25
6.4.2. Sensor configuration
Single-channel emergency stop circuit with command devices to DIN EN ISO 13850 (EN 418) and
EN 60947-5-5
• Wire breakage and earth leakage in the control circuits are
detected.
• Category 1 – PL „c“ to DIN EN ISO 13849-1 possible.
S12
S11
S22
S12
nQS
QS
Dual-channel emergency stop circuit with command devices to DIN EN ISO 13850 (EN 418) and
EN 60947-5-5
• Wire breakage and earth leakage in the control circuits are
detected.
• Cross-wire shorts between the control circuits are not detected.
• Control category 4 – PL e to DIN EN ISO 13849-1 possible
(with protective wiring)
S12
S11
S22
S21
nQS
QS
Dual-channel emergency stop circuit with command devices to DIN EN ISO 13850 (EN 418) and
EN 60947-5-5
• Wire breakage and earth leakage in the control circuits are
detected.
• Cross-wire shorts between the control circuits are detected.
• Control category 4 – PL e to DIN EN ISO 13849-1 possible
S12
S11
S22
S21
nQS
QS
Single-channel guard door monitoring circuit with interlocking devices to ISO 14119
• At least one contact with positive break required.
• Wire breakage and earth leakage in the control circuits are
detected.
• Category 1 – PL „c“ to DIN EN ISO 13849-1 possible.
S12
S11
S22
S12
nQS
QS