this case.
Table 7: Alarm
OPERATING INSTRUCTIONS
Relay
3 3
4 4
5 5
3 3
4 4
5 5
Alarm (≤ 100 mA)
O P E R A T I N G I N S T R U C T I O N S | WS/WE34
WE34-R2x0
I = 4 A@250 V AC
max.
4 A@24 V DC
0.125 A@250 V DC
UL: 4A @ 250 V AC, general
use
4A @ 250 V AC, resistive
(NO)
3A @ 250 V AC, resistive
(NC)
4A @ 24 V DC, NO, general
use
3A @ 24 V DC, NC, general
use
R300
B300 (NO contacts only)
25]), which issues
+ (L+)
Alarm
– (M)
+ (L+)
Alarm
– (M)
27
en