6
ADDITIONAL FUNCTIONS
6
Additional functions
6
Table 2: DC
WLD26
x-
Push-
xx111 xx112 xx113 xx114 xx115 xx116 xx421 xx422 xx721 xx722
pull
PNP
xx811 xx812 xx813 xx814 xx815 xx816 xxB21 xxB22
BN
WH
Q
Q
BU
BK
Q
Q
GR
-
-
Table 3: Push-pull, PNP, NPN
PNP
Push-pull
NPN
PNP
Push-pull
NPN
Alarm
Alarm output: The sensor (WLD26) features a pre-failure notification output ("Alarm" in
the connection diagram
[see table
ready for operation to a limited extent. The LED flashes in this case. Possible causes:
sensor or reflector is contaminated, sensor is out of alignment. In the good state: LOW
(0), if excessively contaminated HIGH (1).
Health
xxXXXxxxZZZ
+ (L+)
Alarm
Health
Alarm
Health
- (M)
Q
Q
Q
-
-
-
+ (L+)
Q ≤ 100 mA
Push-pull
‒ (M)
+ (L+)
Q ≤ 100 mA
Push-pull
‒ (M)
2]), which issues a notification if the sensor is only
-
Q
Q
Q
Q
Q
Q
Q
-
Test →
Test →
Test →
L+
L+
M
+ (L+)
PNP
Q ≤ 100 mA
NPN
‒ (M)
+ (L+)
PNP
Q ≤ 100 mA
NPN
‒ (M)
8020356.19RH / 15.01.2021 | SICK
Subject to change without notice
-
Q
Q
Test →
M