Siemens LME71 Series

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Smart Infrastructure Basic Documentation LME7... CC1P7105enr
4 Technical data 24.07.2020
4.4 Cable lengths
Terminal X2-01: Fan motor Max. 30 m (100 pF/m), unshielded
Terminal X2-02: Multifunctional input
(POC, valve proving pressure switch),
refer to User Documentation A7105.x
Max. 30 m (100 pF/m), unshielded
Terminal X2-03 pin 1/2: Remote lockout
reset (laid separately)
Max. 30 m (100 pF/m), unshielded
Terminal X2-03 pin 2/3: Alarm Max. 30 m (100 pF/m), unshielded
Terminal X3-02: Air pressure switch Max. 30 m (100 pF/m), unshielded
Terminal X3-04 pin 1/2: Safety loop Max. 30 m (100 pF/m), unshielded
Terminal X3-04 pin 3 to 5: Mains supply
line
Max. 100 m (100 pF/m)
Terminal X4-02 pin 1 to 3: Ignition
transformer
Max. 30 m (100 pF/m), unshielded
Terminal X5-01: Pressure switch-min Max. 30 m (100 pF/m), unshielded
Terminal X5-03 pin 1 to 4: Load controller Max. 30 m (100 pF/m), unshielded
Terminal X6-03 pin 1 to 3: Safety valve Max. 30 m (100 pF/m), unshielded
Terminal X7-01 pin 1 to 3 / X7-02 pin 1 to
3 / X7-04 pin 1 to 4: Fuel valve
Max. 30 m (100 pF/m), unshielded
Terminal X7-01 pin 1 to 3 / X7-04 pin 1 to
4: Pilot valve
Max. 30 m (100 pF/m), unshielded
Terminal X9-04: Multifunctional input
(valve proving pressure switch), refer to
User Documentation A7105.x
Max. 30 m (100 pF/m), unshielded
Terminal X10-05 / X10-06: Flame
detector
Refer to the Flame supervision chapter
Terminal X56: Display, BC interface For use under the burner hood or in a
control panel
Max. 1 m (100 pF/m), unshielded
Terminal X65: Load controller analog
input
Max. 30 m (100 pF/m), shielded
<10 m, use an unshielded cable
Terminal X66: Actuator potentiometer
feedback
Max. 30 m (100 pF/m), unshielded
Terminal X76: PWM fan motor Max. 30 m (100 pF/m), unshielded
Specification as per EN 60730-1
T
y
pe of shutdown or interruption of each circui
t
Shutdown with microswitch
1 pole
Mode of operation Type 2 B