Application Examples - DOLD SAFEMASTER BH 5928 Manuel D'utilisation

Application Examples

L1
(+)
On
A1(+) S11 S33 S34
BH5928, BI5928
S22
A2(-) S21
N
(-)
Single channel emergency stop circuit. This circuit does not have any red-
undancy in the emergency-stop control circuit
Suited up to SIL2, Performance Level d, Cat. 3
L1
(+)
S13 S14 S31
A1(+) S11
BH5928, BI5928
A2(-) S21 S22
N
(-)
2-channel emergency stop circuit without cross fault monitoring autostart
and interruption of time by S1
Suited up to SIL3, Performance Level e, Cat. 4
L1
(+)
On
K4
K5
A1(+) S11 S34
S33
BH5928, BI5928
A2(-) S21 S22
N
K4 K5
(-)
S13
Contact reinforcement by external contactors controlled by one contact
path. S33 - S34 must be opened
Suited up to SIL3, Performance Level e, Cat 4, if the external contactors
are in the same cabinet and the wiring is short circuit and crossfault prove.
E. DOLD & SÖHNE KG • D-78114 Furtwangen
e-mail: dold-relays@dold.com • internet: http://www.dold.com
Off
E-stop
S12 S31 S32 13 .. ..
.. ..
Y40
Y39 14
M7074_a
E-stop
S1
Y40 13 .. ..
S32 Y39
.. ..
14
M7075_a
E-stop
S32
S31 13 .. ..
.. ..
14
Y39 Y40
K4 K5
M7076_d
auto start
S14
L1
(+)
On
A1(+) S11 S33
S21
A2(-)
N
(-)
Contact reinforcement by external contactors, 2-channel controlled. The
output contacts can be reinforced by external contactors with forcibly gui-
ded contacts for switching currents > 5 A.
Functioning of the external contactors is monitored by looping the NC
contacts into the closing circuit (terminals S13-S14 or S33-S34)
Suited up to SIL3, Performance Level e, Cat. 4
L1
(+)
On
A1(+) S31 S33
A2(-) S11
N
(-)
2-channel emergency stop circuit with cross fault detection
Suited up to SIL3, Performance Level e, Cat. 4
L1
(+)
On
A1(+) S11
S33
A2(-)
S21
N
(-)
activated No contact
(contact position: closed)
2-channel safety gate monitoring
Suited up to SIL3, Performance Level e, Cat. 4
•
PO Box 1251 • Telephone (+49) 77 23 / 654-0 • Telefax (+49) 77 23 / 654-356
20
E-stop
K4
K5
S34 S32 13
S31 23
BH5928, BI5928
..
14 24
S22
Y39 Y40
K4
K5
E-
stop
S21
S34 S32 S22 S22 13 ..
BH5928, BI5928
..
S12 Y39 Y40 14
M7078_a
Sliding guard closed
S1
S2
S12 S32
S34 13 ..
BH5928, BI5928
..
14
S22 Y39 Y40
M7079_a
BH 5928, BI 5928 / 16.02.17 en / 831
..
M7077_b
..
..
..
..