Function Diagram; Block Diagrams; Approvals And Markings; Applications - DOLD SAFEMASTER LG 5925 Manuel D'utilisation

Safety Technique
SAFEMASTER
Emergency Stop Module
LG 5925

Function Diagram

push button ON
emergency-stop
K1
K2

Block Diagrams

A1(+)A2(-) S11 S12 S22
Overvoltage and
Monitoring logic
short circuit prot.
K2
24V
Power K2
S21
M6666
LG 5925
All technical data in this list relate to the state at the moment of edition. We reserve the right for
technical improvements and changes at any time.
M6665
S33 S34 13 23 33 41
K1
K1
K2
K1
14 24 34 42
• According to
- Performance Level (PL) e and category 4 to EN ISO 13849-1
- SIL Claimed Level (SIL CL) 3 to IEC/EN 62061
- Safety Integrity Level (SIL) 3 to IEC/EN 61508 and IEC/EN 61511
• According to EN 50156-2 for furnaces
• Output: max. 4 NO contacts, see contacts
• LG 5925.54: 1 semiconductor output
• Single and 2-channel operation
• Line fault detection on On-button
• Manual restart or automatic restart, switch S2
• With or without cross fault monitoring in the E-stop loop, switch S1
• LG 5925.54: with cross fault monitoring in the E-stop loop
• LED indicator for state of operation
• LED indicator for channel 1 and 2
• Removable terminal strips
• Wire connection: also 2 x 1.5 mm
2 x 2.5 mm solid DIN 46228-1/-2/-3/-4
2
• As option with pluggable terminal blocks for easy exchange
of devices
- with screw terminals
- or with cage clamp terminals
• Width: 22.5 mm

Approvals and Markings

Applications

Protection of people and machines
• Emergency stop circuits on machines
• Monitoring of safety gates
• Usage in furnace application in continuous operation acc. to EN 50156-1
• Safe disconnection of the complete fuel supply in furnace applications
according to EN 50156-1 section 10.5.5.2

Indicators

LED "Netz": on when supply connected
LED K1/K2: on when relay K1 and K2 energized
S12 S22
A1(+)A2(-) S11
Overvoltage and
Monitoring logic
short circuit prot.
K2
24V
Power K2
S21
M9754
LG 5925.54
15
stranded ferruled, or
2
A025518
Canada / USA
S34 13 23 33 41
+
K1
K1/K2
K1
K2
K1
14 24 34 42 58
LG 5925 / 18.09.19 en / 152A