Device description
Leuze electronic GmbH + Co. KG
MSI-TR1B / MSI-TR2B
10
a
Single light beam safety device transmitter (SLS 46C)
b
Single light beam safety device receiver (SLE 46C)
c
Safety relay for type 2 evaluation (MSI-TRxB)
d
Activation of the transmitter and testing of the single light beam safety device
e
Evaluation of the switching output of the single light beam safety device
f
Operating mode: restart interlock (RES) active
g
External reset button for manually resetting the protective device
h
Monitoring of external contactor contacts (EDM)
i
Potential-free normally open contacts with positive opening for the safe shutdown of, e.g., actuators
Figure 3.3: Example setup of the complete safety system with EDM and manual reset of the safety func
-
tion (restart interlock).
3.1
Device overview
Device versions:
• MSI-TR1B: standard safety monitoring device for type-2 sensors.
• MSI-TR2B: safety monitoring device with extended filter time (switches only after a continuous inter
-
ruption > 130 ms; ignores small parts).
3.2
Display elements
The display elements of the safety relay simplify start-up and fault analysis.
1
2
-F97
21
22
-K76
8
21
22
-K77
9
-F98
A1
A2
-K76
-F99
A1
A2
-K77
21
22
8
21
22
8
15
0V
13
Er
ro
r
14
29
EDM
4
24
PE
7
Re
se
t
sa
fe
ty
sa
fe
ty
0V
BN
22
A5
L+
31
+2
4V
23
L-
Tr
an
sm
itt
er
ac
tiv
at
ion
ac
tiv
at
ion
+24V
-W1
MO
D
E
OS
S
D
-1
-W1
SS
D
-1
SS
D
-2
D
ia
gno
si
s
OS
S
D
-2
NC
L-
Leuze
0V
0V
0V
SH
BU
+2
4V
SH
BK
L+
BK
BU
OUT
-W2
0V
MSI-TRxB-0x
-W2
16
4
+2
4V
30
Re
ce
iv
er
A1
2
act
iv
e
A3
State
6
FE
21
BN
FE
*
SLE46C
8
MS
I
res
tart
res
tart
PE
3
5
*
2
1
A
uto
m
ati
c
rese
t
rese
t
Leuze
SLS46C
1
Leuze
3
0V
32
+24V
S
af
tey on
Man
ual
r
ese
t
r
ese
t
D
E
F
G
H
I
J
K
L
Figure 3.4: MSI-TR1B
Figure 3.5: MSI-TR2B
