Why did the Elevator SIEI Frequency Inverter PG Card TL-EXP-E burn out?

What is the function of SIEI Frequency Inverter PG Card?

The SIEI Frequency Inverter PG Card TL-EXP-E is used to collect the signal and send the signal to encoder, and finally send to the elevator control system, so it is used to calculate the position of car in the hoistway.

OTIS Elevator SIEI Frequency Inverter PG Card TL-EXP-E V5.2 This version of TL-EXP-E V5.2 is compatible with the lower version, such as V2.2, V3.0, V4.0,etc.

OTIS Elevator SIEI Frequency Inverter PG Card TL-EXP-E V5.2
This version of TL-EXP-E V5.2 is compatible with the lower version, such as V2.2, V3.0, V4.0,etc.

Now, the current versions that are commonly used on market have TL-EXP-E V2.2, TL-EXP-E V3.0, TL-EXP-E V4.0, TL-EXP-E V5.0, TL-EXP-E V5.2 etc.

Why did the SIEI Frequency Inverter PG Card burn out easily?

If the AB phase of No.3 and No.4 pins on the SIEI frequency inverter board, which is contacted with DC24 of No.2 pin, then the SIEI frequency inverter PG card will be burned out, or other case, The optical couplers on the motherboard are very close to each other, also the SIEI frequency inverter board will be burned out.

Where can I replace the Elevator SIEI Frequency Inverter PG Card TL-EXP-E?

If the Elevator SIEI Frequency Inverter PG Card is damaged, please contact ElevatorVip, we will offer one-stop solution for each version of them. More about Elevator SIEI Frequency Inverter PG Card, please review here: https://www.elevatorvip.com/product/elevator-spare-parts-extension-board-for-frequency-inverter-siei-eev616al8/

Video of SIEI Frequency Inverter PG Card from ElevatorVip.com: https://www.youtube.com/watch?v=kYawMpa6E30

Posted in Technology and tagged , , , , , , , , , , , , , .