Electrical connection
Leuze electronic GmbH + Co. KG
MSI-SR5B
19
7.2.1 Selecting the operating modes
The following four operating modes can be selected through external wiring of the safety relay:
7.2.2 Acceptance of pending sensor signals (S1 and S2), for both channel 1 (Sx1) and channel 2 (Sx2)
• For the OSSDs to release, both sensors (S1 and S2) must have satisfied the conditions shown
above.
• The time offset between the sensors (S1 and S2) is arbitrary.
7.2.3 Acceptance of the RES manual release signal via the start button at (RES-I)
• At time t
1
, all four channels (Sx1, Sx2) must have satisfied the release condition (see chapter 7.2.2
"Acceptance of pending sensor signals (S1 and S2), for both channel 1 (Sx1) and channel 2 (Sx2)").
• Release signal RES must be applied for at least
u
150 ms.
Automatic start/restart
WA
24
p
16
Start/restart interlock
RES
0V
p
RES
p
16
Automatic start/restart and contactor monitoring
RS + EDM
24
p
K3/K4
p
16
Start/restart interlock and contactor monitoring
RES + EDM
0V
p
K3/K4
p
RES
p
16
t < 60 s
Sx1
Sx2
t < 60 s
OSSDs
Sx1
Sx2
OSSDs
350 ms
350 ms
RES
150 ms
>
t1
t2
OSSDs
50 ms
