32
BH 5910 / 200217 / 190A
Safety gates and E-stop
(switch 1 in position 4)
; Application example
Pic. 12: Gate monitor and E-stop, 1 gate with 3 NO gate contacts and 1 e-stop loop (switch 1 position 4; switch 10 position 2)
gate closed,
E-stop loop closed
closed
open
safety gate
simulation
or start
S1
S2
S3
L+
L -
M8443_a
BH5910
K1
K2
13
23
33
34
24
14
48
58
A2-
A1+
S11 S12 S14 S13
S21 S22 S24 S23
S31 S32 S34 S33
S41 S42 S44 S43
E-
stop
failure state
machine enabling
23
23
13
13
14
14
24
24
actuator
actuator
actuator
actuator
actuator
actuator
sensor 1
sensor 11
sensor 2
sensor 12
sensor 10
sensor 20
emergency
stop
A1(+) S11
S21
S13
S23
S14
S24
S12
S22
13
14 24 34
23 33
L+
A2(-)
L-
M8248_h
S31
S44
S32
S43
S41 S42
S33
S34
simulation
BH5910
NE5021
NE5021
NE5021
NE5021
NE5021
NE5021
Pic. 13: Gate monitor and E-stop, safety gate monitoring with up to 20 magnetic coded safety switches NE 5021 + 1 e-stop loop (switch 1 position 4;
switch 10 position 0 or 3)