Omron Sti SR120MP Operating Instructions Manual page 6

Functional Diagram SR120/220MP
Limit switch monitoring
on protective guard with
automatic start
Input A
S21-S22
Input B
S31-S32
Input
S13-S14 (NO)
Output
13-14/23-24/33-34 (NO)
Output 41-42 (NC)
Output (K1+K2)
Y31-Y32
Output (Power)
Y31-Y54
Output (Input A)
Y31-Y64
Output (Input B)
Y31-Y74
t =
Monitoring of a safety
lightbarrier (ESPE)
with semiconductor
safety outputs
Input A
S21-S22
Input B
OSSD1(ESPE) - S32
Input
OSSD2(ESPE) - S12
Start button
S33-S34 (NO)
Output
13-14/23-24/33-34 (NO)
Output 41-42 (NC)
Output (K1+K2)
Y31-Y32
Output (Power)
Y31-Y54
Output (Input A)
Y31-Y64
Output (Input B)
Y31-Y74
t ≤ 2s
Limit switch monitoring
on protective guard with
automatic start and
synchronous time monitoring
Input A
S21-S22
Input B
S31-S32
Input
S13-S14 (NO)
Output
13-14/23-24/33-34 (NO)
Output 41-42 (NC)
Output (K1+K2)
Y31-Y32
Output (Power)
Y31-Y54
Output (Input A)
Y31-Y64
Output (Input B)
Y31-Y74
t = 2s
Safety mat or pressure
sensitive safety rail
monitoring with
monitored start
Input
S11-S12
Input A
S21-S22
Input B
S31-S32
Start button
S33-S34 (NO)
Output
13-14/23-24/33-34 (NO)
Output 41-42 (NC)
Output (K1+K2)
Y31-Y32
Output (Power)
Y31-Y54
Output (Input A)
Y31-Y64
Output (Input B)
Y31-Y74
t ≤ 2s t ≤ 2s
Emergency stop monitoring
or limit switch monitoring
Input A
S21-S22
Input B
S31-S32
Start button
S33-S34 (NO)
Output
13-14/23-24/33-34 (NO)
Output 41-42 (NC)
Output (K1+K2)
Y31-Y32
Output (Power)
Y31-Y54
Output (Input A)
Y31-Y64
Output (Input B)
Y31-Y74
t = 4s t ≤ 2s
Legend:
1
0