Cable Lengths - Siemens LME71 Series Basic Documentation

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4.4 Cable lengths

Terminal X2-01: Fan motor
Terminal X2-02: Multifunctional input
(POC, valve proving pressure switch),
refer to User Documentation A7105.x
Terminal X2-03 pin 1/2: Remote lockout
reset (laid separately)
Terminal X2-03 pin 2/3: Alarm
Terminal X3-02: Air pressure switch
Terminal X3-04 pin 1/2: Safety loop
Terminal X3-04 pin 3 to 5: Mains supply
line
Terminal X4-02 pin 1 to 3: Ignition
transformer
Terminal X5-01: Pressure switch-min
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
Terminal X7-01 pin 1 to 3 / X7-02 pin 1 to
3 / X7-04 pin 1 to 4: Fuel valve
Terminal X7-01 pin 1 to 3 / X7-04 pin 1 to
4: Pilot valve
Terminal X9-04: Multifunctional input
(valve proving pressure switch), refer to
User Documentation A7105.x
Terminal X10-05 / X10-06: Flame
detector
Terminal X56: Display, BC interface
Terminal X65: Load controller analog
input
Terminal X66: Actuator potentiometer
feedback
Terminal X76: PWM fan motor
Specification as per EN 60730-1
Type of shutdown or interruption of each circuit
Shutdown with microswitch
Mode of operation
Basic Documentation LME7...
4 Technical data
Max. 30 m (100 pF/m), unshielded
Max. 30 m (100 pF/m), unshielded
Max. 30 m (100 pF/m), unshielded
Max. 30 m (100 pF/m), unshielded
Max. 30 m (100 pF/m), unshielded
Max. 30 m (100 pF/m), unshielded
Max. 100 m (100 pF/m)
Max. 30 m (100 pF/m), unshielded
Max. 30 m (100 pF/m), unshielded
Max. 30 m (100 pF/m), unshielded
Max. 30 m (100 pF/m), unshielded
Max. 30 m (100 pF/m), unshielded
Max. 30 m (100 pF/m), unshielded
Refer to the Flame supervision chapter
For use under the burner hood or in a
control panel
Max. 1 m (100 pF/m), unshielded
Max. 30 m (100 pF/m), shielded
<10 m, use an unshielded cable
Max. 30 m (100 pF/m), unshielded
Max. 30 m (100 pF/m), unshielded
1 pole
Type 2 B
32/116
CC1P7105enr
24.07.2020