User manual of EC160 elevator intelligent integrated machine Installation and wiring
36
4.5.3 Connection precautions of peripheral devices
4.5.3.1 Power supply
The voltage of the power supply corresponds to the rated voltage of the machine, the fluctuation
range<7%.
4.5.3.2 Breaker
The breaker is needed between the power supply and the input terminals of the integrated
machine.
The capacity of the breaker is 1.5~2 times of the rated current of the intelligent integrated machine.
4.5.3.3 AC reactor at the input side
Improve the power factor of the power supply and reduce the harmonic current.
4.5.3.4 Filter at the input side
Suppress the interference caused by high-frequency noise.
4.5.3.5 Output contactor in main circuit
Control the current of the tractor. The contactor will close when the elevator starts and release
when the elevator stops. It is recommended to refer to the electrical diagram of our company to
install two contactors between the drive device and the tractor.
4.5.3.6 Filter at the output side
Suppress the noise interference and the leakage current.
4.5.3.7 AC reactor at the output side
Suppress the radio frequency interference.
4.5.4 CAN and 485 communication configuration
There are 4 cables for communication in the hoistway and the trailing cable. The calling
communication is 24V+, 24V-, MODH and MODL and the car communication is 24V+, 24V-, CANL
and CANH.
In order to avoid short circuit, measure with multimeter to ensure if circuit is present between the 4
cables and others before power on, especially the power cable of 24V, 36V, 110V, 220V, 380V.
24V power supply is provided to the branch. The diameter is equal to or more than 0.75mm
2
. In
higher floor (higher than 25
th
floor), reduce the voltage drop and ensure the farthest external power
voltage is more than 20V.
Twisted-pair specifications: characteristic impedance 120Ω; allowable range 108~132Ω
Stranding pitch: ≤30mm Diameter: ≥0.75mm
2
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