Application Examples - DOLD SAFEMASTER BG 5925 Mode D'emploi

Application Examples

Single channel emergency stop circuit. This circuit does not have any red-
undancy in the emergency-stop control circuit.
Note: Refer to „Unit programming"!
Switches in pos.: S1 no cross fault detection
Suited up to SIL2, Performance Level d, Cat. 3
L1
On
K4
K5
A1(+) S11
S33
A2(-) S21
N
Contact reinforcement by external contactors controlled by one contact
path.
Note: Refer to „Unit programming"!
Switches in pos.: S1 no cross fault detection
Suited up to SIL3, Performance Level e, Cat. 4
L1
On
K4
K5
A1(+) S11 S33
A2(-) S21
N
Contact reinforcement by external contactors, 2-channel controlled.
The output contacts can be reinforced by external contactors with forcibly
guided contacts for switching currents > 8 A.
Functioning of the external contactors is monitored by looping the NC
contacts into the closing circuit (terminals S33-S34).
Note: Refer to „Unit programming"!
Switches in pos.: S1 no cross fault detection
Suited up to SIL3, Performance Level e, Cat. 4
S2 manual start
E-stop
S34 S12 S22
13 .. ..
BG5925
.. ..
14
K5
K4
M7119_a
S2 manual start
E-stop
S34 S12 S22 13 23
BG5925
14 24
K4 K5
M7120_a
S2 manual start
2-channel emergency stop circuit without cross fault monitoring.
Note: Refer to „Unit programming"!
Switches in pos.:
Suited up to SIL3, Performance Level e, Cat. 4
2-channel safety gate monitoring.
Note: Refer to „Unit programming"!
Switches in pos.:
Suited up to SIL3, Performance Level e, Cat. 4
..
..
2-channel emergency stop circuit with cross fault detection
Note: Refer to „Unit programming"!
Switches in pos.:
Suited up to SIL3, Performance Level e, Cat. 4
19
S1 no cross fault detection
S2 manual start
S1 no cross fault detection
S2 manual start
S1 cross fault detection
S2 manual start
BG 5925 / 13.12.18 en / 048A