11
EN
Rev. 1 | 01/2020 | MS Safety Module | © 2020 |
Comepi srl
6.2.2 Automatic start
X3
X1
X2
A
Connection between X1 and X2.
The safety inputs S12 and S22 are operated:
• contact closed between S11 and S12
• contact closed between S21 and S22
The safety outputs switch ON
B
The opening of at least one safety input contact forces
immediately the safety outputs to the open state
C
A new operating cycle is possible only after releasing both
input contacts and then operating them again
Reset / Start
Input ch 1
Input ch 2
Safety output
Ts
∞
Ta
<160ms
Tr
<20ms
Ts Ta
Tr
Ts Ta
Tr
6.2.3 Monitored manual start
X3
X1
X2
Start
A
The start button is connected between X1 and X3.
The safety inputs S12 and S22 are operated:
• contact closed between S11 and S12
• contact closed between S21 and S22
The start button can be pressed at least 500ms after the
safety inputs are operated, to enable the safety outputs to
the active state
B
The opening of at least one safety input contact forces
immediately the safety outputs to the open state
C
A new operating cycle is possible only after releasing both
input contacts and then operating them again
Reset / Start
Input ch 1
Input ch 2
Safety output
Ts
∞
Td
> 500ms
Ta
<160ms
Tr
<20ms
Ts
Td
< 500ms
Ts