35
Fitting and installation
EN
Power supply
Voltage
The actual operating voltage applied must be measured directly at the Technilock
®
L4.
Measurement position Voltage range
Supply voltage (voltage at the mains adapter in free-wheeling
state)
24 V +15 % DC regulated 4 A
Operating voltage (voltage at the Technilock
®
L4) 24 V +15 % / –10 % DC regulated 4 A
The minimum operating voltage is 21.6 V and the maximum supply voltage is 27.6 V.
Power
Measuring time Power
Rated current (with 24V DC) = pull power of the Technilock
®
L4 4.00 A
Withstand current = current after 0.5 s electronically reduced to 0.25 A
Wiring and mains adapter
The following cable type and mains adapter are recommended for the power supply of the Technilock
®
L4:
· Cable 844ZBKAB01---00 (2 X 1.5 mm² + 6 X 0.14 mm²) with a maximum length 25 m.
· Mains adapter 1003-24-4 with adjustable output voltage in a synthetic cover with screw connection
terminals.
Voltage loss through wiring
The voltage loss through the connecting cable must be factored in so that the Technilock
®
L4 functions
safely. The voltage loss must be calculated with a rated current of 4 A. The copper wires have the constant
for the specific conductivity 56.
Supply voltage Cable Voltage loss
hrough the wire
Operating voltage Permissibility
U
Mains adapter
844ZBKAB01---00 U
Loss
U
Technilock
®
L4
U
Loss
= 2 x cable length x 4 amperes : 56 : Cable cross-section
The formula only applies for copper wires.
24 V 25 m (2 x 1.5 mm²) 2.4 V 21.6 V permitted
24 V 25 m (2 x 1.0 mm²) 3.6 V 20.4 V not permitted
24 V 10 m (2 x 1.0 mm²) 1.4 V 22.6 V permitted
Voltage at the mains
adapter increased:
27.6 V 25 m (2 x 1.5 mm²) 2.4 V 25.2 V permitted
27.6 V 25 m (2 x 1.0 mm²) 3.6 V 24.0 V permitted
27.6 V 10 m (2 x 1.0 mm²) 1.4 V 26.2 V permitted
Cable type
Mains adapter
Factor in voltage loss
via connecting cable
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