ABB Soft Starter PSE series installation and wiring

ABB Soft Starter PSE series Receiving, unpacking and inspection

● Check the packaging, the front of the soft starter should be up.

● Check for transportation damage.

● Remove the box.

● Check the appearance of equipment.

● Check whether the equipment order number is consistent with the waybill.

● Check all terms and conditions on shipping documents.

● Check for shipping damage, ABB soft starter and its packaging. If any damage is found, contact the shipping company or supplier immediately.

Note: Please keep the equipment in the box before installation.

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PSE series installation for ABB Soft Starter

Overall, there are three sizes of ABB soft starters in this series. All PSE soft starters can be installed directly from the box without any lifting equipment.

◆ Warning: Please do not use the terminals of the equipment for lifting purposes, because this may cause damage to the soft starter.

◆ Installation requirements: PSE soft starter has three different external dimensions and is installed by M6 and screws of the same size and strength.

◆ Minimum size of packing case: Soft starter is usually installed in the cabinet. The following is the minimum size and space diagram of packing case.

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◆ Warning: the space of the cabinet is too small, which may cause the equipment overheating and work interference.

◆ Minimum distance from wall/front panel: For proper heat dissipation, the soft starter must be installed vertically and ensure adequate ventilation.

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ABB Soft Starter PSE series wiring

Wiring of electrical and communication devices that must be completed before use.

◆ Note: All wiring must be operated by professionals, and it is required to operate in accordance with the installation standards and relevant regulations.

◆ Warning: The dangerous voltage will cause death or serious injury. Please disconnect the power supply of the equipment before proceeding with the operation.

◆ Electrical connection - Precautions for two - phase control

When the motor stops, a voltage appears in the second meeting, but this will not start the motor, and the motor will not generate heat (compared with the internal triangulation). Semiconductor components do not provide complete isolation. The recommended solution is to apply a primary loop contactor to disconnect the circuit.

◆ Note: Due to the two-phase control, one phase always carries the voltage. So touching terminals and other components can result in death and serious injury.

Because of ABB soft starter PSE18... The PSE370 model USES a two-phase control, so only an outside connection is available, as shown in the picture below.

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PSE18... PSE370 does not require in-connection, which would result in serious damage and a high risk, as shown in the diagram below.

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Electrical connection - Connection soft starter PSE18... PSE170

◆ Warning: Connection PSE18... The PSE370 soft starter is connected to the rated control voltage to ensure that the bypass relay is disconnected. Can effectively avoid the equipment during the wiring misstart.

◆ Electrical connection - Connection of the main circuit

The soft starter is recommended to be equipped with a primary contactor, PSE18... The PSE105 soft starter has a cable clip in it. The cable must be cut off before connection, with 20mm of cable exposed, as shown in the picture below.

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For PSE142... The PSE370 soft starter must be equipped with wiring elements for connection to the terminal block.

- Connect the power end of the main loop to terminals 1L1, 3L2 and 5L3.

- Connect the motor end to terminals 2T1, 4T2 and 6T3.

The terminal mark is printed on the front of the soft starter as shown in the figure below (tighten torque and terminal row dimensions).

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◆ Warning: The capacitor used for power factor compensation is not allowed to be connected between the soft starter and the motor because it will generate peak current and may burn out the thyristor in the device. If capacitors are to be used, they should only be connected to the power end of the soft starter.

◆ Electrical connection - Control power supply and control circuit

Please connect three parts when using: main power supply, control power supply and control loop.

● Power supply for control loop (terminals 1 and 2) : Connect the neutral line and phase line to terminals 1 and 2. Please check and make sure the control loop power voltage Us is correct, as shown in the figure below.

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● Functional grounding (Terminal 14) : Please connect the cable to the connection point close to the soft starter. Cables should be as short as possible. A reasonable connection point shall be on the mounting plate of the equipment, which shall also be grounded (as shown in the figure below). Please note that this is only a functional grounding, not a protective grounding. Ground cables should be as short as possible, with a maximum length of 0.5 meters.

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● Start and stop (terminals 8 and 9 and terminal loops 11 or 12) : PSE soft starter has a built-in self-locking circuit, so it does not require any external power supply to start and stop, using an internal control power supply voltage to connect to terminals 11 or 12. To realize the traditional start and stop circuit, a button and an auxiliary relay (as shown in the figure below) can be used.

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◆ Warning: Do not connect external power to terminals 8, 9, 10, 11 and 12. If connected to other voltages, ABB soft starter and shelf life failure may be destroyed.

● Event reset (end 10) : The reset control forms a loop through terminals 10 and 11 or 12 for remote reset of tripping events.

◆ Warning: Do not connect external power to terminals 8, 9, 10, 11 and 12. If connected to other voltages, ABB soft starter and shelf life failure may be destroyed.

● Analog output (terminals 13 and 14) : Analog output can be used for analog meter connection. If analog output is used, the cable should be connected at terminals 13(+) and 14(-). The output signal of analog quantity can change in the range of 4-20mA, corresponding to 0-120% of the set value of Ie parameter of rated current and 17.3mA of 100%.

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● State output relays (terminals 3, 4, 5, 6 and 7) : Operation, full voltage and event relays connected to terminals 3, 4, 5, 6 and 7 can be used as input signals for contactors, programmable controllers, or status indicators. Terminal 3 is the common point for terminals 4, 5, 6, and 7. The running signal is sent through Terminal 4 during starting, running and stopping. Can be used to control the primary loop contactor.

The TOR starting completion signal is sent through Terminal 5 when the full voltage is loaded onto the motor. Event relay terminal 6 is normally closed contact and terminal 7 is normally open contact. Used to indicate the current failure or protection type. Event relays can be used as input signals for status indicators or leds.

◆ Warning: The same external voltage (24VDC or 110-250VAC) must be connected to the output relay terminals 3, 4, 5, 6 and 7. If connected to another voltage, the soft starter may break and the warranty will fail.